Dementia

This Phase 1 trial tests an experimental vaccine called AV-1980R that targets tau protein, a key player in Alzheimer's disease. The study enrolls 48 cognitively healthy adults aged 65-80 who have biological signs of early Alzheimer's. Researchers will check if the vaccine is safe…

This study tests a drug called LHP588 in 300 people with mild-to-moderate Alzheimer's who also have a gum infection from P. gingivalis bacteria. The drug aims to target that bacteria to slow down memory and thinking decline. Participants take a daily capsule for up to 48 weeks, a…

This study tests an experimental drug called ABBV-1758 in about 210 people with Alzheimer's disease. The drug is given by IV or injection every 4 weeks for 24 weeks. Researchers are checking if it is safe and whether it can reduce amyloid plaques in the brain, a hallmark of Alzhe…

This study tests a new drug called ARO-MAPT-SC in healthy people and those with early Alzheimer's. The goal is to check if it is safe and how the body processes it. Participants receive either the drug or a placebo by injection under the skin. The trial is still in early stages, …

This early-phase trial will test whether a special form of resveratrol (JOTROL) is safe and tolerable for people with Parkinson's disease. About 30 participants will receive either a low dose, high dose, or placebo daily for three months. The study will also measure how the drug …

This study tests whether the insomnia medication lemborexant (Dayvigo) can lower blood markers of brain damage in adults aged 40–65 with insomnia. Twenty participants will take the drug or a placebo for two weeks each, then have their blood tested for proteins linked to Alzheimer…

This study tests whether a combination of two drugs, KarXT and KarX-EC, can improve cognitive impairment in people with mild to moderate Alzheimer's disease. About 586 participants will receive either the drug combo or a placebo. The trial measures changes in thinking, daily func…

Researchers are testing whether a home-use pulsed electromagnetic therapy device can slow cognitive decline in people with mild to moderate Alzheimer's disease, Lewy body dementia, or vascular dementia. About 48 participants will use the device three times a day for 15 minutes ov…

This study tests whether a special probiotic supplement can change fat-related molecules in the blood of people with ALS and frontotemporal dementia (FTD). Researchers will compare those taking the probiotic to those taking a placebo over 24 weeks. The goal is to see if the probi…

This early-stage study tests a new drug called ALN-5288 in 50 adults with mild cognitive impairment or dementia caused by Alzheimer's disease. The drug is given via a spinal injection and aims to safely reduce tau protein levels in the brain. The main goal is to check safety and …

This early-stage trial tests a drug called ALN-APP (mivelsiran) in 60 adults with mild cognitive impairment or mild dementia due to early-onset Alzheimer's disease. The drug is given via a spinal injection to see if it safely lowers certain proteins linked to Alzheimer's in the b…

This phase 2 trial tests whether donanemab, an antibody given by IV, can slow worsening of thinking and daily function in people with early cognitive decline and Lewy body dementia. The study enrolls 350 participants who also have signs of two brain proteins (amyloid and alpha-sy…

This study tests whether drugs that target tau protein, alone or with donanemab, can reduce tau buildup and slow memory decline in people aged 50-80 with early Alzheimer's. Participants will receive treatment for 30 months and undergo brain scans and cognitive tests. The goal is …

This study tests a drug called mivelsiran in 58 adults with Down syndrome who have early-stage Alzheimer's. Participants receive either the drug or a placebo via injection into the spine every few months for two years. The goal is to see if the drug can reduce brain changes linke…

This early-stage trial tests an experimental gene therapy called VY1706 in people with early Alzheimer's disease. The goal is to see if it is safe and tolerable, and whether it can reduce tau protein buildup in the brain, a hallmark of the disease. Participants receive one of thr…

This early-stage trial tests whether adding special cells (DUOC-01) into the spinal fluid is safe for children with inherited metabolic diseases that damage the brain. Participants are ages 1 week to 21 years and are already receiving a standard umbilical cord blood transplant. T…

This trial tests two experimental drugs, donanemab and RG6289, in people who carry a specific genetic mutation that causes an inherited, early-onset form of Alzheimer's disease. The study first gives donanemab to clear amyloid plaques from the brain, then randomly assigns partici…

This 76-week study tests whether mazdutide, a weekly injection already used for diabetes, can slow memory and thinking decline in 420 adults aged 50-75 with type 2 diabetes and early dementia. Half receive the drug, half a placebo. Researchers will measure changes in thinking ski…

This early study tests whether a robot can safely perform microsurgery on deep neck lymph nodes in 15 people with mild-to-moderate Alzheimer's. The idea is that clearing blockages in these lymph nodes might help the brain remove harmful waste. The main goal is to check safety, no…

This trial tests whether a wearable device called RGn600 can slow cognitive decline in people with mild-to-moderate Alzheimer's disease. The device, worn as a helmet and abdominal belt, delivers red-to-near-infrared light and static magnetic fields, aiming to reduce inflammation …

This trial tests whether nicotinamide riboside (NR), a form of vitamin B3, can slow the progression of early Alzheimer's disease. About 270 adults with early-stage Alzheimer's will take NR or a placebo daily for two years. Researchers will measure changes in memory, thinking, and…

This study tests an experimental drug called senicapoc in people with mild Alzheimer's or mild cognitive impairment. The goal is to see if it can reduce brain inflammation and slow down memory loss. About 55 participants will take either the drug or a placebo for 52 weeks, with r…

This early-phase trial tests a gene therapy called AVB-101 for people with frontotemporal dementia caused by GRN gene mutations. The therapy delivers a working copy of the GRN gene directly into the brain during a one-time procedure. The study will enroll 18 adults aged 30-75 to …

This phase 2 trial tests whether an oral drug called SAR448851 can slow the progression of early Alzheimer's disease. It includes people with mild cognitive impairment or mild dementia due to Alzheimer's, who have brain amyloid plaques. Participants receive either the drug or a p…

This Phase 3 trial tests trontinemab, an antibody given by IV, in 800 people with early Alzheimer's (mild cognitive impairment to mild dementia). Half get the drug, half get a placebo, for 72 weeks. The goal is to see if it slows decline in memory, thinking, and daily activities.

This study tests the drug acoramidis in people with transthyretin amyloid cardiomyopathy (ATTR-CM), a condition where abnormal proteins build up in the heart, weakening it. Over 36 months, researchers measure whether acoramidis improves heart function and structure using cardiac …

This Phase 3 trial is testing whether two existing drugs—atomoxetine, typically used for ADHD, and metformin, a diabetes medication—can slow cognitive and functional decline in people with Alzheimer's disease. Around 1,200 participants aged 55 and older with mild to moderate Alzh…

This study tests whether a drug called CORT108297, which blocks a stress hormone, can improve memory and thinking in people with mild cognitive impairment or those at risk for Alzheimer's disease. Participants take the drug or a placebo for two weeks, then complete memory and att…

This study tests whether very low doses of radiation delivered to the whole brain are safe and can help preserve thinking and memory in people with Alzheimer's disease or certain dementias with inflammation. Participants receive an initial course of 10 radiation sessions, followe…

This phase 4 trial tests lecanemab, an antibody treatment for Alzheimer's disease, in 100 people with mild cognitive impairment or mild Alzheimer's dementia. Participants receive lecanemab infusions every two weeks for 18 months. The study also evaluates a new blood test that use…

This study tests whether starting a special exercise program soon after a stroke can protect the brain from memory loss and dementia. Researchers will enroll 120 people who had a stroke in the past 6 months. Participants will do a mix of exercises, and the study will measure chan…

This study is testing whether stem cells taken from a person's own bone marrow and then given back through the veins and nose can improve brain and nerve function. It includes 500 people with various conditions like stroke, Parkinson's, Alzheimer's, and nerve damage. The goal is …

This early-stage trial is testing whether stem cells taken from donated fat tissue are safe when given through an IV to people with mild to moderate Alzheimer's disease. Nine participants will receive increasing doses of the cells and be monitored for side effects over six months…

This study tests whether a daily polyphenol supplement (like berry capsules) can slow cognitive decline in 300 older adults at risk for Alzheimer's. Participants take the supplement or a placebo for 12 months, providing blood, stool, and brain scans. The goal is to see if the sup…

This study tests a drug called NPC-1 (made of two natural compounds) in 40 adults aged 55+ with early Alzheimer's, mild cognitive impairment, or subjective memory concerns. The goal is to see if it safely changes blood markers linked to Alzheimer's brain changes. Participants tak…

This early-stage trial is testing whether a nasal spray containing exosomes from umbilical cord stem cells is safe and might help people with mild to moderate Alzheimer's. The study involves 33 participants and will first test different doses, then compare the best dose to a plac…

This study tests whether a drug called leronlimab is safe for people with mild Alzheimer's or mild cognitive impairment. Twenty volunteers over age 50 will receive weekly injections for 12 weeks. Researchers will use brain scans and blood tests to see if the drug lowers brain inf…

This study tests whether a non-invasive brain stimulation technique called repetitive transcranial magnetic stimulation (rTMS) can slow cognitive decline in people with early Alzheimer's disease. The treatment targets a key brain region affected by Alzheimer's. Fifty-five partici…

This early-stage study tests whether it is safe to combine a drug called etanercept with repeated ultrasound sessions to temporarily open the blood-brain barrier in people with mild Alzheimer's disease. The goal is to let more of the drug reach the brain to reduce inflammation. O…

This Phase 2 trial tests whether ambroxol, a common cough medicine ingredient, can slow cognitive decline and improve symptoms in people with early dementia with Lewy bodies. 180 participants will receive either ambroxol or a placebo for 18 months. The study measures changes in t…

This Phase 2 trial tests whether fasudil, a drug already used in Japan and China for brain blood vessel spasms, can improve memory and brain function in people with early Alzheimer's disease. Two hundred participants will receive either fasudil or a placebo for 12 months, with re…

This study tests whether 6 months of supervised aerobic exercise can improve fitness, brain health, and memory in adults aged 65 and older with mild cognitive impairment or early Alzheimer's disease. Participants will exercise, undergo memory tests, and have MRI scans over a year…

This phase 2 trial is testing whether sargramostim, a drug already approved to stimulate bone marrow, is safe and effective for people with mild-to-moderate Alzheimer's disease. Over 6 months, 42 participants will receive either the drug or a placebo. The study will monitor side …

This study tests whether a clinical pharmacist calling a patient's general practitioner 90 days after hospital discharge can reduce readmissions and emergency visits. It includes 800 patients aged 65 and older who take at least seven medications. The goal is to improve communicat…

This study is testing a new version of a gut antibiotic called rifaximin in 20 people with mild-to-moderate Alzheimer's or vascular dementia. The goal is to see if changing the bacteria in the gut can improve brain function and reduce inflammation. Participants will take the drug…

This Phase II trial tests whether siponimod, a drug already approved for multiple sclerosis, can safely slow brain atrophy in people with mild Alzheimer's disease. Over 18 months, 105 participants will receive either the drug or a placebo. Researchers will measure brain volume ch…

This study is testing whether providing free glasses to older adults in India who need them can slow down age-related cognitive decline. Over 800 people aged 60 and older with uncorrected vision problems will be randomly assigned to receive glasses or not. Researchers will track …

This study tests whether a combination of four natural substances (CMA2) can improve brain function in people with Alzheimer's disease. About 845 adults aged 50 and older will take either the supplement or a placebo twice daily for 26 weeks. Researchers will measure changes in me…

This early-stage trial tests a drug called NIO752, given via spinal injection, to see if it can reduce production of tau protein in the brain. Tau buildup is linked to Alzheimer's damage. Ten people with mild to moderate Alzheimer's will receive either NIO752 or a placebo, and re…

This Phase 2 trial tests bumetanide, a diuretic used for decades, in 40 people with early Alzheimer's. Researchers want to see if it is safe and might help slow cognitive decline. The study is double-blind and placebo-controlled, meaning neither patients nor doctors know who gets…

This early study tests a surgical procedure that reroutes lymphatic vessels in the neck to help the brain drain waste proteins linked to Alzheimer's. Ten people with mild-to-moderate Alzheimer's will undergo the operation and be followed for two years. The main goals are to check…

This study tracks 50 children and adults with non-malignant disorders like immune deficiencies and anemias who receive a stem cell transplant after a reduced-intensity chemotherapy regimen. The goal is to see if this approach improves survival and reduces severe graft-versus-host…

This study tests a neck surgery (lymphaticovenous anastomosis) to improve drainage of fluid from the brain in people with Alzheimer's disease. About 114 participants will either receive surgery plus standard medication or medication alone. Researchers will track changes in memory…

This study compares a new approach to managing infections in nursing home residents with dementia against usual care. The goal is to see if the new method reduces antibiotic use and avoids stressful procedures like hospital transfers. About 750 residents aged 60 and older with de…

This study is testing whether taking B-vitamins and omega-3 fatty acids together can slow brain aging in older adults. Researchers will measure a blood marker of brain shrinkage in 96 people over 65 with low vitamin levels. The goal is to see if this simple nutritional supplement…

This study is testing a less intense chemotherapy and radiation regimen before a stem cell transplant for children and young adults up to age 55 with non-cancerous blood disorders like immune deficiencies, anemias, and metabolic diseases. The goal is to see if this gentler prepar…

This Phase 3 trial tests whether fampridine can improve movement and vision in people with spinocerebellar ataxia SCA27B, a rare genetic condition that affects balance and coordination. About 70 adults will take either fampridine or a placebo twice daily for 12 weeks. The main go…

This Phase 2 trial tests whether sildenafil citrate (the drug in Viagra) can improve blood vessel function in the brain of people who had a traumatic brain injury (TBI) at least 6 months ago. Researchers will give different doses (20, 40, or 80 mg) or a placebo to 160 adults aged…

This study tests whether common stroke-preventing medications—aspirin, clopidogrel, and statins—can reduce the risk of future stroke, heart attack, and dementia in people who have small, symptomless areas of brain damage called covert brain infarcts (CBIs). These are often found …

This study tests whether a supplement called tributyrin can improve memory, thinking, and walking in people with Parkinson's disease who also have cognitive problems. 45 participants will take either tributyrin or a placebo three times daily for about 90 days. Researchers will me…

Researchers are studying whether a combination of blood tests, retinal imaging, and brain scans can improve the detection and staging of Alzheimer's disease in Chinese adults. The study enrolls 300 people, including those with probable Alzheimer's dementia and those without. Part…

This study is testing a smartphone app that records and analyzes speech to help diagnose and monitor neurodegenerative conditions like dementia, Parkinson's disease, multiple sclerosis, and motor neuron disease. Researchers will compare speech patterns from 150 people with these …

Researchers at Yale University are testing a PET imaging tracer called [18F]3F4AP to see whether it can measure demyelination, the loss of the protective myelin sheath around nerve fibers. The study includes healthy volunteers and people with conditions such as multiple sclerosis…

This study tests whether a radioactive tracer called 18F-S16/T807 can help diagnose tau-related brain diseases. Tau is a protein that builds up abnormally in conditions like Alzheimer's and other neurodegenerative disorders. Researchers will give 500 adults a single injection of …

This trial tests whether PET/CT scans using special radioactive tracers can detect amyloid protein buildup in various diseases, including cardiac amyloidosis. Researchers will give each participant a single injection of one of several tracers, then perform imaging to measure how …

This study tests a new radioactive tracer called [18F]NIDF that binds to tau tangles in the brain, which are linked to Alzheimer's and other neurodegenerative diseases. Researchers will give the tracer to 20 healthy volunteers and patients, then use PET scans to see how well it h…

This study tests whether a special imaging agent called 18F-FPyCO/SMBT-1 can help diagnose Parkinson's disease and related conditions by detecting a brain enzyme called MAO-B. About 200 adults with suspected or confirmed Parkinson's will receive a single injection of the agent an…

This study tests whether PET/CT scans using two radioactive tracers, 18F-92/AV45 and 11C-PIB, can detect beta amyloid buildup in the brain. Researchers will enroll 500 adults with suspected or known neurodegenerative diseases linked to amyloid. Each participant receives one injec…

This study is testing a new imaging agent called [18F]FT8 to see if it can help doctors better see and diagnose amyloidosis, a disease where abnormal proteins build up in organs like the heart. The study will involve 20 patients with amyloidosis and 5 healthy volunteers. Research…

This study tests a single injection of AMDX-2011P, a dye that may stick to Alzheimer's-related plaques in the retina. Researchers want to see if it is safe and can detect these plaques using eye imaging. 25 adults with confirmed Alzheimer's will participate. If successful, this c…

This trial asks whether a home sleep apnea test can be a better first step than an overnight lab study for diagnosing obstructive sleep apnea in people with dementia or mild cognitive impairment. Sleep apnea is common in these conditions and can worsen thinking problems, but many…

This study looks at whether simple eye-tracking tests and brain scans can detect very early signs of Alzheimer's disease in 100 healthy older adults. Half of the participants carry a genetic risk factor (APOE4). The goal is to find biomarkers that could lead to earlier diagnosis,…

This study looks at whether measuring certain proteins in the blood (p-tau217 and neurofilament light) can help doctors diagnose Alzheimer's disease more quickly and confidently in people with memory problems. About 550 participants visiting a memory clinic will have their blood …

This study tests a new radioactive tracer called 18F-mFBG to see if it can detect nerve damage in the heart caused by Lewy body diseases like Parkinson's and Lewy body dementia. About 20 adults will get a PET scan after an injection of the tracer. The goal is to see if the scan c…

This study tests whether a computer algorithm can reduce the amount of radiation or time needed for a special brain scan (amyloid PET) used to diagnose Alzheimer's disease. Researchers will compare standard scans with simulated lower-dose scans processed by the algorithm. If it w…

This study is testing whether a blood test that measures specific proteins (pTau217) can help primary care doctors diagnose Alzheimer's disease in people with memory concerns. Researchers will compare the test's accuracy against standard evaluations and track how it changes docto…

This study explores whether a simple test of naming and identifying famous landmarks can tell apart healthy older adults from those with Alzheimer's disease. Researchers will compare the performance of 220 participants (half with Alzheimer's, half without) on this monument-based …

This study is testing whether blood tests can help screen for Alzheimer's disease in older adults during routine check-ups. Researchers will enroll 3,000 people aged 60-80 from communities and clinics. Participants will give blood samples, and those with abnormal results will tak…

This study is testing a new, non-invasive way to detect Alzheimer's disease by looking for specific proteins (amyloid and tau) in stool samples. The goal is to see if these proteins can serve as early warning signs, potentially allowing for earlier diagnosis and treatment. Resear…

This study is testing whether new blood tests can accurately diagnose the cause of memory loss or dementia, potentially replacing the need for a spinal tap. Researchers will compare blood test results with standard spinal fluid tests in 1,200 people at a memory clinic. If success…

This study aims to make it easier for family doctors to detect early signs of Alzheimer's and other dementias. Researchers will test 1,200 adults with memory or thinking problems using blood tests and brain scans. The goal is to see if these tools can accurately identify who has …

This study is testing whether a simple voice recording can help detect Alzheimer's disease early. Researchers will analyze speech patterns from 100 volunteers aged 50 and older and compare them to standard Alzheimer's biomarkers. If successful, this could replace painful lumbar p…

This study is testing a new serious game called REALSoCog to see if it can detect social behavior problems in people with Alzheimer's, Lewy body dementia, or frontotemporal degeneration. Researchers will ask 120 patients to play the game on a laptop, which presents 16 social situ…

This study aims to improve early detection of Alzheimer's disease in people aged 60 and older. Researchers will equip general practitioners and specialists with digital cognitive tests and blood-based biomarkers to identify those with early cognitive decline. The goal is to creat…

This study is testing a new, smaller and mobile PET scanner called the Radialis PET Imager (RPI) to see if it can produce brain images as good as standard PET scanners for detecting amyloid plaques—a hallmark of Alzheimer's disease. Researchers will enroll 160 adults with cogniti…

This study is testing a digital platform that uses EEG, eye-tracking, and blood flow sensors to detect early signs of Alzheimer's in people with mild cognitive impairment. Researchers will follow 100 participants aged 55–80 for 12 months to find markers that predict progression t…

This study is testing whether a blood test measuring a protein called p-Tau217 can diagnose Alzheimer's disease as accurately as the current method, which requires a spinal tap. Researchers will compare results from blood and spinal fluid samples from 40 adults with suspected Alz…

This pilot study is testing a new MRI technique called brainQuant to see if it can find early signs of brain damage in professional soccer players. Repeated headers may cause tiny brain injuries that lead to chronic traumatic encephalopathy (CTE). The study will scan 80 male socc…

This study looks at whether a newer type of brain scan (Tau-PET) helps doctors diagnose Alzheimer's disease more accurately than the standard scan (Amyloid-PET). About 120 adults aged 50-85 with mild memory or thinking problems will get both scans. Researchers will track how ofte…

This study aims to find out if proteins and fats in tears can be used to diagnose Alzheimer's disease. Researchers will collect tear samples from 90 participants (people with Alzheimer's and healthy volunteers) and compare the levels of certain biomarkers. If successful, this cou…

This study tests a brain health service designed to assess and reduce dementia risk in people aged 55 to 85 who have subjective cognitive decline (memory concerns without objective impairment). Participants are randomly assigned to either a personalized 6-month program—combining …

This pilot study will test whether teaching people aged 50 to 75 how to cook healthy meals can reduce their risk of type 2 diabetes and dementia. Forty participants at higher risk will either attend weekly cooking classes with at-home practice or receive nutrition handouts. The s…

This study tests whether the experimental drug trontinemab can prevent or delay memory loss and dementia in people who have early biological signs of Alzheimer's but no cognitive symptoms. Participants receive either trontinemab or a placebo intravenously for several years. The g…

This study compares two approaches to prevent delirium in older adults during a hospital stay. One is standard hospital care (HELP), and the other adds daily support from family members (FAM-HELP). Researchers will track 1,900 patients aged 70 and older to see if family involveme…

This large study is testing whether taking atorvastatin (a statin) can help healthy adults aged 75 and older avoid dementia, disability, and death. Participants are randomly assigned to take either the drug or a placebo for several years. The goal is to see if this simple pill ca…

This trial tests whether taking golden oyster mushroom powder every day for two years can help preserve memory and thinking in middle-aged and older adults who are at higher risk for dementia. Around 600 community-living adults aged 45 to 80, who have a family history of dementia…

This study tests whether using hearing aids and related support can help slow memory decline in adults aged 55-75 who have mild to moderate hearing loss and early signs of memory problems. Participants are randomly assigned to receive either a hearing intervention or a health edu…

This study tests a drug called remternetug in people who have a strong genetic risk for Alzheimer's but do not yet have symptoms. The goal is to see if the drug can prevent or slow the buildup of harmful proteins in the brain. About 280 participants will receive either the drug o…

This study tests whether the drug remternetug can prevent or slow the buildup of harmful proteins in the brains of people who have a genetic mutation that almost always causes early-onset Alzheimer's. About 280 participants will receive either the drug or a placebo every 12 weeks…

This study tests whether taking the sleep medication suvorexant (Belsomra) nightly for two years can slow the buildup of amyloid plaques in the brain, a hallmark of Alzheimer's disease. Researchers will enroll 200 healthy adults aged 65 and older with no signs of dementia. The go…

This study tests whether lifestyle changes like diet and exercise can help prevent dementia in adults aged 55 and older. Researchers will track 2,000 participants over three years, measuring memory, thinking skills, and how well people stick to healthy habits. The goal is to find…

This study tests an online educational program called Brain Health PRO in 700 Canadians at risk for dementia. Participants are randomly assigned to start the 6-month program immediately or after a 6-month delay. The program covers lifestyle factors like diet, exercise, sleep, and…

This study explores whether mindfulness training can help prevent cognitive decline in Latino adults aged 65 and older, a group at higher risk for Alzheimer's disease. Researchers will measure brain activity and thinking skills in 60 participants before and after mindfulness prac…

This large study in Denmark is testing whether the shingles vaccine (Shingrix) can do more than prevent shingles—it may also lower the risk of heart attacks, strokes, and dementia. About 162,000 adults aged 65 and older will either get the vaccine or no vaccine, and researchers w…

This study tests a brief problem-solving therapy to prevent suicide in adults aged 50 and older who have suicidal thoughts. The therapy is delivered in three formats: face-to-face, by phone, or via a smartphone app. 212 participants will be randomly assigned to one of these forma…

This study tests a tailored program called REMINDER4Care for adults aged 65 and older living in residential or daycare facilities. The program focuses on social and cognitive activities to reduce dementia risk. Researchers will compare the program's effects on thinking skills, mo…

This study tests whether regular aerobic exercise can prevent or slow memory decline in older adults (ages 50-80) who have memory complaints but no dementia. Participants will be randomly assigned to either an aerobic exercise program or a stretching and toning group for six mont…

This study tests Exercogs®, a digital game that uses augmented reality to combine mental challenges, physical exercise, and social interaction. Researchers will enroll 150 adults aged 55 and older who have at least one risk factor for dementia. Participants will play the game thr…

This study looks at whether losing weight can help prevent or delay Alzheimer's disease in adults with Down syndrome. About 81 participants without dementia will either follow a reduced-calorie diet with monthly coaching or attend general health education sessions. Over 12 months…

This study tests whether increasing physical activity through a motivational smartphone app can slow cognitive decline in people with isolated REM sleep behavior disorder (iRBD), an early sign of Parkinson's disease and related disorders. Researchers will enroll 130 participants …

This study tests if the drug levetiracetam can prevent epileptic seizures in 120 adults over 40 with Down syndrome and Alzheimer's disease. Participants will receive either the drug or a placebo for 96 weeks. The goal is to see if the drug can stop seizures and possibly slow brai…

This study tests whether daridorexant, a sleep medication, can help the brain clear proteins linked to Alzheimer's disease. The trial includes 240 adults without dementia, regardless of sleep issues. Participants take the drug or a placebo nightly for one year, and researchers me…

This study tests two lifestyle programs in 400 older African American and non-Hispanic white adults at risk for dementia and diabetes. One group does aerobic exercise three times a week; the other learns to follow the MIND diet, which emphasizes berries, greens, and whole grains.…

This study tests whether a program of group nutrition classes, physical activities like walking and gardening, and at-home cognitive training can help prevent cognitive decline in older adults at higher risk for dementia. Researchers will enroll 120 people aged 55-85 and track ch…

This study tests whether helping doctors manage high blood pressure more aggressively can prevent cognitive decline and dementia in adults aged 70 and older. Researchers will use a smartphone app and a clinical decision support tool to guide treatment. 4,000 participants will be …

This study explores whether group drumming or music listening can improve pain, stress, and brain function in people with early Alzheimer's, mild dementia, or mild cognitive impairment, as well as their caregivers. Over 8 weeks, 60 participants will attend weekly sessions while r…

This Phase 2 trial will test whether taking a daily probiotic supplement for six months is safe and practical for people with early Alzheimer's or those at risk. Researchers will enroll 40 participants aged 60 and older. The study does not test whether the probiotic improves memo…

Researchers are testing whether transcranial random noise stimulation (tRNS), a non-invasive brain stimulation technique, can improve behavioral and psychological symptoms in people with early Alzheimer's disease. The trial enrolls 40 participants who receive either active tRNS o…

Many people who care for a family member with dementia struggle with sleep. This trial tests an 8-week program that combines a sleep self-help manual, cartoon videos, and weekly telephone coaching. Researchers randomly assign 120 caregivers to either the sleep program or an educa…

Researchers are testing a home-use pulsed electromagnetic therapy device in 40 people with mild to moderate Alzheimer's disease. Participants use the device three times a day for 15 minutes over 120 days. The study measures changes in thinking and memory using standard tests, wit…

This phase 3 trial tests whether a combination of two drugs, KarXT and KarX-EC, can safely reduce agitation in people with Alzheimer's disease. About 352 adults with Alzheimer's-related agitation will receive either the drug combo or a placebo for 14 weeks. The main goal is to se…

This phase 3 trial tests whether a combination of two drugs, KarXT and KarX-EC, can safely reduce agitation in people with Alzheimer's disease. About 352 adults will receive either the drug combo or a placebo for 14 weeks. The main goal is to see if agitation symptoms improve, as…

This study tests a medicated skin patch (dexmedetomidine) to see if it can reduce agitation in people with Alzheimer's dementia. About 150 adults living in care facilities will receive either the patch or a placebo for 96 hours. The goal is to measure changes in agitated behavior…

This study is testing the long-term safety of a combination of two drugs, KarXT and KarX-EC, for treating agitation in people with Alzheimer's disease. It is an open-label extension, meaning everyone knows they are getting the treatment. The study enrolls 600 participants who hav…

Researchers are testing whether a home-based program combining adapted exercise and mindfulness training can improve walking ability and sleep quality in people with rare neurodegenerative diseases such as leukodystrophy, ataxia, and adrenomyeloneuropathy. The study enrolls about…

Care homes face shortages of trained staff, and more than half of residents have some form of dementia. Researchers are testing whether retired volunteers can lead a group music and discussion program called Making Connections Thru Music. The study enrolls 196 people: volunteers …

Researchers are testing a digital app called BRAIN that uses artificial intelligence to personalize cognitive stimulation for people with dementia. The app tailors activities to each person's interests and background, aiming to improve engagement, quality of life, and relationshi…

Researchers are testing nursing care built on the Salutogenesis Model, which aims to strengthen a person's sense of coherence: how understandable, manageable, and meaningful life feels. The study enrolls 73 adults with mild to moderate dementia and assigns them to face-to-face se…

This study tests a drug called N-acetyl-L-leucine for people aged 4 and older with CACNA1A gene disorders, which can cause coordination problems, dizziness, and migraines. About 60 participants will receive either the drug or a placebo, then switch, to see if it improves movement…

This study looks at whether over-the-counter hearing aids can improve communication for older adults with mild cognitive impairment and mild to moderate hearing loss. Fifty participants and their communication partners will be randomly assigned to try hearing aids first or receiv…

This pilot study is testing whether psilocybin, the active ingredient in magic mushrooms, can safely help depression in people with mild cognitive impairment or early Alzheimer's disease. Twenty participants will receive one or two doses under supportive conditions. Researchers w…

This pilot study is testing whether a non-invasive brain stimulation technique called repetitive transcranial magnetic stimulation (rTMS) can safely improve memory in people with mild-to-moderate Alzheimer's disease. The treatment targets the precuneus, a brain region important f…

This study tests whether combining home-based brain stimulation (tDCS) with virtual speech therapy can improve communication in adults with primary progressive aphasia, a language disorder often caused by Alzheimer's disease. Eighty participants will receive either active or plac…

This Phase 3 trial tests whether the drug KarXT can safely reduce psychosis (hallucinations and delusions) in people with Alzheimer's disease. About 500 participants aged 55 to 90 with mild to severe Alzheimer's and moderate to severe psychosis will receive either KarXT or a plac…

This study tests whether a brain-computer interface (BCI) that reads your brain waves while you play a video game can deliver targeted magnetic stimulation to improve focus and thinking. Researchers will enroll 180 adults, including those with mild cognitive impairment, to compar…

This study tests an experimental oral medication (BMS-986368) to reduce agitation in people with Alzheimer's disease. About 120 participants will receive either a low dose, high dose, or placebo. The main goal is to see if the drug safely decreases agitated behaviors, such as pac…

This study tests an experimental drug, ITI-1284, to see if it can safely reduce psychosis symptoms like hallucinations and delusions in people with Alzheimer's disease. About 370 participants will receive either the drug or a placebo, and doctors will track changes in symptom sev…

This study tests whether a non-invasive magnetic brain stimulation technique (rTMS) can improve thinking and memory in people with mild-to-moderate Alzheimer's disease. Researchers will also use brain scans to see if the treatment helps clear waste from the brain. The trial invol…

This study tests the safety and tolerability of the drug Zunveyl in 150 adults aged 50 and older with mild to moderate Alzheimer's disease. Over 12 weeks, researchers will monitor side effects and whether the drug helps reduce neuropsychiatric symptoms like agitation or mood chan…

This study tests a program where specially trained nurses work with families caring for a person with dementia. The nurses help identify and address unmet needs, and a mobile app gives caregivers direct access to experts and memory clinics. The goal is to see if this support help…

This Phase 3 trial is testing whether a combination of two drugs, KarXT and KarX-EC, can improve cognitive impairment in people with mild to moderate Alzheimer's disease. About 586 participants will receive either the drug combo or a placebo. The study measures changes in memory,…

This study tests a program called PATH-Pain in 100 older adults (60+) who have mild cognitive impairment or early Alzheimer's, along with chronic pain and depression. The program teaches problem-solving and uses memory aids like checklists and a tablet app to help manage emotions…

This trial tests whether personalized repetitive transcranial magnetic stimulation (rTMS) can reduce cognitive fluctuations—sudden changes in alertness and attention—in people with dementia with Lewy bodies (DLB). Forty participants will receive both an experimental rTMS conditio…

This study tests two experimental drugs, EXV-802 and EXV-801, to see if they can safely reduce agitation in people with Alzheimer's dementia. About 300 participants aged 55-90 with moderate to severe agitation will receive either the drug or a placebo twice daily for 6 weeks. The…

This study is developing and testing an online platform called LEND that shares personal stories from people with dementia and their carers. The goal is to see if these relatable narratives can boost wellbeing, confidence, and quality of life for both groups. The trial involves i…

This study tests whether a specialized speech therapy that focuses on word meanings can help people with mild-to-moderate semantic aphasia—a condition where brain damage impairs understanding and use of words. Participants first undergo a control period of standard language exerc…

This study tests a tool called HART that helps caregivers of people with Alzheimer's or related dementias find health apps suited to their needs. Fifteen family caregivers will use the tool for four weeks and provide feedback on how easy it is to use and whether it improves their…

This study tests a program that teaches family caregivers how to help their loved ones with mild to moderate dementia manage chronic pain. Researchers will work with 60 people (30 patients and their caregivers) to see if the training improves pain coping and quality of life. The …

This study is testing a new online exercise program made specifically for people with chronic brain injury. Researchers want to see if it helps them be more active and feel more confident about exercising. Sixty adults with chronic brain injury will take part; half will use the n…

This pilot study tests whether listening to music in the evening can help people with Alzheimer's disease or related disorders fall asleep faster and behave more calmly. Researchers will compare music therapy to audiobooks in 48 adults living in secure care units. The goal is to …

This phase 2 trial is testing whether CBD capsules can safely reduce agitation in people with Alzheimer's disease. About 40 participants will receive both CBD and a placebo at different times to compare effects. The study also looks for biological markers that might predict who r…

This study tests whether a very low dose of levetiracetam, a drug used for epilepsy, can reduce abnormal overactivity in a key memory area of the brain. It includes 40 people who have a parent or sibling with Alzheimer's and have memory concerns but still score normally on thinki…

This randomized trial tests whether a structured, personalized music program (MUSIC CARE©) can reduce care refusal during daily hygiene care in nursing home residents with dementia. Care refusal—resisting bathing, dressing, or medication—is common and stressful for both residents…

This study tests whether using a special blend of essential oils at home can improve mood and behavior in people with mild cognitive impairment or early dementia. It also looks at whether this simple, pleasant treatment can reduce stress for their caregivers. Two hundred patients…

This study tests whether 6 months of daily, home-based transcranial direct current stimulation (tDCS) can improve cognitive and motor function in 128 older adults (ages 65-90) with motoric cognitive risk syndrome, a condition that raises dementia risk. Participants use a headset …

This study checks if a treatment called transcranial pulse wave stimulation (TPS) is safe for people with Alzheimer's disease. About 100 adults aged 18 to 85 will receive TPS sessions, and researchers will track any side effects and changes in memory and thinking. The goal is to …

This study tests a program called the Green Activity Program, designed for people aged 45+ with mild memory problems. The program encourages enjoyable nature activities like walking, gardening, or outdoor yoga, with a partner. Researchers want to see if the program is easy to do …

This study investigates whether complex rhythmic movement training, like dancing with new partners, can improve mobility and learning in people with Parkinson's disease or mild cognitive impairment. Researchers will compare how participants with Parkinson's, those with memory pro…

This study tests a care management checklist designed to guide end-of-life care and hospice transitions for people with advanced dementia and their care partners. Researchers will work with a home healthcare agency to see if the checklist is feasible, acceptable, and usable. The …

This study tests whether a safe, non-invasive brain stimulation technique called transcranial magnetic stimulation (TMS) can improve working memory in people with dementia. The stimulation is timed to each person's brain waves, measured by EEG, to help brain regions communicate b…

This study tests whether spermidine, a natural substance found in foods like wheat germ, can improve sleep quality and memory in older adults with mild cognitive impairment (MCI), a condition that raises dementia risk. 76 participants aged 55-70 will take spermidine or a placebo …

This study tests a four-week financial counseling and advocacy program for family caregivers of people with Alzheimer's or related dementias who are in early or middle adulthood. Participants receive financial coaching, self-advocacy support, and referrals, and researchers measur…

This study tests whether a non-invasive brain stimulation technique called HD-tDCS can improve visual and thinking abilities in people with posterior cortical atrophy (PCA), a rare condition often linked to Alzheimer's. Fifty participants will receive either real or sham stimulat…

This study tests whether daridorexant, a sleep medication, can improve sleep in people with mild cognitive impairment or mild-to-moderate Alzheimer's disease who also have insomnia. Sixty-two participants will receive either the drug or a placebo for one month, and their sleep wi…

This study tests whether a virtual reality game can help older adults with mild cognitive disorders improve their inhibitory control—the ability to stop and think before acting. 48 participants will play the game either on a VR headset or a tablet for 20 minutes, twice a week for…

This study tests if shining a special light on the head (transcranial photobiomodulation) can improve memory and thinking in people with mild cognitive impairment. Forty participants will receive either real or fake light sessions for 12 weeks. Researchers will measure brain acti…

This study tests a web-based version of cognitive behavioral therapy for insomnia (CBT-I) in 60 family caregivers of people with dementia. Caregivers will complete four online sessions focused on sleep habits, relaxation, and changing unhelpful thoughts. The goal is to improve sl…

This study tests a non-invasive brain stimulation technique called temporal interference stimulation (TIS) to see if it can improve cognitive function in people with mild cognitive impairment or early Alzheimer's disease. Sixty participants will receive either real TIS or a sham …

This study tests whether combining mental exercises (cognitive stimulation therapy) with physical activities (motor stimulation) can improve thinking and mobility in people with mild-to-moderate dementia. About 421 participants aged 65 and older will attend 14 sessions over 7 wee…

This study tests a new live video program called Resilient Together for Dementia (RT-D) for couples where one partner has early-stage dementia. The program is designed to help both partners manage emotional distress after a recent diagnosis. The study will include 24 couples and …

This study tests a 5-week virtual cognitive training program for people aged 65-85 with mild cognitive impairment (MCI). Participants attend weekly two-hour group sessions online, learning memory strategies, mindfulness, and planning skills. Researchers want to see if the shorter…

This study tests two types of speech therapy for adults with mild-to-moderate primary progressive aphasia, a condition that slowly impairs language. Researchers will compare the therapies in 200 participants to see which better improves communication and reduces caregiver burden.…

This study tests whether restricting eating to a 10-hour daytime window (fasting 14 hours overnight) can reduce sleep problems and cognitive decline in people with mild cognitive impairment or early-to-moderate Alzheimer's disease. Sixty older adults will try the diet for 3 or 6 …

This study tests whether an app called Genus, which provides videos, exercises, and quizzes, can help people with knee osteoarthritis learn more about their condition and feel more confident in treatment decisions. About 204 adults over 50 who are waiting for a specialist appoint…

This study tests whether IGC-AD1, a THC-based oral medication, can safely reduce agitation in people with mild to severe Alzheimer's dementia. About 164 participants will receive either the drug or a placebo twice daily for several weeks. Researchers will measure changes in agita…

This study tests a type of talk therapy called acceptance and commitment therapy (ACT) for people with mild dementia and their care partners. The goal is to see if it helps reduce depression, anxiety, and grief. About 100 pairs will take part, either in person or online.

This study explores whether intensive singing lessons can improve thinking, memory, and mood in people with early-stage Alzheimer's. Over 5 months, participants will take twice-weekly singing lessons with a personal teacher, then switch to once-a-month sessions. Researchers will …

This study tests whether using robots at home can reduce apathy—loss of motivation and interest—in people with mild cognitive impairment or dementia. About 75 adults over 40 with apathy will be randomly assigned to interact with a telepresence robot, a social robot, or receive st…

This study tests a new kind of talk therapy called Smart Virtual Reminiscence (SVR) for older adults with mild cognitive impairment or early dementia. The therapy uses artificial intelligence to guide conversations about past memories, aiming to reduce troubling symptoms like agi…

This study tests whether adding tablet-based cognitive exercises to standard non-drug care (like better sleep and mobility) can reduce delirium in older adults. Sixty people aged 60+ in a subacute care unit will receive either standard care alone or standard care plus twice-daily…

This study tests a web-based program called NiteCAPP designed to improve sleep in people caring for a loved one with dementia, especially those living in rural areas. One hundred caregiver-patient pairs will use the program for 4 weekly sessions plus follow-up boosters. Researche…

This study tests whether exercising to beat-accented music helps older adults (65+) with memory concerns stay active and improve thinking skills. Eighty participants will be randomly assigned to a 6-month exercise program with or without special music. The goal is to see if music…

This study tests whether a 14-session cognitive stimulation therapy group can improve thinking skills, mood, and quality of life for older adults (60+) with dementia or mild cognitive impairment living in residential homes. About 110 participants will be randomly assigned to eith…

This study tests whether a non-invasive brain stimulation technique called tDCS, combined with cognitive training, can improve thinking skills and mood in people with mild cognitive impairment or early dementia. Fifty participants will receive both real and placebo stimulation in…

This study tests a personalized, virtual speech therapy program for people with primary progressive aphasia (a type of dementia that affects language) and their communication partners. The goal is to see if the program improves communication and quality of life. About 30 particip…

This study tests a device that combines magnetic brain stimulation with cognitive exercises to see if it can improve thinking and memory in people with mild Alzheimer's disease. About 180 participants aged 60-85 will receive either real or sham stimulation along with real cogniti…

This early-stage study is testing whether a fecal microbiota transplant (FMT) is safe and feasible for people with mild-to-moderate Alzheimer's disease. Ten participants will receive the transplant via colonoscopy, and researchers will monitor side effects, recruitment rates, and…

This study tests whether two types of non-invasive brain stimulation—TMS and tDCS—can slow language decline in people with primary progressive aphasia, a condition that gradually impairs speech and understanding. Over 6 months, 80 participants will receive either real or sham sti…

This study tests whether taking caffeine for 30 weeks can slow down memory and thinking problems in people with early-to-moderate Alzheimer's disease. About 248 adults aged 50 and older will receive either caffeine pills or a placebo (dummy pill) to see if caffeine helps keep the…

This study tests whether exercising before a mild brain stimulation session can improve memory in people with mild cognitive impairment linked to heart or blood vessel problems. 64 adults aged 50 and older will be randomly assigned to receive either real or sham brain stimulation…

This small pilot study tests whether repetitive transcranial magnetic stimulation (rTMS), a non-invasive brain stimulation technique, can reduce apathy in people with dementia or mild cognitive impairment. Ten participants will receive rTMS, some also taking the medication methyl…

This study tests a 16-week partner exercise program called BUDPA for people with mild dementia and their family caregivers. The program involves group workouts and at-home practice, aiming to improve thinking, mood, and the relationship between the pair. Researchers will track 23…

This study tests whether a virtual reality (VR) app used at home with remote therapist guidance can improve memory, attention, and social skills in people with early memory decline (Subjective Cognitive Decline and Mild Cognitive Impairment). 480 adults aged 40-80 will either use…

This pilot study tests a personalized music therapy program to prevent delirium (sudden confusion) in hospitalized people with neurodegenerative diseases like Alzheimer's or Parkinson's. Thirty participants will receive up to five live music sessions tailored to their preferences…

This study tests whether a non-invasive brain stimulation technique called tACS can safely improve thinking and memory in people with frontotemporal dementia (FTD). Thirty adults with FTD will receive both real and sham (fake) stimulation in a crossover design, so each person act…

This study tests a program called Connect-Home ADRD that helps nursing home staff and caregivers support dementia patients when they move to home, assisted living, or long-term care. About 360 patients and their caregivers will take part. The goal is to see if the program reduces…

This study tests a workshop series designed for people aged 60 and older with early-stage memory loss who live alone. The program provides education and skills training via Zoom to reduce stress, improve well-being, and help with future planning. Researchers will gather feedback …

This study tests whether a computer-based program can reduce anxiety in older adults with mild cognitive impairment or early Alzheimer's disease, and also help their care partners feel less burdened. About 388 pairs (patient and care partner) will take part. The program involves …

This study tests a 6-week videoconference program that teaches sleep-improving skills to older adults with memory loss or dementia and their care partners. About 80 participants will join either individually or together. The goal is to see if the program is practical, acceptable,…

This study tests personalized speech therapy delivered online for people with primary progressive aphasia (PPA), a condition that slowly destroys language skills. Researchers will enroll 30 adults with mild PPA and tailor exercises to their specific variant. The goal is to see if…

This study compares two approaches for treating newly diagnosed Alzheimer's disease: the drug donepezil versus a non-drug approach using cognitive stimulation or remediation. Researchers will measure changes in thinking and memory over 6 months in 240 participants aged 50 and old…

This study tests whether a 12-week exercise program, done twice a week, can improve physical function, thinking skills, and reduce fall risk in older adults living in nursing homes. The program includes strength, balance, and aerobic exercises. Researchers will compare it to a st…

This study tests a digital cognitive rehabilitation system called RICORDO for people with mild memory complaints, mild cognitive impairment, or early Alzheimer's dementia. About 102 participants will use the digital program or standard paper-and-pencil exercises at home for 5 wee…

This study is developing a short, personalized program called PERI-MIND to help menopausal women who are worried about dementia. The program includes education about menopause and dementia risk, plus practical skills to cope with fear. Researchers will first hold focus groups to …

This study looks at language difficulties in people with Lewy body disease (like Parkinson's or dementia with Lewy bodies) who also have mild cognitive impairment. Researchers will first compare sentence understanding between patients and healthy older adults. Then they will test…

This study tests whether people with mild Alzheimer's disease can learn skills to prevent falls. Researchers will use special training that simulates losing balance in a safe setting. The goal is to see if this training reduces real-life falls and improves stability. The study in…

This study tests a 3-week program for older adults (65+) with or without mild dementia and their care partners. Participants get a Fitbit smartwatch, motivational texts, educational videos, and virtual physical therapy sessions. The goal is to see if this tech-based approach is e…

This study tests whether nabilone, a synthetic cannabinoid, can safely reduce agitation in people with Alzheimer's disease. Agitation is common and distressing, with few good treatment options. About 112 participants will receive either nabilone or a placebo for 8 weeks, and rese…

This study tests whether a safe, non-invasive brain stimulation technique called tACS can improve cognitive abilities in people with Lewy body dementia. Forty participants will receive either real or sham stimulation over two weeks, and their thinking, memory, and daily function …

This study tests whether playing familiar music before bedtime can improve sleep and reduce agitation in people with Alzheimer's disease living in special care units. Researchers will use a wrist monitor to track sleep and behavior in 120 participants. The goal is to find a gentl…

This study tests a program called COTID, where an occupational therapist visits the homes of older adults with dementia who have recently been hospitalized for a fall. The therapist helps make the home safer and trains the caregiver to support the patient. The goal is to see if t…

This study tests a new 3D calendar tool designed to help people with mild to moderate Alzheimer's disease better understand what day, month, or season it is. Twenty participants will use the tool during their hospital stay to see if it improves their time orientation. The goal is…

This study tests whether virtual cycling — pedaling a stationary bike while watching an interactive video — can improve quality of life for older adults with cognitive impairment living in nursing homes. Researchers will compare a group that does virtual cycling with a control gr…

This study tests a new, non-invasive brain stimulation technique that combines magnetic and electrical pulses to target brain networks involved in memory. Researchers will enroll 60 people with mild Alzheimer's to see if this approach can improve thinking and daily function. The …

This pilot study tests whether scrambler therapy, a device that uses mild electrical signals on the skin, can reduce nerve pain in people with corticobasal syndrome (CBS). Twenty-five adults with CBS and moderate-to-severe pain will be randomly assigned to receive either scramble…

This study tests whether a gentle electrical current applied to the brain, guided by a caregiver at home, can improve memory, thinking, and walking in older adults with mild cognitive impairment or mild dementia. 144 participants will receive either real or sham stimulation over …

This phase 3 trial at Xuanwu Hospital in Beijing is testing whether a combination painkiller (oxycodone/acetaminophen) can safely ease chronic pain in 10 people with Alzheimer's disease. Participants will take the medication once daily for 12 weeks, with pain levels and side effe…

This study is testing whether a safe, non-invasive brain stimulation technique called rTMS can help people with frontotemporal dementia (FTLD) or those at risk. 120 participants will receive either real or placebo stimulation for 2 weeks, then all will get real stimulation. Resea…

This study tests whether taking silkworm pupa powder daily for 3 months can improve nutrition, muscle strength, and frailty in people with Alzheimer's disease. Researchers will compare the powder to a placebo in 200 participants aged 50-90. The goal is to see if it helps with wei…

This study tests a mobile app called FoodTraining that trains people to resist food cues. About 113 adults with obesity, bulimia, or binge-eating disorder will use the app for 4 weeks alongside their usual treatment. Researchers will measure changes in emotional eating and uncont…

This study tests a walking meditation program called iWalk for adults with neurodegenerative diseases like multiple sclerosis. The goal is to see if it's feasible and helps improve resilience, stress regulation, and thinking skills. Researchers will enroll 90 participants and mea…

This small study tests whether combining methylphenidate (a drug already used for apathy) with a non-invasive brain stimulation technique called iTBS can reduce apathy in people with Alzheimer's or mixed dementia. The trial will include 12 participants who have significant apathy…

This study tests a text message program called CuidaTEXT for Latino caregivers of relatives with Alzheimer's. About 288 caregivers will receive educational and support texts or no texts. The goal is to see if the texts reduce depressive symptoms and stress over 6 months.

This study tests a safe, non-invasive light therapy device (Neuro RX Gamma) in 60 adults aged 50+ with mild cognitive impairment due to Alzheimer's. The treatment uses near-infrared light to stimulate brain areas linked to memory. Researchers will check if it improves thinking, d…

This study is testing whether giving insulin through a vein every five minutes for two hours, once a week for six months, can improve how the body uses sugar and how well people with Alzheimer's think. Eight adults with mild to moderate Alzheimer's will take part. The goal is to …

This study tests whether a gentle electrical current applied to the scalp (called transcranial electrical stimulation) can improve memory and thinking in people with dementia. Two hundred participants will receive different types of stimulation (tACS or tRNS) while doing memory g…

This study tests whether a virtual reality headset that plays hypnotic stories and images can reduce anxiety and resistance during hygiene care for people with Alzheimer's disease. Researchers will compare the VR approach to standard care in 24 patients living in a long-term care…

This study tests whether a mobile app called Brain CareNotes can reduce stress for unpaid caregivers of people with Alzheimer's or related dementias. The app offers coaching and tips for managing difficult behaviors like agitation or wandering. Over 12 months, 184 caregivers will…

This study tests whether a personal sound amplifier, along with hearing training, can reduce troubling symptoms like agitation and distress in older adults with Alzheimer's or related dementias who also have hearing loss. Researchers will enroll 300 people aged 60-100 and their c…

This study tests a video-based program called STELLA-FTD that helps family members caring for a loved one with frontotemporal dementia (FTD). The program teaches caregivers how to manage difficult behaviors and connect with community resources. Researchers will enroll 640 caregiv…

This study tests whether a technique called high-definition transcranial direct current stimulation (HD-tDCS) can improve word-finding difficulties in people who had a traumatic brain injury at least a year ago. The device delivers a very low electrical current through electrodes…

This study tests an 8-week online program called STELLA-R that teaches dementia caregivers a simple ABC method to understand and respond to upsetting behaviors. About 238 caregivers in Oregon, Washington, and Idaho will try the program and report how it affects their stress and r…

This study tests whether a mobile app called DemensiaKITA can help family caregivers of people with dementia. The app provides education, tips, and self-monitoring tools. Researchers will compare caregivers who use the app with those who get usual support, measuring changes in kn…

This small pilot study tests whether a non-invasive brain stimulation technique called tDCS can reduce psychotic symptoms like hallucinations and agitation in people with Lewy body dementia. Thirty participants will receive either real or sham stimulation over two weeks, and rese…

This study tests a non-invasive device that sends low-energy pulses to the brain, aiming to improve thinking and behavior in people with early Alzheimer's. Forty adults aged 60-90 will receive either real or sham (fake) pulses over several weeks. Researchers will measure changes …

This study compares two antipsychotic drugs, pimavanserin and quetiapine, to see which one better reduces hallucinations and delusions in people with Parkinson's disease or dementia with Lewy bodies. About 94 participants will be randomly assigned to one of the two medications, a…

This study uses a special PET scan to measure tau protein buildup in the brains of people with frontotemporal lobar degeneration (FTLD), atypical Alzheimer's disease, and healthy volunteers. Researchers want to see if this scan can help tell these conditions apart. About 72 adult…

This study uses yearly PET scans to track amyloid protein buildup in the brains of 400 adults aged 55 and older over 5 years. Participants are already part of the Baltimore Longitudinal Study of Aging. The goal is to see how these brain changes relate to memory loss and other thi…

This study tests a new radioactive tracer to see if it can measure brain inflammation in people with Alzheimer's disease or mild cognitive impairment. Researchers will compare scans from 90 volunteers (patients and healthy older adults) to understand how inflammation relates to m…

This study looks at whether donepezil, a common Alzheimer's medication, can improve bone density and reduce fracture risk in older adults with mild to moderate Alzheimer's. Researchers will compare donepezil to another drug, memantine, over 12 months in 45 participants. The goal …

This study is a large-scale screening program to find people who may be eligible for Roche's Alzheimer's drug trials. It involves a simple blood test and a memory assessment. Up to 13,000 participants with memory concerns will be evaluated. No experimental treatment is given in t…

Researchers at the University of South Florida are studying whether the microorganisms in the gut and mouth differ between people with healthy brains and those with memory problems. The study will compare young adults, healthy older adults, people with mild cognitive impairment, …

Researchers are building a large database of cognitive, behavioral, lifestyle, and genetic information from people with neurodegenerative diseases such as Parkinson's disease, multiple system atrophy, and progressive supranuclear palsy. The goal is to find biomarkers that help do…

This study uses special PET scans to measure inflammation in the brains of people with Alzheimer's, Parkinson's, ALS, and other neurodegenerative diseases. Researchers will compare these scans to those from healthy volunteers to see if inflammation levels differ. The goal is to d…

DREAM-10 is a 10-year observational study that follows 1,000 adults aged 30 to 60 who have imaging signs of cerebral small vessel disease but no known dementia. Researchers collect clinical data, memory and thinking tests, brain MRI scans, and detailed eye imaging to track how th…

This study screens 360 adults with neurodegenerative disorders like ALS, frontotemporal dementia, and progressive supranuclear palsy. Researchers will use medical history, physical exams, memory tests, movement analysis, MRI scans, and other tests to find common features and diff…

Researchers are following thousands of people with Alzheimer's disease who receive lecanemab-irmb in routine care to see how often serious brain side effects occur. The study uses a national registry to track brain swelling, small bleeds, seizures, allergic reactions, strokes, an…

This study aims to find the genetic causes of movement disorders and dementias by analyzing DNA from up to 12,000 participants, including patients and their family members. Researchers will collect blood or saliva samples and look for gene mutations linked to these conditions. Th…

This international observational study will follow 50,000 people with Alzheimer's disease or related dementias for many years. Researchers will collect real-world data from routine doctor visits to track how the disease progresses and how treatments are used and tolerated. The go…

Researchers at the University of Miami are studying whether advanced eye imaging devices can reveal useful information about the eye in health and disease. The study has two parts: one observes the eyes of healthy people and people with conditions such as multiple sclerosis, dry …

This study looks at why some people with HIV who have very low virus levels in their blood still develop thinking and memory problems. Researchers will follow 1,150 participants—including healthy volunteers—for up to 10 years, using brain scans, blood tests, and spinal fluid samp…

Researchers want to know why older adults get distracted more easily. They are focusing on a small brain region called the locus coeruleus and its connections to other brain networks. The study will test whether two weeks of at-home tablet attention games can improve focus and st…

This study looks at whether sleep patterns in the two weeks before major orthopedic surgery can help predict delirium (sudden confusion) after the operation. Researchers will ask 150 older adults (70+) to wear a watch that tracks sleep and to give blood samples. The goal is to fi…

This study follows 8,000 adults who have had a stroke to learn why some develop memory and thinking problems afterward. Researchers will track changes in cognition, brain scans, and blood samples over time. The goal is to help doctors identify who is at risk for dementia and pave…

This study aims to see if proteins in the blood can predict who will develop Alzheimer's disease or memory problems. Researchers will follow 1,800 older adults, some with mild forgetfulness or dementia, and track their cognitive health over time. The goal is to develop and valida…

This study tests an online training program called DERA for community health workers. The goal is to see if it improves their knowledge about dementia, reduces stigma, and boosts their confidence in helping people with dementia. About 100 community health workers will take the tr…

This study investigates repetitive behaviors—like repeating words or actions—in people with Alzheimer's disease. Researchers want to understand how common these behaviors are, what types occur, and whether they are linked to memory problems or lack of awareness of the condition. …

This study collects blood or brain tissue from families with two or more members diagnosed with Alzheimer's or dementia. The goal is to build a large DNA bank that researchers can use to find genes linked to the disease. No individual results are returned, but the data may lead t…

This observational study will enroll up to one million adults to understand how health, environment, and lifestyle affect aging and disease. Researchers will link participants' clinical data with information from public records, such as pollution and social factors, to create a d…

This study will follow 1,000,000 adults aged 18 and older for the rest of their lives. Researchers will collect health measurements and track who develops diseases, becomes frail, or dies. The goal is to find which tests best predict how well people age, so doctors can one day of…

This observational study follows 500 people with atypical parkinsonian syndromes, including multiple system atrophy, dementia with Lewy bodies, progressive supranuclear palsy, and corticobasal degeneration. Researchers track motor and non-motor symptoms and imaging changes every …

This study looks at whether damage to the blood-brain barrier right after a stroke can help predict who will have memory or thinking problems later. Researchers will follow 150 stroke survivors for three years, checking their thinking skills by phone. The goal is to better unders…

This study uses a special PET scan with a radioactive tracer called AV-1451 to look at tau protein buildup in the brains of 100 older adults with mild cognitive impairment or Alzheimer's disease. The goal is to see how tau patterns relate to other brain changes and thinking abili…

This early-stage study is testing an experimental drug called LY3439539 in 30 people with mild-to-moderate Alzheimer's disease. The main goal is to see if the drug changes certain proteins in the spinal fluid that are linked to Alzheimer's. Participants will receive the drug thro…

Researchers are studying tiny particles released by brain cells into the blood, called glial extracellular vesicles, to see if they carry signs of inflammation that change as Alzheimer's disease advances. They will follow 48 people across three stages of the disease, from mild fo…

Researchers at Duke and UNC are building a long-term research group of 500 adults to study how memory and thinking change with age. Participants range from healthy younger adults to those with mild cognitive impairment or dementia. Over time, they will provide blood, urine, and s…

This study aims to enroll 50,000 adults aged 45 and older in France to test for a gene called APOE, which is linked to Alzheimer's risk. Participants provide a saliva sample at home and complete online questionnaires. The goal is to build a large registry of genetic and health da…

This study follows 600 people with neurodegenerative diseases such as Parkinson's, Alzheimer's, and related conditions over 1 to 10 years. Researchers collect data from routine clinical exams, brain imaging, movement analysis, and blood tests. They use statistical tools and artif…

This study looks at whether people with mild cognitive impairment or dementia also have problems with their autonomic nervous system, which controls automatic body functions like sweating and pupil response. Researchers will use two non-invasive devices, Sudoscan and automated pu…

Researchers at the University of Pennsylvania are building a large repository of blood, DNA, and family history data from people with age-related brain diseases like Alzheimer's, Parkinson's, and ALS, as well as their family members. The goal is to support studies into the geneti…

This study is looking at 800 veterans to see if mild traumatic brain injury (concussion) increases the risk of dementia later in life. Researchers will test memory, brain waves, brain scans, and proteins in blood and spinal fluid. The goal is to find early warning signs of diseas…

This pilot study explores whether adding a digital health platform called Lōvu to standard prenatal care is practical and well-received by pregnant people. Participants use a Bluetooth scale, blood pressure cuff, and fetal Doppler that send data to their care team, alongside ment…

This observational study will follow 50 children aged 5 to 8 with non-progressive congenital ataxia, a rare condition that affects movement and coordination. Researchers will use detailed exams, brain scans, and genetic testing to better understand the disorder and its impact on …

This study looks at women who carry the gene for X-linked adrenoleukodystrophy (X-ALD), a rare inherited condition that mainly affects the nervous system. Although the disease is linked to the X chromosome, up to 80% of female carriers may develop symptoms like leg weakness and b…

This study explores whether methane gas produced by gut microbes is linked to the progression of Parkinson's disease and related conditions like dementia. Researchers will measure breath methane levels in 200 adults—including those with Parkinson's, those at high risk (REM sleep …

This study investigates why some people with early-onset Alzheimer's disease or a variant called posterior cortical atrophy show different patterns of brain damage. Using advanced PET and MRI scans, researchers will map tau protein deposits and brain network activity to identify …

This study follows a large group of people with Parkinson's disease and related conditions in France to map how the disease unfolds over time. Researchers collect detailed information on symptoms, treatments, and genetic samples at regular visits. The goal is to identify distinct…

This study uses MRI to compare brain structure and cognitive function in retired female professional soccer players who experienced repeated mild head impacts against high-level athletes in non-contact sports. The goal is to see whether years of heading and minor injuries are lin…

This study tests a digital tool called CGM ASSIST that combines a continuous glucose monitor with easy-to-read displays. The goal is to help people with Alzheimer's or dementia and diabetes, along with their caregivers, better understand blood sugar levels and make informed decis…

This study investigates whether anti-AChR antibodies, found in the spinal fluid of people with myasthenia gravis, are associated with cognitive disorders. Researchers will compare antibody levels in stored spinal fluid and a fresh blood sample from adults with myasthenia and cogn…

This study investigates how fluid drains from the brain to lymph nodes in the neck, a connection that may be important for clearing waste linked to Alzheimer's disease. Researchers will inject a fluorescent dye into the meningeal space of recently deceased organ donors and track …

This study aims to create simple screening tools to identify financial hardship in people with Alzheimer's and their caregivers. Researchers will interview patients and caregivers, then survey large groups to develop and test the measures. The goal is to help healthcare providers…

This study is a long-running registry that collects detailed health information from all stroke and dementia patients in Erlangen, Germany. It aims to understand how these diseases develop and affect people over time, regardless of age or severity. Participants are followed for l…

This study uses special PET scans to measure brain synapse density in people with HIV who are on effective treatment. Researchers want to understand why some still develop thinking or memory problems. They will compare 70 participants (with and without HIV) over two years using b…

This study aims to understand brain changes in people with mild cognitive impairment (MCI) and Alzheimer's disease. Researchers will use MRI, EEG, cognitive tests, and blood and stool samples to find differences between healthy individuals and those with cognitive impairment. The…

This study aims to understand why people with Alzheimer's disease differ from each other and from healthy older adults. Researchers will use advanced brain imaging (7T MRI), brain wave recordings (EEG), and blood and stool samples to look for patterns that might reflect different…

This study uses a special PET scan to measure amyloid plaques in the brains of 160 people with Alzheimer's disease. Researchers want to see how these plaques relate to race and heart health risks. Participants are already part of a larger Alzheimer's study at the University of Al…

This study uses a special PET scan to measure a harmful protein called tau in the brains of 160 people with Alzheimer's disease. Researchers want to see how tau buildup relates to a person's thinking abilities, race, and heart health risks. Participants are already part of a larg…

This study looks at older adults hospitalized for heart, lung, or orthopedic issues to see how many also have undiagnosed mild cognitive impairment or dementia. Participants take a memory test at admission, and those with possible problems get a full brain evaluation and a follow…

This study looks at whether successfully treating moderate-to-severe sleep apnea can improve memory and reduce biological markers linked to Alzheimer's disease in older adults. About 200 cognitively healthy people aged 55-85 will either receive immediate sleep apnea treatment or …

This study is testing whether a program delivered remotely (by video or phone) that combines exercise and dementia caregiving support is practical and helpful for older adults with Down syndrome and their caregivers. About 40 participants will take part. The goal is to see if the…

This study explores whether using physical actions, imagined movements, or videos can improve memory in people with early-stage Alzheimer's disease. Researchers will compare recall in 80 older adults (some with Alzheimer's, some healthy) after they watch videos of daily activitie…

This study will test whether a mobile app called MI MOM can improve pregnancy and postpartum health for 500 pregnant women on Medicaid. One group uses the app and gets text messages with health tips, videos, and optional support from a community health worker. The other group rec…

This study follows 5,000 people with mild cognitive impairment or mild-to-moderate dementia living at home in Bavaria, along with their family caregivers. Researchers collect detailed information on health, daily function, care needs, and quality of life over several years. The g…

This observational study asks whether older patients placed under isolation precautions in the hospital are more likely to develop delirium or experience cognitive decline. Researchers will compare isolated patients aged 70 and older with similar non-isolated patients, tracking d…

This study is testing whether a non-invasive eye scan called optical coherence tomography (OCT) can help track neurological diseases like multiple sclerosis, Alzheimer's, Parkinson's, and migraine. Over two years, researchers will measure the thickness of retinal layers in 840 pa…

This study is testing whether proteins in the blood can accurately diagnose Alzheimer's disease and predict how quickly it will progress. Researchers will follow 2,000 adults with memory complaints for five years, collecting annual blood samples. The goal is to find a less invasi…

This study looks at whether people with a rare inherited movement disorder called spinocerebellar ataxia have trouble recognizing emotions or understanding social situations. Researchers will compare 160 patients to healthy volunteers using tests like recognizing facial expressio…

This long-term study follows 700 adults who carry a rare genetic mutation that causes early-onset Alzheimer's. Researchers collect blood, spinal fluid, brain scans, and cognitive tests to find biomarkers that signal the disease before memory loss begins. The goal is to improve ea…

This study uses advanced PET scans and blood tests to examine brain inflammation and white matter damage in people with corticobasal syndrome, a rare movement and thinking disorder. Researchers will compare these brain changes across different subtypes of the condition and agains…

This 7-year study follows 3,400 adults who report no memory problems but may be at risk for Alzheimer's. Researchers will use a blood test measuring P-tau217, a protein linked to Alzheimer's, to see if higher levels predict faster cognitive decline. The goal is to better understa…

This study follows older adults (ages 70-95) who have memory concerns but no dementia, tracking them for up to 5 years to see who develops Alzheimer's. Researchers use brain scans, EEG, eye movement tests, and memory assessments to spot early warning signs. The goal is to better …

This study uses special PET scans to measure brain inflammation and tau protein buildup in people with different forms of Alzheimer's disease, including those with memory, vision, or language problems. Researchers aim to understand how inflammation relates to other brain changes …

This study looks at how differences in the NOTCH2NLC gene affect the symptoms and course of neuronal intranuclear inclusion disease (NIID), a rare inherited brain disorder. Researchers will follow 12 members of one family, including those with NIID, gene carriers without symptoms…

This study tests a new, non-invasive MRI technique to detect early brain changes linked to Alzheimer's disease. Researchers will compare brain scans from 50 people with mild memory concerns to healthy volunteers. The goal is to find a simple, affordable way to identify those at r…

This study looks at early changes in mitochondria (the energy centers of cells) and metabolic markers in blood cells of people with Alzheimer's or related dementias. Researchers will compare these measures between those with and without Alzheimer's to find clues about how the dis…

This study tests a program that uses a patient portal to help older adults with mild cognitive impairment or dementia, along with their care partners, reduce medications that may be harmful. Participants receive educational materials and can meet with a pharmacist to review their…

This study gathers information from the medical records of 1,200 people with ALS and similar conditions. Researchers will use this data to better understand the disease and improve future studies. No experimental treatments are given—the goal is simply to learn from real-world pa…

This study looks at how depression and very early (preclinical) Alzheimer's disease affect driving habits in adults aged 65 and older who still drive regularly. Participants will have their driving tracked with a GPS device and undergo brain scans to measure Alzheimer-related pro…

This study uses a special PET scan to look at tau protein buildup in the brain and see if it relates to memory and thinking problems. Researchers will study 900 adults, some with normal memory and some with mild dementia. The goal is to better understand Alzheimer's disease, not …

This study uses brain scans (PET and MRI) to find early signs of Alzheimer's disease in 650 adults with normal cognition or early-stage symptoms. Participants receive special tracers that highlight amyloid and tau proteins in the brain. The goal is to understand how these biomark…

The CROWN-I study is an observational research project involving 160 people with Alzheimer's disease or mild cognitive impairment. Participants will provide samples and undergo assessments over time to help researchers understand the molecular and genetic features that distinguis…

This observational study is recruiting 600 participants to improve detection and understanding of dementia with Lewy bodies (DLB). Researchers will collect clinical data, brain scans, and spinal fluid samples from people with early symptoms like hallucinations or movement problem…

This study looks at why people with Alzheimer's disease may move more slowly. Researchers will use brain MRI scans and simple reaction time tests in 155 participants with mild cognitive impairment or early dementia. The goal is to link brain lesions to attention-related motor slo…

This study follows 20 people from families with a genetic risk for frontotemporal dementia (FTD), including those already diagnosed and those at risk. Over five years, researchers will track changes in health and brain function to better understand how the disease develops. The g…

This study looks at whether the 'stickiness' or viscosity of the carotid artery wall differs between people with vascular dementia and those with Alzheimer's disease. Researchers will measure artery wall viscosity in 140 older adults using ultrasound and pressure sensors. The goa…

This study is creating a new computer-based cognitive assessment to help detect Alzheimer's disease in its earliest stages. Researchers are working with memory nurses and older adults to design the test and a training course for nurses. 120 older adults with memory concerns will …

This study enrolls adults with Down syndrome ages 25-55 into a ready-to-test group. Researchers will track memory, thinking, and brain changes over time to better understand how Alzheimer's disease develops in this population. The goal is to make future clinical trials faster and…

This study looks at whether special brain cells called tanycytes play a role in Alzheimer's disease and frontotemporal dementia. Researchers will measure hormone levels in blood and spinal fluid from 102 participants to see if these cells help control metabolism and hormone signa…

This study aims to find genes that increase the risk of developing Alzheimer's disease. Researchers are recruiting 10,000 people, including those with Alzheimer's and their family members, from all ethnic backgrounds. By analyzing DNA, they hope to discover new genetic clues that…

This study looks at whether new, quick tests that measure how fast people can move can help doctors diagnose brain diseases like Alzheimer's and predict recovery after a stroke. Researchers will test 129 adults aged 40-85 with stroke or memory problems. The goal is to see if thes…

This study is testing a new memory test called MAI in 60 adults aged 70 and older. Half have memory disorders like Alzheimer's, and half do not. The goal is to see if the test can tell the difference between the two groups and help doctors detect memory problems earlier.

This study uses brain imaging (PET scans) and memory tests to understand why some people with Parkinson's disease develop dementia. Researchers will follow 320 participants over several years, using scans to look for abnormal proteins and track thinking changes. The goal is to id…

This study tests new methods to improve how dementia clinical trials are run. Researchers want to see if a combined score of thinking and daily function can better measure treatment effects. They will also check if blood proteins can predict who responds to the Alzheimer's drug d…

This study is testing whether a non-invasive electrical stimulation technique can improve working memory, attention, and thinking skills in healthy older adults and those with mild cognitive impairment. The stimulation targets deep brain structures without surgery, using special …

This study at Mayo Clinic looks at two different types of Progressive Apraxia of Speech, a condition that makes it hard to speak clearly. Researchers will use brain scans, speech assessments, and thinking tests in 47 adults to better tell these types apart. The goal is to improve…

This study looks at how social and emotional thinking skills relate to everyday behavior in people with Alzheimer's disease and similar conditions. Researchers will give 120 participants tests of social cognition and ask their study partners to complete behavior checklists. They …

This study tests a 4-week training program for assisted living staff (nurses, administrators, and coordinators) to improve palliative care for residents with dementia. The goal is to increase advance care planning discussions and reduce caregiver burnout. About 792 participants f…

This study tests a new AI-powered conversation tool called LUMEN. It helps caregivers describe changes in a loved one's memory and thinking. The goal is to see if the tool is easy to use and can improve the quality of information doctors receive. Sixty caregivers and doctors will…

This study tests whether improving sleep with a special headband and doing mild exercise twice a week can lower biological markers linked to dementia. Thirty adults with mild memory or thinking problems will use the DREEM 2 headband for sleep therapy and follow a guided exercise …

This study is creating a large database of blood tests, digital assessments (like smartphone tasks), and brain scans from 1,200 older adults. Participants may have normal memory, mild memory problems, or mild-to-moderate Alzheimer's. The goal is to see if simple, non-invasive tes…

This study tests whether a special training toolkit helps doctors and nurses have better conversations about future medical care with people living with Alzheimer's or related dementias. The researchers will compare clinics that use the toolkit to those that continue usual care, …

This study looks at how well people with frontotemporal dementia or Alzheimer's disease can recognize emotions in others and how aware they are of their own performance. Researchers will ask 34 participants (ages 50-80) to complete computer tasks and confidence ratings. The goal …

This study looks at slow brain waves during sleep and wakefulness in 90 people: young adults, healthy seniors, and early-stage Alzheimer's patients. Researchers will measure these waves and test memory and attention. They will also play sounds during sleep to see if it boosts mem…

CAPTURE ALS is a long-term study that collects health data and biological samples from 150 people with ALS and related conditions. The goal is to create a shared resource for researchers worldwide to better understand the disease and develop new treatments. No experimental drugs …

This study follows nearly 3,000 people, including healthy adults and those with memory or movement problems, to learn how brain diseases like Alzheimer's and Parkinson's develop. Researchers use advanced brain scans and tests to track changes over time. The goal is to improve ear…

This pilot study tests a smartphone app that collects movement data and patient questionnaires to create a score that predicts satisfaction after knee or hip replacement. Researchers will enroll 1,250 people, including patients before or after surgery and healthy volunteers. The …

This study is testing whether neighborhood pharmacies can help identify older adults with early memory problems and guide them to the right support. Over 1,000 participants aged 60 and older will take a digital memory test at their pharmacy. If the test shows concerns, the pharma…

This study looks at how different exercise intensities affect the brain in people with type 2 diabetes. 75 inactive adults aged 30-75 will do supervised cycling at high or moderate intensity for 6 months, three times a week. Researchers will use brain scans, cognitive tests, and …

This study tests a non-invasive device that uses light and sound at a specific frequency (gamma) to see if it can change brain activity. Researchers will measure effects using brain scans and tests in 150 healthy adults and people with Alzheimer's. The goal is to see if this appr…

This study is tracking 850 adults with normal cognition or early memory problems, some of whom have prediabetes. Researchers will monitor memory, brain scans, and spinal fluid over time to see how blood sugar issues might affect Alzheimer's risk. The goal is to better understand …

This study looks at 100 older adults with normal pressure hydrocephalus (NPH) to find out why some get better after a shunt surgery and others do not. Researchers will use brain scans, blood tests, and wearable monitors to check for nerve damage and signs of dementia. The goal is…

This study is for 244 people with early-stage Alzheimer's disease. Researchers want to find new blood markers that show why some people's brains are more resilient to the disease. Participants will give blood samples and take memory tests over time. No new treatment is being test…

This study tests a communication program called COACH-Cog for older adults with both dementia and cancer. It includes a training video for doctors and a coaching session for patients and their care partners. The goal is to see if this helps everyone work together better when maki…

This study looks at whether people with Alzheimer's disease have lower levels of a natural chemical called NAD in their brains compared to healthy older adults. Researchers will use a special MRI scan to measure NAD in 20 volunteers aged 65 to 80. Participants will have two scans…

This study is following 100,000 people in China over many years to learn more about dementia and memory loss. Researchers will track who develops these conditions, look for risk factors like genes and lifestyle, and find better ways to diagnose and prevent dementia. The goal is t…

This study is following 40,000 people from families with a strong history of Alzheimer's disease in China. Researchers are collecting genetic, brain imaging, and thinking and memory test data to learn how the disease develops over time. The goal is to find early signs of the dise…

This study watches how daily emotional stress impacts memory and thinking in adults aged 60 and older living in Seoul, Korea. Participants use a smartphone app to report their feelings and do quick brain games, wear a smartwatch, and give blood samples. Researchers will check in …

This study follows healthy people who have a family history and genetic risk for ALS. Researchers want to find early warning signs and understand what triggers the disease. Participants do not receive any treatment, but their health is tracked over time. The goal is to learn how …

This study aims to better understand how blood flow and sugar use in the brain are altered in Alzheimer's disease, especially in people who also have type 2 diabetes. Researchers will use advanced PET scans to measure these changes in 60 participants across three groups: people w…

This study follows 1,000 adults in Lombardy, Italy, who have early memory complaints but no dementia. Researchers will use blood tests and annual check-ups over 5 years to see if certain biomarkers can predict who later develops Alzheimer's. The goal is to improve early detection…

This study is testing a new tool called the CHRONOS battery to measure how people with Alzheimer's disease perceive time. Researchers want to see if this quick, 10-minute test can identify specific problems with time perception, like judging durations or remembering when events h…

This study looks at how changes in muscles and the brain are linked in aging and diseases like ALS, Alzheimer's, and Parkinson's. Researchers will compare healthy older adults with those who have these conditions to find early signs of disease. The goal is to better understand ri…

This study looks at how speech changes over time in people at higher risk for Alzheimer's disease. Researchers will have 165 participants complete speech tasks and surveys on an iPad at home for 3 years. The goal is to see if remote speech tracking is a useful and easy way to mon…

This study tests a program called DECLARE that helps caregivers of people with dementia who receive home health care. Caregivers will answer a short assessment and get faster access to a social worker trained in dementia care. Researchers want to see if this improves caregiver co…

This study is looking for new, less invasive ways to diagnose and track Parkinson's disease, Alzheimer's disease, and type 2 diabetes. Researchers will study 500 participants using blood tests, brain scans, and genetic analysis to find early signs of these conditions. The goal is…

This study aims to see if blood markers for Alzheimer's and brain injury can help predict death and hospital readmission in older patients. Researchers will follow 400 hospitalized seniors, including those with neurological issues or dementia. The goal is to develop a tool that u…

This study is a large national registry that will collect health data, questionnaires, and test results from 5,000 people with early dementia or memory problems. No new treatments are given; instead, researchers will track how dementia progresses and how it is currently diagnosed…

This long-term study is tracking 5,000 adults in Hong Kong who either have a brain disease (like stroke or dementia) or are at high risk due to family history or early signs. Researchers will collect medical records and questionnaires every 6 months to find what factors lead to b…

The TRIAD study is testing whether combining biological markers, psychological tests, and social factors can help diagnose Alzheimer's disease earlier and more accurately. Researchers will follow 80 patients with cognitive decline and their caregivers, collecting data through mem…

This study is following 1,200 people from two memory clinics in Paris to see how sleep patterns, daily routines, and other personal factors relate to different types and stages of dementia. Participants will wear an activity tracker, answer questionnaires, and have cognitive test…

This study looks at how the help provided by family caregivers changes as Alzheimer's disease gets worse. Researchers will track 312 people with Alzheimer's and their caregivers to measure the time and cost of informal care. The goal is to understand what factors—like memory loss…

This observational study looks at 300 adults with new-onset cognitive impairment to see how often certain immune system markers (neuronal synaptic antibodies) are present. Researchers aim to develop a scoring system to help diagnose autoimmune dementia more accurately. The study …

This study looks at how cholesterol and its byproducts relate to different types of dementia, including Alzheimer's and frontotemporal dementia. Researchers will measure these substances in brain tissue, spinal fluid, and blood from 80 adults aged 40-85. The goal is to find patte…

This study tests a training program called the Pain Identification and Communication Toolkit (PICT) for family caregivers of people with Alzheimer's disease or related dementias. The program teaches caregivers how to spot signs of pain and talk about it with doctors. Researchers …

This study looks at donated blood samples to see if some contain high levels of a protein called pTau217, which is linked to Alzheimer's disease. Researchers want to know if such blood might be risky for transfusion recipients. They will measure pTau217 in plasma from 250 blood d…

This study is creating a large, diverse group of 1,000 older adults in Tennessee to help researchers better understand Alzheimer's disease. Participants, who may be healthy, have mild memory problems, or have Alzheimer's, will be followed yearly with tests like brain scans and bl…

This study looks at people with cerebral small vessel disease, a common condition in older adults that can lead to stroke and dementia. Researchers will measure brain activity using EEG and test whether home-based cognitive training or mild brain stimulation can improve thinking …

This study looks at how stress hormones and genes linked to Alzheimer's affect memory and thinking in older adults with mild cognitive impairment. Participants undergo a stress test and provide blood and saliva samples, then return after 2 years for follow-up. The goal is to unde…

This study uses special PET scans to look for brain inflammation in people with multiple sclerosis (MS) and Alzheimer's disease. Researchers will compare two radioactive tracers, [F-18]PBR06 and [C-11]PBR28, to see which works better. Up to 250 participants, including healthy vol…

This study looks at why some people's thinking and memory get worse as they get older. Researchers will use brain scans and memory tests in 300 healthy adults aged 60 and older to find early signs of Alzheimer's disease. The goal is to better understand how the brain changes over…

This study looks at how moderate wine consumption changes tiny particles called extracellular vesicles, which help cells communicate. Eight healthy adults aged 35-65 will drink red wine, white wine, or water, and researchers will analyze their blood for changes in these particles…

This study collects information and samples from 1,000 people with or at risk for brain diseases like Alzheimer's, ALS, and frontotemporal degeneration. Researchers will track changes in thinking, language, and brain scans over time. The goal is to build a resource for future stu…

This study follows 1,260 women 3 to 6 years after their first pregnancy to see how pregnancy complications like preeclampsia affect heart health. Researchers will check blood pressure, heart function, and artery health, and also look at lifestyle and environment. The goal is to c…

This study follows 600 volunteers aged 65 and older over several years to track changes in memory, thinking, and biological markers like amyloid proteins. Researchers hope to identify early warning signs of Alzheimer's disease before obvious symptoms appear. The goal is to improv…

This study tests whether a new smartphone app called elleFA can help women with endometriosis track their symptoms and communicate better with their doctors. Twenty pre-menopausal women aged 18 and older will use the app for 6 months, completing monthly surveys and optional daily…

This study follows 1,573 adults aged 50 to 90 across Canada, including people with different types of dementia and those with healthy memory. Researchers will use memory tests, brain scans, and blood samples to track how thinking and memory change over time. The goal is to better…

This study looks at how flexible brain activity is in people with Lewy body disease, a condition that causes thinking and behavior problems and is often hard to diagnose. Researchers will analyze past EEG recordings from 40 adults to see if certain brain patterns are linked to th…

This observational study looks at how gut bacteria relate to brain structure and function in healthy aging and in people with early Alzheimer's, Parkinson's, or multiple sclerosis. Researchers will use brain scans, stool samples, blood tests, and cognitive assessments in 200 part…

This study is testing whether a new, low-cost type of brain scan can find early signs of Alzheimer's and Parkinson's disease. Researchers will compare brain scans from 120 people, including those at risk for Alzheimer's, those with Parkinson's, and healthy volunteers. The goal is…

This study follows 1,000 adults with primary aldosteronism—a condition where the adrenal glands make too much aldosterone—to see how it affects thinking and memory over up to 5 years. Participants will take regular cognitive tests and have medical check-ups. The goal is to learn …

This study follows 600 adults with type 2 diabetes who do not yet have heart failure or dementia. Researchers will track their health over time to find early warning signs of heart failure and cognitive decline. The goal is to develop personalized prevention strategies for those …

This study looks at how dementia and mild cognitive impairment (MCI) affect thinking, daily activities, and mood. Researchers will assess 151 adults aged 50-86 with these conditions to better understand their challenges. The goal is to improve care by tailoring treatments to each…

The Alzheimer's Prevention Registry aims to enroll up to 500,000 people to receive updates on Alzheimer's research and be notified about studies in their area. Participants are not obligated to join any study. The goal is to speed up research by connecting volunteers with opportu…

This study tests whether playing a complex online game (the Breakfast Game) can improve thinking and multitasking skills in healthy adults aged 60-75. Participants will complete 10 one-hour training sessions over a month, plus cognitive tests and a blood exam. The goal is to see …

This observational study looks at whether people with shingles (herpes zoster) have a higher risk of vascular dementia—memory loss from reduced blood flow to the brain. Researchers will analyze tiny particles called exosomes in blood samples from 375 participants over 12 months. …

This study is collecting nerve samples and biofluids from 400 people with ALS or peripheral neuropathies to find biological markers for early diagnosis and disease tracking. By analyzing individual cells, researchers hope to identify molecular changes that happen before symptoms …

This study looks at whether a blood test for a protein called p-tau181 and brain scans can predict which elderly patients with dementia, frailty, and loss of independence will need to visit the emergency room within six months. Researchers will follow 110 participants and track E…

This study explores whether a new system using ultrasound and light sensors can remotely monitor brain blood flow in people who have had a stroke. Researchers will test the technology in 140 participants, including healthy older adults and those with stroke, dementia, depression,…

This study looks at how ovarian hormones might influence aging and Alzheimer's disease in women aged 60 and older. Researchers will use special PET scans to measure brain changes related to Alzheimer's. The goal is to better understand why women are more likely to develop the dis…

This study looks at how natural compounds in fruits and vegetables (called flavonoids) are broken down by gut bacteria and whether those breakdown products help protect the brain. Researchers will give 100 adults aged 50+ at risk for Alzheimer's a special diet and measure changes…

This study aims to find new biological markers for neurodegenerative diseases like Alzheimer's, Parkinson's, and ALS. Researchers will analyze genetic, protein, and metabolic data from 1,200 patients to improve diagnosis, predict disease course, and monitor treatment response. Th…

This study looks at how spinocerebellar ataxia (SCA) affects the eyes and vision. Researchers will examine 60 adults with SCA types 1, 2, 3, or 27B, including those with early symptoms and those who are not yet symptomatic. The goal is to measure vision changes and eye damage usi…

This study is looking for 500 people with early dementia or mild cognitive impairment to help develop a way to predict how their disease will progress. Researchers will use blood tests and other models to better understand each person's outlook. The goal is to give patients and d…

This study tests whether a radio-wave sensor placed in the home can measure sleep, movement, and walking speed in 40 people with mild cognitive impairment or mild Alzheimer's who are taking nicotinamide riboside (a form of vitamin B3). The goal is to find digital biomarkers that …

This study collects medical information and biological samples (like blood or tissue) from up to 12,000 people with leukodystrophies—rare disorders that damage the brain's white matter. Researchers will use this data to find new genetic causes, develop biomarkers for future trial…

This study looks at whether sleep issues are connected to memory loss in people with early Alzheimer's disease. Researchers will track 132 participants over time, measuring their sleep patterns and cognitive function. The goal is to see if treating sleep problems early could help…

This observational study will collect genetic and health information from 50,000 people with serious mental illnesses like bipolar disorder, schizophrenia, major depression, and dementia. Researchers will link this data to electronic health records to find patterns and risk facto…

This study uses powerful MRI scanners to look at the brains and spinal cords of 700 people, including healthy volunteers and those with conditions like multiple sclerosis, Alzheimer's, and Parkinson's. The goal is to understand why some brains stay healthy while others decline. R…

The IONA study is recruiting 10,000 people aged 50 and over living in Scotland to track their memory, thinking, lifestyle, and health over many years. Participants will provide information on risk factors like hearing loss and obesity, and some will give blood or spinal fluid sam…