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NCT02411448 · OUTCOME

Part B: Duration of Response (DoR)

A Study of Ramucirumab (LY3009806) in Combination With Erlotinib in Previously Untreated Participants With EGFR Mutation-Positive Metastatic NSCLC (RELAY) · Source last updated 2026-01-16

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
Date of Complete Response (CR) or Partial Response (PR) to Date of Objective Disease Progression or Death Due to Any Cause (Up To 37 Months)

What was measured

DoR was defined as the date of first documented CR or PR (responder) to the date of progressive disease or the date of death due to any cause, whichever was earlier. If a responder was not known to have died or have progressive disease, then the participant was censored at the date of last evaluable tumor assessment.CR was defined as the disappearance of all lesions, pathological lymph node reduction in short axis to \<10 mm, and normalization of tumor marker levels of non-target lesions. PR was at least a 30% decrease in the sum of diameter of target lesions, taking as reference the baseline sum diameters. Progressive Disease (PD) was at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of 1 or more new lesions is also considered progression.

Analysis population: Part B: All randomized participants grouped according to their assigned treatment at randomization that had a response (CR or PR). Per protocol, Part A did not evaluate efficacy.

Groups in this outcome

Part B: Ramucirumab+ Erlotinib

Part B: 10 mg/kg ramucirumab administered every 2 weeks IV in combination with 150 mg erlotinib daily orally. Participants may continue to receive treatment until discontinuation criteria are met.

Part B: Placebo+ Erlotinib

Part B: Placebo administered every 2 weeks IV in combination with 150 mg erlotinib daily orally. Participants may continue to receive treatment until discontinuation criteria are met.

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 B: Ramucirumab+ Erlotinib171
Part B: Placebo+ Erlotinib168

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part B: Ramucirumab+ Erlotinib18.0Not reported13.919.8Not reported
Part B: Placebo+ Erlotinib11.1Not reported9.712.3Not reported

Source statistical analyses

Group order, estimate direction, methods and comments are retained. No treatment ranking is inferred.

  1. ci Lower Limit
    0.477
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.805
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.0003
    param Type
    Hazard Ratio (HR)
    param Value
    0.619
    statistical Method
    Log Rank
Complete source fields
analyses
  1. ci Lower Limit
    0.477
    ci Num Sides
    TWO_SIDED
    ci Pct Value
    95
    ci Upper Limit
    0.805
    group Ids
    1. OG000
    2. OG001
    non Inferiority Type
    OTHER
    p Value
    0.0003
    param Type
    Hazard Ratio (HR)
    param Value
    0.619
    statistical Method
    Log Rank
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        13.9
        upper Limit
        19.8
        value
        18.0
      2. group Id
        OG001
        lower Limit
        9.7
        upper Limit
        12.3
        value
        11.1
denoms
  1. counts
    1. group Id
      OG000
      value
      171
    2. group Id
      OG001
      value
      168
    units
    Participants
description
DoR was defined as the date of first documented CR or PR (responder) to the date of progressive disease or the date of death due to any cause, whichever was earlier. If a responder was not known to have died or have progressive disease, then the participant was censored at the date of last evaluable tumor assessment.CR was defined as the disappearance of all lesions, pathological lymph node reduction in short axis to \<10 mm, and normalization of tumor marker levels of non-target lesions. PR was at least a 30% decrease in the sum of diameter of target lesions, taking as reference the baseline sum diameters. Progressive Disease (PD) was at least a 20% increase in the sum of the diameters of target lesions, taking as reference the smallest sum on study. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of 1 or more new lesions is also considered progression.
dispersion Type
95% Confidence Interval
groups
  1. description
    Part B: 10 mg/kg ramucirumab administered every 2 weeks IV in combination with 150 mg erlotinib daily orally. Participants may continue to receive treatment until discontinuation criteria are met.
    id
    OG000
    title
    Part B: Ramucirumab+ Erlotinib
  2. description
    Part B: Placebo administered every 2 weeks IV in combination with 150 mg erlotinib daily orally. Participants may continue to receive treatment until discontinuation criteria are met.
    id
    OG001
    title
    Part B: Placebo+ Erlotinib
param Type
MEDIAN
population Description
Part B: All randomized participants grouped according to their assigned treatment at randomization that had a response (CR or PR). Per protocol, Part A did not evaluate efficacy.
reporting Status
POSTED
time Frame
Date of Complete Response (CR) or Partial Response (PR) to Date of Objective Disease Progression or Death Due to Any Cause (Up To 37 Months)
title
Part B: Duration of Response (DoR)
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice