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NCT06956170 · OUTCOME

Progression-Free Survival (PFS)

All Japanese Population: Belantamab Mafodotin Plus Pomalidomide and Dexamethasone (Pd) Versus Bortezomib Plus Pd in Relapsed/Refractory Multiple Myeloma · Source last updated 2026-06-12

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
95% Confidence Interval
Time frame
Up to approximately 120 weeks

What was measured

PFS is defined as time from randomization until earliest date of disease progression (PD), determined by Independent Review Committee (IRC), according to the International Myeloma Working Group (IMWG) Response Criteria, or death due to any cause. PD is defined as increase of \>=25% from lowest value in \>=1 of following (serum M-protein \[absolute increase \>=0.5 grams per deciliter {g/dL}\]; serum M-protein increase \>=1g/dL \[when lowest M-protein \>=5g/dL\]; urine M-protein \[absolute increase \>=200 milligrams per 24 hours {mg/24h}\]; participants without measurable serum \& urine M-protein levels, difference between involved \& uninvolved serum free light chains (sFLC) levels \[absolute increase \>10mg/dL\]; appearance of new lesion,\>=50% increase from nadir in Sum of the products of the maximal perpendicular diameters of measured lesions (SPD) of \>1 lesion, or \>=50% increase in longest diameter of previous lesion \>1 centimeter (cm) in short axis.

Analysis population: Intent-to-Treat (ITT) Population included all randomized participants whether or not randomized treatment was administered.

Groups in this outcome

Belantamab Mafodotin+Pomalidomide+Dexamethasone

Japanese participants with Relapsed/Refractory Multiple Myeloma (RRMM) received intravenous (IV) infusion of 2.5 milligram (mg)/kilogram (kg) belantamab mafodotin on Day 1 of Cycle 1 and 1.9 mg/kg on Day 1 of Cycle 2 onwards in each 28-day cycle, in combination with oral 4 mg per day Pomalidomide capsule on Days 1 to 21 of each 28-day cycle; and oral 40 mg per day Dexamethasone tablet on Days 1, 8, 15, and 22 of each 28-day cycle until disease progression, death, unacceptable toxicity, withdrawal of consent, initiation of another anti-myeloma therapy or end of study, whichever occurs first.

Bortezomib + Pomalidomide + Dexamethasone

Japanese participants with RRMM received subcutaneous (SC) injection of 1.3 mg/meter\^2(m\^2) Bortezomib on Days 1, 4, 8, 11, of each 21-day cycle for Cycles 1 through 8, and on Days 1, 8, of each 21-day cycle for Cycles 9+ in combination with oral 4 mg per day Pomalidomide capsule on Days 1 to 14 of each 21-day cycle, and oral 20 mg Dexamethasone tablet on Days 1, 2, 4, 5, 8, 9, 11, 12, of each 21-day cycle for Cycles 1 through 8 and then on Days 1, 2, 8, 9, every 3 Weeks (Q3W) from Cycles 9 onwards until disease progression, death, unacceptable toxicity, withdrawal of consent, initiation of another anti-myeloma therapy or end of study, whichever occurs first.

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

Analysis denominator · Participants

GroupSource count
Belantamab Mafodotin+Pomalidomide+Dexamethasone10
Bortezomib + Pomalidomide + Dexamethasone11

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Belantamab Mafodotin+Pomalidomide+DexamethasoneNANot reported0.2NAThe median and upper limit of 95% Confidence Interval were not estimable due to an insufficient number of participants with events within the length of follow-up in assessing the number of events.
Bortezomib + Pomalidomide + Dexamethasone14.8Not reported1.9NAThe upper limit of 95% Confidence Interval was not estimable due to an insufficient number of participants with events within the length of follow-up in assessing the number of events.

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. ci Lower Limit
    0.10
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    2.78
    estimate Comment
    Hazard ratio was estimated using an unstratified Cox Proportional Hazard model with treatment arm as an explanatory variable.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    param Type
    Hazard Ratio (HR)
    param Value
    0.53
Complete source fields
analyses
  1. ci Lower Limit
    0.10
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    2.78
    estimate Comment
    Hazard ratio was estimated using an unstratified Cox Proportional Hazard model with treatment arm as an explanatory variable.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    param Type
    Hazard Ratio (HR)
    param Value
    0.53
classes
  1. categories
    1. measurements
      1. comment
        The median and upper limit of 95% Confidence Interval were not estimable due to an insufficient number of participants with events within the length of follow-up in assessing the number of events.
        group Id
        OG000
        lower Limit
        0.2
        upper Limit
        NA
        value
        NA
      2. comment
        The upper limit of 95% Confidence Interval was not estimable due to an insufficient number of participants with events within the length of follow-up in assessing the number of events.
        group Id
        OG001
        lower Limit
        1.9
        upper Limit
        NA
        value
        14.8
denoms
  1. counts
    1. group Id
      OG000
      value
      10
    2. group Id
      OG001
      value
      11
    units
    Participants
description
PFS is defined as time from randomization until earliest date of disease progression (PD), determined by Independent Review Committee (IRC), according to the International Myeloma Working Group (IMWG) Response Criteria, or death due to any cause. PD is defined as increase of \>=25% from lowest value in \>=1 of following (serum M-protein \[absolute increase \>=0.5 grams per deciliter {g/dL}\]; serum M-protein increase \>=1g/dL \[when lowest M-protein \>=5g/dL\]; urine M-protein \[absolute increase \>=200 milligrams per 24 hours {mg/24h}\]; participants without measurable serum \& urine M-protein levels, difference between involved \& uninvolved serum free light chains (sFLC) levels \[absolute increase \>10mg/dL\]; appearance of new lesion,\>=50% increase from nadir in Sum of the products of the maximal perpendicular diameters of measured lesions (SPD) of \>1 lesion, or \>=50% increase in longest diameter of previous lesion \>1 centimeter (cm) in short axis.
dispersion Type
95% Confidence Interval
groups
  1. description
    Japanese participants with Relapsed/Refractory Multiple Myeloma (RRMM) received intravenous (IV) infusion of 2.5 milligram (mg)/kilogram (kg) belantamab mafodotin on Day 1 of Cycle 1 and 1.9 mg/kg on Day 1 of Cycle 2 onwards in each 28-day cycle, in combination with oral 4 mg per day Pomalidomide capsule on Days 1 to 21 of each 28-day cycle; and oral 40 mg per day Dexamethasone tablet on Days 1, 8, 15, and 22 of each 28-day cycle until disease progression, death, unacceptable toxicity, withdrawal of consent, initiation of another anti-myeloma therapy or end of study, whichever occurs first.
    id
    OG000
    title
    Belantamab Mafodotin+Pomalidomide+Dexamethasone
  2. description
    Japanese participants with RRMM received subcutaneous (SC) injection of 1.3 mg/meter\^2(m\^2) Bortezomib on Days 1, 4, 8, 11, of each 21-day cycle for Cycles 1 through 8, and on Days 1, 8, of each 21-day cycle for Cycles 9+ in combination with oral 4 mg per day Pomalidomide capsule on Days 1 to 14 of each 21-day cycle, and oral 20 mg Dexamethasone tablet on Days 1, 2, 4, 5, 8, 9, 11, 12, of each 21-day cycle for Cycles 1 through 8 and then on Days 1, 2, 8, 9, every 3 Weeks (Q3W) from Cycles 9 onwards until disease progression, death, unacceptable toxicity, withdrawal of consent, initiation of another anti-myeloma therapy or end of study, whichever occurs first.
    id
    OG001
    title
    Bortezomib + Pomalidomide + Dexamethasone
param Type
MEDIAN
population Description
Intent-to-Treat (ITT) Population included all randomized participants whether or not randomized treatment was administered.
reporting Status
POSTED
time Frame
Up to approximately 120 weeks
title
Progression-Free Survival (PFS)
type
PRIMARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice