Master Protocol for the Phase 1 Study of Cell Therapies in Multiple Myeloma


Master protocol for cell therapy, Phase 1 proof-of-concept studies in relapsed and refractory multiple myeloma and includes long-term safety follow-up.

ARM 1 is a, non-randomized, open label, multi-site Phase 1 study. CART-ddBCMA is a BCMA directed CAR with a non-scFv binding domain that has been deimmunized.
SparkCures ID 1043
Trial Phase Phase 1
Enrollment 12 Patients
Trial Sponsors
  • Arcellx, Inc.
NCT Identifier


Am I Eligible?

The following criteria is a partial list of reasons why patients may or may not be eligible to participate in this clinical trial. Further evaluation with a medical professional will be required to determine full eligibility.

The following criteria is provided for health care professionals.

Inclusion Criteria:

  • Relapsed and refractory Multiple Myeloma treated with at least 3 prior regimens of system therapy including Proteosome Inhibitor (PI), immunomodulatory drugs (IMiD), and anti-CD38 antibody (CD38mab); or has "triple-refractory" disease
  • Documented measurable disease
  • Adequate organ function
  • Life expectancy > 12 weeks, Eastern Cooperative Group Performance Status 0-1

Exclusion Criteria:

  • Plasma Cell Leukemia or History of Plasma Cell Leukemia
  • Patients with a history of severe hypersensitivity to DMSO should be excluded
  • Contraindication to fludarabine or cyclophosphamide
  • Severe uncontrolled intercurrent illness (e.g., infection) or laboratory abnormalities
  • Active central nervous system disease involvement by malignancy or active CNS pathology

US Trial Locations

Accepting Patients

The following is a listing of trial locations that are open and accepting patients.