Clinical trials
Diet Interventions clinical trials
Below are recruiting diet interventions clinical trials, each written for real people, not researchers. We’re tracking 126 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05165706Recruiting
Study of how obesity affects insulin resistance over time
This study follows adults over time to understand how weight and body chemistry relate to insulin resistance. It may help researchers learn why insulin resistance happens and what could prevent or improve it.
Stanford, CaliforniaAges 35–65 - NCT06186869Recruiting
Diet and exercise for fatty liver disease
This study tests whether combining diet with two different exercise programs can help people who are overweight or obese and have fatty liver disease. The goal is to see which program works best to reduce liver fat and improve health.
Castellana Grotte, BariAges 18–65 - NCT07786831Recruiting
Dietary study for liver health in young adults
This study tests a 12-week dietary program to see if it can improve liver health in young adults. Participants will be randomly assigned to a specific diet and will attend three check-ups to measure their liver and body changes.
Vienna, AustriaAges 20–30 - NCT04990024Recruiting
Diet trial for people with obesity using semaglutide
This study compares different diets to see how they affect “arterial stiffness” (how hard the blood vessels are) in people with obesity who are starting semaglutide for weight management. It may help find a diet approach that improves heart and blood-vessel health while you use semaglutide.
Beirut, Riad El SolhAges 18–49 - NCT04761523Recruiting
Diet fat changes to help prevent pancreatitis coming back
This study looks at whether changing how much dietary fat you eat can lower the chance that pancreatitis returns. It focuses on people who have had pancreatitis more than once and are not already receiving specific meal guidance for a medical reason.
BudapestAges 14 years+ - NCT06814626RecruitingPhase 3
Nutrition therapy for muscle loss in cirrhosis with fluid buildup
This trial tests whether a special nutrition plan can help treat muscle loss in people with liver cirrhosis who also have fluid buildup that doesn't improve with standard treatment. It aims to improve strength and outcomes after a procedure to place a shunt in the liver.
PalermoAges 18–80 - NCT07634159Recruiting
Health effects of ultra-processed food intake
This study compares the health effects of a diet high in ultra-processed foods (like packaged snacks and sugary drinks) with a diet of less processed foods, to see how they affect your body. If you qualify, you'll eat these diets for a period of time, and researchers will monitor your health.
GothenburgAges 20–60 - NCT06711614Recruiting
Can a special diet protect lungs from woodsmoke?
This study tests whether a special diet can help protect lungs from the effects of woodsmoke. If you join, you'll eat provided meals for several weeks while researchers check your breathing.
Vancouver, British ColumbiaAges 19–40 - NCT06011499Recruiting
Online lifestyle program for prostate cancer survivors
This study tests an internet-based program to help prostate cancer survivors who are overweight and frail improve their health. You will be assigned to either a lifestyle coaching group or a usual care group, and both groups are followed for about 6 months.
Portland, OregonAges 18 years+ - 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 - NCT04121806Recruiting
Diet plan for active ulcerative colitis flare-ups
This trial studies whether a specific diet can improve symptoms and reduce inflammation during an active flare of ulcerative colitis. You may be eligible if you have documented active disease and can follow the study diet and medication rules.
Toronto, OntarioAges 18–75 - 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 - NCT07038681Recruiting
Mediterranean diet for mothers after pregnancy
This trial is testing whether a Mediterranean diet can help mothers after childbirth, particularly those with high blood pressure, diabetes, or obesity. It may improve their health and recovery.
Porto, Viana do Castelo DistrictAges 18 years+ - NCT05984888Recruiting
MIND diet study for women with breast cancer
This study is testing whether a special diet called the MIND diet can help women with hormone receptor-positive breast cancer who are getting treatment. The diet focuses on foods that are good for the brain, like leafy greens and berries.
Columbus, OhioAges 45–75 - NCT06098235Recruiting
Test of the Oriental diet for brain health in people at high stroke risk
This trial tests whether a special diet (the Oriental diet) can help protect thinking and memory in people who have several stroke risk factors. It may be a good fit if you are 40 or older and have three or more stroke risk factors, such as high blood pressure, diabetes, or being overweight.
Hangzhou, ZhejiangAges 40 years+ - NCT06831292Recruiting
Diet study for men starting IVF treatment
This trial tests whether changing your diet can affect the small molecules in sperm and improve the chances of a successful pregnancy. It's for men who are about to have their first IVF treatment.
Linköping, Östergötland CountyAges 23–56 - NCT06935097Enrolling by invitation
Mediterranean diet study for Black and Hispanic men with prostate cancer
This study tests whether a Mediterranean diet can help men with prostate cancer. You'll receive guidance on following this diet to see if it improves your health.
Houston, TexasAges 18 years+ - NCT06758817Recruiting
Nutrition, gut health, and rheumatoid arthritis study
This trial tests if a specific diet can improve your rheumatoid arthritis symptoms by affecting your gut bacteria. You may be eligible if you have active RA and are willing to follow a special meal plan for several weeks.
Lisbon, PortugalAges 18 years+ - NCT06273631Recruiting
Carbohydrate intake changes and blood sugar in type 1 diabetes
This trial looks at how changing the amount of carbohydrates you eat affects blood sugar control. It aims to find better ways to manage diabetes through diet.
Nanjing, JiangsuAges 18–70 - NCT04840030Enrolling by invitation
Preventing Memory and Thinking Decline With Multidomain Program
This study tests a multi-part program (not just one activity) to help slow down memory and thinking decline in older adults at higher risk. You would complete brief thinking tests and follow the study’s coaching/intervention schedule to see if it helps over time.
Donostia / San Sebastian, GipuzkoaAges 60–85 - NCT06222632Enrolling by invitation
MIND diet and forest bathing for heart and mind
This study tests whether a brain-healthy diet (MIND diet) combined with relaxing walks in nature (forest bathing) can help protect your heart and improve your mood. It is for Chinese adults aged 50–75 who have high cholesterol and some anxiety.
Hong KongAges 50–75 - NCT05922137Recruiting
ORIENT diet for brain blood vessel narrowing
This trial studies whether a specific dietary program (the ORIENT diet) can improve brain-related thinking and memory in people with narrowed brain or neck arteries. You may be able to help test whether the diet is safe and beneficial alongside usual care, through repeated assessments over time.
Hangzhou, ZhejiangAges 40 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+ - 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
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Common questions
- Are there clinical trials for diet interventions?
- Yes. Clin2 currently lists 126 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.