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FT819

Phase 2

Lupus Nephritis | Monoclonal antibody | Immunology |Fate Therapeutics, Inc.|Last Updated: May 11, 2026

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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment53
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07570862A Phase 2, Open-Label, Single-Arm Trial of FT819 in Participants With Lupus NephritisPHASE2 NOT YET_RECRUITING 53Jul 1, 2026Jan 31, 2030May 11, 2026 -
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Study Endpoints
Primary Endpoints
Complete Renal Response (CRR) at Week 26
Week 26

Proportion of participants achieving CRR at Week 26, with CRR defined as the achievement of all of the following criteria: * UPCR \<0.5 g/g * Estimated glomerular filtration rate (eGFR) ≥85% of baseline or ≥60 mL/min/1.73 m2 * No use of rescue therapy

Secondary Endpoints
CRR at Week 52
Week 52
CRR at Week 104
Week 104
Overall Renal Response
Up to approximately 2 years
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
FT819EXPERIMENTALFT819, allogeneic T cells derived from a clonal, TCR knockout iPSC line that express CD19-targeted CAR regulated by the TRAC locus, given as a single IV infusion
Interventions
NameTypeDescription
FT819BIOLOGICALSingle Intravenous (IV) infusion of FT819 administered on Day 1
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Eligibility Criteria
Age Range12 Years — 70 Years
SexALL
Healthy VolunteersNo

INCLUSION CRITERIA: * Age ≥12 to ≤70 years * Diagnosis of SLE per EULAR/ACR 2019 classification criteria * Biopsy-proven proliferative Class III or IV LN, with or without concomitant Class V involvement, based on the 2003/2018 ISN/RPS classification * Positivity for at least one of the following au...

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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07570862primaryCompletionDate: changed
LOWMay 24, 2026NCT07570862studyFirstPostDate: changed
LOWMay 21, 2026NCT07570862NEW_TRIAL: changed
LOWMay 21, 2026NCT07570862NEW_TRIAL: changed