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NCT03110562 · OUTCOME

SVd/Vd Arm: Progression-free Survival (PFS) as Assessed by Independent Review Committee (IRC)

Bortezomib, Selinexor, and Dexamethasone in Patients With Multiple Myeloma · Source last updated 2024-08-21

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
From date of randomization until IRC-confirmed documented PD or death, censored date, whichever occurred first (up to 33 months)

What was measured

PFS was defined as time from date of randomization until the first date of IRC-confirmed PD, per International Myeloma Working Group (IMWG) response criteria, or death due to any cause, whichever occurs first. PD included increase of 25% from lowest confirmed response value in 1 or more of the following criteria: a) serum M-protein with absolute increase of \>= 0.5 gram per deciliter (g/dL); b) serum M-protein increase \>= 1 g/dL if the lowest M-component was \>=5 g/dL; c) urine M-protein (absolute increase must be \>= 200 mg per 24 hours); d) in participants without measurable serum and urine M-protein levels: the difference between involved and uninvolved free light chain (FLC) levels (absolute increase must be greater than \[\>\] 10 mg/dL); e) in participants without measurable serum and urine M-protein levels and without measurable involved FLC levels: bone marrow plasma cell percentage irrespective of baseline status (absolute increase must be \>=10%).

Analysis population: ITT population consisted of all participants who were randomized to the study treatment, regardless of whether or not they received the study treatment. Data was not planned to be reported for SVdx arm and Sdx arm.

Groups in this outcome

SVd Arm: Selinexor + Bortezomib + Dexamethasone

Participants received a fixed oral dose of 100 mg selinexor tablets (5 tablets of 20 mg each) QW on Days 1, 8, 15, 22, and 29 of each 35-day cycle, along with SC injection of 1.3 mg/m\^2 bortezomib QW on Days 1, 8, 15, and 22 of each 35-day cycle, and an oral dose of 20 mg of dexamethasone BIW on Days 1, 2, 8, 9, 15, 16, 22, 23, 29, and 30 of each 35-day cycle until PD confirmed by the IRC, investigator or participant decision to discontinue study treatment, pregnancy, unacceptable AEs or toxicity that could not be managed by supportive care, withdrawal of consent, death, or sponsor decision to terminate the study.

Vd Arm: Bortezomib + Dexamethasone

Participants received SC injection of 1.3 mg/m\^2 bortezomib on Days 1, 4, 8, and 11 of each 21-day cycle for the first 8 cycles, followed by \>= 9 cycles on Days 1, 8, 15, and 22 of each 35-day cycle, and received oral dose of 20 mg dexamethasone BIW on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day cycle for the first 8 cycles and for cycles \>= 9 on Days 1, 2, 8, 9, 15, 16, 22, 23, 29, and 30 of each 35-day cycle until PD confirmed by the IRC, investigator or participant decision to discontinue study treatment, pregnancy, unacceptable AEs or toxicity that could not be managed by supportive care, withdrawal of consent, death, or sponsor decision to terminate the study.

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

Analysis denominator · Participants

GroupSource count
SVd Arm: Selinexor + Bortezomib + Dexamethasone195
Vd Arm: Bortezomib + Dexamethasone207

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
SVd Arm: Selinexor + Bortezomib + Dexamethasone13.93Not reported11.73NAUpper limit of 95% CI was not estimable due to low number of events.
Vd Arm: Bortezomib + Dexamethasone9.46Not reported8.1110.78Not reported

Source statistical analyses

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

  1. ci Lower Limit
    0.5279
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.9335
    estimate Comment
    Based on stratified Cox Proportional Hazard model with Efron's Method of handling ties.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.0075
    p Value Comment
    One Sided P-value
    param Type
    Hazard Ratio (HR)
    param Value
    0.7020
    statistical Comment
    Stratified for prior PI therapies, number of prior of anti-MM regimens and R-ISS Stage at screening.
    statistical Method
    Stratified Log-rank Test
Complete source fields
analyses
  1. ci Lower Limit
    0.5279
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.9335
    estimate Comment
    Based on stratified Cox Proportional Hazard model with Efron's Method of handling ties.
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    SUPERIORITY
    p Value
    0.0075
    p Value Comment
    One Sided P-value
    param Type
    Hazard Ratio (HR)
    param Value
    0.7020
    statistical Comment
    Stratified for prior PI therapies, number of prior of anti-MM regimens and R-ISS Stage at screening.
    statistical Method
    Stratified Log-rank Test
classes
  1. categories
    1. measurements
      1. comment
        Upper limit of 95% CI was not estimable due to low number of events.
        group Id
        OG000
        lower Limit
        11.73
        upper Limit
        NA
        value
        13.93
      2. group Id
        OG001
        lower Limit
        8.11
        upper Limit
        10.78
        value
        9.46
denoms
  1. counts
    1. group Id
      OG000
      value
      195
    2. group Id
      OG001
      value
      207
    units
    Participants
description
PFS was defined as time from date of randomization until the first date of IRC-confirmed PD, per International Myeloma Working Group (IMWG) response criteria, or death due to any cause, whichever occurs first. PD included increase of 25% from lowest confirmed response value in 1 or more of the following criteria: a) serum M-protein with absolute increase of \>= 0.5 gram per deciliter (g/dL); b) serum M-protein increase \>= 1 g/dL if the lowest M-component was \>=5 g/dL; c) urine M-protein (absolute increase must be \>= 200 mg per 24 hours); d) in participants without measurable serum and urine M-protein levels: the difference between involved and uninvolved free light chain (FLC) levels (absolute increase must be greater than \[\>\] 10 mg/dL); e) in participants without measurable serum and urine M-protein levels and without measurable involved FLC levels: bone marrow plasma cell percentage irrespective of baseline status (absolute increase must be \>=10%).
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received a fixed oral dose of 100 mg selinexor tablets (5 tablets of 20 mg each) QW on Days 1, 8, 15, 22, and 29 of each 35-day cycle, along with SC injection of 1.3 mg/m\^2 bortezomib QW on Days 1, 8, 15, and 22 of each 35-day cycle, and an oral dose of 20 mg of dexamethasone BIW on Days 1, 2, 8, 9, 15, 16, 22, 23, 29, and 30 of each 35-day cycle until PD confirmed by the IRC, investigator or participant decision to discontinue study treatment, pregnancy, unacceptable AEs or toxicity that could not be managed by supportive care, withdrawal of consent, death, or sponsor decision to terminate the study.
    id
    OG000
    title
    SVd Arm: Selinexor + Bortezomib + Dexamethasone
  2. description
    Participants received SC injection of 1.3 mg/m\^2 bortezomib on Days 1, 4, 8, and 11 of each 21-day cycle for the first 8 cycles, followed by \>= 9 cycles on Days 1, 8, 15, and 22 of each 35-day cycle, and received oral dose of 20 mg dexamethasone BIW on Days 1, 2, 4, 5, 8, 9, 11, and 12 of each 21-day cycle for the first 8 cycles and for cycles \>= 9 on Days 1, 2, 8, 9, 15, 16, 22, 23, 29, and 30 of each 35-day cycle until PD confirmed by the IRC, investigator or participant decision to discontinue study treatment, pregnancy, unacceptable AEs or toxicity that could not be managed by supportive care, withdrawal of consent, death, or sponsor decision to terminate the study.
    id
    OG001
    title
    Vd Arm: Bortezomib + Dexamethasone
param Type
MEDIAN
population Description
ITT population consisted of all participants who were randomized to the study treatment, regardless of whether or not they received the study treatment. Data was not planned to be reported for SVdx arm and Sdx arm.
reporting Status
POSTED
time Frame
From date of randomization until IRC-confirmed documented PD or death, censored date, whichever occurred first (up to 33 months)
title
SVd/Vd Arm: Progression-free Survival (PFS) as Assessed by Independent Review Committee (IRC)
type
PRIMARY
unit Of Measure
Months

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