Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 649 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07009223Recruiting
Lifestyle changes to prevent memory issues in depression
This study tests whether healthy lifestyle changes—like diet, exercise, or stress management—can help prevent memory and thinking problems in people with depression. It aims to find ways to protect your brain health as you age.
BresciaAges 50–80 - NCT07010445Recruiting
Gut-brain connection in resistant epilepsy
This study looks at how the gut and brain talk to each other in people with epilepsy, especially when seizures are hard to control. It may help find new ways to treat epilepsy by focusing on the gut.
Milan, LombardyAges 3–50 - NCT07017127Recruiting
Remission of type 2 diabetes with lifestyle changes
This trial tests whether a lifestyle program can help people recently diagnosed with type 2 diabetes achieve remission. It focuses on diet and physical activity, not medications.
SplitAges 20–69 - NCT07026175Recruiting
Energy issues in high performance athletes
This study looks at energy problems in well-trained athletes who do weight-bearing exercise like running. It aims to understand why some athletes don't get enough energy, which can affect health and performance.
Fitzroy, VictoriaAges 18–45 - NCT07036341Recruiting
Recovering after a hip fracture: protein and exercise
This study tests whether extra protein in your diet combined with exercise can help you recover better after a hip fracture, improving your bone and muscle health and quality of life.
ArnhemAges 65 years+ - NCT07042087Recruiting
Brain health lifestyle study: timed eating and mindfulness
This study tests whether a combination of time-restricted eating and mindfulness can help protect brain health in people with early memory concerns. It lasts 9 months and includes regular guidance and support.
BrnoAges 60–80 - NCT07058155RecruitingPhase 4
TIPS and weight-loss surgery for liver disease with high blood pressure
This trial tests if doing a TIPS procedure (to lower blood pressure in the liver) before weight-loss surgery (sleeve gastrectomy) helps people with advanced liver disease. It's for those who have cirrhosis and very high blood pressure in the liver, and who qualify for sleeve gastrectomy.
Cleveland, OhioAges 18–70 - NCT07075653Recruiting
Barriers to vegetarian diets
This study explores the reasons why people may or may not follow a vegetarian diet. It may help researchers understand common barriers and find ways to support healthier eating.
Baltimore, MarylandAges 18–88 - NCT07078344RecruitingPhase 2
Omega-3 study for healthy African American and European American adults
This study tests whether taking omega-3 supplements can improve health and reduce diet-related differences between African American and European American adults. You would take daily capsules and visit the clinic regularly for about 6 months.
Tucson, ArizonaAges 18–64 - NCT07090096Recruiting
Plant-based diet study for endometriosis pain
This study tests whether a plant-based diet can help reduce pelvic pain in women with endometriosis. Participants are randomly assigned to either follow a plant-based diet or continue their usual diet for several months.
La Jolla, CaliforniaAges 18–45 - NCT07111208Recruiting
Air, noise, and lifestyle effects on heart health
This study tests if wearing a wristband that tracks air and noise can help reduce heart risks in people with early signs of metabolic syndrome. You will also get lifestyle tips to help protect your heart.
Kaunas, Kaunas CountyAges 45–64 - NCT07121894Recruiting
Ketogenic diet for bipolar depression
This study tests whether a high-fat, low-carbohydrate (ketogenic) diet can help improve depression symptoms in people with bipolar I or II disorder. You would work with the study team to change your diet while continuing your current mood-stabilizing medications.
Rochester, MinnesotaAges 18–50 - NCT07128095Recruiting
Wellness and nutrition check during COVID-19
This study looks at how exercise, nutrition, and overall wellness have been affected during the COVID-19 pandemic. It may help you understand how to improve your health habits.
Bloomington, IndianaAges 18–75 - NCT07138313Recruiting
How diet affects sleep and daily rhythms
This study looks at how what you eat affects your sleep and daily rhythms. Healthy young adults aged 18-32 are invited to join to help researchers understand this connection.
UppsalaAges 18–32 - NCT07151365Recruiting
Plant-based diets and healthy aging study
This study looks at how a plant-based diet might help people age in a healthy way. It is for adults 40 and older who are part of the Tzu Chi Foundation and are joining a health checkup program.
Dalin, ChiayiAges 40 years+ - NCT07163650RecruitingPhase 4
Obesity medication 6 months after weight-loss surgery
This trial is for people who had metabolic surgery 6 months ago and still have a BMI of 28 or higher. It tests whether an anti-obesity medication can help with further weight loss after surgery.
Nanjing, JiangsuAges 18–55 - NCT07202247RecruitingPhase 2
Improving heart health in prostate cancer patients on hormone therapy
This study tests whether combining a time-restricted eating plan, a heart-healthy diet, and a weight-loss medication (GLP-1 receptor agonist) can help improve heart health and weight in men with prostate cancer who are receiving hormone therapy. It aims to reduce the risk of heart problems caused by hormone treatment.
Duarte, CaliforniaAges 30–79 - NCT07211321Recruiting
Diet, inflammation, and muscle loss in older adults
This study looks at how diet and gut health relate to muscle loss (sarcopenia) in adults 60 and older. It aims to understand links between inflammation, gut bacteria, and muscle strength so we can find better ways to prevent frailty.
Lanzhou, GansuAges 60 years+ - NCT07218978Recruiting
Mobile produce market with vouchers for food access
This trial tests a mobile farmers market that gives you a $20 monthly voucher to buy fresh produce. It's designed for North Carolina adults who have trouble getting enough healthy food.
Raleigh, North CarolinaAges 18 years+ - NCT07225764RecruitingPhase 4
Kidney stone prevention trial for calcium oxalate stone formers
This trial tests a new approach to prevent calcium oxalate kidney stones from coming back. It may help people who have had a procedure to remove stones and have a specific stone type.
New York, New YorkAges 18 years+ - NCT07227363Recruiting
Keto diet for PCOS symptoms pilot study
This study tests if a keto diet can improve symptoms of PCOS. You'll follow your normal routine while researchers monitor changes.
Columbus, OhioAges 18–40 - NCT07234825Recruiting
Trial of dairy-free diet with liquid nutrition for eosinophilic esophagitis
This study tests whether a dairy-free diet combined with a special liquid nutrition drink (called Kate Farms) can help children and young adults with eosinophilic esophagitis (a condition where certain white blood cells build up in the esophagus and cause trouble swallowing, pain, or vomiting). The goal is to see if this combination can reduce symptoms and improve quality of life.
Seattle, WashingtonAges 1–21 - NCT07235358Recruiting
Pecan snacking for prediabetes health study
This study tests if eating pecans daily as a snack can improve heart health and blood sugar control in people with prediabetes. You would replace typical sugary or fatty snacks with pecans for several weeks, and researchers will track changes in your cholesterol and blood sugar.
University Park, PennsylvaniaAges 25–65 - 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+
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 649 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.