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IMGN632

Phase 1

Acute Myeloid Leukemia | Small molecule | Oncology |AbbVie Inc.|Last Updated: Aug 14, 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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment218
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04086264IMGN632 as Monotherapy or With Venetoclax and/or Azacitidine for Participants With CD123-Positive Acute Myeloid LeukemiaPHASE1 ACTIVE NOT_RECRUITING 218Nov 6, 2019Feb 1, 2027Aug 14, 202529 United States, France +4
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Study Endpoints
Primary Endpoints
Safety and Tolerability
approximately 3 years

Evaluate the safety and tolerability and identify an RP2D of IMGN632 when administered in combination with azacitidine, with venetoclax, and with azacitidine and venetoclax in patients with relapsed or refractory CD123-positive AML through review of Treatment Emergent Adverse Events and abnormal laboratory values that result in a failure to meet the criteria for re-treatment.

Preliminary antileukemia activity
approximately 20 months

Assess preliminary antileukemia activity of IMGN632 when administered as a monotherapy in MRD+ Fit and MRD + Unfit AML patient populations, and in combination with azacitidine, with venetoclax, and with azacitidine and venetoclax in patients with relapsed or untreated AML as assessed by complete response, complete remission with partial hematologic recovery, complete remission with incomplete platelet recovery, morphologic leukemia-free state, partial response, and duration of remission.

Minimal Residual Disease Levels
approximately 18 months

Assess Minimal Residual Disease Levels using central flow cytometry-based testing.

Secondary Endpoints
Number of Participants with Treatment-Emergent Adverse Events (TEAEs) (Dose Expansion Phase)
Up to approximately 12 months
Study Drug Concentration (Dose Escalation and Expansion)
Up to approximately 12 months
Anti-drug Antibody Concentration (Dose Escalation and Expansion)
Up to approximately 12 months
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Regimen A (Closed to Enrollment)EXPERIMENTALIMGN632, administered intravenously on Day 7 of a 28 day cycle at 0.015 mg/kg, 0.045 mg/kg, or 0.09 mg/kg, in combination with azacitidine, administered subcutaneously or intravenously daily at 75 mg/m2 on Days 1 to 7 of a 28 day cycle. Cycle 1 azacitidine dose in subsequent cohorts may be reduced.
Regimen B (Closed to Enrollment)EXPERIMENTALIMGN632, administered intravenously on Day 7 of a 21 day cycle at 0.015 mg/kg, 0.045 mg/kg, or 0.09 mg/kg, in combination with venetoclax, administered orally daily at 100 mg on Day 1, 200mg on Day 2, and 400 mg on the day 3 up to Day 21 of a 21 day cycle. Alternate schedules with reduced venetoclax administration may be explored.
Regimen C-Frontline&Relapsed/Refractory(Closed to Enrollment)EXPERIMENTALIMGN632, administered intravenously on Day 7 of a 28 day cycle at 0.015 mg/kg or 0.045 mg/ kg, in combination with azacitidine, administered subcutaneously or intravenously daily at 35-75 mg/ m2 given for Days 1 to 7 of a 28 day cycle and venetoclax, administered orally daily at 100 mg on Day 1, 200mg on Day 2, and 400 mg on Day 3 up to Day 28 of a 28 day cycle. Alternate schedules with reduced venetoclax administration or reduced azacitidine dose or administration may be explored.
Regimen D (Closed to Enrollment)EXPERIMENTALIMGN632, administered intravenously on Day 1 of a 21 day cycle at 0.045 mg/kg, as a monotherapy for Fit and Unfit MRD+ patients.
Interventions
NameTypeDescription
AzacitidineDRUGCommercially available formulation given subcutaneously (SC) or intravenous (IV)
IMGN632DRUGStudy formulation given intravenously (IV)
VenetoclaxDRUGCommercially available formulation administered orally
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites29

Inclusion Criteria: * Patient must be ≥ 18 years of age. * Patients must have confirmed diagnosis of AML (excluding acute promyelocytic leukemia) based on World Health Organization classification (Arber 2016). * Disease characteristics and allowable prior therapy: * Patients must be evaluated fo...

Countries:United StatesFranceGermanyItalySpainUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04086264primaryCompletionDate: changed
LOWMay 24, 2026NCT04086264studyFirstPostDate: changed