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NCT02211014 · OUTCOME

Pharmacokinetic (PK) Parameters Calculated for Acalabrutinib: AUC0-4, AUClast, AUCINF, Cmax, Tmax, λz, t1/2, CL/F, and Vz/F. PK Parameters Calculated for Dexamethasone: Tmax, Cmax, AUC0-4 and AUClast.

An Open-Label, Phase 1b Study of Acalabrutinib With and Without Dexamethasone in Subjects With Multiple Myeloma · Source last updated 2020-07-31

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

Measure
MEAN
Unit
percentage of CV
Interval / dispersion
Standard Deviation
Time frame
On Days 1 and 22: pre-dose, and at 0.5, 0.75, 1, 2, 4, and 6 hours after the morning dose. On Days 8, 15, and 28: pre-dose and 1 hour after the morning dose.

What was measured

The plasma PK of study drug was characterized using noncompartmental analysis. PK parameters were calculated whenever possible, from plasma concentrations of acalabrutinib. Missing dates or times could have been imputed for PK and pharmacodynamic (PD) samples if the missing values could be established with an acceptable level of accuracy based on other information obtained during the visit in question. If PK and PD sampling for a 33 Final Clinical Study Report Drug Substance Acalabrutinib Study Code ACE-MY-001 Edition Number 2 Date 31 October 2018 given subject was not performed according to protocol, the subject could have been excluded from the PK and PD analyses. The PK parameters were tabulated and summarized using descriptive statistics. For each PD variable, the concentration at each assessment was described. The change from baseline to each assessment was summarized. As appropriate the on treatment values were compared with the pretreatment baseline values using paired t-tests.

Analysis population: Day 1: 24 (of 27 subjects enrolled) were equally randomized (1:1 ratio) into two cohorts to receive Acalabrutinib (12 in Cohort 1), or with dexamethasone (12 in Cohort 2). Day 22: 17 (of 24) subjects with PK data were remaining: 9 in Cohort 1 and 8 in Cohort 2. Seven subjects discontinued the study prior to Day 22.

Groups in this outcome

Cohort 1 - Day 1

Acalabrutinib 100 mg twice daily (bid) continuously

Cohort 2 - Day 1

Acalabrutinib 100 mg bid continuously and 40 mg dexamethasone once weekly

Cohort 1 - Day 22

Acalabrutinib 100 mg twice daily (bid) continuously

Cohort 2 - Day 22

Acalabrutinib 100 mg bid continuously and 40 mg dexamethasone once weekly

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

Analysis denominator · Participants

GroupSource count
Cohort 1 - Day 112
Cohort 2 - Day 112
Cohort 1 - Day 229
Cohort 2 - Day 228

Reported measurements

Cmax (ng/mL) - the maximum concentration observed
Values in percentage of CV · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Cohort 1 - Day 1524112Not reportedNot reportedNot reported
Cohort 2 - Day 143791.5Not reportedNot reportedNot reported
Cohort 1 - Day 22271103Not reportedNot reportedNot reported
Cohort 2 - Day 2260790.8Not reportedNot reportedNot reported
AUC (area under the curve)_0-4 (hr*ng/mL)
Values in percentage of CV · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Cohort 1 - Day 160472.9Not reportedNot reportedNot reported
Cohort 2 - Day 162164Not reportedNot reportedNot reported
Cohort 1 - Day 22390105Not reportedNot reportedNot reported
Cohort 2 - Day 2276660.5Not reportedNot reportedNot reported
AUC_last (hr*ng/mL)
Values in percentage of CV · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Cohort 1 - Day 163869.5Not reportedNot reportedNot reported
Cohort 2 - Day 167556.9Not reportedNot reportedNot reported
Cohort 1 - Day 22423102Not reportedNot reportedNot reported
Cohort 2 - Day 2281258.3Not reportedNot reportedNot reported
AUC_INF (infinity) (hr*ng/mL)
Values in percentage of CV · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Cohort 1 - Day 175467.8Not reportedNot reportedNot reported
Cohort 2 - Day 173263.1Not reportedNot reportedNot reported
Cohort 1 - Day 22411111Not reportedNot reportedNot reported
Cohort 2 - Day 2282662.6Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        112
        value
        524
      2. group Id
        OG001
        spread
        91.5
        value
        437
      3. group Id
        OG002
        spread
        103
        value
        271
      4. group Id
        OG003
        spread
        90.8
        value
        607
    title
    Cmax (ng/mL) - the maximum concentration observed
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        72.9
        value
        604
      2. group Id
        OG001
        spread
        64
        value
        621
      3. group Id
        OG002
        spread
        105
        value
        390
      4. group Id
        OG003
        spread
        60.5
        value
        766
    title
    AUC (area under the curve)_0-4 (hr*ng/mL)
  3. categories
    1. measurements
      1. group Id
        OG000
        spread
        69.5
        value
        638
      2. group Id
        OG001
        spread
        56.9
        value
        675
      3. group Id
        OG002
        spread
        102
        value
        423
      4. group Id
        OG003
        spread
        58.3
        value
        812
    title
    AUC_last (hr*ng/mL)
  4. categories
    1. measurements
      1. group Id
        OG000
        spread
        67.8
        value
        754
      2. group Id
        OG001
        spread
        63.1
        value
        732
      3. group Id
        OG002
        spread
        111
        value
        411
      4. group Id
        OG003
        spread
        62.6
        value
        826
    title
    AUC_INF (infinity) (hr*ng/mL)
denoms
  1. counts
    1. group Id
      OG000
      value
      12
    2. group Id
      OG001
      value
      12
    3. group Id
      OG002
      value
      9
    4. group Id
      OG003
      value
      8
    units
    Participants
description
The plasma PK of study drug was characterized using noncompartmental analysis. PK parameters were calculated whenever possible, from plasma concentrations of acalabrutinib. Missing dates or times could have been imputed for PK and pharmacodynamic (PD) samples if the missing values could be established with an acceptable level of accuracy based on other information obtained during the visit in question. If PK and PD sampling for a 33 Final Clinical Study Report Drug Substance Acalabrutinib Study Code ACE-MY-001 Edition Number 2 Date 31 October 2018 given subject was not performed according to protocol, the subject could have been excluded from the PK and PD analyses. The PK parameters were tabulated and summarized using descriptive statistics. For each PD variable, the concentration at each assessment was described. The change from baseline to each assessment was summarized. As appropriate the on treatment values were compared with the pretreatment baseline values using paired t-tests.
dispersion Type
Standard Deviation
groups
  1. description
    Acalabrutinib 100 mg twice daily (bid) continuously
    id
    OG000
    title
    Cohort 1 - Day 1
  2. description
    Acalabrutinib 100 mg bid continuously and 40 mg dexamethasone once weekly
    id
    OG001
    title
    Cohort 2 - Day 1
  3. description
    Acalabrutinib 100 mg twice daily (bid) continuously
    id
    OG002
    title
    Cohort 1 - Day 22
  4. description
    Acalabrutinib 100 mg bid continuously and 40 mg dexamethasone once weekly
    id
    OG003
    title
    Cohort 2 - Day 22
param Type
MEAN
population Description
Day 1: 24 (of 27 subjects enrolled) were equally randomized (1:1 ratio) into two cohorts to receive Acalabrutinib (12 in Cohort 1), or with dexamethasone (12 in Cohort 2). Day 22: 17 (of 24) subjects with PK data were remaining: 9 in Cohort 1 and 8 in Cohort 2. Seven subjects discontinued the study prior to Day 22.
reporting Status
POSTED
time Frame
On Days 1 and 22: pre-dose, and at 0.5, 0.75, 1, 2, 4, and 6 hours after the morning dose. On Days 8, 15, and 28: pre-dose and 1 hour after the morning dose.
title
Pharmacokinetic (PK) Parameters Calculated for Acalabrutinib: AUC0-4, AUClast, AUCINF, Cmax, Tmax, λz, t1/2, CL/F, and Vz/F. PK Parameters Calculated for Dexamethasone: Tmax, Cmax, AUC0-4 and AUClast.
type
SECONDARY
unit Of Measure
percentage of CV

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Preserved source evidence · Not medical advice