Ripertamab for the Treatment of Myasthenia Gravis

Who cannot join

• Any condition that the investigator deems likely to interfere with the evaluation of the study drug, assessment of patient safety, or interpretation of study results.(2) A history of any uncontrolled active infection or severe infection within 8 weeks prior to screening.(3) Receipt of rituximab or any B-cell depleting agent within 6 months prior to screening; note: Subjects with CD19+ or CD20+ B-cell counts above the lower limit of normal are eligible for enrollment.(4) Administration of tocilizumab, eculizumab, mitoxantrone, cyclophosphamide, or other alkylating agents within 3 months prior to the first dose.(5) Administration of immunosuppressants other than glucocorticoids within 1 month prior to the first dose, including but not limited to azathioprine, mycophenolate mofetil, tacrolimus, cyclosporine, and methotrexate.(6) Receipt of plasma exchange (PE), moderate-volume blood transfusion, or immunomodulatory drugs (e.g., interferon β, interferon γ, or intravenous immunoglobulin [IVIG]) within 1 month prior to the first dose.(7) Performance of thymectomy within 12 months prior to baseline, or a planned thymectomy during the 12-week study period.(8) Comorbidity with other chronic active autoimmune diseases requiring treatment with glucocorticoids, biologics, or immunosuppressants (e.g., rheumatoid arthritis, scleroderma).(9) Vaccination with live or attenuated vaccines within 1 month prior to the first dose.(10) A history of previous bone marrow transplantation, hematopoietic stem cell transplantation, total lymphoid irradiation, or T-cell vaccine therapy.(11) Receipt of any investigational drug within 28 days prior to the first dose or 5 times the half-life of the investigational drug, whichever is shorter.(12) Known hypersensitivity to any component of ripertamab.(13) Pregnant or lactating females; for women of childbearing potential (WOCBP) who have not undergone sterilization: refusal to use appropriate contraceptive methods (e.g., oral contraceptives, intrauterine devices [IUDs], or barrier contraception combined with spermicides) from screening until 6 months after the end of treatment.(14) For males who have not undergone sterilization: refusal to use barrier contraception from screening until 6 months after the end of treatment, and refusal to request their partners to use other contraceptive methods (e.g., oral contraceptives, IUDs, barrier methods, or spermicides).