Clinical trials
Dietary Assessment clinical trials
Below are recruiting dietary assessment clinical trials, each written for real people, not researchers. We’re tracking 36 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06713954Recruiting
Dietary intake study for female pro footballers
This study looks at what professional female football players eat. If you qualify, you'll help researchers understand the dietary habits of elite athletes, which can guide better nutrition advice.
BarcelonaAges 18 years+ - NCT07227272Recruiting
Young child diet study using smartphone photos
This study looks at what young children eat by having their caregivers take before-and-after photos of meals and snacks. You and another adult will feed your child specific foods from a list for a short time, and you'll use a smartphone app to log the meals.
Knoxville, TennesseeAges 2–5 - NCT06690892Recruiting
How eating beef affects brain health in young adults
This study looks at how eating beef affects thinking and brain health in young adults. You will eat beef daily and have brain scans to see if there are changes in memory or focus.
Lincoln, NebraskaAges 19–24 - NCT07568561Recruiting
How Mother's Nutrients Affect Baby Brain Development
This study looks at whether certain nutrients in a pregnant mother's diet—especially B vitamins and related compounds—affect how well her baby's brain develops after birth. Researchers will track mothers' nutrition during pregnancy and check babies' development at 6 months, 1 year, and 2 years.
New Taipei CityAges birth–45 years - NCT05916287Recruiting
STANISLAS cohort follow-up visit for heart and kidney health
This study is a follow-up visit for people who joined the STANISLAS family health cohort. Researchers look at how genes and environment may affect heart and kidney (kidneys) health over time.
Vandœuvre-lès-Nancy, LorraineAges Any age - NCT04829136Recruiting
Oral fiber supplement during donor stem cell transplant
This trial tests whether taking a fiber supplement by mouth during a donor stem cell transplant helps patients tolerate treatment and potentially recover better. It’s specifically for adults who are planning a donor (allogeneic) transplant for blood cancers.
Seattle, WashingtonAges 18 years+ - NCT06398340Recruiting
Can a wearable device track what you eat?
This study uses a wearable device (like a smartwatch) to see if it can track what you eat. You would wear the device for a few days and report your meals. It is for generally healthy adults.
LondonAges 18–65 - NCT06417151Enrolling by invitation
Nutrition study for healthy Polish children
This study looks at the eating habits and nutrition of healthy Polish children from 5 months to 6 years old. It helps researchers understand what young children eat so they can give better advice on healthy eating.
Warsaw, Masovian VoivodeshipAges 5 months–6 years - NCT07313007Recruiting
Gut bacteria chemicals in fatty liver disease
This study looks at whether the natural chemicals made by your gut bacteria from the food you eat could affect liver fat and health. If you have MASLD (a fatty liver condition), researchers want to measure these gut-produced substances to better understand the disease.
Pierre-BéniteAges 18–80 - NCT04804956Recruiting
Testing gut microbes and metabolites to predict rectal cancer outcomes
This study looks at patterns in the gut microbiome (gut bacteria) and gut chemicals (metabolites) to predict how rectal cancer may do after planned surgery. By understanding these markers, researchers hope to better forecast prognosis and tailor follow-up.
Girona, GironaAges 18–18 - NCT06485960Recruiting
Testing a dietary tracking method with a smartphone app
This study tests a new way to track what people eat using a smartphone app and short daily surveys. It helps researchers learn if this method works well for studying diet in everyday life.
Leuven, Vlaams BrabantAges 18–65 - 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 - NCT06583408Recruiting
Very Early Estrogen and Ovulation Registry
This registry study is for people who have stopped getting periods due to a condition called functional hypothalamic amenorrhea, which may be linked to low estrogen and ovulation problems. Researchers want to track hormone patterns over time to better understand how the condition develops.
Jacksonville, FloridaAges 18–40 - NCT07531953Recruiting
Study of nutrition knowledge in HYROX athletes
This research study examines what competitive HYROX athletes know about nutrition and how their eating habits compare. HYROX is an obstacle course fitness competition. The study aims to understand the nutritional practices of athletes who compete in this sport.
Alicante, AlicanteAges 18 years+ - NCT07202403Enrolling by invitation
Dietary supplements and aging therapy trial
This trial tests dietary supplements and other treatments aimed at slowing the effects of aging. It is looking for generally healthy adults who are not taking immune-altering medications or other conflicting therapies.
New York, New YorkAges 18–75 - NCT05293769Recruiting
Food diary questionnaire test for IBS and activity levels
This study checks whether a food questionnaire can reliably estimate what you eat, including certain carbs that can affect digestion (FODMAPs). It also looks at how the results relate to IBS symptoms and your self-reported physical activity.
Jette, Brussels CapitalAges 18–65 - NCT06361550Recruiting
Nutrition status and diet advice for older adults
This program evaluates your nutritional status and gives you personal dietary advice as part of an active aging study. It may help you eat healthier to support your overall well-being in retirement.
Salamanca, SalamancaAges 60 years+ - NCT07670234Recruiting
Dietary Supplements and Cancer Treatment
This study looks at how dietary supplements (like vitamins and herbs) affect cancer patients who are on treatment. It checks if supplements cause side effects, change how medications work, or interact with each other.
RabatAges 18 years+ - NCT06653738RecruitingPhase 3
Testing empagliflozin and diet advice for kidney stone prevention
This trial tests if a medication called empagliflozin, combined with personalized diet advice, can help prevent kidney stones from coming back. It may be an option if you've had two or more kidney stone events in the last 10 years and your stones were mostly calcium-based.
AmiensAges 18 years+ - NCT06073418Recruiting
Diet, nutrition, and physical activity in early breast cancer
This study looks at the eating habits, nutrition knowledge, and physical activity of women with early-stage breast cancer. It aims to understand how these factors relate to your health and recovery after surgery.
Aviano, PordononeAges 18 years+ - NCT06690151Recruiting
Babies with heart defects and development support
This study looks at how a serious heart condition before birth may affect a baby's brain development. It follows babies and their parents to better understand and support these children as they grow.
Nantes, Loire AtlantiqueAges Any age - NCT06919471Recruiting
Testing a simpler food tracking app for weight loss
This study compares a new, shorter food-tracking app to standard full-intake tracking. It aims to see if the simpler app is easier to use and helps people stick with tracking.
Houston, TexasAges 18 years+ - NCT04959474Recruiting
Pre-surgery radiation study with or without calorie restriction
This trial looks at whether a planned calorie-reduction diet before surgery can change how early breast cancer responds to a short course of radiation. It may help people understand if diet could improve outcomes alongside standard pre-surgery treatment.
Philadelphia, PennsylvaniaAges 40 years+ - NCT06925932Enrolling by invitation
Taste-based diet study for high sugar consumers
This study tests three different taste-based diets to see which one best helps people cut down on free sugars (the sugars added to foods and drinks). It is for adults who eat a lot of sugar and live in the South of England.
BournemouthAges 18 years+
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Common questions
- Are there clinical trials for dietary assessment?
- Yes. Clin2 currently lists 36 recruiting dietary assessment 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 assessment 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 assessment 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.