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NCT02303821 · OUTCOME

Phase 1b: Area Under the Curve (AUC) From Time 0 to the Last Quantifiable Timepoint (AUClast) of Carfilzomib

Study of Carfilzomib in Combination With Induction Chemotherapy in Children With Relapsed or Refractory Acute Lymphoblastic Leukemia · Source last updated 2025-06-04

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

Measure
MEAN
Unit
hr*ng/mL
Interval / dispersion
Standard Deviation
Time frame
Lead-in Cycle Day 1 (7-day cycle) and Induction Cycle Day 8 (28-day cycle): pre-dose, 15m after the start of infusion, immediately (within 2m) before the EOI, EOI, 10m, 30m, 1h, 2 h, and 4h post-dose

What was measured

The PK parameter estimates for carfilzomib were estimated from plasma concentration-time profiles using standard noncompartmental approaches over the complete sampling interval.

Analysis population: Phase 1b PK Analysis Set: All participants who received the study treatment regimen during the lead-in cycle and induction cycles, and had available data. Phase 1b Dose Escalation 2 arms did not have a 1-week lead-in cycle.

Groups in this outcome

Phase 1b: Dose Escalation 1 (20 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 in combination with R3 IV for approximately 9 weeks (1-week lead-in window, 28-day induction cycle, and 28-day optional consolidation cycle).

Phase 1b: Dose Escalation 1 (20/27 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 27 mg/m\^2 dose in combination with R3 IV for approximately 9 weeks (1-week lead-in window, 28-day induction cycle, and 28-day optional consolidation cycle).

Phase 1b: Dose Escalation 2 (20/27 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 27 mg/m\^2 dose in combination with VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).

Phase 1b: Dose Escalation 2 (20/36 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 36 mg/m\^2 dose in combination with VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).

Phase 1b: Dose Escalation 2 (20/45 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 45 mg/m\^2 dose in combination VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).

Phase 1b: Dose Escalation 2 (20/56 mg/m^2)

Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 56 mg/m\^2 dose in combination VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).

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 1b: Dose Escalation 1 (20 mg/m^2)5
Phase 1b: Dose Escalation 1 (20/27 mg/m^2)6
Phase 1b: Dose Escalation 2 (20/27 mg/m^2)3
Phase 1b: Dose Escalation 2 (20/36 mg/m^2)6
Phase 1b: Dose Escalation 2 (20/45 mg/m^2)3
Phase 1b: Dose Escalation 2 (20/56 mg/m^2)9

Reported measurements

Dose Escalation 1 - Lead in Cycle Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b: Dose Escalation 1 (20 mg/m^2)5
Phase 1b: Dose Escalation 1 (20/27 mg/m^2)6
Phase 1b: Dose Escalation 2 (20/27 mg/m^2)0
Phase 1b: Dose Escalation 2 (20/36 mg/m^2)0
Phase 1b: Dose Escalation 2 (20/45 mg/m^2)0
Phase 1b: Dose Escalation 2 (20/56 mg/m^2)0
Values in hr*ng/mL · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Phase 1b: Dose Escalation 1 (20 mg/m^2)387125Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 1 (20/27 mg/m^2)240113Not reportedNot reportedNot reported
Induction Cycle Day 8

Analysis denominator · Participants

GroupSource count
Phase 1b: Dose Escalation 1 (20 mg/m^2)5
Phase 1b: Dose Escalation 1 (20/27 mg/m^2)4
Phase 1b: Dose Escalation 2 (20/27 mg/m^2)3
Phase 1b: Dose Escalation 2 (20/36 mg/m^2)6
Phase 1b: Dose Escalation 2 (20/45 mg/m^2)3
Phase 1b: Dose Escalation 2 (20/56 mg/m^2)9
Values in hr*ng/mL · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Phase 1b: Dose Escalation 1 (20 mg/m^2)361160Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 1 (20/27 mg/m^2)374273Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 2 (20/27 mg/m^2)214155Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 2 (20/36 mg/m^2)529210Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 2 (20/45 mg/m^2)829479Not reportedNot reportedNot reported
Phase 1b: Dose Escalation 2 (20/56 mg/m^2)40006370Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        125
        value
        387
      2. group Id
        OG001
        spread
        113
        value
        240
    denoms
    1. counts
      1. group Id
        OG000
        value
        5
      2. group Id
        OG001
        value
        6
      3. group Id
        OG002
        value
        0
      4. group Id
        OG003
        value
        0
      5. group Id
        OG004
        value
        0
      6. group Id
        OG005
        value
        0
      units
      Participants
    title
    Dose Escalation 1 - Lead in Cycle Day 1
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        160
        value
        361
      2. group Id
        OG001
        spread
        273
        value
        374
      3. group Id
        OG002
        spread
        155
        value
        214
      4. group Id
        OG003
        spread
        210
        value
        529
      5. group Id
        OG004
        spread
        479
        value
        829
      6. group Id
        OG005
        spread
        6370
        value
        4000
    denoms
    1. counts
      1. group Id
        OG000
        value
        5
      2. group Id
        OG001
        value
        4
      3. group Id
        OG002
        value
        3
      4. group Id
        OG003
        value
        6
      5. group Id
        OG004
        value
        3
      6. group Id
        OG005
        value
        9
      units
      Participants
    title
    Induction Cycle Day 8
denoms
  1. counts
    1. group Id
      OG000
      value
      5
    2. group Id
      OG001
      value
      6
    3. group Id
      OG002
      value
      3
    4. group Id
      OG003
      value
      6
    5. group Id
      OG004
      value
      3
    6. group Id
      OG005
      value
      9
    units
    Participants
description
The PK parameter estimates for carfilzomib were estimated from plasma concentration-time profiles using standard noncompartmental approaches over the complete sampling interval.
dispersion Type
Standard Deviation
groups
  1. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 in combination with R3 IV for approximately 9 weeks (1-week lead-in window, 28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG000
    title
    Phase 1b: Dose Escalation 1 (20 mg/m^2)
  2. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 27 mg/m\^2 dose in combination with R3 IV for approximately 9 weeks (1-week lead-in window, 28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG001
    title
    Phase 1b: Dose Escalation 1 (20/27 mg/m^2)
  3. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 27 mg/m\^2 dose in combination with VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG002
    title
    Phase 1b: Dose Escalation 2 (20/27 mg/m^2)
  4. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 36 mg/m\^2 dose in combination with VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG003
    title
    Phase 1b: Dose Escalation 2 (20/36 mg/m^2)
  5. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 45 mg/m\^2 dose in combination VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG004
    title
    Phase 1b: Dose Escalation 2 (20/45 mg/m^2)
  6. description
    Participants with relapsed or refractory ALL received carfilzomib 20 mg/m\^2 for the first dose, followed by the target 56 mg/m\^2 dose in combination VXLD IV for approximately 8 weeks (28-day induction cycle, and 28-day optional consolidation cycle).
    id
    OG005
    title
    Phase 1b: Dose Escalation 2 (20/56 mg/m^2)
param Type
MEAN
population Description
Phase 1b PK Analysis Set: All participants who received the study treatment regimen during the lead-in cycle and induction cycles, and had available data. Phase 1b Dose Escalation 2 arms did not have a 1-week lead-in cycle.
reporting Status
POSTED
time Frame
Lead-in Cycle Day 1 (7-day cycle) and Induction Cycle Day 8 (28-day cycle): pre-dose, 15m after the start of infusion, immediately (within 2m) before the EOI, EOI, 10m, 30m, 1h, 2 h, and 4h post-dose
title
Phase 1b: Area Under the Curve (AUC) From Time 0 to the Last Quantifiable Timepoint (AUClast) of Carfilzomib
type
SECONDARY
unit Of Measure
hr*ng/mL

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