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NCT03306264 · OUTCOME

MDS/CMML: Percentage of Participants With Complete Response (CR), Marrow CR (mCR), Partial Response (PR), Hematologic Improvement (HI) Based on International Working Group (IWG) 2006 Myelodysplastic Syndromes (MDS) Response Criteria

Study of ASTX727 vs IV Decitabine in Participants With MDS, CMML, and AML · 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
NUMBER
Unit
percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
Up to approximately 2.7 years

What was measured

CR: normal peripheral, persistent granulocyte count ≥1.0x10\^9/liter(L), platelet ≥100x10\^9/L, Hemoglobin (Hgb) ≥11g/dL, normal bone marrow with persistent marrow blasts ≤5%. mCR: reduction of bone marrow blasts to≤5%, decrease by 50% or more with/without normalization of peripheral counts.PR: normal peripheral counts, granulocyte count ≥1.0x10\^9/L, platelet count ≥100x10\^9/L, Hgb ≥11 g/dL, normal bone marrow, marrow blasts \>5%, reduced by 50% or more for at least 4 weeks. HI: HI-E: Hb increase ≥1.5 g/dL in absence of RBC transfusions. HI-P: Absolute increase of platelet count from \<20 to \>20X10\^9/L by at least 100%,if more than 20x10\^9/L, by absolute increase of at least 30x10\^9/L in absence of platelet transfusions. HI-N: granulocyte increase ≥100%, by an absolute increase ≥0.5x10\^9/L for at least 8 weeks. Percentage of participants with CR, mCR, PR, and HI based on IWG 2003 MDS response criteria are reported. Response has been reported based on participants with MDS or CMML.

Analysis population: Efficacy Analysis Set included all participants who received any amount of study treatment.

Groups in this outcome

MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX727

Participants with MDS received ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days), followed by IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.

MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX727

Participants with MDS received IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days) followed by ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.

CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX727

Participants with CMML received ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days), followed by IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.

CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX727

Participants with CMML received IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days) followed by ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from 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
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX72761
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72756
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7275
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72711

Reported measurements

Complete Response (CR)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX72726.2Not reported15.839.1Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72719.6Not reported10.232.4Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72718.2Not reported2.351.8Not reported
Marrow Complete Response (mCR)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX72729.5Not reported18.542.6Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72730.4Not reported18.844.1Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX72740.0Not reported5.385.3Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX72754.5Not reported23.483.3Not reported
Partial Response (PR)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7270Not reported00Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7270Not reported00Not reported
HI: Erythroid Response (HI-E)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7271.8Not reported0.09.6Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX72720.0Not reported0.571.6Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7270Not reported00Not reported
HI: Platelet Response (HI-P)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7273.3Not reported0.411.3Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7278.9Not reported3.019.6Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7270Not reported00Not reported
HI: Neutrophil Response (HI-N)
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7270Not reported00Not reported
CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX7270Not reported00Not reported
CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX7279.1Not reported0.241.3Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        15.8
        upper Limit
        39.1
        value
        26.2
      2. group Id
        OG001
        lower Limit
        10.2
        upper Limit
        32.4
        value
        19.6
      3. group Id
        OG002
        lower Limit
        0
        upper Limit
        0
        value
        0
      4. group Id
        OG003
        lower Limit
        2.3
        upper Limit
        51.8
        value
        18.2
    title
    Complete Response (CR)
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        18.5
        upper Limit
        42.6
        value
        29.5
      2. group Id
        OG001
        lower Limit
        18.8
        upper Limit
        44.1
        value
        30.4
      3. group Id
        OG002
        lower Limit
        5.3
        upper Limit
        85.3
        value
        40.0
      4. group Id
        OG003
        lower Limit
        23.4
        upper Limit
        83.3
        value
        54.5
    title
    Marrow Complete Response (mCR)
  3. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0
        upper Limit
        0
        value
        0
      2. group Id
        OG001
        lower Limit
        0
        upper Limit
        0
        value
        0
      3. group Id
        OG002
        lower Limit
        0
        upper Limit
        0
        value
        0
      4. group Id
        OG003
        lower Limit
        0
        upper Limit
        0
        value
        0
    title
    Partial Response (PR)
  4. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0
        upper Limit
        0
        value
        0
      2. group Id
        OG001
        lower Limit
        0.0
        upper Limit
        9.6
        value
        1.8
      3. group Id
        OG002
        lower Limit
        0.5
        upper Limit
        71.6
        value
        20.0
      4. group Id
        OG003
        lower Limit
        0
        upper Limit
        0
        value
        0
    title
    HI: Erythroid Response (HI-E)
  5. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.4
        upper Limit
        11.3
        value
        3.3
      2. group Id
        OG001
        lower Limit
        3.0
        upper Limit
        19.6
        value
        8.9
      3. group Id
        OG002
        lower Limit
        0
        upper Limit
        0
        value
        0
      4. group Id
        OG003
        lower Limit
        0
        upper Limit
        0
        value
        0
    title
    HI: Platelet Response (HI-P)
  6. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0
        upper Limit
        0
        value
        0
      2. group Id
        OG001
        lower Limit
        0
        upper Limit
        0
        value
        0
      3. group Id
        OG002
        lower Limit
        0
        upper Limit
        0
        value
        0
      4. group Id
        OG003
        lower Limit
        0.2
        upper Limit
        41.3
        value
        9.1
    title
    HI: Neutrophil Response (HI-N)
denoms
  1. counts
    1. group Id
      OG000
      value
      61
    2. group Id
      OG001
      value
      56
    3. group Id
      OG002
      value
      5
    4. group Id
      OG003
      value
      11
    units
    Participants
description
CR: normal peripheral, persistent granulocyte count ≥1.0x10\^9/liter(L), platelet ≥100x10\^9/L, Hemoglobin (Hgb) ≥11g/dL, normal bone marrow with persistent marrow blasts ≤5%. mCR: reduction of bone marrow blasts to≤5%, decrease by 50% or more with/without normalization of peripheral counts.PR: normal peripheral counts, granulocyte count ≥1.0x10\^9/L, platelet count ≥100x10\^9/L, Hgb ≥11 g/dL, normal bone marrow, marrow blasts \>5%, reduced by 50% or more for at least 4 weeks. HI: HI-E: Hb increase ≥1.5 g/dL in absence of RBC transfusions. HI-P: Absolute increase of platelet count from \<20 to \>20X10\^9/L by at least 100%,if more than 20x10\^9/L, by absolute increase of at least 30x10\^9/L in absence of platelet transfusions. HI-N: granulocyte increase ≥100%, by an absolute increase ≥0.5x10\^9/L for at least 8 weeks. Percentage of participants with CR, mCR, PR, and HI based on IWG 2003 MDS response criteria are reported. Response has been reported based on participants with MDS or CMML.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with MDS received ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days), followed by IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.
    id
    OG000
    title
    MDS: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX727
  2. description
    Participants with MDS received IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days) followed by ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.
    id
    OG001
    title
    MDS: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX727
  3. description
    Participants with CMML received ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days), followed by IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.
    id
    OG002
    title
    CMML: Sequence A: First ASTX727, Then IV Decitabine, Then ASTX727
  4. description
    Participants with CMML received IV infusion of decitabine 20 mg/m\^2, once daily, on Days 1 to 5 in cycle 1 (each cycle = 28 days) followed by ASTX727 tablet, containing the fixed-dose combination of 35 mg decitabine and 100 mg cedazuridine, orally, once daily, on Days 1 to 5 in cycle 2. A washout period of 23 days was maintained between the 2 cycles. From cycle 3, all participants enrolled in cycles 1 and 2 received ASTX727 tablet, once daily, on Days 1 to 5 of each 28-day cycle until disease progression, unacceptable toxicity, treatment discontinuation for other reasons, or withdrawal from the study.
    id
    OG003
    title
    CMML: Sequence B: First IV Decitabine, Then ASTX727, Then ASTX727
param Type
NUMBER
population Description
Efficacy Analysis Set included all participants who received any amount of study treatment.
reporting Status
POSTED
time Frame
Up to approximately 2.7 years
title
MDS/CMML: Percentage of Participants With Complete Response (CR), Marrow CR (mCR), Partial Response (PR), Hematologic Improvement (HI) Based on International Working Group (IWG) 2006 Myelodysplastic Syndromes (MDS) Response Criteria
type
SECONDARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice