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NCT00721734 · OUTCOME

Duration of Response

Study of the Safety and Pharmacokinetics of Carfilzomib in Patients With Relapsed and Refractory Multiple Myeloma and Varying Degrees of Renal Function · Source last updated 2017-05-02

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

Measure
MEDIAN
Unit
months
Interval / dispersion
95% Confidence Interval
Time frame
Participants were followed for disease progression for up to 2 years.

What was measured

Duration of Response is defined as the time from first evidence of PR or better to confirmation of disease progression or death. Progressive disease was defined as any of the following: * An increase of more than 25% from nadir in any one of the following: * M-protein in serum (the absolute increase had to be ≥ 0.5 g/dL); * Urine (the absolute increase had to be ≥ 200 mg/24 hours); * The difference between involved and uninvolved sFLC (the absolute increase in the concentration of involved light chain had to be \> 10 mg/dL); * ≥ 10% bone marrow infiltration by plasma cells; * Increased size of pre-existing bone lesions or plasmacytomas or new bone lesions or plasmacytomas. Median duration of response was estimated using the Kaplan-Meier method.

Analysis population: Response Evaluable Population with a best overall response of sCR, CR, VGPR, or PR.

Groups in this outcome

Carfilzomib - Normal RF

Participants with normal renal function (RF; defined as 24-hour urine creatinine clearance (CrCL) \> 80 mL/minute) received carfilzomib, 15 mg/m², administered intravenously (IV) on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.

Carfilzomib - Mild RI

Participants with mild renal impairment (RI; CrCL between 50-80 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.

Carfilzomib - Moderate RI

Participants with moderate renal impairment (CrCL between 30-49 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.

Carfilzomib - Severe RI

Participants with severe renal impairment (CrCL \< 30 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.

Carfilzomib - Dialysis

Participants undergoing chronic hemodialysis received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.

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

Analysis denominator · Participants

GroupSource count
Carfilzomib - Normal RF2
Carfilzomib - Mild RI3
Carfilzomib - Moderate RI2
Carfilzomib - Severe RI2
Carfilzomib - Dialysis3

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Carfilzomib - Normal RFNANot reported2.0NACould not be estimated due to the low number of events
Carfilzomib - Mild RINANot reported4.2NACould not be estimated due to the low number of events
Carfilzomib - Moderate RI14.8Not reported2.327.4Not reported
Carfilzomib - Severe RINANot reported7.9NACould not be estimated due to the low number of events
Carfilzomib - Dialysis7.9Not reported6.58.5Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Could not be estimated due to the low number of events
        group Id
        OG000
        lower Limit
        2.0
        upper Limit
        NA
        value
        NA
      2. comment
        Could not be estimated due to the low number of events
        group Id
        OG001
        lower Limit
        4.2
        upper Limit
        NA
        value
        NA
      3. group Id
        OG002
        lower Limit
        2.3
        upper Limit
        27.4
        value
        14.8
      4. comment
        Could not be estimated due to the low number of events
        group Id
        OG003
        lower Limit
        7.9
        upper Limit
        NA
        value
        NA
      5. group Id
        OG004
        lower Limit
        6.5
        upper Limit
        8.5
        value
        7.9
denoms
  1. counts
    1. group Id
      OG000
      value
      2
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      2
    4. group Id
      OG003
      value
      2
    5. group Id
      OG004
      value
      3
    units
    Participants
description
Duration of Response is defined as the time from first evidence of PR or better to confirmation of disease progression or death. Progressive disease was defined as any of the following: * An increase of more than 25% from nadir in any one of the following: * M-protein in serum (the absolute increase had to be ≥ 0.5 g/dL); * Urine (the absolute increase had to be ≥ 200 mg/24 hours); * The difference between involved and uninvolved sFLC (the absolute increase in the concentration of involved light chain had to be \> 10 mg/dL); * ≥ 10% bone marrow infiltration by plasma cells; * Increased size of pre-existing bone lesions or plasmacytomas or new bone lesions or plasmacytomas. Median duration of response was estimated using the Kaplan-Meier method.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with normal renal function (RF; defined as 24-hour urine creatinine clearance (CrCL) \> 80 mL/minute) received carfilzomib, 15 mg/m², administered intravenously (IV) on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.
    id
    OG000
    title
    Carfilzomib - Normal RF
  2. description
    Participants with mild renal impairment (RI; CrCL between 50-80 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.
    id
    OG001
    title
    Carfilzomib - Mild RI
  3. description
    Participants with moderate renal impairment (CrCL between 30-49 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.
    id
    OG002
    title
    Carfilzomib - Moderate RI
  4. description
    Participants with severe renal impairment (CrCL \< 30 mL/minute) received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.
    id
    OG003
    title
    Carfilzomib - Severe RI
  5. description
    Participants undergoing chronic hemodialysis received carfilzomib, 15 mg/m², administered intravenously on Days 1, 2, 8, 9, 15, and 16 of repeated 28-day cycles for a maximum of 12 cycles. If the 15 mg/m² dose was tolerated the dose could be increased to 20 mg/m² starting at Cycle 2. If 20 mg/m² was tolerated, an additional dose escalation to 27 mg/m² was allowed at Cycle 3 or at subsequent cycles.
    id
    OG004
    title
    Carfilzomib - Dialysis
param Type
MEDIAN
population Description
Response Evaluable Population with a best overall response of sCR, CR, VGPR, or PR.
reporting Status
POSTED
time Frame
Participants were followed for disease progression for up to 2 years.
title
Duration of Response
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice