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NCT01897714 · OUTCOME

Median Progression-Free Survival (PFS)

Safety and Efficacy of Melflufen and Dexamethasone in Relapsed and/or Relapsed-Refractory Multiple Myeloma Patients · Source last updated 2020-10-23

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
Baseline and every cycle from Cycle 2 onwards until confirmed disease progression. Assessed until EOT date of 29 October 2019; up to a maximum of approximately 76 months.

What was measured

The PFS was defined as the time from the date of the first dose of melflufen (overall reference start date) to the date of the first occurrence of any disease response assessment available for PD or death. The PFS was estimated using Kaplan-Meier statistics.

Analysis population: The mITT Analysis Set included all patients considered to be valid for the Safety Analysis Set and who received at least 1 dose of study drug at the MTD as the initial dose. Only patients who had information about PFS at the time of EOT (29 October 2019) were reported.

Groups in this outcome

Phase I + II: Melflufen 40 mg + Dexamethasone

Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day or 28-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator. In Protocol amendment 4, the cycle of melflufen was increased from 21 to 28 days. For any patients on the 28-day treatment schedule, an additional dose of 40 mg dexamethasone was administered on Day 22 of each cycle.

Phase II: Melflufen 40 mg (Single Agent)

Patients were treated with 40 mg melflufen as IV infusion on Day 1 of each 28-day treatment cycle. Dexamethasone was not administered as an antitumor compound. However, all patients were treated with 8 mg dexamethasone as an antiemetic on Days 1 and 2, and an optional 4 mg dexamethasone as an antiemetic on Days 3 and 4 of the same 28-day cycle, unless the Investigator decided to switch a patient to a combination regimen. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.

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 I + II: Melflufen 40 mg + Dexamethasone45
Phase II: Melflufen 40 mg (Single Agent)13

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Phase I + II: Melflufen 40 mg + Dexamethasone5.7Not reported3.79.2Not reported
Phase II: Melflufen 40 mg (Single Agent)4.4Not reported2.87.6Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        3.7
        upper Limit
        9.2
        value
        5.7
      2. group Id
        OG001
        lower Limit
        2.8
        upper Limit
        7.6
        value
        4.4
denoms
  1. counts
    1. group Id
      OG000
      value
      45
    2. group Id
      OG001
      value
      13
    units
    Participants
description
The PFS was defined as the time from the date of the first dose of melflufen (overall reference start date) to the date of the first occurrence of any disease response assessment available for PD or death. The PFS was estimated using Kaplan-Meier statistics.
dispersion Type
95% Confidence Interval
groups
  1. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day or 28-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator. In Protocol amendment 4, the cycle of melflufen was increased from 21 to 28 days. For any patients on the 28-day treatment schedule, an additional dose of 40 mg dexamethasone was administered on Day 22 of each cycle.
    id
    OG000
    title
    Phase I + II: Melflufen 40 mg + Dexamethasone
  2. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 of each 28-day treatment cycle. Dexamethasone was not administered as an antitumor compound. However, all patients were treated with 8 mg dexamethasone as an antiemetic on Days 1 and 2, and an optional 4 mg dexamethasone as an antiemetic on Days 3 and 4 of the same 28-day cycle, unless the Investigator decided to switch a patient to a combination regimen. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    OG001
    title
    Phase II: Melflufen 40 mg (Single Agent)
param Type
MEDIAN
population Description
The mITT Analysis Set included all patients considered to be valid for the Safety Analysis Set and who received at least 1 dose of study drug at the MTD as the initial dose. Only patients who had information about PFS at the time of EOT (29 October 2019) were reported.
reporting Status
POSTED
time Frame
Baseline and every cycle from Cycle 2 onwards until confirmed disease progression. Assessed until EOT date of 29 October 2019; up to a maximum of approximately 76 months.
title
Median Progression-Free Survival (PFS)
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice