RecruitingGenetic interventionStudy to Assess Safety, Efficacy, and Cellular Kinetics of YTB323 in Generalized Myasthenia GravisThis is a phase I/II study to assess safety, efficacy, and cellular kinetics of YTB323 in participants with treatment-resistant generalized myasthenia gravis. YTB323 is a Biological CAR-T cell therapy.