CELL INTELLIGENCE · 肿瘤细胞治疗研究

Inclusion Criteria:

Age is 18\~70 years old; Expected survival period of\>12 weeks; Multiple myeloma was diagnosed by physical examination, pathological examination, laboratory examination and imaging; Patients with refractory multiple myeloma; Patients with multiple myeloma recurrence; ALT and AST \<3 times normal; bilirubin \<2.0mg / dl; Quality of survival score (KPS)\> 50%; The patient has no serious heart, liver, kidney and other diseases; Recurrence or no disease remission after hematopoietic stem cell transplantation or cellular immunotherapy; Is not suitable for stem cell transplantation conditions or to abandon transplantation due to conditional restrictions; Blood can be obtained intravenously, without other contraindications to leukapheresis; Understand and voluntarily sign a written informed consent form.

Exclusion Criteria:

Women who are pregnant or breastfeeding, or who have a pregnancy plan within six months; Infectious diseases (such as HIV, active tuberculosis, etc.); Active hepatitis B or hepatitis C infection; Feasibility assessment screening demonstrated \<10% transfection of targeted lymphocytes or underamplification under CD3 / CD28 costimulation (\<5-fold); Abnormal vital signs, and unable to cooperate with the examination; Have mental or mental illness who cannot cooperate with the treatment and efficacy evaluation; Highly allergic constitution or have a history of severe allergies, especially allergic to IL-2; Subjects with a systemic infection or a severe local infection requiring anti-infective treatment; Subjects with severe autoimmune disease; The doctor believes there were other reasons for inclusion

主要终点：Adverse events · Adverse events assessed according to NCI-CTCAE v5.0 · Baseline up to 28 days after CAR-T cells infusion
次要终点：overall response rate (ORR)；complete response (CR)；Overall survival (OS)；Event-free survival (EFS)

• anti BCMA/FcRL5 CAR-T · EXPERIMENTAL · anti-BCMA/FcRL5 autologous CAR T cells will be infused at a dose ranging from 1 - 2 x 10\^6/kg CAR+ T cells after receiving lymphodepleting chemotherapy.

This is an open label, single-arm, Phase 2 study to evaluate the efficacy and safety of Anti-BCMA/FcRL5 CAR-T in subjects with relapsed and refractory multiple myeloma. A leukapheresis procedure will be performed to manufacture. Anti-BCMAFcRL5 chimeric antigen receptor (CAR) modified T cells. Prior to Anti-BCMA/FcRL5 infusion subjects will receive lymphodepleting therapy with fludarabine and cyclophosphamide.