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
- NCT06684470RecruitingEarly Phase 1
Combining a low-FODMAP diet with medication for IBS-D
This trial tests if a special diet (low-FODMAP) combined with a medication (mirtazapine) can improve IBS with diarrhea symptoms. It is for adults who have not tried these treatments before.
Jacksonville, FloridaAges 18–70 - NCT07687849Recruiting
Workplace diet study for Avon firefighters
This study tests a workplace diet program designed for UK firefighters. It aims to see if the program can improve your health and well-being while on the job.
BristolAges 18 years+ - NCT07682532Recruiting
Theanine and Mediterranean diet for Parkinson's symptoms
This trial tests whether a supplement called L-theanine and a Mediterranean diet can improve sleep, digestion, and inflammation in early-stage Parkinson's disease. It may help if you are in stage 1 and live with a healthy partner.
IstanbulAges 50–80 - NCT07132788Recruiting
How PAH affects muscle mass
This study looks at how pulmonary arterial hypertension (PAH) impacts lean muscle mass. It may help researchers understand changes in your body and find new ways to support your health.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07686601Enrolling by invitation
Shockwave therapy for belly fat
This study tests whether a sound-wave device (shockwave therapy) applied to your belly can help shrink fat and improve body measurements. It is for adults who have stubborn belly fat and are otherwise healthy.
Shibīn al Kawm, MenofyiaAges 18 years+ - 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 - NCT06715787Recruiting
Perinatal support program for pregnant people
This trial tests a support program for pregnant individuals who qualify for certain food assistance benefits. It aims to see if the program helps with pregnancy and infant health.
Los Angeles, CaliforniaAges 18 years+ - NCT06716203RecruitingPhase 3
Study of BGM0504 for type 2 diabetes not well controlled by diet and exercise
This trial tests a new medication called BGM0504 for people with type 2 diabetes that is not well managed with diet and exercise alone. It aims to see if the drug can help lower blood sugar levels.
Beijing, Beijing MunicipalityAges 18–75 - 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+ - NCT06735599Recruiting
Wild blueberries for blood pressure health
This study tests whether eating wild blueberries can improve your gut, brain, and heart health if you have high blood pressure. You'll eat blueberries daily for several weeks and have checkups to see how your body responds.
Atlanta, GeorgiaAges 45–65 - 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+ - NCT06764563Recruiting
Mediterranean diet study for multiple sclerosis quality of life
This trial tests whether following a Mediterranean diet can improve quality of life for people with multiple sclerosis (MS). It aims to find a dietary approach that may help manage symptoms and improve well-being.
Tel Aviv, IsraelAges 18–70 - NCT06787235Recruiting
Can a special diet help reduce alcohol intake?
This study tests whether a nutritional program (a modified ketogenic diet) can help people with alcohol use disorder reduce their drinking. It aims to find out if changing what you eat can support your goals around alcohol.
BernAges 18–80 - NCT06809166RecruitingPhase 4
Contrave for weight loss in adults with obesity
This study tests whether a weight loss medication called Contrave can help adults with obesity lose weight by changing how their body uses energy and handles food. If you qualify, you will take Contrave and be monitored for several months.
Ottawa, OntarioAges 18–64 - NCT06814509Recruiting
HOPE program for pregnant women
This study tests a program called HOPE that helps pregnant women get the support they need for a healthy pregnancy. It is designed to make prenatal care more fair and accessible.
Corning, ArkansasAges 16–44 - NCT06824974Recruiting
Time-restricted eating for liver disease or cancer
This study tests whether combining time-restricted eating with healthy eating helps people with metabolic liver disease, cirrhosis, or early-stage liver cancer. If you are overweight and currently fast less than 12 hours at night, this diet approach might improve your health.
La Jolla, CaliforniaAges 18 years+ - NCT06826014Recruiting
Cancer prevention registry and biorepository study
This study creates a registry of people who have had certain cancer screenings or have conditions linked to cancer risk. Participants donate blood, urine, and cheek swab samples and allow their health records to be followed for five years to help future cancer research.
Bryan, TexasAges 18 years+ - NCT06826235Recruiting
Date consumption, hunger and appetite in type 2 diabetes
This study looks at how eating dates might affect hunger and appetite in adults with type 2 diabetes. It aims to see if dates can help manage food cravings (hedonic hunger).
Erzurum, PalandökenAges 19–50 - NCT06827366Recruiting
Lifestyle study for people at high risk of colorectal cancer
This study tests a lifestyle program for people who are at high risk for colorectal cancer but have not been diagnosed. The goal is to see if healthy changes can help lower your risk over one year.
Lyon, FranceAges 35–74 - 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 - NCT06831955RecruitingPhase 2
Lifestyle program to boost chemo before breast cancer surgery
This trial tests whether a structured lifestyle program (diet and exercise) can make standard chemotherapy before surgery work better for triple-negative breast cancer. It looks at how the program affects your body’s response to treatment and your overall health.
AntwerpAges 18 years+ - NCT06839248Recruiting
Fasting before procedures with GLP-1 meds
This study looks at whether people taking weekly GLP-1 medications (like Ozempic or Wegovy) should follow standard fasting rules or a 24-hour clear liquid diet before a procedure. The goal is to find the safest way to prepare.
Melbourne, VictoriaAges 18 years+ - NCT06845046Recruiting
Improving muscle health for veterans with HIV
This study tests a way to help veterans with HIV build stronger muscles. It may help improve your strength and overall health.
Nashville, TennesseeAges 20–80 - NCT06848491Recruiting
Mobile health program for weight management in young cancer survivors
This study tests a mobile health program to help young adult cancer survivors (ages 18–39) manage their weight. You'll be randomly assigned to one of two programs that use text messages and other tools to support healthy eating and physical activity.
Chapel Hill, North CarolinaAges 18–39
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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.