500 obese adults donate samples to unlock secrets of weight loss
Knowledge-focused
Ongoing
This study collects blood, urine, and tissue samples from 500 obese adults to help researchers understand why people gain weight, lose weight, or regain weight after treatment. Participants must be over 18 with a BMI of 30 or higher. The samples will be stored for up to 10 years …
Sponsor: Pichamol Jirapinyo, MD, MPH • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:01 UTC