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
- NCT07309484Enrolling by invitation
Lifestyle and health study
This study is investigating how everyday habits and lifestyle choices are linked to staying healthy. You will fill out an online questionnaire about your lifestyle.
ZadarAges 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 - NCT07307612RecruitingPhase 1/Phase 2
High-energy breast milk diets for extremely preterm infants
This trial tests whether feeding extremely premature babies (born at 28 weeks or earlier) a higher-energy breast milk diet in the first two weeks of life can reduce the risk of bronchopulmonary dysplasia (BPD), a serious lung condition. It aims to find a safe and effective way to support lung development in these tiny infants.
Birmingham, AlabamaAges 1 day–3 days - NCT06874608Recruiting
Does an exclusion diet help juvenile arthritis?
This study tests if removing certain foods can improve arthritis symptoms in children aged 6 to 17. It may be an option if current medicines are not working well or if you want to explore dietary changes.
FlorenceAges 6–18 - NCT07289672Enrolling by invitation
Food limits in Crohn's and colitis
This study looks at how diet affects people with Crohn's disease or ulcerative colitis who have moderate inflammation. It aims to understand if certain foods make symptoms worse or better.
MalmöAges 18 years+ - NCT06883578Recruiting
Effect of a low valine diet on body weight and metabolism
This trial studies if a diet low in valine, a building block of protein, can help people with excess weight lose weight and improve their metabolic health. It may offer an alternative approach for weight loss.
Shanghai, Shanghai MunicipalityAges 16–80 - NCT07283328Recruiting
Methionine and Gut Bacteria Study in Healthy Adults
This study looks at how a diet low in methionine (a protein building block) affects the bacteria in your gut.
Montreal, QuebecAges 20–50 - NCT07283341Recruiting
Diet and Gut Movement in Irritable Bowel Syndrome
This study looks at how diet affects gut movement in children with irritable bowel syndrome (IBS). It may help find better ways to manage IBS symptoms.
Philadelphia, PennsylvaniaAges 8–18 - NCT06631105Recruiting
Diet and activity program for diabetes
This study is testing a new program called CADA that helps people with diabetes manage their diet and activity. You'll use email or a smartphone to take part from home.
Orlando, FloridaAges 18 years+ - NCT07270497Recruiting
New weight-loss medicines and diet changes in people with excess weight
This study tests whether a newer class of weight-loss medicines (GLP-1 and GIP/GLP-1 analogues) can help people with excess body weight eat healthier and improve their metabolism and behavior. It may be a good option if you are an adult with overweight or obesity and haven't used these medicines recently.
Warsaw, WarszawaAges 18–65 - NCT07270068Recruiting
Diabetes remission through lifestyle change for Malaysian patients
This study tests whether a lifestyle program can help Malaysian adults with recently diagnosed type 2 diabetes and overweight or obesity achieve remission of their diabetes. If you qualify, you’ll get support to change your diet and activity habits.
Seremban, Negeri SembilamAges 18–70 - NCT06716034Recruiting
Mood and diet pilot trial for teens with depression
This study tests whether a special diet can help improve mood in teens with depression. You and your parent will work together online with the study team.
Toronto, OntarioAges 11–17 - NCT07268508Recruiting
Study of a gut-healthy diet after weight-loss surgery
This study tests how a special diet after weight-loss surgery affects gut bacteria, eating habits, and sense of taste and smell. Researchers want to see if this diet can improve long-term results.
LyonAges 25–65 - NCT07265453Recruiting
Heart health study for Ugandan teens and families
This study looks at whether a family-based program can improve heart health for adolescents in Uganda. You and your family would work together on healthy habits over the next year.
JinjaAges 10–19 - 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 - NCT07255807Recruiting
Understanding insulin resistance in healthy adults
This study will look at how insulin resistance works in the body by studying healthy adults. You may help researchers find new ways to understand and treat conditions like diabetes.
CopenhagenAges 25–55 - NCT07235332Enrolling by invitation
How diet affects heavy metals in the body
This study compares heavy metal levels in people who eat different types of diets—vegetarian/vegan, low-carb, or traditional omnivorous. It will help understand if certain diets lead to higher or lower exposure to toxic metals.
ArielAges 20–49 - 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 - NCT06828445RecruitingPhase 1
Increasing affordable fruits and vegetables for families
This study tests a program that helps families with food insecurity get more affordable fruits and vegetables delivered to their homes. If you are a caregiver with a young child and receive SNAP benefits, you may be able to join.
Columbia, South CarolinaAges 2–10 - NCT07228819Enrolling by invitation
Garden education wellness program for early care centers
This trial tests whether garden-based learning activities can improve health and wellness in early care and education settings. It involves teachers, children, and parents at participating centers.
Phoenix, ArizonaAges 3 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 - 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+
Hear when a new Diet trial opens
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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.