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NCT00094653 · OUTCOME

Duration of Response

MDX-010 Antibody, MDX-1379 Melanoma Vaccine, or MDX-010/MDX-1379 Combination Treatment for Patients With Unresectable or Metastatic Melanoma · Source last updated 2011-07-11

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
from time of initial drug administration to date of PD or death due to PD (the end of the study was defined as the time at which 481 deaths were observed [264 weeks])

What was measured

Kaplan-Meier medians along with Brookmeyer and Crowley 95% confidence intervals (CI) for were computed. Duration of response was defined in subjects whose BOR was CR or PR as the number of days between the date of response (CR or PR) and the date of PD or the date of death (whichever occurs first).

Analysis population: Responders only in intent-to-treat population, as randomized. All subjects who were randomized to any treatment group in the study. Patients who did not progress or died were censored at the date of their last tumor assessment.

Groups in this outcome

Ipilimumab Plus gp100

Ipilimumab was administered at a dosage of 3 mg/kg as an intravenous (IV) infusion administered over 90 minutes every 3 weeks for a total of 4 doses, together with gp100. Gp100 consisted of 2 separate peptide components: Peptide A, a peptide with sequence YLEPGPVTV (gp100:280-288\[288V\]) and Peptide B, a peptide with the sequence IMDQVPFSV (gp100:209-217\[210M\]). Each peptide was prepared with Montanide ISA-51. One dose of gp100 consisted of the administration of Peptide A, at a dosage of 2 mL or 1 mg, and Peptide B, at a dosage of 2 mL or 1 mg. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study therapy.

Ipilimumab Monotherapy

Ipilimumab was administered at a dosage of 3 mg/kg as an intravenous (IV) infusion administered over 90 minutes every 3 weeks for a total of 4 doses, together with matching vaccine placebo. The vaccine placebo consisted of sterile 0.9% sodium chloride. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study therapy.

gp100

Gp100 consisted of 2 separate peptide components: Peptide A, a peptide with sequence YLEPGPVTV (gp100:280-288\[288V\]) and Peptide B, a peptide with the sequence IMDQVPFSV (gp100:209-217\[210M\]). Each peptide was prepared with Montanide ISA-51. One dose of gp100 consisted of the administration of Peptide A, at a dosage of 2 mL or 1 mg, and Peptide B, at a dosage of 2 mL or 1 mg. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study 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
Ipilimumab Plus gp10023
Ipilimumab Monotherapy15
gp1002

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Ipilimumab Plus gp10011.47Not reported5.36NAUpper limit of 95% CI was not reached because most subjects were censored and the upper bound was not estimable.
Ipilimumab MonotherapyNANot reported28.09NAMedian duration of response was not reached because of the number of ongoing responses (ie, since most subjects did not progress-die, the median was not reached).
gp100NANot reported2.00NAThe limited number of responses (2) in the gp100 monotherapy group prevented a median duration from being reached.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Upper limit of 95% CI was not reached because most subjects were censored and the upper bound was not estimable.
        group Id
        OG000
        lower Limit
        5.36
        upper Limit
        NA
        value
        11.47
      2. comment
        Median duration of response was not reached because of the number of ongoing responses (ie, since most subjects did not progress-die, the median was not reached).
        group Id
        OG001
        lower Limit
        28.09
        upper Limit
        NA
        value
        NA
      3. comment
        The limited number of responses (2) in the gp100 monotherapy group prevented a median duration from being reached.
        group Id
        OG002
        lower Limit
        2.00
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      23
    2. group Id
      OG001
      value
      15
    3. group Id
      OG002
      value
      2
    units
    Participants
description
Kaplan-Meier medians along with Brookmeyer and Crowley 95% confidence intervals (CI) for were computed. Duration of response was defined in subjects whose BOR was CR or PR as the number of days between the date of response (CR or PR) and the date of PD or the date of death (whichever occurs first).
dispersion Type
95% Confidence Interval
groups
  1. description
    Ipilimumab was administered at a dosage of 3 mg/kg as an intravenous (IV) infusion administered over 90 minutes every 3 weeks for a total of 4 doses, together with gp100. Gp100 consisted of 2 separate peptide components: Peptide A, a peptide with sequence YLEPGPVTV (gp100:280-288\[288V\]) and Peptide B, a peptide with the sequence IMDQVPFSV (gp100:209-217\[210M\]). Each peptide was prepared with Montanide ISA-51. One dose of gp100 consisted of the administration of Peptide A, at a dosage of 2 mL or 1 mg, and Peptide B, at a dosage of 2 mL or 1 mg. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study therapy.
    id
    OG000
    title
    Ipilimumab Plus gp100
  2. description
    Ipilimumab was administered at a dosage of 3 mg/kg as an intravenous (IV) infusion administered over 90 minutes every 3 weeks for a total of 4 doses, together with matching vaccine placebo. The vaccine placebo consisted of sterile 0.9% sodium chloride. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study therapy.
    id
    OG001
    title
    Ipilimumab Monotherapy
  3. description
    Gp100 consisted of 2 separate peptide components: Peptide A, a peptide with sequence YLEPGPVTV (gp100:280-288\[288V\]) and Peptide B, a peptide with the sequence IMDQVPFSV (gp100:209-217\[210M\]). Each peptide was prepared with Montanide ISA-51. One dose of gp100 consisted of the administration of Peptide A, at a dosage of 2 mL or 1 mg, and Peptide B, at a dosage of 2 mL or 1 mg. After Week 12, subjects who met re-induction criteria could receive further cycles of their randomized study therapy.
    id
    OG002
    title
    gp100
param Type
MEDIAN
population Description
Responders only in intent-to-treat population, as randomized. All subjects who were randomized to any treatment group in the study. Patients who did not progress or died were censored at the date of their last tumor assessment.
reporting Status
POSTED
time Frame
from time of initial drug administration to date of PD or death due to PD (the end of the study was defined as the time at which 481 deaths were observed [264 weeks])
title
Duration of Response
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice