Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 649 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06857929Recruiting
Nutrition study for metabolic syndrome
This study tests whether a personalized nutrition plan can improve health and lower the risk of chronic diseases like diabetes and heart disease in middle-aged adults with metabolic syndrome.
Madrid, MadridAges 30–50 - NCT06860880Recruiting
Personalized program to fight cancer-related fatigue
This trial tests a personalized supportive care program that combines exercise, nutrition, and coaching to help reduce fatigue in people with certain slow-growing lymphomas. It aims to improve energy and quality of life.
Chapel Hill, North CarolinaAges 18 years+ - NCT06869603Recruiting
Mediterranean diet for recurrent kidney stones and bone health
This trial looks at whether following the Mediterranean diet helps people who get kidney stones over and over again. It also checks how diet affects bone health. If you have had multiple kidney stones, you may be able to join.
NaplesAges 18 years+ - NCT06870578Recruiting
Building healthy eating habits for preteens
This trial helps researchers develop programs to support healthy eating in kids ages 9-11 with overweight. It involves focus groups, and some parts include brain scans to understand eating habits.
Seattle, WashingtonAges 9 years+ - 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 - NCT06879574Recruiting
Best ways to track what you eat and drink
This study compares different tools for recording diet in UK adults. It asks you to log what you eat and drink, wear a camera, collect samples, and eat a special menu for a few weeks to see which method works best.
Reading, BerkshireAges 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 - 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 - NCT06907862Recruiting
SWITCH trial: swapping processed soy foods in a heart-healthy diet
This study tests whether swapping highly processed soy foods for less processed soy foods, as part of a heart-healthy diet, can improve blood pressure, blood sugar, and weight in adults with obesity and high blood pressure. It may be a good option if you have type 2 diabetes and are already on stable medications.
Toronto, OntarioAges 18 years+ - NCT06920940Recruiting
Ketogenic diet for bipolar disorder in teens
This study tests whether a ketogenic diet (a very low-carb, high-fat diet) can help teens with bipolar disorder who are currently feeling depressed or have mixed symptoms. Participants will receive medical and dietitian support while trying the diet for up to 12 weeks.
Los Angeles, CaliforniaAges 12–21 - NCT06921356Recruiting
Grocery delivery plus lifestyle program for high blood pressure and diabetes
This study tests whether a program that delivers healthy groceries along with lifestyle coaching can help people with high blood pressure and type 2 diabetes manage their conditions better. If you qualify, you'll receive support to improve your eating habits and health.
Baltimore, MarylandAges 18 years+ - NCT06932042Recruiting
Protein-controlled diet for kidney disease management
This trial tests a low-protein diet (called PLADO) to help manage chronic kidney disease (CKD) stages 3–5. It aims to slow kidney decline and improve nutrition. You may join if your kidney function is stable and your blood sugar and blood pressure are under control.
BeirutAges 18 years+ - NCT06940596Recruiting
Comparing diets and therapies for irritable bowel syndrome
This study compares different dietary and behavioral treatments to find out which works best for different people with irritable bowel syndrome (IBS). You'll be asked to follow a specific treatment program to see how it affects your symptoms.
Melbourne, VictoriaAges 18 years+ - NCT06951932Recruiting
Do fatty acids help early memory loss?
This study tests whether a special oil (medium-chain fatty acids) can help people who were recently diagnosed with mild cognitive impairment. If you join, you'll take the oil and be checked to see if it slows down memory decline.
Alessandria, PiedmontAges 18–85 - NCT06953791RecruitingPhase 2
Comparing two treatments for Crohn's disease flare-ups
This trial compares a steroid called prednisolone to a special diet (aCDED with PEN) for treating Crohn's disease flare-ups. It aims to see which approach helps improve quality of life.
TübingenAges 18 years+ - NCT06955975Recruiting
Pectin supplement for frailty in older adults
This study tests if daily pectin, a fiber found in fruits, can improve strength and health in older adults who are frail or pre-frail. It compares pectin to a placebo over time.
Nottingham, NottinghamAges 65 years+ - NCT06959043Recruiting
Diet and exercise for type 2 diabetes
This study tests if a plant-based diet and exercise program can improve blood sugar control in people with type 2 diabetes. Participants will live in a hospital for 4 weeks to follow the program closely.
São Paulo, São PauloAges 45–70 - NCT06969391Recruiting
Diet and type 2 diabetes in migrant patients
This study looks at how diet affects type 2 diabetes in people who moved to France. It aims to understand your eating habits and help manage your blood sugar better.
Saint-DenisAges 18 years+ - NCT06971263Recruiting
Dietary and palliative care for cancer patients in Bangladesh
This study tests whether talking with a dietitian and a palliative care specialist can improve quality of life, daily function, and nutrition for cancer patients in Bangladesh. It may help you feel better and manage side effects during treatment.
Chittagong, ChattogramAges Any age - NCT06973408Recruiting
Diet and lifestyle study for weight management
This study tests whether a specific diet and behavior program can help people with overweight improve their health. You will be asked to follow a specific eating plan and eat certain foods provided by the researchers.
GothenburgAges 18–70 - NCT06988501Recruiting
Goal setting app to improve diet for high blood pressure
This trial tests if a goal-setting and mobile app can help people with high blood pressure eat a healthier diet. It may be a good fit if you have high blood pressure and want guidance on improving your eating habits.
Beijing, Beijing MunicipalityAges 20–70 - 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 - NCT06989320Recruiting
Oxalate production in calcium oxalate stone formers
This study looks at how the body makes oxalate (a natural substance that can form kidney stones) in people who have had calcium oxalate stones. You will eat a special diet and stop supplements for a short time to help researchers understand stone formation.
Birmingham, AlabamaAges 18–80 - NCT06994624Recruiting
Plant-based diet study for heart disease
This study tests whether switching to a defined plant-based diet can help people with heart disease. It aims to see if this diet improves heart health markers and how you feel.
Houston, TexasAges 18–75
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 649 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.