500 obese adults donate samples to unlock secrets of weight loss

NCT ID NCT05874726

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

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 and used to study obesity, diabetes, and related conditions.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If successful, this could help identify biomarkers that predict who will respond best to weight-loss treatments, leading to more personalized care.
What could go wrong
This is an observational sample-collection study, not a treatment trial. It will not directly benefit participants and may not yield actionable findings for years.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.