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NCT05090566 · OUTCOME

SSB: Number of Participants With DLTs- Phase 1b

MagnetisMM-4: Umbrella Study of Elranatamab (PF-06863135) in Combination With Anti-Cancer Treatments in Multiple Myeloma · Source last updated 2026-04-24

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
From Cycle 0 Day 1 through Cycle 1 Day 28 (approximately up to 42 days)

What was measured

Hematological: G4 neutropenia \>5 days; febrile neutropenia; G\>=3 neutropenia with infection; G4 thrombocytopenia; G3 thrombocytopenia with G\>=2 bleeding. Non-hematological: G\>=4 AEs; G3 CRS (except CRS events: not been maximally treated or improved to grade \<=1 within 48 hours); G3 AEs (except: AEs attributed to CRS, G3 nausea, vomiting and diarrhea that improve to G2\<=72 hours after maximal medical management has been initiated, G3 fatigue \< 1 week); confirmed drug-induced liver injury meeting Hy's law criteria; G 3-4 laboratory abnormalities (except: not associated with clinical sequelae and improve to G=\<2 within 72 hours); Other clinically important/persistent AEs (that cause significant dose delay/reduction) may be DLT; G3 injection site reaction. CTCAE version 5.0: G1: Mild AE, G2: Moderate, G3: Severe, G4: Life-threatening consequences; urgent intervention indicated, G5: Death related to AE.

Analysis population: DLT evaluable analysis set included all enrolled participants who received at least 1 dose of the study intervention in the Phase 1b part of the study and either experience DLT(s) or complete the DLT observation period without DLT. Participants without DLTs who received less than the minimum requirement of the planned doses of each IP were not evaluable for DLTs.

Groups in this outcome

SSB, Phase 1b: Elranatamab + Lenalidomide + Dexamethasone, Dose Level 1

Participants with RRMM received elranatamab 12 mg SC on Cycle 0 Day 1 (7 days prior to Cycle 1 Day 1) and 32 mg on Cycle 0 Day 4 (3 days prior to Cycle 1 Day 1) \[priming dose\] and 44 mg on Cycle 0 Day 8 and thereafter 44 mg weekly during each cycle (1 cycle = 4 weeks) and Lenalidomide 15 mg QD for 21 days and Dexamethasone 20 mg weekly on Cycle 1 and 2.

Group identifiers and denominators belong to this outcome only. They may differ in another outcome or in safety reporting.

Analysis denominator · Participants

GroupSource count
SSB, Phase 1b: Elranatamab + Lenalidomide + Dexamethasone, Dose Level 18

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
SSB, Phase 1b: Elranatamab + Lenalidomide + Dexamethasone, Dose Level 13Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        3
denoms
  1. counts
    1. group Id
      OG000
      value
      8
    units
    Participants
description
Hematological: G4 neutropenia \>5 days; febrile neutropenia; G\>=3 neutropenia with infection; G4 thrombocytopenia; G3 thrombocytopenia with G\>=2 bleeding. Non-hematological: G\>=4 AEs; G3 CRS (except CRS events: not been maximally treated or improved to grade \<=1 within 48 hours); G3 AEs (except: AEs attributed to CRS, G3 nausea, vomiting and diarrhea that improve to G2\<=72 hours after maximal medical management has been initiated, G3 fatigue \< 1 week); confirmed drug-induced liver injury meeting Hy's law criteria; G 3-4 laboratory abnormalities (except: not associated with clinical sequelae and improve to G=\<2 within 72 hours); Other clinically important/persistent AEs (that cause significant dose delay/reduction) may be DLT; G3 injection site reaction. CTCAE version 5.0: G1: Mild AE, G2: Moderate, G3: Severe, G4: Life-threatening consequences; urgent intervention indicated, G5: Death related to AE.
groups
  1. description
    Participants with RRMM received elranatamab 12 mg SC on Cycle 0 Day 1 (7 days prior to Cycle 1 Day 1) and 32 mg on Cycle 0 Day 4 (3 days prior to Cycle 1 Day 1) \[priming dose\] and 44 mg on Cycle 0 Day 8 and thereafter 44 mg weekly during each cycle (1 cycle = 4 weeks) and Lenalidomide 15 mg QD for 21 days and Dexamethasone 20 mg weekly on Cycle 1 and 2.
    id
    OG000
    title
    SSB, Phase 1b: Elranatamab + Lenalidomide + Dexamethasone, Dose Level 1
param Type
COUNT_OF_PARTICIPANTS
population Description
DLT evaluable analysis set included all enrolled participants who received at least 1 dose of the study intervention in the Phase 1b part of the study and either experience DLT(s) or complete the DLT observation period without DLT. Participants without DLTs who received less than the minimum requirement of the planned doses of each IP were not evaluable for DLTs.
reporting Status
POSTED
time Frame
From Cycle 0 Day 1 through Cycle 1 Day 28 (approximately up to 42 days)
title
SSB: Number of Participants With DLTs- Phase 1b
type
PRIMARY
unit Of Measure
Participants

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice