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
- NCT06361550Recruiting
Nutrition status and diet advice for older adults
This program evaluates your nutritional status and gives you personal dietary advice as part of an active aging study. It may help you eat healthier to support your overall well-being in retirement.
Salamanca, SalamancaAges 60 years+ - NCT06362837Recruiting
Nutrition, hygiene, and sexual health program for families
This trial tests a program called REACTS-IN to improve nutrition, hygiene, and sexual/reproductive health. It is designed for mothers, fathers, adolescents, and young children living in communities in Kenya.
DhakaAges Any age - NCT06369571Enrolling by invitationPhase 1/Phase 2
Improving heart health in adults with epilepsy on a modified Atkins diet
This study tests whether a statin medication (atorvastatin) can help lower cholesterol and improve heart health in adults with epilepsy who have been on a modified Atkins diet for a year or more. It may be a good fit if you have high cholesterol and are not already on a statin or have had heart problems.
Baltimore, MarylandAges 18 years+ - 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 - NCT06349590RecruitingPhase 1/Phase 2
Diet before colon cancer surgery to reduce recurrence
This trial tests whether a specific diet before colon cancer surgery can change the bacteria in your gut to help prevent the cancer from coming back or spreading. Patients who are eligible will follow the diet for a short time before their operation.
Chicago, IllinoisAges 18 years+ - NCT06356220Recruiting
Gluten-free nutrition for kids with celiac disease
This study helps children with newly diagnosed celiac disease eat a healthier gluten-free diet by reducing processed foods. It aims to improve nutrition and overall health.
Boston, MassachusettsAges 2–18 - NCT06336902RecruitingPhase 1
Immunotherapy plus fasting diet and vitamin C for KRAS-mutated colorectal cancer
This trial tests a combination of two immunotherapy drugs (botensilimab and balstilimab) plus a fasting-mimicking diet and high-dose vitamin C for people with a specific type of advanced colorectal cancer (KRAS-mutated). It aims to see if this approach can help when standard treatments have stopped working.
Fullerton, CaliforniaAges 18 years+ - NCT06329544Recruiting
Study of a high-fructose diet and gut health
This trial tests how a high-fructose diet affects your gut bacteria and overall metabolic health. It is for people who already know they don't absorb fructose well (fructose malabsorbers) and want to understand how this sugar impacts their body.
New York, New YorkAges 25–45 - NCT06309563Recruiting
Essential amino acid diet for severe obesity
This study tests whether replacing some foods with essential amino acids (protein building blocks) can improve metabolism in people with severe obesity. It aims to find a non-surgical way to boost weight loss.
Oggebbio, VerbaniaAges 45–65 - NCT06255886RecruitingPhase 4
Treatment for acid reflux in babies under 1 year
This trial tests a treatment for babies under 1 year old who have frequent and troublesome reflux (GERD). It aims to find a safe and effective way to reduce symptoms like crying, feeding problems, and breathing pauses.
Aabenraa, Region SyddanmarkAges 1 month–1 year - NCT06273644Recruiting
Carbohydrate-rich diet for acute intermittent porphyria
This trial tests whether a diet high in carbohydrates can help treat acute intermittent porphyria (AIP), a condition that can cause attacks of pain and other symptoms. If you have AIP, this study wants to see if eating more carbs can prevent or manage attacks.
Bodø, NordlandAges 18 years+ - NCT06239363Recruiting
Dietary salicylates and preeclampsia study
This trial looks at how salicylates (compounds in foods like fruits and spices) affect preeclampsia, a pregnancy complication with high blood pressure. It compares healthy pregnant women to those with preeclampsia to understand if diet plays a role.
PoznanAges 18–45 - NCT06216678Recruiting
Can healthy diets with plant oils improve heart health?
This study tests if adding plant oils to a healthy diet can improve cholesterol and other heart health markers in people with moderately high cholesterol. It involves following a specific meal plan and having your health monitored over several weeks.
University Park, PennsylvaniaAges 25–60 - NCT06206616Recruiting
Liver fat in children with celiac disease
This study looks at whether children with celiac disease have fat buildup in the liver. It aims to help doctors understand and manage this condition better.
Palermo, PalermoAges 1–14 - 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 - NCT06055036Recruiting
Stress reduction for heart health in Black men
This study looks at how reducing stress can improve cardiovascular health in Black men. It involves lifestyle changes and support to help lower your risk of heart disease.
Columbus, OhioAges 18 years+ - NCT06166810Recruiting
Healthy gut bacteria and high fiber diet study
This study looks at gut bacteria in healthy people who eat a high fiber diet. If you are between 20 and 50, eat at least 5 fruits and vegetables a day, and meet other health criteria, you may be able to help researchers learn how diet affects good gut bacteria.
Clermont-FerrandAges 20–50 - NCT06152614Recruiting
Healthy diet and exercise for Black adults with high blood pressure
This study tests a combined eating and exercise program for Black adults with high blood pressure. The MIND-style diet and aerobic training may help lower your blood pressure over time.
Indianapolis, IndianaAges 35–75 - 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+ - NCT06111040Recruiting
Parenting study for food-driven young children
This study tests a program to help parents handle feeding their 4- or 5-year-old child who is very motivated by food. It aims to support healthy eating habits.
Philadelphia, PennsylvaniaAges 4–5 - NCT06129110Recruiting
Weight loss and muscle fat study for adults aged 18-70
This study looks at how losing weight affects the fat that sits inside your muscles (called intermuscular fat). It might help people with overweight to better understand how weight loss can improve muscle health.
Aurora, ColoradoAges 18–70 - NCT06099288Recruiting
Strong families start at home: A healthy eating study for Latinx families
This study tests a program to help families eat healthier together at home. It is for Latinx caregivers of young children and involves recording a few meals to see how the program helps.
Providence, Rhode IslandAges 18 years+ - NCT06047626Recruiting
Living well with lymphoma: a fatigue and nutrition study
This study tests if eating more fruits and vegetables can help reduce persistent fatigue in people with lymphoma. You will receive questionnaires by email to track your fatigue and diet over time.
Ann Arbor, MichiganAges 18 years+ - NCT06069622Recruiting
How a gene affects weight-loss treatment response
This study looks at how a weight-loss medication affects people with obesity who may have a specific gene difference (caveolin-1). It aims to understand why some people respond differently to GLP-1 treatments like semaglutide.
Boston, MassachusettsAges 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.