Clinical trials
Food Intake clinical trials
Below are recruiting food intake clinical trials, each written for real people, not researchers. We’re tracking 44 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07127393Recruiting
Seaweed in a meal: effects on comfort, fullness, and eating
This study tests how adding a type of seaweed (Irish moss) to a meal affects how you feel, how full you are, and how much you eat. It looks for healthy young men to join.
Halifax, Nova ScotiaAges 19–35 - NCT07133529Recruiting
Food choices and decision-making in healthy women
This study looks at how we make decisions about food. It is designed for healthy women who have never been pregnant and who do not use hormonal birth control.
Nuthetal, BrandenburgAges 18–35 - NCT07478068Recruiting
Can a food app help you eat more vegetables?
This trial tests whether a smartphone app that gives personalized feedback can help you eat more plant-based foods. You'll log your meals and wear a smartwatch to track your progress.
Bath, SomersetAges 18–45 - NCT06898177Recruiting
Mobile app for ARFID therapy
This study tests a mobile app that provides cognitive-behavioral therapy for avoidant/restrictive food intake disorder (ARFID). It aims to help people who have trouble eating enough or a limited variety of foods, and can be done from home using a smartphone.
Boston, MassachusettsAges 18–55 - NCT05587127Recruiting
CBT therapy for eating anxiety in functional stomach pain
This trial tests an “exposure-based” type of cognitive behavioral therapy (CBT) to help people with functional dyspepsia (stomach discomfort after eating) who avoid or restrict food. The goal is to reduce food fear and improve eating and weight, after other medical causes have been ruled out.
Boston, MassachusettsAges 18 years+ - NCT05454046Recruiting
Food intake study during fertility treatment
This study looks at what women and men eat during common fertility treatments. The goal is to understand whether food patterns may relate to fertility treatment outcomes, which could help improve future guidance.
AalborgAges Any age - NCT07422220Recruiting
Walnuts and brain health: a long-term study
This study tests whether eating walnuts every day for a long time can help keep your brain healthy as you age. It is for middle-aged and older adults who carry extra weight around their belly but are otherwise generally healthy.
Maastricht, LimburgAges 45–75 - NCT07682714Recruiting
Tracking food intake during radiation therapy
This trial asks patients to log their meals using a smartphone app while undergoing radiation therapy for cancer. The goal is to understand how treatment affects eating habits.
Minneapolis, MinnesotaAges 18 years+ - NCT07439198Recruiting
How drinking water affects how much you eat
This study looks at how drinking water with meals affects how much you eat, especially when the meals have different amounts of moisture. Researchers want to see if people who drink more water feel fuller and eat less.
Ithaca, New YorkAges 20–60 - NCT05437809Recruiting
Study how people’s brains respond to ultra-processed foods
This study looks at how brain and body reward signals change after eating different ultra-processed foods. It may help researchers understand how food choices and metabolism relate to weight and mood in some people.
Philadelphia, PennsylvaniaAges 18–65 - NCT07553936Recruiting
Alternative Proteins in Mediterranean Food Supply Chains
This study tests new plant-based and alternative protein foods (like those from legumes, insects, and algae) to see if they're safe, healthy, and practical for everyday use. You'll help researchers understand how these sustainable protein options can work in Mediterranean diets.
Bologna, BOAges 18–65 - NCT07213245Recruiting
Short-term effects of ultra-processed foods on metabolism
This study tests how eating ultra-processed foods for a short time affects your metabolism. If you are a healthy adult with a normal BMI, no diabetes, and no major dietary restrictions, you may be able to participate.
GothenburgAges 18–50 - NCT07634159Recruiting
Health effects of ultra-processed food intake
This study compares the health effects of a diet high in ultra-processed foods (like packaged snacks and sugary drinks) with a diet of less processed foods, to see how they affect your body. If you qualify, you'll eat these diets for a period of time, and researchers will monitor your health.
GothenburgAges 20–60 - NCT04445883Recruiting
Eating Matters program for older rehab patients
This trial studies whether an “Eating Matters” support program improves nutrition in older adults during a short hospital rehabilitation stay. It may help patients who are struggling to eat by providing the right level of eating assistance.
Burlington, OntarioAges 65 years+ - NCT07620587Recruiting
How hormones affect appetite and energy in healthy young adults
This study examines how estradiol and progesterone (two female hormones) influence hunger, appetite, and how your body uses energy. Understanding this connection may help explain why appetite and energy levels change throughout the menstrual cycle.
Waterloo, OntarioAges 18–30 - NCT07481578Recruiting
Exercise and gut health study for active men
This study looks at how your training load affects your gut bacteria and how that relates to exercise performance and muscle health. It may help understand overreaching in healthy men.
Leuven, Vlaams BrabantAges 18–45 - NCT07715955Recruiting
Can probiotics help control appetite in adults with overweight or obesity?
This study tests whether taking probiotics can help regulate appetite in people who are overweight or have obesity. It aims to understand if these supplements can support weight management by affecting hunger and fullness signals.
Maastricht, LimburgAges 20–70 - NCT04806620Recruiting
Online app study for brain inflammation lifestyle data
This study uses a digital platform (app/website) to collect lifestyle and symptom information to better understand brain inflammation. You may qualify if you have certain conditions like Long COVID, migraines, autoimmune disease, inflammatory gut issues, mood disorders, or if you are a healthy comparison person.
Delafield, WisconsinAges 2 years+ - NCT04873011RecruitingPhase 1
Quinine in overweight women to change hunger and gut hormones
This early study tests whether quinine affects hunger and digestion-related gut hormones in women who are mildly overweight. It may help researchers understand how the body controls appetite, but it is mainly to check effects and safety.
Leuven, Vlaams-BrabantAges 18–65 - NCT05525845Recruiting
Brain scan study of how the body controls eating
This study uses an MRI brain scan to understand why you feel hungry, satisfied, or “pulled” to eat, and how your body’s internal balance affects food intake. It may help researchers learn more about eating regulation, which could guide future treatments.
Rochester, MinnesotaAges 21–50 - NCT06432517Recruiting
Studying energy use in healthy men
This trial is looking at how healthy men's bodies use energy. It may help us understand weight and metabolism better.
Shenzhen, GuangdongAges 18–40 - NCT06484348Recruiting
How food affects sleepiness in narcolepsy and hypersomnia
This study explores how what you eat affects your sleepiness and nighttime sleep quality. Researchers want to learn more about these links in people with narcolepsy type 1 or idiopathic hypersomnia.
Clermont-FerrandAges 18–65 - NCT06594913Recruiting
Eating Disorders Genetics Study
This study looks at genes linked to eating disorders. It compares people who have had certain eating disorders (like anorexia or bulimia) with people who have never had any eating problems, to find genetic differences.
Chapel Hill, North CarolinaAges 12–99 - NCT06940284Recruiting
Food intake and health in hospitalized elderly
This study looks at how much food older adults eat while in the hospital and whether that affects their muscles and recovery. It may help understand the role nutrition plays in staying strong during a hospital stay.
São Paulo, São PauloAges 65 years+
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Common questions
- Are there clinical trials for food intake?
- Yes. Clin2 currently lists 44 recruiting food intake 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 food intake 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 food intake 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.