Clinical trials
Diet Modification clinical trials
Below are recruiting diet modification clinical trials, each written for real people, not researchers. We’re tracking 25 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07195383Recruiting
Safe swallowing check after breathing tube removal in ICU
This study tests a special nutrition program for patients who just had a breathing tube removed in the ICU. It aims to see if a safe swallowing check can help prevent problems and make feeding safer.
IstanbulAges 18 years+ - NCT07546942Enrolling by invitationPhase 1/Phase 2
Autism Treatment Using Stem Cells, Gut Microbiome, and Diet
This study tests whether a combination of stem cell therapy, gut microbiome restoration (using specially prepared stool), and dietary changes can improve autism symptoms, communication, social behavior, and digestive issues. Researchers believe gut health and immune system problems may contribute to autism, and this trial explores whether treating these areas helps.
Hamilton, MontanaAges 10–90 - NCT03615690Recruiting
Fasting-mimicking diet test for ulcerative colitis
This study tests whether a “fasting-mimicking diet” can improve mild to moderate ulcerative colitis. You would follow the study diet plan and be monitored to see if symptoms and disease activity change.
Palo Alto, CaliforniaAges 18–70 - NCT04735835Recruiting
Personalized diet testing using ZOE app and blood samples
This trial studies how different food compositions affect your body, using the ZOE testing program plus meals you eat and blood samples you collect. It may help you learn more about what foods work best for you, especially if you have a long-term health condition.
Needham, MassachusettsAges 18 years+ - NCT07696000Recruiting
Nutrition therapy for inflammation in schizophrenia
This trial tests whether a structured medical nutrition plan can reduce inflammation in people with schizophrenia who are on stable antipsychotic medication. If you are hospitalized and able to eat normally, this study may help you understand how diet affects your health.
MedanAges 18–60 - NCT05411549Enrolling by invitation
Mediterranean diet program for people with endometriosis
This trial tests whether following a Mediterranean-style diet is doable and helpful for people with endometriosis. It’s a feasibility study, meaning the goal is to see if the diet plan can be followed and how people respond.
Hamilton, OntarioAges 18–45 - NCT04401605Recruiting
Fermented foods diet for ulcerative colitis symptoms
This study tests whether adding fermented foods to your diet can improve symptoms of ulcerative colitis. It also looks at people with intestinal inflammation markers to see if diet changes may help them feel better.
Palo Alto, CaliforniaAges 18 years+ - NCT06882252Recruiting
Lean protein in preschoolers: effects on thinking and health
This study looks at whether adding lean protein (like pork) to your preschooler's meals can help with their thinking skills and overall health. It is a good fit if your child is between 2 and 5 and does not have certain health conditions or food restrictions.
Charlottesville, VirginiaAges 2–5 - 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 - NCT03900286Recruiting
Testing a low-calorie diet for partial fat loss diabetes
This trial studies whether a low-calorie (low energy) diet can improve diabetes control in adults with familial partial lipodystrophy. It likely helps by changing how your body handles blood sugar and fat use, but you must meet specific safety and eligibility checks.
CambridgeAges 18–99 - 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 - NCT05743374Recruiting
Diet changes with micronutrients for ulcerative colitis
This trial looks at whether changing your diet with certain vitamins or minerals (micronutrients) and other diet additives can improve health in people with moderately active ulcerative colitis. You may be asked to follow a specific diet plan, while your symptoms and medication stability are monitored.
Malmö, Skåne CountyAges 18 years+ - NCT04469296Recruiting
Diet changes before surgery for hormone-receptor breast cancer
This trial tests whether changing your diet before your breast surgery can help people with early, hormone-receptor (ER/PR+) breast cancer. It focuses on patients who have not started treatment yet and want to keep surgery as the main treatment.
Montpellier, HeraultAges 18–80 - NCT06916208Recruiting
Capsinoid supplement study for obese teens
This study tests whether a supplement called capsinoid can help activate brown fat in teenagers with obesity. Brown fat is a type of body fat that burns calories, so this could be a new way to help with weight management.
Palavas-les-FlotsAges 11–18 - NCT04547816RecruitingPhase 3
Non-surgical treatment for constipation-related prolapse in women
This study tests whether a non-surgical (“conservative”) approach can improve constipation-related bowel problems in women who have a mild-to-moderate rectal bulge from pelvic organ prolapse. It may help by addressing how the rectum and pelvic floor work during bowel movements.
MoscowAges 18–70 - NCT06714656Recruiting
Making healthy, sustainable food swaps for young adults
This study helps young adults who eat a lot of red meat and want to switch to healthier, more sustainable food choices but aren't sure how. It will look at what makes it easier or harder to make those changes.
AberdeenAges 18–30 - 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+ - NCT07042087Recruiting
Brain health lifestyle study: timed eating and mindfulness
This study tests whether a combination of time-restricted eating and mindfulness can help protect brain health in people with early memory concerns. It lasts 9 months and includes regular guidance and support.
BrnoAges 60–80 - NCT07162337Recruiting
Diet education to lower colon cancer risk after polyp removal
This study tests whether a diet education program can change the balance of gut bacteria and bile acids to lower the risk of colorectal cancer in people who have had polyps removed.
Boston, MassachusettsAges 18–80 - NCT06719778Recruiting
Diet and lifestyle changes for Crohn's disease
This study tests whether changing your diet and lifestyle can help repair the lining of your gut if you have Crohn's disease. It focuses on people whose Crohn's causes food-related symptoms or IBS-like symptoms, and involves a special scope procedure to check for food-triggered gut barrier damage.
Bamberg, BavariaAges 18 years+ - 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+ - NCT06590805Recruiting
Electroacupuncture for low milk supply after C-section
This study tests whether using tiny needles at specific points on the skin (electroacupuncture) can help increase milk supply for mothers who had a C-section. It is for healthy women between 25 and 30 years old who are partially bottle-feeding and feel their milk is low.
KafrelsheikhAges 25–30 - NCT06871267Recruiting
Dietary changes for mild to moderate Crohn's disease
This study looks at how changing your diet might help people with Crohn's disease feel better. It is for adults with mild to moderate Crohn's who are not using a liquid-only diet and have not had recent surgery.
Kuala Lumpur, Petaling JayaAges 18–50 - NCT07262788Recruiting
Lifestyle program for recently diagnosed type 2 diabetes
This study tests whether a carefully guided lifestyle program (diet and exercise) can help people who were recently diagnosed with type 2 diabetes achieve remission—meaning their blood sugar stays normal without medication. You may be a good fit if you are overweight, not on insulin, and have had diabetes for less than 6 years.
Herlev, DenmarkAges 18–75
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Diet Modification trials by city
Studies with a site in or near these metro areas.
Diet Modification trials by state
Studies with a site anywhere in these states.
Common questions
- Are there clinical trials for diet modification?
- Yes. Clin2 currently lists 25 recruiting diet modification 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 modification 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 modification 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.