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ALLO-715

Phase 1

Relapsed/Refractory Multiple Myeloma | Gene therapy | Oncology |Allogene Therapeutics, Inc.|Trials Updated: May 13, 2026

ALLO-715 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Sep 2019

ALLO-715 target and mechanism

Molecular targetBCMA
Target classProtein
ModalityGene therapy

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment73

FDA Designations

ORPHAN_DRUGRMAT

ALLO-715 clinical trials

ALLO-715 · 1 trial · 1 indication

Phase 1 1
NCT04093596Safety and Efficacy of ALLO-715 BCMA Allogenic CAR T Cells in in Adults With Relapsed or Refractory Multiple Myeloma (UNIVERSAL)Relapsed/Refractory Multiple Myeloma
COMPLETED73 Analytics
PHASE1COMPLETED
Safety and Efficacy of ALLO-715 BCMA Allogenic CAR T Cells in in Adults With Relapsed or Refractory Multiple Myeloma (UNIVERSAL)
Relapsed/Refractory Multiple MyelomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Proportion of subjects experiencing Dose Limiting Toxicities at increasing doses of ALLO-715
28 Days

Dose limiting toxicities are defined as ALLO-715-related adverse events with onset within 28 days following infusion of ALLO-715.

To assess the overall safety profile and tolerability of ALLO-647 in combination with Fludarabine and/or cyclophosphamide or ALLO-647 alone, prior to ALLO-715 to confirm the dose of ALLO-647.
33 days

The proportion of subjects in a dose cohort with DLTs of ALLO-647

To assess the overall safety profile and tolerability of nirogacestat given concomitantly with ALLO-715 following lymphodepletion with Flu/ Cy/ ALLO-647.
28 days

Dose limiting toxicities are defined as ALLO-715-related adverse events with onset within 28 days following infusion of ALLO-715.

Secondary Endpoints

Cellular kinetics of ALLO-715
up to 60 months
antitumor activity of ALLO-715 in combination with nirogacestat
up to 60 months
Cellular kinetics of ALLO-715 in combination with nirogacestat
up to 60 months
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ALLO-647, ALLO-715, NirogacestatEXPERIMENTAL -

Interventions

NameTypeDescription
ALLO-715GENETICALLO-715 is an allogeneic CAR T cell therapy targeting BCMA
ALLO-647BIOLOGICALALLO-647 is a monoclonal antibody that recognizes a CD52 antigen
FludarabineDRUGChemotherapy for lymphodepletion
CyclophosphamideDRUGChemotherapy for lymphodepletion
NirogacestatDRUGa small molecule, selective, reversible, noncompetitive inhibitor of γsecretase (GSI) that increases BCMA target density on the surface of multiple myeloma cells.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites11

Inclusion Criteria: * Documented diagnosis of relapsed/refractory multiple myeloma (MM) with measurable disease (serum, urine, or free light chain \[FLC\]) per International Myeloma Working Group (IMWG) criteria * At least 3 prior lines of MM therapy, including a proteasome inhibitor, immunomodulat...

Countries:United States
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Competitive Landscape -Multiple Myeloma 222 trials (matched to "Relapsed/Refractory Multiple Myeloma")

Frequently asked questions about ALLO-715

What is ALLO-715?

ALLO-715 is an investigational gene therapy being developed by Allogene Therapeutics for relapsed or refractory multiple myeloma. It is an allogeneic CAR T cell therapy, meaning the cells are derived from a donor rather than the patient. It has completed a Phase 1 clinical trial and has not been approved by the FDA.

What is ALLO-715 used for in relapsed/refractory multiple myeloma?

ALLO-715 is being studied for the treatment of adults with relapsed or refractory multiple myeloma, a cancer of plasma cells that has returned or stopped responding to prior therapies. The Phase 1 UNIVERSAL trial enrolled 73 patients with this condition in the United States. It remains investigational and is not approved for commercial use.

What does ALLO-715 target?

ALLO-715 targets BCMA, or B-cell maturation antigen, a protein expressed on the surface of myeloma cells. By binding BCMA, the CAR T cells are designed to recognize and attack malignant plasma cells. BCMA is a validated target in multiple myeloma, and ALLO-715 is engineered as an allogeneic, or donor-derived, CAR T therapy.

Who is developing ALLO-715?

ALLO-715 is being developed by Allogene Therapeutics, Inc., a clinical-stage biotechnology company that trades under the ticker ALLO. Allogene focuses on allogeneic CAR T therapies, and ALLO-715 is one of its pipeline assets in oncology. The company sponsored the Phase 1 UNIVERSAL trial of the candidate.

What phase is ALLO-715 in?

ALLO-715 has completed a Phase 1 clinical trial and remains an investigational therapy that has not received FDA approval. The Phase 1 UNIVERSAL study evaluated safety and efficacy in adults with relapsed or refractory multiple myeloma. ALLO-715 has received Orphan Drug and Regenerative Medicine Advanced Therapy designations from the FDA.

What clinical trials is ALLO-715 in?

ALLO-715 was evaluated in the Phase 1 UNIVERSAL trial, registered as NCT04093596, titled Safety and Efficacy of ALLO-715 BCMA Allogenic CAR T Cells in Adults With Relapsed or Refractory Multiple Myeloma. The trial enrolled 73 patients in the United States and is now completed. It was an uncontrolled, non-randomized study.