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NCT02281084 · OUTCOME

Overall Response Rate Based on the Modified International Working Group (IWG) 2006 Response Criteria for Myelodysplastic Syndrome (MDS)

Safety and Efficacy Study of CC-486 in Subjects With Myelodysplastic Syndromes · Source last updated 2024-10-04

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
Response was assessed every 2 cycles following treatment during the first 6 cycles, then every 3 cycles thereafter; median duration of treatment = 5.26 and 3.81 months for SD/PD for oral AZA arms respectively, and 1.84 months for AZA and Durva SD/PD arms

What was measured

The overall response rate (ORR) was defined as the percentage of participants who achieved an objective response including: hematologic improvement (HI), partial remission (PR), complete remission (CR), or marrow complete remission (mCR). Hematologic response was defined as: • CR: ≤ 5% myeloblasts with normal maturation of all cell lines; peripheral blood (PB) shows: hemoglobin ≥11 g/dL, neutrophils ≥1.0x10\^9/L, platelets ≥100x10\^9/dL, blasts (0%) • PR: same as CR bone marrow (BM) shows blasts decreased by ≥ 50% over pre-treatment but still \> 5%; cellularity and morphology not relevant • mCR: BM: ≤ 5% myeloblasts and decrease by ≥ 50% over pre-treatment PB, PB: if HI responses, noted in addition to mCR • HI: HI erythroid response (HI-E); HI neutrophil response (HI-N) ; HI platelet response (HI-P)

Analysis population: The intent-to-treat (ITT) population included all enrolled participants who received at least one dose of investigational product (IP).

Groups in this outcome

Stable Disease (SD) Cohort: Oral Azacitidine

Participants were given oral azacitidine (AZA) 100 mg, 150 mg, or 200 mg tablets twice daily (BID) on days 1 to 21 of each 28-day treatment cycle. Participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.

Progressive Disease (PD) Cohort: Oral Azacitidine

Participants were given oral azacitidine 100 mg, 150mg, or 200mg tablets BID on days 1 to 21 of each 28-day treatment cycle. Participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.

Stable Disease Cohort: Oral Azacitidine and Durvalumab

Participants received 100 mg oral azacitidine (AZA) tablets BID on days 1 to 14 or days 1 to 21 of each 28-day treatment cycle and durvalumab (Durva) 1500 mg by intravenous infusion on day 1 of each 28-day treatment cycle; participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.

Progressive Disease Cohort: Oral Azacitidine and Durvalumab

Participants received 100 mg oral azacitidine tablets BID on days 1 to 14 or days 1 to 21 of each 28-day treatment cycle and durvalumab 1500 mg by intravenous infusion on day 1 of each 28-day treatment cycle; participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.

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

Analysis denominator · Participants

GroupSource count
Stable Disease (SD) Cohort: Oral Azacitidine32
Progressive Disease (PD) Cohort: Oral Azacitidine22
Stable Disease Cohort: Oral Azacitidine and Durvalumab6
Progressive Disease Cohort: Oral Azacitidine and Durvalumab5

Reported measurements

Source class 1
Values in Percentage of Participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Stable Disease (SD) Cohort: Oral Azacitidine6.3Not reported0.820.8Not reported
Progressive Disease (PD) Cohort: Oral Azacitidine4.5Not reported0.122.8Not reported
Stable Disease Cohort: Oral Azacitidine and Durvalumab16.7Not reported0.464.1Not reported
Progressive Disease Cohort: Oral Azacitidine and Durvalumab0Not reportedNANACould not be estimated as there were 0 responders.
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.8
        upper Limit
        20.8
        value
        6.3
      2. group Id
        OG001
        lower Limit
        0.1
        upper Limit
        22.8
        value
        4.5
      3. group Id
        OG002
        lower Limit
        0.4
        upper Limit
        64.1
        value
        16.7
      4. comment
        Could not be estimated as there were 0 responders.
        group Id
        OG003
        lower Limit
        NA
        upper Limit
        NA
        value
        0
denoms
  1. counts
    1. group Id
      OG000
      value
      32
    2. group Id
      OG001
      value
      22
    3. group Id
      OG002
      value
      6
    4. group Id
      OG003
      value
      5
    units
    Participants
description
The overall response rate (ORR) was defined as the percentage of participants who achieved an objective response including: hematologic improvement (HI), partial remission (PR), complete remission (CR), or marrow complete remission (mCR). Hematologic response was defined as: • CR: ≤ 5% myeloblasts with normal maturation of all cell lines; peripheral blood (PB) shows: hemoglobin ≥11 g/dL, neutrophils ≥1.0x10\^9/L, platelets ≥100x10\^9/dL, blasts (0%) • PR: same as CR bone marrow (BM) shows blasts decreased by ≥ 50% over pre-treatment but still \> 5%; cellularity and morphology not relevant • mCR: BM: ≤ 5% myeloblasts and decrease by ≥ 50% over pre-treatment PB, PB: if HI responses, noted in addition to mCR • HI: HI erythroid response (HI-E); HI neutrophil response (HI-N) ; HI platelet response (HI-P)
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants were given oral azacitidine (AZA) 100 mg, 150 mg, or 200 mg tablets twice daily (BID) on days 1 to 21 of each 28-day treatment cycle. Participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.
    id
    OG000
    title
    Stable Disease (SD) Cohort: Oral Azacitidine
  2. description
    Participants were given oral azacitidine 100 mg, 150mg, or 200mg tablets BID on days 1 to 21 of each 28-day treatment cycle. Participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.
    id
    OG001
    title
    Progressive Disease (PD) Cohort: Oral Azacitidine
  3. description
    Participants received 100 mg oral azacitidine (AZA) tablets BID on days 1 to 14 or days 1 to 21 of each 28-day treatment cycle and durvalumab (Durva) 1500 mg by intravenous infusion on day 1 of each 28-day treatment cycle; participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.
    id
    OG002
    title
    Stable Disease Cohort: Oral Azacitidine and Durvalumab
  4. description
    Participants received 100 mg oral azacitidine tablets BID on days 1 to 14 or days 1 to 21 of each 28-day treatment cycle and durvalumab 1500 mg by intravenous infusion on day 1 of each 28-day treatment cycle; participants continued to receive their assigned study treatment unless disease progression, unacceptable toxicity, lost to follow-up or withdrawal by participant occurred.
    id
    OG003
    title
    Progressive Disease Cohort: Oral Azacitidine and Durvalumab
param Type
NUMBER
population Description
The intent-to-treat (ITT) population included all enrolled participants who received at least one dose of investigational product (IP).
reporting Status
POSTED
time Frame
Response was assessed every 2 cycles following treatment during the first 6 cycles, then every 3 cycles thereafter; median duration of treatment = 5.26 and 3.81 months for SD/PD for oral AZA arms respectively, and 1.84 months for AZA and Durva SD/PD arms
title
Overall Response Rate Based on the Modified International Working Group (IWG) 2006 Response Criteria for Myelodysplastic Syndrome (MDS)
type
PRIMARY
unit Of Measure
Percentage of Participants

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Preserved source evidence · Not medical advice