Clinical trials
Diet Interventions clinical trials
Below are recruiting diet interventions clinical trials, each written for real people, not researchers. We’re tracking 125 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05998291Enrolling by invitation
Dermatitis herpetiformis not helped by gluten-free diet
This trial studies two groups of people with dermatitis herpetiformis. One group has a rash that still appears even after following a strict gluten-free diet for at least 3 years. The other group responds well to the diet. The study will compare them to learn more and find better ways to help.
TampereAges 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+ - NCT06221852Recruiting
Ketogenic diet for first episode bipolar disorder
This study tests whether a special high-fat, low-carbohydrate diet (ketogenic diet) can help people who have recently been diagnosed with bipolar disorder. It may improve mood stability and overall brain health.
Belmont, MassachusettsAges 18–45 - 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+ - NCT07605169Recruiting
Long-Term Health Effects of Lifestyle Changes
This study follows people who already completed a lifestyle intervention program to see how diet and exercise changes affect their health and well-being over time. Researchers want to understand if these changes have lasting benefits.
Gothenburg, Västra Götaland CountyAges 45–65 - NCT06806670Recruiting
Diet and exercise study for kidney transplant patients
This study tests whether a structured diet and exercise program can lower heart disease risk in kidney transplant recipients. If you've had a stable transplant for at least 6 months and up to 10 years, you may be able to join.
Bologna, BOAges 30–69 - NCT06885125Recruiting
Diet Study to Improve Fertility in Women with Endometriosis
This study tests if a special diet can help women with endometriosis who are having trouble getting pregnant and are doing IVF. It aims to improve chances of success by changing what you eat.
MilanAges 18–39 - NCT06444568Recruiting
Ketogenic diet for memory loss in older adults
This trial tests whether a modified ketogenic diet (high in healthy fats, low in carbs) can help people with mild memory problems. It is for older adults who have been diagnosed with a certain type of memory impairment and want to see if diet changes can support brain health.
AnkaraAges 65–80 - NCT05675878RecruitingPhase 3
Testing a specific diet for Gulf War illness
This Phase 3 study tests whether following a study diet can improve symptoms of Gulf War illness. It may help people by confirming whether diet changes are an effective treatment.
Washington D.C., District of ColumbiaAges 50–75 - NCT05839210Recruiting
Diet and exercise coaching for lymphoma survivors
This study tests whether a Mediterranean-style diet and home exercise plan can improve health and recovery in people who have been treated for non-Hodgkin or Hodgkin lymphoma with chemotherapy. You may also be placed on a waitlist/control group to compare outcomes.
Miami, FloridaAges 18 years+ - NCT05356182Recruiting
Low-protein meals during immunotherapy for cancer patients
This trial tests whether eating low-protein meals helps people with metastatic cancer feel better or tolerate immunotherapy (immune checkpoint inhibitors). It’s mainly a pilot/feasibility study, meaning the goal is to see if the diet is safe and doable during treatment.
Buffalo, New YorkAges 18 years+ - NCT06989203Recruiting
Protein supplement study for body weight
This trial tests how protein supplements affect body weight in people who are either normal weight or overweight. The goal is to see if adding protein helps with weight management.
Hangzhou, ZhejiangAges 20–50 - NCT06138223Recruiting
Exercise and diet for incurable esophagus or stomach cancer
This study tests whether an exercise and nutrition program can improve quality of life for people with incurable esophageal or stomach cancer. It is designed to help you feel better and stay active during treatment.
Amsterdam, North HollandAges 18 years+ - NCT07311083Recruiting
Lifestyle program for triple-negative breast cancer patients
This study tests a lifestyle program (diet, exercise, and support) for women with triple-negative breast cancer who are getting chemotherapy plus immunotherapy before surgery. The goal is to see if healthy habits can help during treatment.
Essen, North Rhine-WestphaliaAges 18–75 - NCT06621394Recruiting
Mediterranean diet and mindful eating for depression and obesity
This study tests if a Mediterranean diet combined with mindful eating can help reduce depression severity in people who have both obesity and major depressive disorder. You would follow a special eating plan and learn mindfulness techniques to see if they improve your mood.
StuttgartAges 18 years+ - NCT07597980Recruiting
Exercise and diet program to strengthen muscles in older adults
This study tests whether a lifestyle program combining exercise and nutrition can help adults over 50 improve their muscle strength and function. You'll work with researchers to see if this approach helps with mobility and overall health.
Baton Rouge, LouisianaAges 50 years+ - NCT07501377Recruiting
Diet and brain health study for women in menopause with overweight
This trial tests whether a diet rich in fiber and plant compounds (polyphenols) can reduce brain inflammation in perimenopausal women who are overweight. If you're in early menopause and have some inflammation, this study may show how diet affects your brain health.
Leipzig, SaxonyAges 35–60 - NCT06339840Recruiting
Lifestyle change for weight and fertility in obese men
This study tests whether a lifestyle program (diet and exercise) can help men with obesity lose weight and improve their chances of fathering a child through fertility treatment. You and your partner can join if you are an obese male, your partner has a healthy weight and regular periods, and you are both planning treatment at our center.
Zhengzhou, HenanAges 22–40 - NCT07132788Recruiting
How PAH affects muscle mass
This study looks at how pulmonary arterial hypertension (PAH) impacts lean muscle mass. It may help researchers understand changes in your body and find new ways to support your health.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06827366Recruiting
Lifestyle study for people at high risk of colorectal cancer
This study tests a lifestyle program for people who are at high risk for colorectal cancer but have not been diagnosed. The goal is to see if healthy changes can help lower your risk over one year.
Lyon, FranceAges 35–74 - 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+ - NCT07294963Recruiting
Lifestyle changes to help thinking and memory in fatty liver disease
This trial tests whether lifestyle changes can prevent cognitive decline in people with non-alcoholic fatty liver disease. If you have fatty liver and are between 18 and 42 years old, you may be able to join.
Peshawar, KPKAges 18–42 - NCT06438588Recruiting
Fasting-mimicking diet to reduce immunotherapy side effects
This trial tests whether a special low-calorie 'fasting-mimicking' diet can reduce side effects from common immunotherapy drugs for advanced cancer. If you're on a PD-1, PD-L1, or CTLA-4 inhibitor, this diet might help you feel better during treatment.
Jacksonville, FloridaAges 18 years+ - NCT06831955RecruitingPhase 2
Lifestyle program to boost chemo before breast cancer surgery
This trial tests whether a structured lifestyle program (diet and exercise) can make standard chemotherapy before surgery work better for triple-negative breast cancer. It looks at how the program affects your body’s response to treatment and your overall health.
AntwerpAges 18 years+
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Common questions
- Are there clinical trials for diet interventions?
- Yes. Clin2 currently lists 125 recruiting diet interventions 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 interventions 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 interventions 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.