Can ozempic and mounjaro turn back your biological clock?

NCT ID NCT07293325

First seen Jun 27, 2026 ยท Last updated Jun 27, 2026

Summary

This study will give 66 adults with obesity either semaglutide (Ozempic/Wegovy), tirzepatide (Mounjaro/Zepbound), or metformin for 24 weeks. Researchers will use a DNA test called iWatchAge to see if these drugs can reverse or slow the genetic signs of aging. The goal is to find out if treating obesity can also help people age more slowly at a cellular level.

What this could mean

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

Active substance
semaglutide, tirzepatide, or metformin
What this could lead to
If it works, this could point toward a way to slow biological aging in people with obesity, potentially reducing age-related health risks.
What could go wrong
This is a small, early-stage study with only 66 people. It measures a biomarker (epigenetic age), not actual health outcomes, so results may not translate to real-world benefits.

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

  • The Second Affiliated Hospital, Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, China