Saliva swab may predict weight loss drug success

NCT ID NCT06814938

First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This study tests whether a biomarker found in saliva can predict how much weight people with obesity will lose when taking semaglutide. Researchers will compare weight changes in biomarker-positive and biomarker-negative participants over 24 weeks. The goal is to personalize obesity treatment, making it more effective and efficient.

What this could mean

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

Active substance
Semaglutide
What this could lead to
If successful, this could lead to a simple saliva test that tells doctors which patients will benefit most from semaglutide for weight loss.
What could go wrong
This is a small, early-stage study focused on prediction, not a new treatment. The biomarker may not reliably predict response in real-world settings.

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

  • Mayo Clinic in Florida

    Jacksonville, Florida, 32224, United States

  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905, United States

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