Plain-English translation of NCT03913962 on ClinicalTrials.gov ↗ · Source last updated ·
This study doesn't follow the usual testing phases — it may be an observational study or a different type of research.
This research study is measuring how chronic illnesses—such as juvenile arthritis, type 1 diabetes, inflammatory bowel disease, anorexia nervosa, and cancer survivorship—affect a young person's physical fitness and ability to exercise. Researchers will test children and teens with these conditions and compare their results to healthy children of the same age and sex. The goal is to understand how the illness itself and its treatments impact muscle strength, body composition, and how the body uses energy during exercise.
Many young people with chronic illnesses struggle with fitness and exercise, but doctors don't fully understand why. This study will help clarify whether it's the illness, the medications, or something else that affects exercise ability—so that better treatments and exercise programs can be designed in the future.
You likely qualify if…
You likely don't qualify if…
If you qualify, you'll visit the hospital center in Clermont-Ferrand to complete a series of tests. These include a supervised exercise test on a stationary bike where doctors measure how your body uses oxygen and burns fat during activity, ultrasound scans to measure your muscle size and strength, and blood tests to check inflammation levels. The whole visit takes several hours, and your results will be compared to a healthy child your age and sex to understand how your condition affects your fitness.
AI-generated summary from trial data · Jun 2, 2026 · Not medical advice
France