Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 627 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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+ - NCT07513298Recruiting
Video Game Exercise for Overweight Children's Fitness
This study tests whether playing specially designed Wii video games that involve aerobic exercise can help overweight children improve their reaction time and lung function. The goal is to see if gaming-based exercise can be an engaging way for kids to get healthier.
CairoAges 10–15 - 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 - NCT07496749Recruiting
Ketogenic diet for super-refractory seizure emergency
This trial tests if a high-fat, low-carb diet (ketogenic diet) can help stop seizures that have not responded to other treatments. It is for patients with a very severe, ongoing seizure emergency called super-refractory status epilepticus.
Hefei, AnhuiAges 14–80 - 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 - NCT07494201Recruiting
MIMICC study for people with colorectal cancer
This trial is studying patients with colorectal cancer who are scheduled for surgery. Researchers want to learn more about the cancer to improve future treatments.
Candiolo, Torino (TO)Ages 18–75 - NCT07490782Recruiting
Nutrition study for college students with depression
This trial tests whether changes in diet can help improve mild to moderate depression in college students. If you are currently getting treatment or are open to it, you may be able to join.
La Jolla, CaliforniaAges 18 years+ - NCT07481747RecruitingPhase 3
Weekly injection for weight loss in adults with obesity
This trial tests a once-weekly injection (tirzepatide) versus a placebo to help people who are obese or overweight with related health conditions lose weight. You may qualify if you have tried to lose weight through diet before, but have not been successful.
Shenzhen, GuangdongAges 18 years+ - NCT07483112Recruiting
Fiber supplement study for advanced lung cancer patients
This trial tests whether adding a fiber supplement to standard immunotherapy can help treat advanced non-small cell lung cancer. It's for people whose tumors have high PD-L1 levels and no treatable genetic mutations.
BaselAges 18 years+ - NCT07487428Recruiting
Diet study for early-stage CLL
This study tests whether a whole-food plant-based diet for 4 weeks can affect immune function and metabolism in people with early-stage CLL who have not yet had treatment.
München, BavariaAges 18 years+ - NCT07472881Recruiting
Laser therapy for body shape in obese menopausal women
This study tests whether a laser therapy applied to specific points on the body can help with weight and body shape in women going through menopause who are overweight. It aims to find a safe, non-invasive option for weight management.
Keelung, TaiwanAges 45–55 - NCT07478016Recruiting
Studying inflammation and social factors in breast cancer
This study looks at how inflammation and social factors (like stress or support) affect breast cancer patients before they start treatment. You may qualify if you are a woman, newly diagnosed, and have not yet had any cancer treatment.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07479095Recruiting
Low-sugar, high-fat diet to improve PET scans for LPA lung cancer
This study tests whether a 7-day low-sugar, high-fat diet before a PET/CT scan can improve detection of a specific type of lung cancer called lepidic-predominant adenocarcinoma (LPA). If you have a suspicious lung nodule or biopsy-confirmed LPA, this diet may help the scan be more accurate.
Candiolo, Torino (TO)Ages 18 years+ - NCT07467447RecruitingPhase 2
Testing a weight-loss drug for people with obesity or overweight
This trial tests whether an experimental drug (LY3437943) can help people with obesity or overweight lose weight. It compares the drug to a placebo (inactive shot), and you must be willing to give yourself daily injections.
Shenzhen, GuangdongAges 18–75 - NCT06794931Recruiting
Mediterranean diet for advanced colorectal cancer during chemo
This study tests whether a modified Mediterranean diet can help people with advanced colorectal cancer who are starting chemotherapy. It aims to see if the diet improves treatment side effects and quality of life.
Vimercate, MBAges 18–80 - 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+ - NCT06806670Recruiting
Diet and exercise study for kidney transplant patients
This study tests whether a structured diet and exercise program can lower heart disease risk in kidney transplant recipients. If you've had a stable transplant for at least 6 months and up to 10 years, you may be able to join.
Bologna, BOAges 30–69 - NCT07431658Enrolling by invitation
Diet and stress effects on omalizumab response in chronic hives
This study looks at how diet and oxidative stress (a type of cell damage) affect the severity of chronic hives and how well patients respond to the medication omalizumab (Xolair). It may help find ways to improve treatment by understanding these factors.
IstanbulAges 18–65 - NCT07431359Recruiting
Mediterranean diet study for type 2 diabetes patients
This trial looks at what people with type 2 diabetes know about diet and how often they eat a Mediterranean diet. It aims to understand if this way of eating can help with diabetes management.
Peschiera del Garda, VeronaAges 18–80 - NCT07428187Recruiting
Snacking effects on brain response and fullness during dieting
This trial tests how eating a daily snack of walnuts or pretzels affects your brain's response to food and feelings of fullness while you are on a weight-loss diet. You must be willing to follow a structured meal plan and have an MRI scan.
Aurora, ColoradoAges 25–45 - NCT07430852Enrolling by invitation
Twins and weight: diet, genes, and environment
This study looks at how your genes and your environment (like diet and exercise) affect your weight. It involves comparing twins and may include periods where you eat more or less than usual to see how your body responds.
Seattle, WashingtonAges 20–45 - NCT07426003Recruiting
Healthy volunteer nutrition study with a special drink
This study looks at how healthy adults digest a special nutritional drink. Researchers want to understand normal digestion to help improve care for people with feeding tubes.
Philadelphia, PennsylvaniaAges 18–70 - NCT07426146Recruiting
Diet for PCOS: Low glycemic, high fiber study in Yunnan
This study tests if a diet low in quickly digested carbs (low glycemic index) and high in fiber can help women with PCOS who are overweight. You'll follow this eating plan and not change your exercise, to see how it affects your PCOS symptoms over several months.
Gengma County, YunnanAges 19–40 - 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
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 627 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.