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EGFRt/19-28z/4-1BBL CAR T cells

Phase 1

Chronic Lymphocytic Leukemia (CLL) | Monoclonal antibody | Oncology |Bristol-Myers Squibb Company|Last Updated: Apr 7, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment39
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03085173A Trial of "Armored" CAR T Cells Targeting CD19 For Patients With Relapsed CD19+ Hematologic MalignanciesPHASE1 ACTIVE NOT_RECRUITING 39Mar 15, 2017Mar 1, 2027Apr 7, 20261 United States
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Study Endpoints
Primary Endpoints
Maximum tolerated dose (MTD)
occurring within 30 days from the last infusion

Cohorts of 3-6 patients each will be treated with escalating doses of modified T cell. At least 3 patients will be treated at each dose level with an accrual of no more than 2 patients per month within each dose level. At least two weeks will elapse from the first patient's T cell infusions before the second patient is treated (on dose level 1) to allow for toxicity and safely assessment. All patients treated at the preceding dose level will be observed a minimum of 4 weeks before dose escalation occurs.

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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
EGFRt/19-28z/4-1BBL CAR T cellsEXPERIMENTALFollowing enrollment, patients will undergo leukapheresis of peripheral blood for further T cell enrichment, activation and genetic modification using a retroviral vector encoding a CD19targeted CAR, the co-stimulatory ligand 4-1BBL and the EGFRt safety system (EGFRt/19-28z/4-1BBL). These T cells will be expanded and after the appropriate number of cells is generated, the modified T cells may be infused fresh or frozen for later use according to standard operation procedures. Modified T cell infusions will be administered 2-7 days following completion of the treating investigator's choice of conditioning chemotherapy. Serial sampling of blood and bone marrow will be performed following treatment to assess toxicity, therapeutic effects, and survival of the genetically modified T cells.
Interventions
NameTypeDescription
EGFRt/19-28z/4-1BBL CAR T cellsBIOLOGICALCohorts of 3-6 patients will be infused with escalating doses of EGFRt/19-28z/4-1BBL CAR T cells to establish the maximum tolerated dose (MTD). There are 4 planned dose levels: 1 x 10\^5, 3 x 10\^5, 1 x 10\^6, and 3 x 10\^6 CAR T cells/kg.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Patients must have CD19+ B cell malignancy with relapsed or refractory disease, defined as below: Patients with CLL: * Refractory to or relapsed after at least 2 prior chemo or chemoimmunotherapy (e.g. FCR, BR) requiring further treatment * Refactory to or relapsed after at ...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT03085173primaryCompletionDate: changed
LOWMay 24, 2026NCT03085173studyFirstPostDate: changed