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NCT02103478 · OUTCOME

Time to Maximum Observed Plasma Concentration (Tmax) of Cedazuridine (E7727) and Cedazuridine-epimer

Pharmacokinetic Guided Dose Escalation and Dose Confirmation With Oral Decitabine and Oral Cytidine Deaminase Inhibitor (CDAi) in Patients With Myelodysplastic Syndromes (MDS) · 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
hours
Interval / dispersion
Full Range
Time frame
At specific timepoints from 0 to 24 hours post-dose

What was measured

Tmax is the time to maximum observed plasma concentration. PK parameters are reported for the dose escalation stage by cohort in Phase 1 and the dose confirmation and fixed-dose combination stages in Phase 2.

Analysis population: Participants with evaluable PK measurements are included.

Groups in this outcome

Phase 1 Dose Escalation Cohort 1

Cohort 1 was administered 40 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).

Phase 1 Dose Escalation Cohort 2

Cohort 2 was administered 60 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).

Phase 1 Dose Escalation Cohort 3

Cohort 3 was administered 100 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).

Phase 1 Dose Escalation Cohort 4

Cohort 4 was administered 100 mg oral cedazuridine and 40 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).

Phase 1 Dose Escalation Cohort 5

Cohort 5 was administered 100 mg oral cedazuridine and 30 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).

Phase 2 Dose Confirmation

Participants were randomized in a 1:1 ratio to receive either oral cedazuridine (100 mg) + decitabine (35 mg) capsules Dailyx5 in Course 1 followed by IV decitabine (20 mg/m\^2) Dailyx5 in Course 2 (28 days per course) or the converse. In Courses ≥ 3, all participants received cedazuridine and decitabine capsules Dailyx5 in 28-day courses until disease progression, unacceptable toxicity, withdrawal of consent or withdrawal from the study.

Phase 2 Fixed-Dose Combination

Participants were randomized in a 1:1 ratio to receive either the fixed-dose combination (FDC) tablet (100 mg cedazuridine/35 mg decitabine) Dailyx5 in Course 1 followed by IV decitabine (20 mg/m\^2) Dailyx5 in Course 2 (28 days per course) or the converse. In Courses ≥ 3, all participants received the FDC tablet Dailyx5 in 28-day courses until disease progression, unacceptable toxicity, withdrawal of consent 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
Phase 1 Dose Escalation Cohort 16
Phase 1 Dose Escalation Cohort 26
Phase 1 Dose Escalation Cohort 36
Phase 1 Dose Escalation Cohort 46
Phase 1 Dose Escalation Cohort 519
Phase 2 Dose Confirmation47
Phase 2 Fixed-Dose Combination30

Reported measurements

Cedazuridine

Analysis denominator · Participants

GroupSource count
Phase 1 Dose Escalation Cohort 16
Phase 1 Dose Escalation Cohort 26
Phase 1 Dose Escalation Cohort 36
Phase 1 Dose Escalation Cohort 46
Phase 1 Dose Escalation Cohort 519
Phase 2 Dose Confirmation47
Phase 2 Fixed-Dose Combination29
Values in hours · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Phase 1 Dose Escalation Cohort 13Not reported24Not reported
Phase 1 Dose Escalation Cohort 23Not reported24Not reported
Phase 1 Dose Escalation Cohort 33Not reported34Not reported
Phase 1 Dose Escalation Cohort 43Not reported26Not reported
Phase 1 Dose Escalation Cohort 53Not reported26Not reported
Phase 2 Dose Confirmation3Not reported1.504.08Not reported
Phase 2 Fixed-Dose Combination3Not reported2.007.18Not reported
Cedazuridine-epimer

Analysis denominator · Participants

GroupSource count
Phase 1 Dose Escalation Cohort 16
Phase 1 Dose Escalation Cohort 26
Phase 1 Dose Escalation Cohort 36
Phase 1 Dose Escalation Cohort 46
Phase 1 Dose Escalation Cohort 519
Phase 2 Dose Confirmation47
Phase 2 Fixed-Dose Combination29
Values in hours · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Phase 1 Dose Escalation Cohort 13Not reported24Not reported
Phase 1 Dose Escalation Cohort 23Not reported23Not reported
Phase 1 Dose Escalation Cohort 33Not reported34Not reported
Phase 1 Dose Escalation Cohort 43Not reported26Not reported
Phase 1 Dose Escalation Cohort 53Not reported26Not reported
Phase 2 Dose Confirmation3Not reported1.506.17Not reported
Phase 2 Fixed-Dose Combination3.05Not reported2.007.20Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        2
        upper Limit
        4
        value
        3
      2. group Id
        OG001
        lower Limit
        2
        upper Limit
        4
        value
        3
      3. group Id
        OG002
        lower Limit
        3
        upper Limit
        4
        value
        3
      4. group Id
        OG003
        lower Limit
        2
        upper Limit
        6
        value
        3
      5. group Id
        OG004
        lower Limit
        2
        upper Limit
        6
        value
        3
      6. group Id
        OG005
        lower Limit
        1.50
        upper Limit
        4.08
        value
        3
      7. group Id
        OG006
        lower Limit
        2.00
        upper Limit
        7.18
        value
        3
    denoms
    1. counts
      1. group Id
        OG000
        value
        6
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        6
      4. group Id
        OG003
        value
        6
      5. group Id
        OG004
        value
        19
      6. group Id
        OG005
        value
        47
      7. group Id
        OG006
        value
        29
      units
      Participants
    title
    Cedazuridine
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        2
        upper Limit
        4
        value
        3
      2. group Id
        OG001
        lower Limit
        2
        upper Limit
        3
        value
        3
      3. group Id
        OG002
        lower Limit
        3
        upper Limit
        4
        value
        3
      4. group Id
        OG003
        lower Limit
        2
        upper Limit
        6
        value
        3
      5. group Id
        OG004
        lower Limit
        2
        upper Limit
        6
        value
        3
      6. group Id
        OG005
        lower Limit
        1.50
        upper Limit
        6.17
        value
        3
      7. group Id
        OG006
        lower Limit
        2.00
        upper Limit
        7.20
        value
        3.05
    denoms
    1. counts
      1. group Id
        OG000
        value
        6
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        6
      4. group Id
        OG003
        value
        6
      5. group Id
        OG004
        value
        19
      6. group Id
        OG005
        value
        47
      7. group Id
        OG006
        value
        29
      units
      Participants
    title
    Cedazuridine-epimer
denoms
  1. counts
    1. group Id
      OG000
      value
      6
    2. group Id
      OG001
      value
      6
    3. group Id
      OG002
      value
      6
    4. group Id
      OG003
      value
      6
    5. group Id
      OG004
      value
      19
    6. group Id
      OG005
      value
      47
    7. group Id
      OG006
      value
      30
    units
    Participants
description
Tmax is the time to maximum observed plasma concentration. PK parameters are reported for the dose escalation stage by cohort in Phase 1 and the dose confirmation and fixed-dose combination stages in Phase 2.
dispersion Type
Full Range
groups
  1. description
    Cohort 1 was administered 40 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).
    id
    OG000
    title
    Phase 1 Dose Escalation Cohort 1
  2. description
    Cohort 2 was administered 60 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).
    id
    OG001
    title
    Phase 1 Dose Escalation Cohort 2
  3. description
    Cohort 3 was administered 100 mg oral cedazuridine and 20 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).
    id
    OG002
    title
    Phase 1 Dose Escalation Cohort 3
  4. description
    Cohort 4 was administered 100 mg oral cedazuridine and 40 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).
    id
    OG003
    title
    Phase 1 Dose Escalation Cohort 4
  5. description
    Cohort 5 was administered 100 mg oral cedazuridine and 30 mg oral decitabine. Participants were enrolled into successive cohorts in which either the cedazuridine or decitabine oral dose was varied in Course 1 Day 2 through Course 1 Day 5 for comparison with a single dose of IV decitabine at 20 mg/m\^2 administered on Day 1 by continuous IV infusion over 1 hour (28 days per course).
    id
    OG004
    title
    Phase 1 Dose Escalation Cohort 5
  6. description
    Participants were randomized in a 1:1 ratio to receive either oral cedazuridine (100 mg) + decitabine (35 mg) capsules Dailyx5 in Course 1 followed by IV decitabine (20 mg/m\^2) Dailyx5 in Course 2 (28 days per course) or the converse. In Courses ≥ 3, all participants received cedazuridine and decitabine capsules Dailyx5 in 28-day courses until disease progression, unacceptable toxicity, withdrawal of consent or withdrawal from the study.
    id
    OG005
    title
    Phase 2 Dose Confirmation
  7. description
    Participants were randomized in a 1:1 ratio to receive either the fixed-dose combination (FDC) tablet (100 mg cedazuridine/35 mg decitabine) Dailyx5 in Course 1 followed by IV decitabine (20 mg/m\^2) Dailyx5 in Course 2 (28 days per course) or the converse. In Courses ≥ 3, all participants received the FDC tablet Dailyx5 in 28-day courses until disease progression, unacceptable toxicity, withdrawal of consent or withdrawal from the study.
    id
    OG006
    title
    Phase 2 Fixed-Dose Combination
param Type
MEDIAN
population Description
Participants with evaluable PK measurements are included.
reporting Status
POSTED
time Frame
At specific timepoints from 0 to 24 hours post-dose
title
Time to Maximum Observed Plasma Concentration (Tmax) of Cedazuridine (E7727) and Cedazuridine-epimer
type
SECONDARY
unit Of Measure
hours

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Preserved source evidence · Not medical advice