Original Investigation

Mivocabtagene Autoleucel CD19 Chimeric Antigen Receptor T-Cell Therapy in Stiff Person Syndrome

JAMA Neurology 10.1001/jamaneurol.2026.4155

November 09, 2026 at 11:00 AM EST

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In this nonrandomized clinical trial, a single dose of mivocabtagene autoleucel resulted in immunotherapy-free remissions with a consistent, well-tolerated safety profile, demonstrating a highly effective therapy in antibody-positive SPS with the potential for durable remissions. Long-term follow-up is ongoing.

Corresponding Author: Marinos C. Dalakas, MD, PhD, Department of Neurology, Thomas Jefferson University, 901 Walnut St, Ste 400, Philadelphia, PA 19107 (marinos.dalakas@jefferson.edu).

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