A Study to Evaluate the Safety, PK/PD of (OriCAR-017) in Subjects With RR/MM - RIGEL Study

Inclusion Criteria

• •Capable of giving signed informed consent
• •Subjects aged 18 to 75 years (inclusive) at Screening (signing the ICF).
• •Expected survival period is \>12 weeks.
• •Diagnosis of MM according to the IMWG criteria (2016 version).
• •One of the following criteria must be met:
• •If immunoglobulin (Ig)G type MM, then serum M protein \>10 g/L; if IgA, IgD, IgE or IgM type MM, then serum M protein \>5 g/L
• •Urine M protein level \>200 mg/24 hour
• •If light chain type MM, then serum free light chain (sFLC) \>100 mg/L and K/λ FLC ratio is abnormal.
• •Extramedullary lesions (\>1 cm for diameter of the short axis).
• •For Phase I (dose-escalation) - Subjects who had received at least 3 prior lines of therapy, had previous exposure to BCMA-Ag+ therapies, and were refractory to the last line of therapy.
• •For Phase I (dose-expansion) and Phase II: Subjects with previous exposure to BCMA directed therapies including BCMA bispecific antibody (e.g., teclistamab), BCMA antibody directed conjugate (such as BLENREP), and BCMA-CAR-T (such as CARVYKT1TM)
• •Subjects with adequate hematologic, renal, hepatic, pulmonary and cardiac function.
• •Subject and partners willing to take and or use effective contraceptive measures until 2 years post IMP infusion.