Engineered immune cells take on tough Muscle-Weakening disease

NCT ID NCT06704269

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

Summary

This early-stage trial is testing a new treatment called YTB323 for people with generalized myasthenia gravis that hasn't responded to standard therapies. YTB323 is a CAR-T cell therapy, meaning a patient's own immune cells are modified in a lab to better attack the disease. The study will enroll 15 participants to check safety, how long the cells last in the body, and whether they improve muscle weakness.

What this could mean

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

Active substance

YTB323 (a CAR-T cell therapy given by infusion)

What this could lead to

If successful, this could point toward a new treatment option for people with hard-to-control myasthenia gravis, potentially reducing symptoms and reliance on other medications.

What could go wrong

This is an early-phase trial with only 15 participants, so results may not apply to everyone. CAR-T therapies can cause serious side effects like cytokine release syndrome and nerve problems.

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.

myasthenia gravis

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: •••-•••-••••

Locations

  • Houston Methodist Hospital

    RECRUITING

    Houston, Texas, 77030, United States

    Contact

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

  • Novartis Investigative Site

    RECRUITING

    Bordeaux, 33076, France

  • Novartis Investigative Site

    RECRUITING

    Brest, 29200, France

  • Novartis Investigative Site

    RECRUITING

    Lille, 59037, France

  • Novartis Investigative Site

    RECRUITING

    Chiba, Chiba, 2608677, Japan

  • Novartis Investigative Site

    RECRUITING

    Kyoto, 6068507, Japan

  • Novartis Investigative Site

    RECRUITING

    Sheffield, South Yorkshire, S10 2JF, United Kingdom

  • Novartis Investigative Site

    RECRUITING

    London, SE5 9RS, United Kingdom

  • Thomas Jefferson University

    RECRUITING

    Philadelphia, Pennsylvania, 19107, United States

    Contact

    Contact Email: •••••@•••••

  • Univ Cali Irvine ALS Neuromuscular

    RECRUITING

    Orange, California, 92868, United States

    Contact

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

  • Wake Forest Univ School of Medicine

    RECRUITING

    Winston-Salem, North Carolina, 27157-1052, United States

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

    Contact