Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 653 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06331546Recruiting
Gut oxalate absorption in calcium oxalate stone patients
This study looks at how much oxalate (a substance in many foods) gets absorbed by the gut in people who form calcium oxalate kidney stones. You will eat a controlled diet and provide urine and blood samples over a few days.
Birmingham, AlabamaAges 18–70 - NCT06339957Recruiting
Rheumatology diet study for arthritis and related conditions
This study looks at how diet affects people with different types of arthritis and related autoimmune conditions. If you are a UCF Health patient between 18 and 65, you may be able to help researchers learn more about which foods help or worsen symptoms.
Orlando, FloridaAges 18–65 - NCT06342011Recruiting
Anti-inflammatory diet for inflammatory bowel disease
This trial tests whether an anti-inflammatory diet can help people with inflammatory bowel disease (IBD). Researchers want to see if this diet reduces inflammation and improves symptoms.
Yiwu, ZhejiangAges 18–65 - NCT06399432Recruiting
Mediterranean diet for psoriasis patients on biologic therapy
This study tests whether adding a Mediterranean diet to your psoriasis treatment can improve your skin. You will be asked to follow a heart-healthy diet for several months while taking a new biologic medicine.
Cleveland, OhioAges 18–94 - NCT06424847Recruiting
Sleep and lifestyle changes for inactive adults
This study tests whether a program that combines sleep tips and lifestyle changes can help adults who don't exercise much. It's for people who want to improve their sleep and activity habits.
GrenobleAges 18–80 - NCT06454942Recruiting
Eggs and eczema: a diet study for mild to moderate cases
This trial tests if eating regular eggs or nutrient-fortified eggs can improve eczema in people with mild to moderate symptoms. It looks for healthy adults aged 21-59 with a BMI in the normal range.
SingaporeAges 21–59 - NCT06455878Recruiting
Mobile app for weight loss in heart failure patients
This trial tests a mobile app that helps you track your diet to manage your weight. It is designed for people with heart failure who are overweight and have recently been in the hospital for their condition.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06474546Recruiting
Diet intervention feasibility study for juvenile arthritis
This trial tests whether a special diet can help children and teens with juvenile arthritis. If you join, you will follow the diet and provide stool samples so the researchers can see how it affects your gut and arthritis.
Winnipeg, ManitobaAges 8–18 - NCT06474936Recruiting
Adapting Eating Habits to a Mediterranean Diet for International Students
This study helps international students in Italy learn to adopt a Mediterranean diet. It tests whether changing eating habits can improve health and well-being.
PaviaAges 18 years+ - NCT06572345Recruiting
Low energy diet for teens with obesity and type 2 diabetes
This trial tests whether a low-energy diet using meal replacements can help teenagers with type 2 diabetes improve their blood sugar control. It involves a period of following the diet, then weight management, and includes follow-up visits.
NottinghamAges 12–17 - NCT06497946Recruiting
SlimTrack app for weight and heart health in menopause
This trial tests if a smartphone platform called SlimTrack® helps postmenopausal women stick to a diet, lose weight, and improve artery health. You may qualify if you are postmenopausal, overweight or obese, and not very active.
Porto Alegre, Rio Grande do SulAges 45–60 - NCT06500754Recruiting
Persistent intestinal damage in celiac disease on strict diet
This study looks at why some adults with celiac disease still have damage to their small intestine even after strictly avoiding gluten. It aims to understand persistent villous atrophy and could help improve long-term care for people like you.
Terrassa, BarcelonaAges 20–80 - NCT06534567Recruiting
Body changes in young triathletes
This study looks at how the bodies of young triathletes change as they grow. It measures things like muscle, fat, and height to see how training affects development.
San Vicent del Raspeig, AlicanteAges 5–17 - NCT06540703Recruiting
Ketogenic diet and brain health in anorexia recovery
This study tests whether a ketogenic (high-fat, low-carb) diet affects brain function in people who have recovered from anorexia nervosa. It aims to see if this diet could help improve eating disorder symptoms.
San Diego, CaliforniaAges 18–45 - NCT06546033Recruiting
Intermittent fasting and Mediterranean diet for multiple sclerosis
This study tests whether a combination of intermittent fasting (eating only during certain hours) and a Mediterranean diet (rich in fruits, vegetables, whole grains, and healthy fats) can help improve symptoms in women with multiple sclerosis (MS). If you are a woman with MS and not in an active flare-up, this trial may offer a new way to manage your condition through diet.
Niğde, BorAges 18–65 - NCT06556290Recruiting
Gluten and dairy free diet for children with autism
This study tests whether a diet without casein (a dairy protein) and gluten (a wheat protein) can help children with autism spectrum disorder. It looks at how this diet might affect their symptoms and overall health.
Guadalajara, JaliscoAges 4–10 - NCT06591169Recruiting
Lifestyle changes for PCOS, sleep apnea, and fatty liver
This trial studies whether making lifestyle changes (like diet and exercise) can help women who have PCOS, sleep apnea, and fatty liver disease. It aims to see if these changes can improve their health and reduce symptoms.
Dokki, Giza GovernorateAges 30–40 - NCT06610565Recruiting
Fasting-mimicking diet for breast cancer side effects
This study tests if a special diet that mimics fasting can help reduce side effects from hormone therapy (aromatase inhibitors) in women with breast cancer. The diet is a low-calorie meal plan designed to lower cholesterol and improve well-being.
Milan, ItalyAges 18 years+ - NCT06630663Recruiting
Wearable device and app for diet and exercise
This trial tests if a wearable device and a smartphone app can help you improve your diet and exercise habits. It is for people who are overweight and have related health conditions like high blood pressure or diabetes.
Taipei, TaipeiAges 20 years+ - NCT06696222Recruiting
Fermented vegan diet for health and colitis
This trial tests whether a fermented vegan diet can improve health in people with inflammatory bowel disease (IBD), like ulcerative colitis or Crohn's disease, and in healthy volunteers. It aims to see how the diet affects the gut.
MalmöAges 18 years+ - NCT06698601Recruiting
Wild blueberries for colitis inflammation
This study tests whether eating wild blueberries can help reduce inflammation in people with Crohn's disease or ulcerative colitis. You would eat wild blueberries during your hospital stay and have a colonoscopy to see how your gut is doing.
Bamberg, BavariaAges 18 years+ - NCT06701968Recruiting
Healthy Nordic diet for heart artery health after heart attack
This study tests whether a healthy Nordic diet (like whole grains, berries, fish, and vegetables) can slow down hardening of the arteries in people who have had a heart attack or have stable chest pain. It lasts 18 months and aims to improve heart health.
UppsalaAges 50–80 - NCT06705517Recruiting
Mediterranean diet study for Parkinson's disease
This trial tests whether a Mediterranean diet can help people with Parkinson's disease. You would either follow your usual diet or switch to a Mediterranean diet for six months and provide blood and stool samples.
Varese, VareseAges 40–85 - NCT06700811RecruitingPhase 1
Ketogenic diet to prevent infant seizures in genetic epilepsy
This trial tests whether starting a special high-fat diet (ketogenic diet) early can prevent epileptic spasms in babies with genetic epilepsy. It uses a specific formula called KetoVie and is for infants under 9 months old.
Boston, MassachusettsAges birth–9 months
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 653 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.