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NCT04798586 · OUTCOME

Time to Response (TTR)

MAGNETISMM-2: Study of Elranatamab (PF-06863135) in Japanese Participants With Multiple Myeloma · Source last updated 2024-09-27

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
Full Range
Time frame
From date of first dose to the first documentation of objective response that is subsequently confirmed (maximum of 65.1 weeks of treatment)

What was measured

TTR was defined for participants with confirmed objective response (sCR,CR,VGPR and PR) as the time from first date of study intervention to the date of first documentation of objective response. sCR: CR and normal sFLC ratio with absence of clonal cells in BMB/BMA by immunohistochemistry, immunofluorescence or flow cytometry.CR: negative immunofixation on serum and urine,disappearance of soft tissue plasmacytoma, \<5% plasma cells in BMA, if disease measured by sFLC only,preceding criteria plus normal sFLC ratio.VGPR:Serum and urine M-protein detectable by immunofixation but not on electrophoresis; or \>=90% reduction in serum and urine M-protein level \<100mg/24h.PR:\>=50% reduction in serum M-protein and reduction in 24h urinary M-protein by \>=90% or \<200 mg/24h.If serum and urine M-protein unmeasurable,VGPR \& PR: \>=90%,\>=50% decrease in difference respectively between involved and uninvolved sFLC levels,if present at baseline,\>=90%, \>=50% reduction in soft tissue plasmacytomas' size.

Analysis population: SAS included all enrolled participants who received at least 1 dose of study intervention. Here, 'Overall Number of Participants Analyzed' signifies participants evaluable for this outcome measure.

Groups in this outcome

Elranatamab

Participants received an initial priming dose of 600 microgram per kilogram elranatamab subcutaneously on Cycle 0 Day 1 (7 days prior to Cycle 1 Day 1). During treatment cycle, participants were administered 1000 microgram per kilogram elranatamab weekly during each cycle (each cycle was of 3 weeks).

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

Analysis denominator · Participants

GroupSource count
Elranatamab2

Reported measurements

Source class 1
Values in Months · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Elranatamab1.396Not reported1.181.61Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        1.18
        upper Limit
        1.61
        value
        1.396
denoms
  1. counts
    1. group Id
      OG000
      value
      2
    units
    Participants
description
TTR was defined for participants with confirmed objective response (sCR,CR,VGPR and PR) as the time from first date of study intervention to the date of first documentation of objective response. sCR: CR and normal sFLC ratio with absence of clonal cells in BMB/BMA by immunohistochemistry, immunofluorescence or flow cytometry.CR: negative immunofixation on serum and urine,disappearance of soft tissue plasmacytoma, \<5% plasma cells in BMA, if disease measured by sFLC only,preceding criteria plus normal sFLC ratio.VGPR:Serum and urine M-protein detectable by immunofixation but not on electrophoresis; or \>=90% reduction in serum and urine M-protein level \<100mg/24h.PR:\>=50% reduction in serum M-protein and reduction in 24h urinary M-protein by \>=90% or \<200 mg/24h.If serum and urine M-protein unmeasurable,VGPR \& PR: \>=90%,\>=50% decrease in difference respectively between involved and uninvolved sFLC levels,if present at baseline,\>=90%, \>=50% reduction in soft tissue plasmacytomas' size.
dispersion Type
Full Range
groups
  1. description
    Participants received an initial priming dose of 600 microgram per kilogram elranatamab subcutaneously on Cycle 0 Day 1 (7 days prior to Cycle 1 Day 1). During treatment cycle, participants were administered 1000 microgram per kilogram elranatamab weekly during each cycle (each cycle was of 3 weeks).
    id
    OG000
    title
    Elranatamab
param Type
MEDIAN
population Description
SAS included all enrolled participants who received at least 1 dose of study intervention. Here, 'Overall Number of Participants Analyzed' signifies participants evaluable for this outcome measure.
reporting Status
POSTED
time Frame
From date of first dose to the first documentation of objective response that is subsequently confirmed (maximum of 65.1 weeks of treatment)
title
Time to Response (TTR)
type
SECONDARY
unit Of Measure
Months

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

Preserved source evidence · Not medical advice