Hormone therapy's hidden impact on gut bugs and heart risk revealed in new study.

NCT ID NCT05334888

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

Summary

This study follows 200 healthy transgender people for five years after they start hormone replacement therapy. Researchers will track changes in gut bacteria, blood markers, and heart risk factors to understand how sex hormones influence the gut-heart connection. The goal is to learn, not to treat or cure any disease.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

immune system disorder

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Experimental and Clinical Research Center, Clinical Research Unit

    RECRUITING

    Berlin, 13125, Germany

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••