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NCT02907359 · OUTCOME

Time to First Response, Complete Response (CR) and Best Response

Guadecitabine (SGI-110) vs Treatment Choice in Adults With MDS or CMML Previously Treated With HMAs · Source last updated 2024-08-27

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

Measure
MEDIAN
Unit
days
Interval / dispersion
Full Range
Time frame
From study Day 1 to the earliest date that a response was first documented (up to approximately 46.6 months)

What was measured

Time to first response was the time(days) from randomization to first date when any response was achieved. Time to CR was the time(days) from randomization to first date when CR was achieved. Time to best response was the time(days) from randomization to first date when participant's best response (CR,PR,mCR or HI) was achieved. CR:BM:≤5% myeloblasts, Peripheral blood:Hgb≥11g/dL,PLTs≥100x10\^9/L,Neutrophils≥1.0x10\^9/L,Blasts 0%. PR: All CR criteria except BM blasts decreased≥50% over pretreatment but still \>5%,Cellularity,morphology not relevant. mCR: Reduction of BM blasts to≤5%; decrease ≥50% with/without normalization of peripheral counts. HI responses:1)HI-E:Hgb increase≥1.5 g/dL, Relevant reduction of RBC units transfusions by absolute≥4 RBC transfusions/8wk compared with pretreatment transfusion number previous 8wk. 2)HI-P:Absolute increase≥30x10\^9/L starting\>20x10\^9/L PLTs; Increase from≤20 to\>20x10\^9/L and by≥100% 3)HI-N:≥100% granulocyte increase, absolute increase\>0.5x10\^9/L.

Analysis population: The Efficacy Analysis Set included all participants randomly assigned to the study treatment. Overall number of participants analyzed are the number of participants with data available for analysis. 'Number Analyzed' indicates the number of participants with response.

Groups in this outcome

Guadecitabine

Participants received Guadecitabine 60 mg/m\^2, SC, on Days 1-5 of each 28-day cycle for at least 6 cycles in the absence of unacceptable toxicity or disease progression requiring alternative therapy. Participants received Guadecitabine treatment beyond 6 cycles as long as the participant continued to benefit based on investigator judgment and participant response and tolerability (or up to a maximum of 36 cycles).

Treatment Choice

Participants received one of the three treatment choice options: 1. LDAC 20 mg/m\^2 SC/IV once daily for 14 days of each 28-day cycles for at least 4 cycles in absence of disease progression or unacceptable toxicity.Participants who were responding or had stable disease were to continue treatment as per standard institutional practice. 2. Standard IC of a 7+3 regimen:Cytarabine 100-200 mg/m\^2/day given as continuous infusion for 7 days and anthracycline(daunorubicin(45-60 mg)/idarubicin(9-12 mg)/mitoxantrone(8-12 mg)/m\^2) by IV infusion for 3 days of each 28-day cycles. 3. BSC as needed during the treatment included,but was not limited to,blood transfusions(RBCs or platelets),growth factors including erythropoiesis stimulating agents,granulocyte stimulating factors,iron chelating therapy,and broad-spectrum antibiotics and/or antifungals. Duration for treatment choice was as per locally approved prescribing information and institutional standard practice or up to a maximum 30 cycles.

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

Analysis denominator · Participants

GroupSource count
Guadecitabine61
Treatment Choice21

Reported measurements

Time to First Response (CR, PR, mCR, or HI)

Analysis denominator · Participants

GroupSource count
Guadecitabine61
Treatment Choice21
Values in days · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Guadecitabine63.0Not reported28323Not reported
Treatment Choice67.0Not reported21295Not reported
Time to CR

Analysis denominator · Participants

GroupSource count
Guadecitabine4
Treatment Choice1
Values in days · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Guadecitabine91.0Not reported56106Not reported
Treatment Choice266.0Not reported266.0266.0Not reported
Time to Best Response (CR, PR, mCR, or HI)

Analysis denominator · Participants

GroupSource count
Guadecitabine61
Treatment Choice21
Values in days · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Guadecitabine64.0Not reported28469Not reported
Treatment Choice77.0Not reported23295Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        28
        upper Limit
        323
        value
        63.0
      2. group Id
        OG001
        lower Limit
        21
        upper Limit
        295
        value
        67.0
    denoms
    1. counts
      1. group Id
        OG000
        value
        61
      2. group Id
        OG001
        value
        21
      units
      Participants
    title
    Time to First Response (CR, PR, mCR, or HI)
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        56
        upper Limit
        106
        value
        91.0
      2. group Id
        OG001
        lower Limit
        266.0
        upper Limit
        266.0
        value
        266.0
    denoms
    1. counts
      1. group Id
        OG000
        value
        4
      2. group Id
        OG001
        value
        1
      units
      Participants
    title
    Time to CR
  3. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        28
        upper Limit
        469
        value
        64.0
      2. group Id
        OG001
        lower Limit
        23
        upper Limit
        295
        value
        77.0
    denoms
    1. counts
      1. group Id
        OG000
        value
        61
      2. group Id
        OG001
        value
        21
      units
      Participants
    title
    Time to Best Response (CR, PR, mCR, or HI)
denoms
  1. counts
    1. group Id
      OG000
      value
      61
    2. group Id
      OG001
      value
      21
    units
    Participants
description
Time to first response was the time(days) from randomization to first date when any response was achieved. Time to CR was the time(days) from randomization to first date when CR was achieved. Time to best response was the time(days) from randomization to first date when participant's best response (CR,PR,mCR or HI) was achieved. CR:BM:≤5% myeloblasts, Peripheral blood:Hgb≥11g/dL,PLTs≥100x10\^9/L,Neutrophils≥1.0x10\^9/L,Blasts 0%. PR: All CR criteria except BM blasts decreased≥50% over pretreatment but still \>5%,Cellularity,morphology not relevant. mCR: Reduction of BM blasts to≤5%; decrease ≥50% with/without normalization of peripheral counts. HI responses:1)HI-E:Hgb increase≥1.5 g/dL, Relevant reduction of RBC units transfusions by absolute≥4 RBC transfusions/8wk compared with pretreatment transfusion number previous 8wk. 2)HI-P:Absolute increase≥30x10\^9/L starting\>20x10\^9/L PLTs; Increase from≤20 to\>20x10\^9/L and by≥100% 3)HI-N:≥100% granulocyte increase, absolute increase\>0.5x10\^9/L.
dispersion Type
Full Range
groups
  1. description
    Participants received Guadecitabine 60 mg/m\^2, SC, on Days 1-5 of each 28-day cycle for at least 6 cycles in the absence of unacceptable toxicity or disease progression requiring alternative therapy. Participants received Guadecitabine treatment beyond 6 cycles as long as the participant continued to benefit based on investigator judgment and participant response and tolerability (or up to a maximum of 36 cycles).
    id
    OG000
    title
    Guadecitabine
  2. description
    Participants received one of the three treatment choice options: 1. LDAC 20 mg/m\^2 SC/IV once daily for 14 days of each 28-day cycles for at least 4 cycles in absence of disease progression or unacceptable toxicity.Participants who were responding or had stable disease were to continue treatment as per standard institutional practice. 2. Standard IC of a 7+3 regimen:Cytarabine 100-200 mg/m\^2/day given as continuous infusion for 7 days and anthracycline(daunorubicin(45-60 mg)/idarubicin(9-12 mg)/mitoxantrone(8-12 mg)/m\^2) by IV infusion for 3 days of each 28-day cycles. 3. BSC as needed during the treatment included,but was not limited to,blood transfusions(RBCs or platelets),growth factors including erythropoiesis stimulating agents,granulocyte stimulating factors,iron chelating therapy,and broad-spectrum antibiotics and/or antifungals. Duration for treatment choice was as per locally approved prescribing information and institutional standard practice or up to a maximum 30 cycles.
    id
    OG001
    title
    Treatment Choice
param Type
MEDIAN
population Description
The Efficacy Analysis Set included all participants randomly assigned to the study treatment. Overall number of participants analyzed are the number of participants with data available for analysis. 'Number Analyzed' indicates the number of participants with response.
reporting Status
POSTED
time Frame
From study Day 1 to the earliest date that a response was first documented (up to approximately 46.6 months)
title
Time to First Response, Complete Response (CR) and Best Response
type
SECONDARY
unit Of Measure
days

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Preserved source evidence · Not medical advice