Nantes University Hospital

This study tests whether limiting food intake to an 8-hour window each day (without counting calories) can reduce liver fat in people with obesity and a type of fatty liver disease called MASLD. Seventy-two participants will either follow this eating pattern plus standard advice,…

This study tests a new version of sleeve gastrectomy (a weight loss surgery) that adds a Nissen fundoplication to reduce acid reflux. Researchers will compare 30-day complication rates between the new technique and standard sleeve gastrectomy in 100 adults with obesity. The goal …

This study tests whether a home monitoring program can reduce complications and deaths in infants who had heart surgery. Parents will measure their child's heart rate, oxygen levels, and weight at home and send the data daily via a secure app. The program includes alerts for worr…

This study looks at switching people with wet age-related macular degeneration (AMD) to a higher dose (8 mg) of the drug aflibercept. The goal is to see if it can extend the time between eye injections while still controlling the disease. Researchers will compare injection interv…

This pilot study tests two stem cell treatments for anal fistulas in people with Crohn's disease. One uses donor stem cells (Alofisel), the other uses stem cells from the patient's own fat. The goal is to see which works better at closing the fistula. The study plans to enroll 20…

This study tests a telemonitoring platform called EPOCA for patients who have had colorectal or bariatric surgery. The platform uses connected devices and a care team to monitor patients at home, aiming to allow earlier hospital discharge without increasing readmissions. Research…

This early-phase trial is testing whether adding the drug daratumumab to standard chemotherapy can help adults aged 60 and older with a high-risk form of acute myeloid leukemia (AML). The main goal is to find the safest dose of daratumumab when given alongside chemotherapy. The s…

This study looks at 100 people with wet age-related macular degeneration (AMD) who have been getting regular eye injections with older drugs. They will switch to a newer drug called faricimab. The goal is to see if faricimab can extend the time between injections, meaning fewer t…

This study tests whether taking vitamin D3 supplements for 6 months helps dental implants fuse better with the jawbone in people who are low in vitamin D. Researchers will measure implant stability in 60 adults receiving dental implants at Nantes University Hospital. The goal is …

This study tests a small, portable pump that collects digestive fluids lost through a fistula or stoma and returns them to the lower intestine. The goal is to reduce the need for IV nutrition and help patients manage their condition at home. The trial will enroll 100 adults with …

This study compares two antibiotic approaches for a serious heart valve infection caused by staph bacteria. One group gets a standard treatment that includes the drug rifampin, while the other group gets a treatment without it. The goal is to see if skipping rifampin is just as e…

This study tests whether a new tool called AGORA can safely identify kidney transplant patients who can take a lower dose of the anti-rejection drug tacrolimus. About 300 adults who are one year post-transplant and at low risk for rejection will be randomly assigned to either sta…

This study compares two treatments for severe blood clots in the leg: a procedure that breaks up and removes the clot (pharmacomechanical thrombolysis) plus standard blood thinners, versus blood thinners alone. About 228 adults with recent, very symptomatic clots will take part. …

This study tests whether giving a continuous infusion of concentrated salt water (hypertonic saline) early after severe traumatic brain injury can improve survival and daily living independence at 6 months. About 760 patients with a low Glasgow Coma Scale score and high risk of b…

This early-stage trial tests a new cell therapy called Eight Treg in 9 people receiving a kidney from a living donor. The therapy uses the patient's own immune cells, grown in a lab, to help the body accept the new kidney without strong anti-rejection drugs. The main goal is to c…

This study tests a newer pacing method called left bundle branch area pacing against standard pacing in people who need a pacemaker after a TAVI procedure. About 266 participants will be enrolled to see if the new method reduces heart-related deaths, hospitalizations for heart fa…

This study tests a new radioactive drug called [177Lu]Lu-PentixaTher in people with acute leukemia that has come back or not responded to standard treatments. The drug seeks out and delivers radiation directly to leukemia cells that have a specific marker (CXCR4). The main goals …

This phase 3 trial compares amoxicillin alone to amoxicillin/clavulanate for treating community-acquired pneumonia in adults aged 65 and older who are hospitalized but not in intensive care. The goal is to see if the narrower antibiotic works just as well, which could reduce side…

This study tests a drug called romiplostim to see if it can safely increase platelet counts in people with low platelets before they have heart surgery. Low platelets can make surgery risky, and this treatment aims to reduce the need for blood transfusions. About 136 adults sched…

This study compares two approaches for treating suspected ventilator-associated pneumonia (VAP) in ICU patients who are not severely ill. One group gets antibiotics immediately, while the other waits for lab confirmation. The goal is to see if waiting reduces unnecessary antibiot…

This study tests whether a remote monitoring platform can help patients recover at home after colorectal surgery and avoid being readmitted to the hospital. About 362 adults who had or will have colorectal surgery will be randomly assigned to either 30 days of remote monitoring w…

This study tests whether adding a 16-week cognitive remediation program (brain training using PRESCO® software) to standard ADHD medication (methylphenidate) improves daily functioning in adults with ADHD and at least one addiction. 248 participants will be split into two groups:…

This study tests whether replacing fludarabine with clofarabine in the chemotherapy given before a stem cell transplant can help more adults with acute myeloid leukemia (AML) stay alive longer. About 302 patients whose AML is in remission will be randomly assigned to one of two r…

This early-phase trial tests whether infusing specially designed immune cells can prevent blood cancer from coming back after a stem cell transplant. The cells target a specific protein (HLA-DPB1*04:01) found on many cancer cells and include a 'suicide switch' to turn them off if…

This study tests two different pre-transplant conditioning plans combined with a single drug combination (cyclophosphamide and methotrexate) to prevent graft-versus-host disease (GVHD) in blood cancer patients receiving a stem cell transplant from a matched donor. About 82 adults…

This phase 2 trial tests whether the antifungal drug posaconazole can prevent serious fungal infections in 30 adults with blood cancer who are receiving a stem cell transplant from a donor. These patients are at high risk because of newer transplant methods. The study will check …

This study tests whether a personalized program of nutrition and physical activity, started early in the ICU and continued at home, helps people recover better after being on a breathing machine and heart-support drugs. 830 adults will be randomly assigned to either this program …

This study tests whether the drug belatacept can protect kidney function in heart transplant patients who are at high risk of chronic kidney disease. About 25 adults who had a heart transplant 3 months ago and have declining kidney function will receive belatacept along with redu…

This phase 3 trial is testing three approaches to rapid sequence induction (RSI) in the operating room: propofol alone, ketamine alone, or a combination of both. The goal is to find which option gives the best balance—successful intubation on the first try without causing a dange…

This Phase 3 trial tests whether giving the steroid dexamethasone early after a severe burn can prevent major complications like lung or kidney failure and reduce death. About 478 adults with burns covering at least 20% of their body and on a breathing machine will receive either…

This pilot study is testing a new radioactive tracer called 89Zr-TLX250, which targets a protein (CAIX) found on certain tumor cells. The goal is to see if PET-CT scans using this tracer can detect more tumor lesions in people with liver cancer, bile duct cancer, or neuroendocrin…

This study looks at whether emergency doctors can use a simple bedside ultrasound to rule out a small bowel obstruction in patients with low or moderate risk. If ultrasound works well, many patients could avoid the radiation, cost, and wait time of a CT scan. About 667 adults wit…

This study compares 3D cone beam CT scans to standard dental X-rays in 170 patients hospitalized for infective endocarditis, a serious heart infection. The goal is to see if the 3D scan detects more hidden mouth infections that could cause the heart infection to return. Participa…

This study tests a new brain monitoring method for children under 2 in intensive care. It uses 10 electrodes and special software to detect seizures that are otherwise invisible. The goal is to see if this approach is more accurate than current simpler methods, helping doctors tr…

This study tests whether a new type of PET scan that uses two different tracers at the same time can find and stage liver cancer and pancreatic neuroendocrine tumors better than standard single-tracer scans. Researchers will compare the number and location of tumors seen with the…

This study checks if a simple finger-prick blood test can accurately detect carbon monoxide poisoning, compared to the usual blood draw from a vein or artery. Researchers will enroll 120 adults with suspected poisoning at an emergency department. If the finger-prick test works we…

This study will give heart ultrasounds to 1050 nursing home residents to see if catching heart problems early reduces flare-ups and unplanned hospital stays. Researchers will also check if the scans are practical and affordable for nursing homes. The goal is to improve heart care…

This study tests a special PET/CT scan using a radioactive tracer called PSMA to get clearer images of liver cancer (HCC). Researchers want to see if this dynamic whole-body scan can better detect new or returning tumors compared to standard methods. Forty adults with liver cance…

This study tests a medical device (a perineal probe connected to a mobile app) for women with stress urinary incontinence. Participants use the device at home for 15 minutes, three times a week, plus two sessions with a physiotherapist. The goal is to see if this approach works a…

This study looks at whether a high-dose capsaicin patch (made from chili pepper extract) can relieve long-lasting tailbone pain that hasn't responded to other treatments. Researchers will review medical records from 106 patients treated over six years to see how well the patch wo…

This study looks at whether low-intensity shock wave therapy can help women with vulvodynia, a chronic pain condition of the vulva. Researchers will review medical records from 50 women who already received four sessions of this non-invasive treatment in routine care. They want t…

This study compares two surgical techniques—perforator flap versus skin graft—for repairing the wound left after removing a stage II melanoma. Researchers want to see which method leads to faster wound healing and better quality of life. Forty adults with melanoma on the trunk, a…

This study tests whether a sensory projector called Tovertafel Pixie can reduce anxiety in patients with special needs during dental care. About 100 adults will be observed in a real-life setting at Nantes University Hospital. The projector displays calming images on ceilings or …

This pilot study tests whether a themed, immersive experience can help children aged 3 to 6 complete an MRI scan without needing sedation or anesthesia. The experience includes four modules that simulate the MRI tunnel, noise, equipment, and need to stay still. If successful, it …

This study compares two types of exercise programs done before ACL reconstruction surgery. One program focuses on heavy strength training, while the other uses traditional balance and body-weight exercises. The goal is to see which approach better improves knee muscle strength an…

This study tests whether a high-dose capsaicin patch (made from chili pepper extract) can reduce chronic tailbone pain (coccygodynia) better than a low-dose patch. About 188 adults with pain lasting over 3 months will receive either the 8% patch or a control patch applied once fo…

This study tests whether injecting botulinum toxin (Botox) into the uterine muscle can reduce severe period pain in women who haven't found relief from standard treatments. 222 women will receive either Botox or a placebo injection via a small camera inserted into the uterus. The…

This study tests whether using a bougie—a thin, flexible guide—on the first attempt helps doctors insert a breathing tube more successfully in emergency situations outside the hospital. About 710 adults needing emergency intubation will be randomly assigned to receive either a bo…

This study compares two ways of managing rotator cuff tendinopathy, a common cause of shoulder pain. One group gets monthly check-ups for three months with treatment adjustments as needed, while the other follows standard care. Researchers want to see if the tighter follow-up lea…

This study tests whether eating a diet very low in polyamines (natural compounds found in many foods) for a week before and after major abdominal surgery can lower pain levels. Researchers will compare pain scores and painkiller use in 278 adults who either follow the special die…

This study follows 450 babies born with serious heart defects to find early signs of developmental delays by 6 months of age. Researchers want to understand why over half of these children face learning, thinking, or behavior challenges later in life. The goal is to identify risk…

This study examines whether a person's personality traits before they got sick are linked to the thinking and behavior problems seen in certain brain disorders. Researchers will ask caregivers about the patient's personality from the 10 years before the illness started. The goal …

This pilot study is testing how well children aged 6 to 16 adapt to Essilor Stellest myopia-control spectacle lenses. The goal is to see if kids find them comfortable and easy to wear in real life, which is important for long-term use. Fifty children with progressive myopia will …

This study observes 50 adult organ donors to measure oxygen levels in the blood when the heart stops during a Maastricht III donation procedure. Researchers take blood samples at key moments to understand how low oxygen gets. The goal is to gather knowledge, not to test a treatme…

This study follows 1,000 people with small, unruptured brain aneurysms (3-7 mm) for three years. Researchers will use MRI scans to see if a specific imaging sign—wall enhancement—can predict which aneurysms grow. The goal is to create a safer, personalized monitoring plan so that…

This study looks at whether severe gum disease (periodontitis) is linked to stiffer arteries, which is a sign of heart risk. Researchers will compare 206 adults aged 40-69—half with advanced gum disease and half with healthy gums—using a simple test that measures artery stiffness…

This study follows 50 people with advanced glaucoma for three years, using a special eye scan (OCT angiography) to measure blood flow around the optic nerve. Researchers want to see how these scans compare with standard vision tests in tracking the disease. The goal is to better …

This study looks at joint tissue from people with early osteoarthritis to find different patterns of inflammation. Researchers will take small samples using a needle under local anesthetic, along with blood tests. The goal is to better understand how the disease starts and progre…

This study reviews medical records of over 5,600 people with HIV to see how many might need special dental care due to low immune cells or blood issues. The goal is to help dentists know when to take extra steps and when standard care is safe, reducing stigma. It is an observatio…

This study looks at 100 adults aged 65 and older with fibrosing interstitial lung disease, a condition that scars the lungs and shortens life. Researchers will assess frailty and muscle loss (sarcopenia) using questionnaires and tests to see if these factors predict hospital stay…

This study looks at whether a new ultrasound technique can measure fat inside the muscles of older adults in rehabilitation. Researchers want to see if more muscle fat makes it harder to regain physical function after a hospital stay. The study will involve 115 people aged 75 and…

This study is looking at 135 women with and without endometriosis to understand how hormones, environmental chemicals, and vaginal bacteria differ between the groups. Researchers hope to find patterns that could lead to faster diagnosis and better treatments. Participants give bl…

This study tests whether having a general practitioner and pharmacist work together can help people aged 65 and older safely stop or reduce benzodiazepines (drugs for sleep or anxiety). These medications raise the risk of falls, confusion, and dementia in older adults. The trial …

This study is testing whether a special ultrafast ultrasound can better measure muscle changes in boys and men with Duchenne or Becker muscular dystrophy. Researchers will compare muscle stiffness, fat content, and blood flow in 60 participants (patients and healthy volunteers) o…

This study interviews 30 patients with wet age-related macular degeneration to understand their views on gene therapy. Researchers want to know if the benefits outweigh the risks of this irreversible treatment, and how patients make decisions about complex therapies. The goal is …

This study looks at how consistent and repeatable digital overlay methods are for analyzing bite marks in forensic cases. Researchers will use 3D dental models from 30 adults and have four operators with different experience levels perform the analysis twice. The goal is to see i…

This study looks at the DNA of 650 infants who died suddenly and their parents to find genetic changes that may raise the risk of Sudden Infant Death Syndrome (SIDS). By comparing the genes of the baby and both parents, researchers hope to discover new genetic variants linked to …

This study follows 300 people who had hospital-acquired pneumonia to see how it affects their heart and lungs over 18 months. Researchers will take blood samples, swabs, and perform heart and lung tests to understand the link between pneumonia and later cardiovascular problems li…

This study is building a detailed collection of medical information and biological samples from 105 people with spinal cord injury. Researchers will track how injuries change over time, what complications arise, and how the body responds. The goal is to create a research platform…

This study is creating a large collection of medical data and biological samples from 1,100 people with brain aneurysms. The goal is to find better ways to predict which aneurysms are at risk of rupturing, which could lead to more personalized monitoring and treatment. Participan…

This study is creating a collection of blood and bone marrow samples from 1,000 adults with acute myeloid leukemia, acute lymphoblastic leukemia, or high-risk myelodysplastic syndrome. The samples will be used by researchers to better understand these diseases and find new ways t…

This study looks at whether low-risk pregnant women can safely go home after starting labor induction with a special balloon catheter, instead of staying in the hospital. About 258 women will be randomly assigned to either go home or stay in the hospital. Researchers will compare…

This study explores whether certain immune cells, influenced by gut bacteria, can help prevent the body from rejecting a kidney transplant. Researchers will analyze blood samples from 15 donor-recipient pairs before and after transplant. The goal is to understand how these cells …

This study aims to validate a French version of the Parathyroid Assessment of Symptoms (PAS) questionnaire for people with primary hyperparathyroidism. Researchers will ask 548 patients to fill out the PAS.fr and a standard quality-of-life questionnaire before and after surgery. …

This study looks at whether clindamycin, an antibiotic already used in other surgeries, can be a safe and effective alternative to vancomycin for preventing infections in patients undergoing aortic heart surgery with a heart-lung machine. The trial will enroll 25 adults and measu…

This study aims to understand why some people with chronic lymphocytic leukemia (CLL) respond well to a new class of drugs called BTK degraders, while others do not. Researchers will collect blood, bone marrow, or lymph node samples from 60 patients over 9 years and follow them f…

This study tracks 30 adults with asthma to see if changes in indoor and outdoor air pollution are linked to asthma attacks. Participants will have sensors placed in their homes to measure pollutants like fine particles and chemicals. The goal is to understand which pollutants are…

This study looks at how spinal cord injury changes the gut's nervous system and intestinal barrier. Researchers will take colon biopsies from 40 people with spinal cord injury and compare them to healthy controls. The goal is to understand gut problems after injury and find possi…

This study is looking at 80 people with a genetic heart condition called arrhythmogenic cardiomyopathy, which can cause sudden cardiac death. Researchers will use a special PET-MRI scan to see if there is inflammation in the heart muscle, which is hard to detect with standard tes…

This study is collecting information from 80 adults who have both ADHD and an addiction. Researchers will track their symptoms and daily functioning over 12 months to better understand how these conditions affect each other. The goal is to gather data that could improve future tr…

This study aims to develop an artificial intelligence (AI) algorithm that analyzes skin damage (dermatoheliosis) around a melanoma scar to predict whether a patient will respond to anti-PD-1 immunotherapy. Researchers will collect photos and medical data from 700 adults with adva…

This study looks at 60 adults with acute myeloid leukemia or related blood cancers who are receiving a gentler type of chemotherapy. Researchers will measure certain proteins in the blood to see if they can predict how well the treatment works. The goal is to better understand wh…

This study looks at whether testing wastewater from nursing homes can predict how many residents carry antibiotic-resistant bacteria. Researchers will collect stool or swab samples from 1,600 residents and compare them to bacteria levels in the facility's wastewater. The goal is …

This study looks at infants having heart surgery, where the thymus gland is often fully removed to access the heart. The thymus helps build the immune system early in life. Researchers want to see if removing only part of the thymus keeps the immune system stronger and reduces in…

This study is creating a group of 200 acne patients at Nantes University Hospital to learn more about the disease. Researchers will track factors like acne severity, quality of life, and treatment costs, and collect skin samples. The goal is to better understand what makes acne w…

This study will follow over 1,200 children aged 3 to 11 who were born with critical heart defects and had heart surgery in their first three months. Researchers want to find out how many of these children develop learning, attention, or behavioral problems, and why. They will use…

This study aims to understand why some children develop severe bacterial infections that require intensive care. Researchers will analyze blood samples and medical histories from 1,401 children who were hospitalized for such infections between 2015 and 2018 in France. By comparin…

This study looks at whether bariatric surgery can change a person's biological age—a measure of how well their body is aging. Researchers will track 300 adults with obesity before and one year after surgery, checking blood markers, fat cell health, gut bacteria, and daily rhythms…

This study looks at how to set the breathing machine (jet ventilator) during a procedure that destroys tumors with heat or cold. The goal is to find the best air pressure setting to keep patients breathing well while the doctor works precisely. About 560 adults having tumor ablat…

This study aims to improve how doctors predict the risk of sudden cardiac death or heart failure in people with inherited heart diseases. Researchers will use artificial intelligence to analyze data from 1,000 participants, including medical history, ECGs, imaging, genetic tests,…

This study looks at whether training nursing home staff in oral care can improve the oral health-related quality of life for elderly residents. About 99 residents aged 65 and older will have their oral health assessed before and 6 months after caregivers receive training. The goa…

This study is for people with familial hypercholesterolemia (inherited high cholesterol) who have no heart symptoms yet. Researchers will use a special CT scan to check for hidden blockages in the heart arteries. The goal is to learn which factors are linked to these blockages, s…

This study is collecting blood, saliva, and stool samples from 130 people with multiple sclerosis (MS) and healthy volunteers. Researchers will analyze the genetic activity of immune cells to understand why some patients have a mild form of MS while others become severely disable…

This study aims to better understand walking difficulties in people with multiple sclerosis (MS). Researchers will use a small wearable device to measure each person's unique walking pattern and compare it to MRI scans of their brain and spine. About 100 adults with MS will parti…

This study follows 819 children under 2 years old who have medium to giant congenital nevi (pigmented birthmarks). Researchers will track neurological development, melanoma risk, and quality of life over time. The goal is to create better monitoring and treatment guidelines for t…

This study examines 30 adults with idiopathic nephrotic syndrome, a kidney condition that can lead to kidney failure. Researchers will analyze blood immune cells and bacteria from stool and urine samples to see if changes in gut or urinary bacteria are linked to immune system pro…

This study looks at how people with advanced cancer feel about stopping or reducing medications that may no longer help. Researchers will interview about 25 patients and survey 300 more to understand their attitudes and beliefs. The goal is to learn what factors influence their v…

This study looks at how eating more plants and less animal food during pregnancy might affect the health of mothers and their newborns. Researchers will ask 670 pregnant women about their diets and take blood samples to measure fats. The goal is to see if a plant-based diet is li…

This study tests whether a connected watch can better detect returning atrial fibrillation (an irregular heartbeat) in 106 adults who had heart surgery and developed a temporary irregular rhythm. Participants will wear the watch for 12 months, and doctors will compare how well it…

This study is collecting blood and tumor samples from 730 newly diagnosed lung cancer patients at Nantes University Hospital. Researchers will follow patients from diagnosis until death to understand how treatments work in real life, especially for patients often left out of clin…

This study looks at whether eating oil rich in oleic acid (like some sunflower oils) can improve how fat tissue processes cholesterol in women with obesity. Forty women scheduled for bariatric surgery will take either oleic-rich or regular sunflower oil for 13 weeks. Researchers …

This study follows over 2,700 people seeking help for behavioral addictions (like gambling or gaming) at a French hospital. Researchers will track their progress over time to learn what factors influence recovery and how well patients stick with treatment. No new treatments are t…

This study looks at the connection between gut bacteria, body fat changes, and fear of gaining weight in people with anorexia nervosa. Researchers will collect stool and blood samples from 60 women admitted for refeeding to analyze their gut microbiome. The goal is to find biomar…

This study follows children who were born very early (before 35 weeks) and are now 8 to 14 years old. Researchers want to see if these children have early signs of insulin resistance, which can lead to diabetes later in life. They will measure body fat, blood sugar, kidney functi…

This study involves 70 adults with severe heart valve disease who are already scheduled for a routine heart catheterization. Researchers will use special catheters to measure how well the right side of the heart works with the lungs. The goal is to see if simpler, non-invasive te…

This study follows 403 adults with primary hyperparathyroidism who are having their overactive parathyroid gland removed. Researchers will track heart problems, cholesterol, blood sugar, artery stiffness, and quality of life for up to 5 years after surgery. The goal is to underst…

This study follows 350 adults who had heart or chest surgery and tested positive for COVID-19 around the time of their operation. Researchers will track how well the heart and other organs recover, especially in the first 12 hours after surgery. The goal is to gather real-world d…

This study is following 465 people with hidrosadenitis (a painful skin condition) to identify different forms of the disease. Researchers hope that by understanding these variations, they can develop better, more personalized treatments. No new drugs or procedures are being teste…