Gene therapy breakthrough? first human test of TN-201 for heart muscle disease begins

NCT ID NCT05836259

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

Summary

This study tests a new gene therapy called TN-201 in 30 adults with hypertrophic cardiomyopathy caused by a specific genetic mutation (MYBPC3). The therapy is given as a one-time IV infusion and aims to correct the underlying genetic defect. The main goals are to check safety and find the right dose, while also looking at how it affects heart function and symptoms.

What this could mean

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

Active substance

TN-201 (a gene therapy given as a one-time IV infusion)

What this could lead to

If successful, this could lead to a one-time treatment that addresses the root genetic cause of hypertrophic cardiomyopathy, potentially reducing symptoms and improving heart function.

What could go wrong

This is a very early (first-in-human) trial with only 30 participants, so safety and effectiveness are not yet known. Gene therapies can have serious side effects, and it may not work for everyone.

Disclaimer Read more

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.

familial hypertrophic cardiomyopathy hypertrophic cardiomyopathy

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Brigham and Women's Hospital

    WITHDRAWN

    Boston, Massachusetts, 02115, United States

  • Cleveland Clinic

    RECRUITING

    Cleveland, Ohio, 44195, United States

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

  • Emory University

    WITHDRAWN

    Atlanta, Georgia, 30322, United States

  • Hospital of the University of Pennsylvania

    WITHDRAWN

    Philadelphia, Pennsylvania, 19104, United States

  • Houston Methodist Hospital

    RECRUITING

    Houston, Texas, 77030, United States

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

  • Mayo Clinic

    RECRUITING

    Rochester, Minnesota, 55905, United States

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

  • Oregon Health & Science University

    WITHDRAWN

    Portland, Oregon, 97239, United States

  • The Christ Hospital Physicians - The Ohio Heart and Vascular Center

    WITHDRAWN

    Cincinnati, Ohio, 45219, United States

  • UC San Diego Altman Clinical and Translational Research Institute - Center for Clinical Research

    RECRUITING

    La Jolla, California, 92093, United States

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

  • University of California San Francisco

    RECRUITING

    San Francisco, California, 94117, United States

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