Clinical trials
Dietary Intervention clinical trials
Below are recruiting dietary intervention clinical trials, each written for real people, not researchers. We’re tracking 118 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07258758Recruiting
Personalized nutrition education for type 1 diabetes
This trial tests a person-centered nutrition education program designed to help adults with type 1 diabetes improve blood sugar control. It focuses on providing individual dietary guidance that fits your lifestyle and preferences.
Enköping, UpplandAges 18 years+ - NCT07495904Recruiting
Weight loss drug effects on body muscle with extra protein
This trial tests a weight-loss medication (GLP-1 receptor agonist) combined with dietary protein to see if it helps protect muscle while losing fat. It is for adults with obesity who are not taking certain other medications or supplements.
HeraklionAges 30–65 - 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+ - NCT05618626Recruiting
Lifestyle program to prevent fatty liver and heart disease
This trial tests whether a structured lifestyle program—focused on healthy living and resistance exercise—can help prevent fatty liver disease and heart-related problems. It may be helpful if you have early or mild fatty liver changes or risk factors, even if you also have gallstones.
Molina, Maule RegionAges 45–60 - 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 - NCT06996405Enrolling by invitation
Dietary advice for patients on dialysis
This trial tests whether having access to a dietitian or nutrition advice in the dialysis unit can improve your health. If you are on dialysis and speak Danish, you may be able to join.
HolbækAges Any age - NCT05709600Recruiting
Diet study during planned living kidney donation
This trial looks at whether specific diet changes can be safely used for people who are planning a living kidney transplant. It mainly aims to understand how diet might affect people during the donation/transplant process.
CologneAges 18 years+ - NCT05297279Recruiting
Omega-3 diet program for people with COPD
This trial tests whether increasing omega-3 (from diet and/or supplements) helps people with COPD. It enrolls people with low omega-3 intake and asks them to follow a specific dietary plan during the study.
Baltimore, MarylandAges 40 years+ - NCT04755062Recruiting
Native-focused plant diet study for adults with BMI over 24
This trial tests whether a culturally relevant, plant-rich, micronutrient-dense diet can improve health for Native American adults. It may help with weight-related goals, but it requires weekly group coaching and specific medical and workplace criteria.
Flagstaff, ArizonaAges 18 years+ - NCT06929091Recruiting
Breastfeeding help for women with higher weight
This study tests if expressing milk before birth and following a meal plan after birth helps women with higher weight breastfeed longer. You may join if you are pregnant, interested in breastfeeding, and live in Central Arkansas.
Little Rock, ArkansasAges 18 years+ - NCT06634186Enrolling by invitation
Fiber-rich diet for liver cirrhosis patients
This study tests whether eating more dietary fiber can improve outcomes for people with liver cirrhosis and high blood pressure in the liver (portal hypertension). If you have cirrhosis, adding fiber to your diet might help.
Hanover, Lower SaxonyAges 18 years+ - 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+ - NCT06954584RecruitingPhase 3
Fluzoparib with or without bevacizumab or diet for advanced ovarian cancer
This trial tests if adding bevacizumab (a drug that blocks blood vessel growth) or a special diet to fluzoparib (a PARP inhibitor) works better than fluzoparib alone for women with advanced ovarian cancer whose tumors have specific genetic features (HRD-positive or HRD-negative). It is for patients who have already responded well to initial chemotherapy.
Wuhan, HubeiAges 18 years+ - NCT06912828Recruiting
Genes and diet for IBS
This trial is studying whether your genes can predict how well a special diet will help your IBS symptoms. If you have moderate to severe IBS and no other diet-related conditions, you may be able to take part.
AthensAges 18–65 - NCT07111208Recruiting
Air, noise, and lifestyle effects on heart health
This study tests if wearing a wristband that tracks air and noise can help reduce heart risks in people with early signs of metabolic syndrome. You will also get lifestyle tips to help protect your heart.
Kaunas, Kaunas CountyAges 45–64 - NCT06582615Recruiting
MIND diet for better brain health during breast cancer treatment
This study tests whether a special diet (called the MIND diet) can help with thinking and memory in women being treated for triple negative breast cancer. Participants will receive nutrition coaching and support to see if it improves brain function.
New Haven, ConnecticutAges 40–65 - NCT07864779Recruiting
Barley and kefir for gut health in active adults
This study looks at how eating barley and drinking kefir affects the good bacteria in your gut. If you are physically active and have a high fitness level, you may be able to join and help us learn more about foods that could support gut health.
BergenAges 18–55 - NCT07834489Recruiting
Anti-inflammatory diet and exercise for teen girls' reproductive health
This study tests whether a 16-week anti-inflammatory diet and physical activity plan can improve reproductive health in teenage girls. It may help by reducing inflammation and supporting hormonal balance.
Poznan, Greater Poland VoivodeshipAges 14–19 - NCT05528471Recruiting
Test whether fructose affects fatty liver in teens
This study looks at how fructose (a type of sugar) may affect fatty liver disease (NAFLD) in teens with obesity. The goal is to learn whether fructose changes liver health, using MRI/MRS scans to measure the liver.
Edmonton, AlbertaAges 12–18 - NCT07501377Recruiting
Diet and brain health study for women in menopause with overweight
This trial tests whether a diet rich in fiber and plant compounds (polyphenols) can reduce brain inflammation in perimenopausal women who are overweight. If you're in early menopause and have some inflammation, this study may show how diet affects your brain health.
Leipzig, SaxonyAges 35–60 - NCT05530070Recruiting
Study diet effects on heart risk in celiac disease
This study looks at how celiac disease and gluten-free (GFD) or gluten-containing diets affect blood and cardiovascular (heart and blood vessel) risk factors. It may help researchers understand which diet habits are most important for heart health in people with celiac disease.
Pécs, BaranyaAges 18 years+ - NCT07446777Recruiting
Fasting and Mediterranean diet for multiple myeloma
This study tests whether a special diet—longer nightly fasting plus a Mediterranean eating pattern—can help people with multiple myeloma or its early stages. If you qualify, you will be randomly assigned to start the diet right away or join a waitlist group.
Miami, FloridaAges 18 years+ - NCT07447505Recruiting
High-protein, high-fiber pre-fast meal study
This trial tests if eating a high-protein, high-fiber meal before fasting helps you feel full longer and keeps your blood sugar stable. It may help people who fast and want to avoid hunger or sugar dips.
Al-Ahsa, Eastern ProvinceAges 18 years+ - NCT07396896Recruiting
A study on brain tumors and weight gain after treatment
This trial tests a diet therapy for young people who have gained a lot of weight after treatment for a certain type of brain tumor. The goal is to see if the diet can help manage obesity related to the tumor or its treatment.
Florence, FlorenceAges 7–30
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Common questions
- Are there clinical trials for dietary intervention?
- Yes. Clin2 currently lists 118 recruiting dietary intervention 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 dietary intervention 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 dietary intervention 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.