Clinical trials
Dietary Intervention clinical trials
Below are recruiting dietary intervention clinical trials, each written for real people, not researchers. We’re tracking 119 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06981247Recruiting
Heart disease prevention for office workers
This study tests ways to help city bank employees in Karachi lower their risk of heart disease and stroke. It focuses on people who sit a lot at work and want to prevent heart problems.
Karachi, SindhAges 20–65 - NCT05832606Recruiting
Food changes to reduce side effects from immunotherapy
This trial tests whether a specific food plan can reduce side effects (toxicity) from standard immunotherapy that targets PD-1 and/or CTLA-4. It may help people tolerate treatment better while staying on their usual cancer care.
JetteAges 18 years+ - NCT06562465Recruiting
Overweight and obesity prevention for preschool children
This study tests a 4-month diet and exercise program to help overweight or obese preschool children. It focuses on healthy habits and regular check-ups to see if the program helps children manage their weight.
Chongqing, Chongqing MunicipalityAges 3–6 - NCT07354438Recruiting
Antioxidant-rich diet for metabolic syndrome risk
This study tests whether eating more foods rich in antioxidants (like fruits and vegetables) can help lower your risk of metabolic syndrome, a condition that increases your chance of heart disease and diabetes. If you have a larger waist size and higher blood pressure, and you don't eat many fruits and vegetables, this trial may be a good fit.
Lahore, Punjab ProvinceAges 18–45 - NCT07385820Recruiting
Fruit distribution and awareness campaigns in schools
This study compares different ways to encourage students to eat more fruit by offering fruit at school and running awareness campaigns. It may help find the best approach to improve healthy eating habits.
StockholmAges 7–19 - NCT06726083Recruiting
Virtual cooking program for older veterans with walking trouble
This virtual program teaches older veterans with walking difficulties how to cook healthier meals and connect with others. It aims to improve your diet and social life through online cooking classes.
Baltimore, MarylandAges 65 years+ - NCT07620028Enrolling by invitation
Improving Diet Quality Through Better Access to Protein
This study looks at how to help families in Indianapolis get better nutrition, especially protein-rich foods. Researchers will work with you and your child over about a year to understand food access and eating habits.
Indianapolis, IndianaAges 5 years+ - NCT06221852Recruiting
Ketogenic diet for first episode bipolar disorder
This study tests whether a special high-fat, low-carbohydrate diet (ketogenic diet) can help people who have recently been diagnosed with bipolar disorder. It may improve mood stability and overall brain health.
Belmont, MassachusettsAges 18–45 - NCT07000500Enrolling by invitation
Nutritional supplement for memory decline in older adults
This trial tests whether a nutritional supplement can help slow or improve memory loss in older adults who have mild cognitive decline (noticeable changes in thinking skills that are not yet dementia). You will take a daily supplement and attend regular check-ups.
Vila Nova de Famalicão, Braga DistrictAges 65 years+ - NCT07236125Recruiting
Nitrate-rich foods and mouth bacteria in children with high blood pressure
This study looks at how eating nitrate-rich vegetables (like spinach and beets) might affect the helpful bacteria in your child's mouth and their blood pressure. It's for children ages 10 to 18 who have primary hypertension (high blood pressure not caused by another condition) and are otherwise healthy.
Istanbul, FatihAges 10–18 - NCT06600633Recruiting
Melatonin supplement for better sleep quality
This trial tests whether a melatonin supplement can improve sleep quality in people with mild sleep issues. It may help if you have poor sleep but not full insomnia.
LjubljanaAges 24–65 - NCT07175701Recruiting
Reducing ultra-processed foods and tracking blood sugar
This study tests whether reducing ultra-processed foods (like packaged snacks and sugary drinks) can help young adults maintain healthier blood sugar levels. You will wear a small sensor to track your glucose continuously for up to 2 weeks and receive guidance on cutting back on these foods.
Seoul, SeoulAges 20–39 - NCT06074770Recruiting
Iodine study for preschool children ages 3 to 6
This study looks at how much iodine children aged 3 to 6 get from food. It is for children who are either mildly malnourished or have good nutrition, and who do not have thyroid problems or take certain medicines.
Yuncheng, ShandongAges 3–6 - NCT07402642Recruiting
Early Education to Lower Heart Attack Risk Factors
This trial tests if personalized education after a heart attack helps patients lower their future risk of heart problems. It focuses on people who had an emergency procedure to open blocked arteries.
Las Palmas de Gran Canaria, Las PalmasAges 18 years+ - NCT06759545Recruiting
Olive oil for preeclampsia prevention in high-risk pregnancy
This study tests if taking extra virgin olive oil during early pregnancy can reduce the chance of developing preeclampsia. It is designed for women who have one or more conditions that make them more likely to get preeclampsia.
Ashkelon, Ashkelon DistrictAges 18–45 - 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 - NCT07311083Recruiting
Lifestyle program for triple-negative breast cancer patients
This study tests a lifestyle program (diet, exercise, and support) for women with triple-negative breast cancer who are getting chemotherapy plus immunotherapy before surgery. The goal is to see if healthy habits can help during treatment.
Essen, North Rhine-WestphaliaAges 18–75 - NCT06871384Recruiting
Red wine diet for brain and body health in early elderly
This study tests whether a special diet including red wine can help improve thinking and movement in people aged 60–74. If you join, you would drink red wine as part of the diet and have your memory and physical abilities checked over time.
Logroño, SpainAges 60–74 - NCT07518407Recruiting
Nutrition Education and Diet Guidance While Using GLP-1 Medication
This study teaches adults on GLP-1 medication (like Ozempic or Wegovy) how to eat better and lose weight using a smartphone app. Researchers want to see if personalized nutrition advice helps you get better results from your medication.
Columbia, South CarolinaAges 18–65 - NCT06595160Recruiting
Diet and gut bacteria in pancreatic cancer treatment
This study looks at how diet and the bacteria in your gut might affect how well chemotherapy works for pancreatic cancer that can be surgically removed. If you have been newly diagnosed with this type of pancreatic cancer, you may be able to join.
Atlanta, GeorgiaAges 18 years+ - NCT05439226Recruiting
Diet plan targeting liver fat for type 2 diabetes
This study tests whether a Chinese medical nutrition therapy diet can reduce liver fat and help manage type 2 diabetes in people who also have fatty liver. You may be asked to follow a specific eating plan and keep your diabetes care stable during the study.
Yichang, HubeiAges 18–75 - NCT07456332Enrolling by invitation
Digital lifestyle program for weight loss with HIV and fatty liver
This trial tests a digital lifestyle program (diet and activity coaching) to help people with HIV and fatty liver disease lose weight. It aims to see if the program can reduce body fat in the liver and improve overall health.
L'Hospitalet de Llobregat, BarcelonaAges 18 years+ - NCT07083336Recruiting
Diet study for type 2 diabetes with fatty liver disease
This trial tests a specific medical nutrition therapy diet to see if it can reduce liver fat and improve blood sugar control in people with type 2 diabetes and nonalcoholic fatty liver disease. It may help you manage both conditions with a dietary approach.
Yichang, HubeiAges 18 years+
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Common questions
- Are there clinical trials for dietary intervention?
- Yes. Clin2 currently lists 119 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.