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FT522

Phase 1

Relapsed/Refractory B-Cell Lymphoma | Small molecule | Oncology |Fate Therapeutics, Inc.|Last Updated: Aug 22, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment20
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05950334FT522 With Rituximab in Relapsed/Refractory B-Cell Lymphoma (FT522-101)PHASE1 COMPLETED 20Nov 16, 2023Jun 30, 2025Aug 22, 20257 United States
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Study Endpoints
Primary Endpoints
Number of participants with dose limiting toxicities (DLTs)
From Day 1 through Day 29 of Cycle 1

The number of participants experiencing ≥1 DLT will be reported.

Severity of DLTs
From Day 1 through Day 29 of Cycle 1

The severity of DLTs will be determined according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE, v5.0).

Secondary Endpoints
Overall Response Rate (ORR)
Up to approximately 24 months
Duration of Response (DOR)
Up to approximately 18 months
Duration of Complete Response (DOCR)
Up to approximately 18 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Regimen AEXPERIMENTALParticipants receive FT522 in combination with rituximab (or a rituximab biosimilar approved by a local health authority) with chemotherapy.
Regimen BEXPERIMENTALParticipants receive FT522 in combination with rituximab (or a rituximab biosimilar approved by a local health authority) without chemotherapy.
Interventions
NameTypeDescription
FT522DRUGFT522 drug product is administered as an intravenous infusion on Days 1, 4 and 8 of a treatment cycle.
RituximabDRUGRituximab will be administered as an IV infusion on Day -4 of the treatment cycle.
CyclophosphamideDRUGCyclophosphamide will be administered as an IV infusion at a dose of 500 mg/m\^2 on Day -5, Day -4, and Day -3 of the treatment cycle.
FludarabineDRUGFludarabine will be administered as an IV infusion at a dose of 30 mg/m\^2 on Day -5, Day -4, and Day -3 of the treatment cycle.
BendamustineDRUGBendamustine will be administered as an IV infusion at a dose of 90 mg/m\^2 on Day -5 and Day -4 of the treatment cycle. Bendamustine may be administered as an alternative to cyclophosphamide/fludarabine.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Diagnosis of B-cell lymphoma (BCL) as: (1) histologically documented lymphomas expected to express CD19 and CD20, including Grades 1 to 3B follicular lymphoma (FL), marginal zone lymphoma (MZL), Waldenstrom macroglobulinemia (WM), mantle cell lymphoma (MCL), transformed indole...

Countries:United States
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Competitive Landscape -Cutaneous T-Cell Lymphoma 4 trials