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NCT01227889 · OUTCOME

Progression-free Survival (PFS2) as Assessed by the Investigator: Crossover Phase

A Study Comparing GSK2118436 to Dacarbazine (DTIC) in Previously Untreated Subjects With BRAF Mutation Positive Advanced (Stage III) or Metastatic (Stage IV) Melanoma · Source last updated 2017-10-04

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
Time from first dose of GSK2118436 in participants who crossover after initial progression to the earliest date of radiographical or photographical PD or death due to any cause (up to 6.4 months)

What was measured

PFS2 is defined as the time from the first dose of GSK2118436, in participants randomized to DTIC who crossed over to GSK2118436 after initial progression, to the earliest date of radiographic or photographic disease progression or death due to any cause. Disease progression was based on radiographic or photographic evidence, and assessments were made by the investigator according to RECIST version 1.1. PD is defined as at least a 20% increase in the sum of the diameters of target lesions, taking as a reference, the smallest sum of diameters recorded since the treatment started (e.g., percent change from nadir, where nadir is defined as the smallest sum of diameters recorded since treatment start). In addition, the sum must have an absolute increase from nadir of 5 mm. For participants who did not progress or die, PFS was censored at the date of last contact.

Analysis population: Crossover Treatment Population: the subset of participants who were randomized to the DTIC arm, and who elected at the point of disease progression to receive GSK2118436. Only participants who received at least one dose of GSK2118436 were included in the Crossover Treatment Population.

Groups in this outcome

GSK25118436 in Crossover Phase

Participants who received DTIC in the RP and experienced DP had the option, at the discretion of the Investigator, of receiving GSK2118436 150 mg BID in the Crossover Phase. Participants who permanently discontinued DTIC treatment due to an AE, withdrawal of consent, or for any reason other than DP were not eligible for crossover to GSK2118436. Crossover participants continued on GSK2118436 until further DP was noted. After DP on GSK2118436, participants were followed for response, progression, survival, and further anti-cancer therapy.

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

Analysis denominator · Participants

GroupSource count
GSK25118436 in Crossover Phase37

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
GSK25118436 in Crossover Phase4.3Not reported4.16.1Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        4.1
        upper Limit
        6.1
        value
        4.3
denoms
  1. counts
    1. group Id
      OG000
      value
      37
    units
    Participants
description
PFS2 is defined as the time from the first dose of GSK2118436, in participants randomized to DTIC who crossed over to GSK2118436 after initial progression, to the earliest date of radiographic or photographic disease progression or death due to any cause. Disease progression was based on radiographic or photographic evidence, and assessments were made by the investigator according to RECIST version 1.1. PD is defined as at least a 20% increase in the sum of the diameters of target lesions, taking as a reference, the smallest sum of diameters recorded since the treatment started (e.g., percent change from nadir, where nadir is defined as the smallest sum of diameters recorded since treatment start). In addition, the sum must have an absolute increase from nadir of 5 mm. For participants who did not progress or die, PFS was censored at the date of last contact.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants who received DTIC in the RP and experienced DP had the option, at the discretion of the Investigator, of receiving GSK2118436 150 mg BID in the Crossover Phase. Participants who permanently discontinued DTIC treatment due to an AE, withdrawal of consent, or for any reason other than DP were not eligible for crossover to GSK2118436. Crossover participants continued on GSK2118436 until further DP was noted. After DP on GSK2118436, participants were followed for response, progression, survival, and further anti-cancer therapy.
    id
    OG000
    title
    GSK25118436 in Crossover Phase
param Type
MEDIAN
population Description
Crossover Treatment Population: the subset of participants who were randomized to the DTIC arm, and who elected at the point of disease progression to receive GSK2118436. Only participants who received at least one dose of GSK2118436 were included in the Crossover Treatment Population.
reporting Status
POSTED
time Frame
Time from first dose of GSK2118436 in participants who crossover after initial progression to the earliest date of radiographical or photographical PD or death due to any cause (up to 6.4 months)
title
Progression-free Survival (PFS2) as Assessed by the Investigator: Crossover Phase
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice