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
- 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 - NCT07157397Recruiting
Plant-based diet for nutrition on dialysis
This study tests if eating more plant-based foods can improve nutrition in people on peritoneal dialysis who are underweight or malnourished. Participants will follow a special diet plan and have regular health check-ups for 6 months.
Cheras, Kuala LumpurAges 18 years+ - NCT07130318Recruiting
Mediterranean diet and exercise for fatty liver in FMF
This trial tests if a Mediterranean diet plus aerobic exercise can improve fatty liver in women with Familial Mediterranean Fever (FMF) who are also obese. It aims to see if these lifestyle changes help liver health.
Dokki, Giza GovernorateAges 30–55 - NCT07083076Recruiting
Regular diet vs low residue diet after colon surgery
This study compares a regular diet to a low residue diet (a diet low in fiber) after colon surgery to see if patients can eat normally without issues. It may help determine if a regular diet is safe and better for recovery.
Manhasset, New YorkAges 18 years+ - NCT07025213Recruiting
Exercise and diet study for endometrial cancer before surgery
This study tests whether combining exercise with a special diet can improve how your body processes energy (metabolism) before you have surgery to remove the cancer. It is for people with early-stage endometrial cancer who haven't yet started treatment.
México, TlalpanAges 18–65 - NCT07028580Recruiting
High-Protein Plant Diet for Liver Cirrhosis
This study tests whether a special diet high in plant-based protein (with some animal protein) can help people with severe liver cirrhosis who are waiting for a kidney transplant. The diet aims to improve nutrition and health without overloading the liver.
Athens, AtticaAges 18–80 - NCT07018986Recruiting
MIND Diet Study for breast cancer-related memory problems
This study tests whether the MIND diet (a brain-healthy eating plan) can improve memory, thinking, and other cognitive problems that many breast cancer survivors experience after treatment.
Tampa, FloridaAges 18 years+ - NCT06977113Recruiting
High-fiber fermented foods for breastfeeding moms and babies
This study tests if a diet rich in high-fiber fermented foods for breastfeeding mothers can improve the gut health of their exclusively breastfed infants. It is designed for healthy mothers and babies without chronic conditions or recent antibiotic use.
Glasgow, ScotlandAges 2 months–45 years - NCT06098235Recruiting
Test of the Oriental diet for brain health in people at high stroke risk
This trial tests whether a special diet (the Oriental diet) can help protect thinking and memory in people who have several stroke risk factors. It may be a good fit if you are 40 or older and have three or more stroke risk factors, such as high blood pressure, diabetes, or being overweight.
Hangzhou, ZhejiangAges 40 years+ - NCT05922137Recruiting
ORIENT diet for brain blood vessel narrowing
This trial studies whether a specific dietary program (the ORIENT diet) can improve brain-related thinking and memory in people with narrowed brain or neck arteries. You may be able to help test whether the diet is safe and beneficial alongside usual care, through repeated assessments over time.
Hangzhou, ZhejiangAges 40 years+ - NCT06894004Recruiting
Ketogenic diet and cholesterol study
This study looks at why a ketogenic diet can raise cholesterol. You'll follow a controlled keto diet for two weeks, and researchers will measure how your body processes fats.
St Louis, MissouriAges 18–39 - NCT06831292Recruiting
Diet study for men starting IVF treatment
This trial tests whether changing your diet can affect the small molecules in sperm and improve the chances of a successful pregnancy. It's for men who are about to have their first IVF treatment.
Linköping, Östergötland CountyAges 23–56 - NCT06817252Recruiting
Mediterranean diet with potatoes for pre-diabetes
This study tests whether adding potatoes to a Mediterranean diet can improve heart health and blood sugar control in adults with pre-diabetes. You'll follow a specific meal plan and be monitored over time.
Las Vegas, NevadaAges 45–80 - NCT06802276Recruiting
Smart underwear measures gas from diet
This study tests special underwear that can measure gas produced by digestion after eating different foods. Researchers want to see if the underwear can track how diet affects gas production.
Aurora, ColoradoAges 18 years+ - NCT06782737Enrolling by invitation
Mediterranean diet vs standard diet for sleep apnea
This study compares the Mediterranean diet to a standard diet to see which one improves heart and metabolic health in people with moderate to severe sleep apnea. You might benefit from learning if changing what you eat can help manage your condition.
Mexico City, Mexico CityAges 30–70 - NCT06784323Recruiting
Anti-inflammatory diet for Americans with ulcerative colitis
This trial tests whether a tailored anti-inflammatory diet based on American foods can help people with mild to moderately active ulcerative colitis. You'll follow a special meal plan with foods like soup, smoothies, salmon, and avocado, and researchers will track your symptoms and inflammation.
Miami, FloridaAges 16–75 - NCT06747429Recruiting
High-fat diet for heart failure metabolism
This trial tests whether a high-fat diet can help change how your heart uses energy, potentially improving heart function in people with non-ischemic heart failure.
ParisAges 18 years+ - NCT04255693Recruiting
Real-life reflux study of diet and behavior changes
This study looks at how following specific diet and behavior changes affects symptoms of acid reflux (heartburn/regurgitation) in everyday life. It may help you understand what lifestyle steps improve reflux and how symptoms change over time.
MoscowAges 18–80 - NCT06711614Recruiting
Can a special diet protect lungs from woodsmoke?
This study tests whether a special diet can help protect lungs from the effects of woodsmoke. If you join, you'll eat provided meals for several weeks while researchers check your breathing.
Vancouver, British ColumbiaAges 19–40 - NCT06671613Recruiting
Fasting-mimicking diet with immunotherapy for advanced lung cancer
This study combines a special periodic diet that mimics fasting with the standard immunotherapy drug pembrolizumab (Keytruda) for people with advanced non-small cell lung cancer. The goal is to see if the diet can help the immunotherapy work better.
Long Beach, CaliforniaAges 18 years+ - NCT06538415Recruiting
Can peas and beans improve your skin health?
This study tests whether adding more peas, beans, and lentils (polyphenol-rich pulses) to your daily diet can improve your skin health by changing the natural bacteria living on your skin.
Gainesville, FloridaAges 45–65 - NCT05938322Recruiting
Ketogenic diet during pelvic cancer radiation treatment
This trial studies whether a very low-carbohydrate (ketogenic) diet can be followed safely while you receive neoadjuvant radiation for locally advanced rectal cancer. It may help researchers understand effects related to nutrition and treatment tolerance during radiation.
RomeAges 18–75 - NCT06503809Recruiting
Ketogenic diet study for type 1 diabetes
This study tests if a very low-carb (ketogenic) diet is safe and helps control blood sugar in people with type 1 diabetes. You would follow the diet for a period and use a continuous glucose monitor to track your levels.
St Louis, MissouriAges 18–65 - NCT06487507Recruiting
Mediterranean diets for men before prostate surgery
This study tests whether a medically designed Mediterranean diet can help men before prostate cancer surgery. You would eat special foods and be monitored closely to see how the diet affects your health and recovery.
Miami, FloridaAges 18–80
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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.