Could flickering lights and tones help fight Alzheimer's? major trial underway
NCT ID NCT05637801
First seen Jun 27, 2026 · Last updated Sep 10, 2026 · Updated 2 times
Summary
This study tests a device that delivers specific light and sound patterns to the brain, aiming to slow the progression of mild-to-moderate Alzheimer's disease. About 670 participants will use the device at home for an hour daily over a year, with half receiving a sham (inactive) version. The goal is to see if this sensory stimulation can preserve memory and daily living skills better than placebo.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Spectris™ AD device (sensory stimulation via light and sound)
- What this could lead to
- If it works, this could offer a non-drug, at-home treatment to slow memory and daily function loss in Alzheimer's disease.
- What could go wrong
- This is a pivotal study, but the device is still experimental. It may not show meaningful benefit over sham, and daily use for a year requires commitment.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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673 people
The number who actually took part.
- Started
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Dec 2022
- Finished
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Aug 2026
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 90 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Men and Women age 50-90 * Alzheimer's disease diagnosis with at least 6-month decline in cognitive function * Non-childbearing potential or using adequate birth control * Mini-Mental State Exam (MMSE) 15-28 * Available/consenting Study Partner * Able to identify a Legally Authorized Representative (LAR) * Stable chronic conditions at least 30 days * Formal education of 8 or more years * Adequate vision (Able to detect light) and hearing * Mobility sufficient for compliance with testing procedures (ambulatory or aided-ambulatory, i.e. cane or walker) * Amyloid or phosphorylated Tau positivity Exclusion Criteria: * Seizure disorder * Hospitalization in previous 30 days * Living in continuous care nursing home (assisted living permitted) * Inability to have an MRI or significant abnormality on MRI screening * Geriatric Depression Scale (GDS) \>6 * Suicidality (current or previous 6 months) * Serious neurological diseases affecting the Central Nervous System, including: 1. other primary degenerative dementias (Lewy-body dementia, fronto-temporal dementia, Huntington's disease, Creutzfeldt-Jakob disease, Down syndrome, mixed dementia, etc), 2. neurodegenerative conditions (Parkinson's disease, amyotrophic lateral sclerosis, multiple sclerosis, etc), 3. serious infection of the brain (meningitis/encephalitis), or 4. history of multiple concussions. * Metabolic or systemic diseases affecting the central nervous system (syphilis, B12 or folate deficiency, etc) * Schizophrenia or bipolar disorder * Heart disease, chronic liver, kidney, or respiratory disease, or uncontrolled diabetes or thyroid disease * Cancer history within previous 2 years (except resolved non-melanoma skin or stable prostate) * Nootropic drugs except stable acetylcholinesterase inhibitors * Drug or Alcohol abuse in previous 12 months * Previous exposure to Anti-amyloid-beta vaccines * Past Exposure to Immunomodulators or passive immunotherapies for AD (ie, monoclonal antibodies) * Exposure to BACE (β-Site amyloid precursor protein cleaving enzyme) inhibitors within the 6 months prior to consent * Involved in a previous Cognito study or gamma therapy study * Active treatment with Memantine (Namenda or Namzaric) within previous 30 days * Life expectancy \< 24 months Participants involved in the Fluid Biomarker substudy also must not have contraindications to lumbar puncture. For more information visit: https://www.hopestudyforad.com/
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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ATP Clinical Research, Inc.
Costa Mesa, California, 92626, United States
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Advanced Research Center, Inc
Anaheim, California, 92805, United States
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Alphab Global Research
Jupiter, Florida, 33458, United States
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Alzheimer's Memory Center - AMC Research
Matthews, North Carolina, 28105, United States
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Aqualane Clinical Research
Naples, Florida, 34105, United States
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Arrow Clinical Trials
Daytona Beach, Florida, 32117, United States
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Axiom Clinical Research of Florida
Tampa, Florida, 33609, United States
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Banner Sun Health Research Institute
Sun City, Arizona, 85351, United States
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Barrow Neurological Institute
Phoenix, Arizona, 85013, United States
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Boston Center for Memory
Newton, Massachusetts, 02459, United States
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Boston Clinical Trials, Inc.
Boston, Massachusetts, 02131, United States
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Brain Matters Research
Delray Beach, Florida, 33445, United States
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Brain Matters Research
Stuart, Florida, 34997, United States
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CCT Research - Foothills Research Center
Phoenix, Arizona, 85044, United States
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CCT Research - Gilbert Neurology Partners
Gilbert, Arizona, 85297, United States
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CCT Research - Papillion Research Center
Papillion, Nebraska, 68046, United States
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Center for Cognitive Health - Portland
Portland, Oregon, 97225, United States
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Charter Research - Lady Lake
Lady Lake, Florida, 32792, United States
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Charter Research - Winter Park
Winter Park, Florida, 32792, United States
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Clinical Research Professionals
Chesterfield, Missouri, 63005, United States
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Coastal Family Medicine - Orange Park
Orange Park, Florida, 32073, United States
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Coastal Neurology
Port Royal, South Carolina, 29935, United States
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Conquest Research
Winter Park, Florida, 32789, United States
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Emerald Coast Neurology
Pensacola, Florida, 32504, United States
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Emory Alzheimer's Disease Research Center
Atlanta, Georgia, 30329, United States
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Great Lakes Clinical Trials- Flourish Research- Chicago
Chicago, Illinois, 60640, United States
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Great Lakes Clinical Trials- Flourish Research- Gurnee
Gurnee, Illinois, 60031, United States
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Hattiesburg Clinic
Hattiesburg, Mississippi, 39401, United States
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Insight Clinical Trials, LLC
Beachwood, Ohio, 44122, United States
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Integrative Clinical Trials, LLC
Brooklyn, New York, 11229, United States
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Intercoastal Medical Group - Sarasota
Sarasota, Florida, 34239, United States
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JEM Research Institute
Atlantis, Florida, 33462, United States
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Josephson Wallack Munshower Neurology, PC
Indianapolis, Indiana, 46256, United States
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K2 Medical Research - Orlando
Orlando, Florida, 32806, United States
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Las Vegas Medical Research
Las Vegas, Nevada, 89113, United States
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Mercury Clinical Research
Sugarland, Texas, 77478, United States
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Mid Hudson Medical Research
New Windsor, New York, 12553, United States
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Mile High Research Center
Denver, Colorado, 80218, United States
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Multi-Specialty Research Associates, Inc.
Lake City, Florida, 23055, United States
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Neuro-Behavioral Clinical Research
Canton, Ohio, 44720, United States
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NeuroStudies
Decatur, Georgia, 30033, United States
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Neurological Associates of Albany
Albany, New York, 12208, United States
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Neurology Center of North Orange County
Fullerton, California, 92835, United States
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Neuropsychiatric Research Center of Southwest Florida
Fort Myers, Florida, 33912, United States
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North Texas Clinical Trials
Fort Worth, Texas, 76104, United States
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Northern Light Acadia Hospital
Bangor, Maine, 04402, United States
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Office of Donald S. Marks, M.D., P.C.
Plymouth, Massachusetts, 02360, United States
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Office of Elizabeth Zarate-Rowell, MD
Seal Beach, California, 90740, United States
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Premier Clinical Research Institute Inc.
Miami, Florida, 30033, United States
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Prisma Health Neurology
Columbia, South Carolina, 29203, United States
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Progressive Medical Research
Port Orange, Florida, 32127, United States
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QUEST Research Institute
Farmington, Michigan, 48334, United States
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Quantum Laboratories
Pompano Beach, Florida, 33064, United States
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ReCogniton Health
Fairfax, Virginia, 22031, United States
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Sisu BHR, LLC
Springfield, Massachusetts, 01103, United States
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South Lake Pain Institute
Clermont, Florida, 34711, United States
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Suncoast Neuroscience Associates
St. Petersburg, Florida, 33713, United States
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Syrentis Clinical Research
Santa Ana, California, 92705, United States
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TRS Health
Stafford, Texas, 77477, United States
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The Clinical Trial Center
Jenkintown, Pennsylvania, 19046, United States
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The Cognitive and Research Center of New Jersey
Springfield, New Jersey, 07081, United States
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The Ohio State University Wexner Medical Center
Columbus, Ohio, 43210, United States
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UT Health San Antonio, Glenn Biggs Institute for Alzheimer's and Neurodegenerative Diseases
San Antonio, Texas, 78229, United States
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University of Tennessee Medical Center
Knoxville, Tennessee, 37920, United States
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Velocity Clinical Research - Syracuse
East Syracuse, New York, 13057, United States
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Visionary Investigators Network- Aventura
Aventura, Florida, 33180, United States
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Visionary Investigators Network- Miami
Miami, Florida, 33133, United States
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Wasatch Clinical Research
Salt Lake City, Utah, 84107, United States
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Other studies related to the condition(s) this trial covers.
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- A simple gel meets the Mouth's microscopic zoo
- Can a gentle electric current calm the mind in Alzheimer's?
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- Walking memory tests may reveal early Parkinson's clues