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
- NCT06809166RecruitingPhase 4
Contrave for weight loss in adults with obesity
This study tests whether a weight loss medication called Contrave can help adults with obesity lose weight by changing how their body uses energy and handles food. If you qualify, you will take Contrave and be monitored for several months.
Ottawa, OntarioAges 18–64 - NCT06811363Enrolling by invitation
Bone's role in urine citrate levels
This study looks at how bones affect the amount of citrate (a natural substance) in urine. It may help doctors understand bone health in people with osteoporosis who haven't been treated yet.
Dallas, TexasAges 18 years+ - NCT06211556Recruiting
Reducing liver fat in type 2 diabetes
This study tests whether reducing liver fat can improve health in people with type 2 diabetes. It looks at the effects of a specific medication combined with exercise, tailored for those who are not very active.
Copenhagen, Capital RegionAges 30–70 - NCT06787235Recruiting
Can a special diet help reduce alcohol intake?
This study tests whether a nutritional program (a modified ketogenic diet) can help people with alcohol use disorder reduce their drinking. It aims to find out if changing what you eat can support your goals around alcohol.
BernAges 18–80 - NCT06756581Enrolling by invitation
Baked dairy trial for children with eosinophilic esophagitis
This trial tests whether children with eosinophilic esophagitis triggered by cow's milk can safely eat baked dairy foods. If you are in remission on a milk-free diet, you may be able to add baked milk products back into your diet.
JerusalemAges Up to 18 years - NCT06745817Enrolling by invitation
Nutrition study for women of childbearing age
This study looks at how well women in their reproductive years get enough nutrients from their diet. It will compare the nutrition of women who eat a regular diet, a vegetarian diet, or a vegan diet.
LjubljanaAges 20–49 - NCT06735599Recruiting
Wild blueberries for blood pressure health
This study tests whether eating wild blueberries can improve your gut, brain, and heart health if you have high blood pressure. You'll eat blueberries daily for several weeks and have checkups to see how your body responds.
Atlanta, GeorgiaAges 45–65 - NCT04547816RecruitingPhase 3
Non-surgical treatment for constipation-related prolapse in women
This study tests whether a non-surgical (“conservative”) approach can improve constipation-related bowel problems in women who have a mild-to-moderate rectal bulge from pelvic organ prolapse. It may help by addressing how the rectum and pelvic floor work during bowel movements.
MoscowAges 18–70 - NCT06338631Recruiting
Early kidney check in people with excess weight
This study looks for early signs of kidney problems in people with excess weight, even if they are otherwise healthy. It aims to understand how weight affects kidneys before any disease develops.
MilanAges 18–60 - NCT06719778Recruiting
Diet and lifestyle changes for Crohn's disease
This study tests whether changing your diet and lifestyle can help repair the lining of your gut if you have Crohn's disease. It focuses on people whose Crohn's causes food-related symptoms or IBS-like symptoms, and involves a special scope procedure to check for food-triggered gut barrier damage.
Bamberg, BavariaAges 18 years+ - NCT06715787Recruiting
Perinatal support program for pregnant people
This trial tests a support program for pregnant individuals who qualify for certain food assistance benefits. It aims to see if the program helps with pregnancy and infant health.
Los Angeles, CaliforniaAges 18 years+ - NCT06714656Recruiting
Making healthy, sustainable food swaps for young adults
This study helps young adults who eat a lot of red meat and want to switch to healthier, more sustainable food choices but aren't sure how. It will look at what makes it easier or harder to make those changes.
AberdeenAges 18–30 - NCT06332560Recruiting
Endometriosis pain and lifestyle
This study looks at how diet and lifestyle changes, including cognitive behavioral therapy (a type of talk therapy), might help reduce pain from endometriosis. You would follow a special diet and attend therapy sessions while researchers track your symptoms.
's-HertogenboschAges 17 years+ - NCT06236932Recruiting
Infection risk in obesity study
This study looks at how obesity and related conditions affect your body's ability to fight infections. It may help find ways to prevent illness in people with obesity.
NaplesAges 18–65 - NCT06682390Recruiting
Race and diet study for men on hormone therapy
This study explores how race affects nutrition for men receiving hormone therapy (ADT) for prostate cancer. It may help researchers understand if different dietary approaches are needed based on race.
Los Angeles, CaliforniaAges 18 years+ - NCT06684470RecruitingEarly Phase 1
Combining a low-FODMAP diet with medication for IBS-D
This trial tests if a special diet (low-FODMAP) combined with a medication (mirtazapine) can improve IBS with diarrhea symptoms. It is for adults who have not tried these treatments before.
Jacksonville, FloridaAges 18–70 - NCT06683105Recruiting
App for IBD patients to manage their own diet
This study tests a mobile app called MYIBDDiet that helps people with inflammatory bowel disease (IBD) manage their own diet. You might be able to join if you have IBD but are not in a flare, not on a special diet already, and don't have other conditions that require a special diet.
Edmonton, AlbertaAges 18 years+ - NCT06668922Recruiting
Diet and irritable bowel syndrome study
This study compares how people with and without irritable bowel syndrome (IBS) react to different foods. It may help find which foods trigger symptoms and which are safe to eat.
Los Angeles, CaliforniaAges 18–75 - NCT05356000Recruiting
Testing how oxalate is absorbed to help prevent kidney stones
This study looks at how your body absorbs oxalate, a natural chemical that can contribute to calcium kidney stones. If you’ve had calcium stones—especially with high urine oxalate—it may help researchers find ways to reduce future stone risk.
Chicago, IllinoisAges 18–70 - NCT06654219Recruiting
Clear liquids before endoscopy for patients on GLP-1 meds
This study tests whether drinking only clear liquids before an upper endoscopy can reduce leftover stomach contents in people taking GLP-1 medications (like Ozempic or Mounjaro). It may help make the procedure safer.
Houston, TexasAges 18 years+ - NCT06646107Recruiting
Mediterranean diet and insulin pump in type 1 diabetes
This trial tests whether following a Mediterranean diet can improve blood sugar control and insulin use in people with type 1 diabetes who are starting a new insulin pump (MiniMed 780G). It compares how diet affects glucose levels and insulin needs.
ChaïdáriAges 12–80 - NCT06640179Recruiting
Lifestyle program for kidney transplant recipients
This study tests a diet and exercise program for people who recently received a kidney transplant. It aims to see if the program is safe and helpful for improving health after transplant.
Kansas City, KansasAges 18 years+ - NCT06634186Enrolling by invitation
Fiber-rich diet for liver cirrhosis patients
This study tests whether eating more dietary fiber can improve outcomes for people with liver cirrhosis and high blood pressure in the liver (portal hypertension). If you have cirrhosis, adding fiber to your diet might help.
Hanover, Lower SaxonyAges 18 years+ - NCT06636773Recruiting
Aerobic vs Aerobic Plus Yoga for Weight Loss
This study compares two exercise programs — aerobic exercise alone versus aerobic exercise combined with yoga — to see which helps adults with overweight or obesity lose weight. You would need to follow a diet plan and attend regular exercise sessions at the University of Kansas Medical Center.
Kansas City, KansasAges 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.