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NCT01897714 · OUTCOME

Duration of Disease Response (DOR)

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 DOR to treatment was defined as time from first response (PR or better) to disease progression or death, or date of last evaluable disease response assessment for those who had not progressed or died. DOR 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 achieved at least PR were evaluated.

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 + Dexamethasone14
Phase II: Melflufen 40 mg (Single Agent)1

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Phase I + II: Melflufen 40 mg + Dexamethasone8.4Not reported4.611.1Not reported
Phase II: Melflufen 40 mg (Single Agent)7.2Not reportedNANAThe confidence interval could not be determined as only 1 patient was analysed.
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        4.6
        upper Limit
        11.1
        value
        8.4
      2. comment
        The confidence interval could not be determined as only 1 patient was analysed.
        group Id
        OG001
        lower Limit
        NA
        upper Limit
        NA
        value
        7.2
denoms
  1. counts
    1. group Id
      OG000
      value
      14
    2. group Id
      OG001
      value
      1
    units
    Participants
description
The DOR to treatment was defined as time from first response (PR or better) to disease progression or death, or date of last evaluable disease response assessment for those who had not progressed or died. DOR 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 achieved at least PR were evaluated.
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
Duration of Disease Response (DOR)
type
SECONDARY
unit Of Measure
months

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice