CAR t therapy takes on rare stiff person syndrome

NCT ID NCT06588491

First seen Jan 11, 2026 · Last updated May 11, 2026 · Updated 17 times

Summary

This study tests a new treatment called KYV-101 for people with stiff person syndrome (SPS) that hasn't improved with other treatments. SPS causes severe muscle stiffness and spasms. The therapy uses a patient's own immune cells, modified to target and calm the faulty immune system. The study will check if it helps with walking and reduces symptoms, and monitor for side effects in 25 participants.

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Contacts and locations

Locations

  • Mayo Clinic

    Rochester, Minnesota, 55905, United States

  • Thomas Jefferson University Hospital

    Philadelphia, Pennsylvania, 19107, United States

  • University of Colorado Anschutz Medical Campus

    Aurora, Colorado, 80045, United States

Conditions

Explore the condition pages connected to this study.