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NCT00530816 · OUTCOME

Duration of Response (DOR)

Phase 2 Study of Carfilzomib in Relapsed Multiple Myeloma · 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
Patients were followed for up to 2 years after study discontinuation. The data cutoff for the analysis is 30 November 2010 for Part 1 and 22 April 2011 for Part 2.

What was measured

DOR is defined as the time from first evidence of PR or better to disease progression assessed by the IRC or death due to any cause. Patients lost to follow-up prior to disease progression or who were alive without disease progression before the analysis cutoff date were censored at the last disease assessment. Progressive disease was defined as any of the following: * An increase of M-protein in serum (absolute increase ≥ 0.5 g/dL) or urine (absolute increase ≥ 200 mg/24 hours) of \> 25% from the nadir (if not zero). * Percentage of plasma cells in bone marrow ≥ 10%. * New or increased size of bone lesions or new plasmacytomas. * Patients without measurable serum and urine M-protein: 25% increase from nadir in the difference between involved and uninvolved FLC levels and absolute increase \>10 mg/dL. * Development of hypercalcemia (corrected serum calcium \> 11.5 mg/dL) attributed solely to the proliferative disorder. Median DOR was estimated using Kaplan-Meier methods.

Analysis population: Response Evaluable Population with a response of PR or better.

Groups in this outcome

Part 1: Carfilzomib 20 mg/m²

Participants previously treated with bortezomib received carfilzomib 20 mg/m² intravenous (IV) injection on Days 1, 2, 8, 9, 15, and 16, in 28-day treatment cycles for a maximum of 12 cycles.

Part 2: Carfilzomib 20 mg/m²

Participants not previously treated with bortezomib received carfilzomib 20 mg/m² IV injection on Days 1, 2, 8, 9, 15, and 16, in 28-day treatment cycles for a maximum of 12 cycles.

Part 2: Carfilzomib 20/27 mg/m²

Participants not previously treated with bortezomib received carfilzomib 20 mg/m² IV on Days 1, 2, 8, 9, 15, and 16 of Cycle 1. If all doses were well-tolerated the dose was escalated to 27 mg/m² IV on Days 1, 2, 8, 9, 15, and 16 for subsequent cycles, for up to 12 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
Part 1: Carfilzomib 20 mg/m²6
Part 2: Carfilzomib 20 mg/m²25
Part 2: Carfilzomib 20/27 mg/m²35

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1: Carfilzomib 20 mg/m²NANot reported10.6NACould not be estimated due to the low number of events
Part 2: Carfilzomib 20 mg/m²13.1Not reported7.2NACould not be estimated due to the low number of events
Part 2: Carfilzomib 20/27 mg/m²NANot reportedNANACould not be estimated due to the low number of events
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
        10.6
        upper Limit
        NA
        value
        NA
      2. comment
        Could not be estimated due to the low number of events
        group Id
        OG001
        lower Limit
        7.2
        upper Limit
        NA
        value
        13.1
      3. comment
        Could not be estimated due to the low number of events
        group Id
        OG002
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      6
    2. group Id
      OG001
      value
      25
    3. group Id
      OG002
      value
      35
    units
    Participants
description
DOR is defined as the time from first evidence of PR or better to disease progression assessed by the IRC or death due to any cause. Patients lost to follow-up prior to disease progression or who were alive without disease progression before the analysis cutoff date were censored at the last disease assessment. Progressive disease was defined as any of the following: * An increase of M-protein in serum (absolute increase ≥ 0.5 g/dL) or urine (absolute increase ≥ 200 mg/24 hours) of \> 25% from the nadir (if not zero). * Percentage of plasma cells in bone marrow ≥ 10%. * New or increased size of bone lesions or new plasmacytomas. * Patients without measurable serum and urine M-protein: 25% increase from nadir in the difference between involved and uninvolved FLC levels and absolute increase \>10 mg/dL. * Development of hypercalcemia (corrected serum calcium \> 11.5 mg/dL) attributed solely to the proliferative disorder. Median DOR was estimated using Kaplan-Meier methods.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants previously treated with bortezomib received carfilzomib 20 mg/m² intravenous (IV) injection on Days 1, 2, 8, 9, 15, and 16, in 28-day treatment cycles for a maximum of 12 cycles.
    id
    OG000
    title
    Part 1: Carfilzomib 20 mg/m²
  2. description
    Participants not previously treated with bortezomib received carfilzomib 20 mg/m² IV injection on Days 1, 2, 8, 9, 15, and 16, in 28-day treatment cycles for a maximum of 12 cycles.
    id
    OG001
    title
    Part 2: Carfilzomib 20 mg/m²
  3. description
    Participants not previously treated with bortezomib received carfilzomib 20 mg/m² IV on Days 1, 2, 8, 9, 15, and 16 of Cycle 1. If all doses were well-tolerated the dose was escalated to 27 mg/m² IV on Days 1, 2, 8, 9, 15, and 16 for subsequent cycles, for up to 12 cycles.
    id
    OG002
    title
    Part 2: Carfilzomib 20/27 mg/m²
param Type
MEDIAN
population Description
Response Evaluable Population with a response of PR or better.
reporting Status
POSTED
time Frame
Patients were followed for up to 2 years after study discontinuation. The data cutoff for the analysis is 30 November 2010 for Part 1 and 22 April 2011 for Part 2.
title
Duration of Response (DOR)
type
SECONDARY
unit Of Measure
months

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