Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 627 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06882460Recruiting
Diet and exercise for low blood pressure after meals
This study tests whether specific diet and exercise plans can help prevent blood pressure drops after eating in people with spinal cord injury (SCI). If you have SCI and use a wheelchair, this trial may help you find ways to manage low blood pressure after meals.
Columbus, OhioAges 18–65 - NCT06862375Recruiting
Mayo Clinic diet for weight loss study
This trial tests if following the Mayo Clinic Diet helps adults with overweight or obesity lose weight. You would use the diet book and app and get support from the study team.
Rochester, MinnesotaAges 18–64 - NCT06853288Recruiting
How processed foods affect energy from food
This study looks at how eating ultra-processed foods changes how much energy your body takes from food. If you have a BMI between 30 and 40 and are otherwise healthy, you may help scientists learn more about weight and metabolism.
New York, New YorkAges 25 years+ - NCT06836479Recruiting
Testing cultural meals for Asian Americans with type 2 diabetes
This study tests whether specially prepared meals that match your cultural background can help manage blood sugar levels. You'll wear a small sensor to track your glucose for 30 days and eat tailored meals for one week.
Stanford, CaliforniaAges 18 years+ - NCT06845345Enrolling by invitationPhase 4
Can a special diet or pills help liver health?
This study compares two treatments for liver scarring in people with overweight or related health issues. One group follows a special diet with restricted eating times, while the other takes a combination of two medications (naltrexone and bupropion). It aims to see which approach better improves liver fibrosis.
RotterdamAges 18–75 - NCT06831331Enrolling by invitation
Diet and nutrition for newly diagnosed rheumatoid arthritis
This study tests whether a special diet can help manage symptoms of newly diagnosed rheumatoid arthritis. It aims to see if eating certain foods can reduce inflammation and improve your overall health.
GothenburgAges 18–85 - NCT06705517Recruiting
Mediterranean diet study for Parkinson's disease
This trial tests whether a Mediterranean diet can help people with Parkinson's disease. You would either follow your usual diet or switch to a Mediterranean diet for six months and provide blood and stool samples.
Varese, VareseAges 40–85 - NCT06814626RecruitingPhase 3
Nutrition therapy for muscle loss in cirrhosis with fluid buildup
This trial tests whether a special nutrition plan can help treat muscle loss in people with liver cirrhosis who also have fluid buildup that doesn't improve with standard treatment. It aims to improve strength and outcomes after a procedure to place a shunt in the liver.
PalermoAges 18–80 - NCT06774079RecruitingPhase 4
GLP-1 drug and diet study for Crohn's disease patients
This study tests a drug that helps with weight loss and blood sugar (called a GLP-1 receptor agonist) combined with a special diet to see if it can improve symptoms in people with mild Crohn's disease. You may join if you have Crohn's, a BMI of 27 or higher, and are already on a stable dose of a TNF blocker.
Miami, FloridaAges 18 years+ - NCT05439226Recruiting
Diet plan targeting liver fat for type 2 diabetes
This study tests whether a Chinese medical nutrition therapy diet can reduce liver fat and help manage type 2 diabetes in people who also have fatty liver. You may be asked to follow a specific eating plan and keep your diabetes care stable during the study.
Yichang, HubeiAges 18–75 - NCT06736028Recruiting
Ketogenic diet for weight loss maintenance in obesity
This study tests whether a ketogenic diet helps people with obesity keep weight off by changing how your body burns energy and controls appetite. You will follow a low-carb, high-fat diet and be monitored for several months.
Birmingham, AlabamaAges 18–65 - NCT06696222Recruiting
Fermented vegan diet for health and colitis
This trial tests whether a fermented vegan diet can improve health in people with inflammatory bowel disease (IBD), like ulcerative colitis or Crohn's disease, and in healthy volunteers. It aims to see how the diet affects the gut.
MalmöAges 18 years+ - NCT06698601Recruiting
Wild blueberries for colitis inflammation
This study tests whether eating wild blueberries can help reduce inflammation in people with Crohn's disease or ulcerative colitis. You would eat wild blueberries during your hospital stay and have a colonoscopy to see how your gut is doing.
Bamberg, BavariaAges 18 years+ - NCT05723445Recruiting
Low glycemic diet test for diabetes and body changes in CF
This trial studies whether a low glycemic load (a specific way of choosing carbohydrates) improves blood sugar control and body composition in adults with cystic fibrosis–related diabetes. It may help reduce blood sugar problems and support healthier weight and body measurements.
Boston, MassachusettsAges 18–70 - NCT06630663Recruiting
Wearable device and app for diet and exercise
This trial tests if a wearable device and a smartphone app can help you improve your diet and exercise habits. It is for people who are overweight and have related health conditions like high blood pressure or diabetes.
Taipei, TaipeiAges 20 years+ - NCT06623097Recruiting
Exercise and nutrition for older cancer survivors and their support person
This study tests whether a program of exercise and healthy eating can help older cancer survivors and their support person improve physical and mental health. You and your support person will participate together.
Miami, FloridaAges 18 years+ - NCT06610565Recruiting
Fasting-mimicking diet for breast cancer side effects
This study tests if a special diet that mimics fasting can help reduce side effects from hormone therapy (aromatase inhibitors) in women with breast cancer. The diet is a low-calorie meal plan designed to lower cholesterol and improve well-being.
Milan, ItalyAges 18 years+ - NCT06572345Recruiting
Low energy diet for teens with obesity and type 2 diabetes
This trial tests whether a low-energy diet using meal replacements can help teenagers with type 2 diabetes improve their blood sugar control. It involves a period of following the diet, then weight management, and includes follow-up visits.
NottinghamAges 12–17 - NCT06565104Recruiting
Sleep study for people with high blood pressure
This study tests whether improving sleep can lower blood pressure. It is for people with elevated blood pressure or hypertension who speak English or Spanish.
New York, New YorkAges 20 years+ - NCT06309251Recruiting
Ketogenic diet for children with epilepsy or other conditions
This trial studies how well a ketogenic diet works for children with hard-to-treat epilepsy or certain other diseases. It aims to see if the diet improves quality of life.
Milan, MIAges Up to 18 years - NCT06540703Recruiting
Ketogenic diet and brain health in anorexia recovery
This study tests whether a ketogenic (high-fat, low-carb) diet affects brain function in people who have recovered from anorexia nervosa. It aims to see if this diet could help improve eating disorder symptoms.
San Diego, CaliforniaAges 18–45 - NCT06000774Recruiting
Therapeutic Ketogenic Diet for Anorexia Nervosa
This study tests whether a therapeutic ketogenic diet (a very low-carb, high-fat eating plan) can help people with anorexia nervosa, including those who have recently recovered their weight and those who are still underweight. The diet may help improve brain function and reduce eating disorder symptoms.
San Diego, CaliforniaAges 18–45 - NCT06474546Recruiting
Diet intervention feasibility study for juvenile arthritis
This trial tests whether a special diet can help children and teens with juvenile arthritis. If you join, you will follow the diet and provide stool samples so the researchers can see how it affects your gut and arthritis.
Winnipeg, ManitobaAges 8–18 - NCT06466434Recruiting
Prebiotic diet to boost immunotherapy for melanoma
This trial tests whether a special prebiotic diet can help your body's bacteria (microbiome) better respond to standard immunotherapy for advanced melanoma that cannot be removed by surgery. If you are starting your first immunotherapy, you may be able to join.
Houston, TexasAges 18 years+
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 627 recruiting diet studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a diet trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a diet trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.