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NCT00530816 · OUTCOME

Best Overall Response Rate (ORR) in the Response Evaluable Subset Population

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
NUMBER
Unit
percentage of participants
Interval / dispersion
95% Confidence Interval
Time frame
Disease response was assessed on Day 15 of Cycle 1, Day 1 of Cycles 2 through 12, and at End of Study, 30 days after last dose. Median duration of treatment was 100 days for Part 1 and 170 days for Part 2 participants.

What was measured

ORR is defined as the percentage of patients who achieved a best response of stringent complete response (sCR), complete response (CR), very good partial response (VGPR) or partial response (PR) determined by Independent Review Committee (IRC). Responses were assessed according to International Uniform Response Criteria for Multiple Myeloma, documented by 2 consecutive assessments made at any time before the start of new therapy. sCR: CR as defined below plus normal FLC ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence. CR: absence of M-protein in serum and urine by immunofixation, disappearance of any soft tissue plasmacytomas, and ≤5% plasma cells in bone marrow. VGPR: serum and urine M-proteins detectable by immunofixation but not by electrophoresis or a ≥ 90% reduction in serum M-protein with urine M-protein level \< 100 mg/24 hours. PR: ≥ 50% reduction of serum M-protein and in urine of ≥ 90% or to \< 200 mg per 24 hours.

Analysis population: The Response Evaluable Subset population consists of all treated patients with measurable disease at Baseline as assessed by M-protein or by quantitative serum Ig for certain patients with IgA myeloma, and with a baseline and at least 1 post-baseline disease assessment. Patients whose disease was only measurable by SFLC were excluded.

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/m²31
Part 2: Carfilzomib 20 mg/m²53
Part 2: Carfilzomib 20/27 mg/m²66

Reported measurements

Source class 1
Values in percentage of participants · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1: Carfilzomib 20 mg/m²16.1Not reported5.4533.73Not reported
Part 2: Carfilzomib 20 mg/m²39.6Not reported26.554.0Not reported
Part 2: Carfilzomib 20/27 mg/m²53.0Not reported40.365.4Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        5.45
        upper Limit
        33.73
        value
        16.1
      2. group Id
        OG001
        lower Limit
        26.5
        upper Limit
        54.0
        value
        39.6
      3. group Id
        OG002
        lower Limit
        40.3
        upper Limit
        65.4
        value
        53.0
denoms
  1. counts
    1. group Id
      OG000
      value
      31
    2. group Id
      OG001
      value
      53
    3. group Id
      OG002
      value
      66
    units
    Participants
description
ORR is defined as the percentage of patients who achieved a best response of stringent complete response (sCR), complete response (CR), very good partial response (VGPR) or partial response (PR) determined by Independent Review Committee (IRC). Responses were assessed according to International Uniform Response Criteria for Multiple Myeloma, documented by 2 consecutive assessments made at any time before the start of new therapy. sCR: CR as defined below plus normal FLC ratio and absence of clonal cells in bone marrow by immunohistochemistry or immunofluorescence. CR: absence of M-protein in serum and urine by immunofixation, disappearance of any soft tissue plasmacytomas, and ≤5% plasma cells in bone marrow. VGPR: serum and urine M-proteins detectable by immunofixation but not by electrophoresis or a ≥ 90% reduction in serum M-protein with urine M-protein level \< 100 mg/24 hours. PR: ≥ 50% reduction of serum M-protein and in urine of ≥ 90% or to \< 200 mg per 24 hours.
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
NUMBER
population Description
The Response Evaluable Subset population consists of all treated patients with measurable disease at Baseline as assessed by M-protein or by quantitative serum Ig for certain patients with IgA myeloma, and with a baseline and at least 1 post-baseline disease assessment. Patients whose disease was only measurable by SFLC were excluded.
reporting Status
POSTED
time Frame
Disease response was assessed on Day 15 of Cycle 1, Day 1 of Cycles 2 through 12, and at End of Study, 30 days after last dose. Median duration of treatment was 100 days for Part 1 and 170 days for Part 2 participants.
title
Best Overall Response Rate (ORR) in the Response Evaluable Subset Population
type
PRIMARY
unit Of Measure
percentage of participants

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Preserved source evidence · Not medical advice