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NCT03525678 · OUTCOME

Tmax of GSK2857916 Total Antibody Following IV Dose in Participants With RRMM

A Study to Investigate the Efficacy and Safety of Two Doses of GSK2857916 in Participants With Multiple Myeloma Who Have Failed Prior Treatment With an Anti-CD38 Antibody · Source last updated 2025-09-03

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

Measure
MEDIAN
Unit
Hours
Interval / dispersion
Full Range
Time frame
Cycle 1 and Cycle 3: Pre-dose, EOI, 2 hours and 24 hours post SOI on Day 1, anytime on Day 4, and anytime on Day 8 to Day 15 (each cycle of 21 days)

What was measured

Blood samples were collected at designated timepoints. PK parameters of GSK2857916 total antibody were calculated using non-compartmental methods.

Analysis population: Full PK Population. All the participants in the study were included in the analysis (95, 99 and 24 Participants), but only those participants with data available at the specified data points were analyzed (represented by n=X in the category titles).

Groups in this outcome

Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)

Participants were administered frozen liquid (30 mg/vial solution in a single use vial) at a dose of 2.5 mg/kg GSK2857916 as IV solution once every three weeks for a maximum of up to 39 cycles (1 cycle= 21 days). Frozen liquid was diluted with 0.9 percent saline.

Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)

Participants were administered frozen liquid (30 mg/vial solution in a single use vial) at a dose of 3.4 mg/kg GSK2857916 as IV solution once every three weeks for a maximum of up to 32 cycles (1 cycle= 21 days). Frozen liquid was diluted with 0.9 percent saline.

Main Study: GSK2857916 3.4 mg/kg (Lyophilized)

Participants were administered lyophilized powder (100 mg/vial in a single use vial) at a dose of 3.4 mg/kg GSK2857916 given IV for a maximum of 35 cycles (1 cycle= 21 days). Lyophilized powder was reconstituted using water for injection.

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

Analysis denominator · Participants

GroupSource count
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)95
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)99
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)24

Reported measurements

Cycle 1, n=30,19,20

Analysis denominator · Participants

GroupSource count
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)30
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)19
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)20
Values in Hours · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)1.750Not reported0.422.50Not reported
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)1.870Not reported0.5024.50Not reported
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)0.650Not reported0.482.17Not reported
Cycle 3, n=29,28,11

Analysis denominator · Participants

GroupSource count
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)29
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)28
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)11
Values in Hours · Interval/dispersion: Full Range
GroupValueSpreadLowerUpperComment
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)0.830Not reported0.4746.05Not reported
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)1.150Not reported0.422.90Not reported
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)1.750Not reported0.502.02Not reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.42
        upper Limit
        2.50
        value
        1.750
      2. group Id
        OG001
        lower Limit
        0.50
        upper Limit
        24.50
        value
        1.870
      3. group Id
        OG002
        lower Limit
        0.48
        upper Limit
        2.17
        value
        0.650
    denoms
    1. counts
      1. group Id
        OG000
        value
        30
      2. group Id
        OG001
        value
        19
      3. group Id
        OG002
        value
        20
      units
      Participants
    title
    Cycle 1, n=30,19,20
  2. categories
    1. measurements
      1. group Id
        OG000
        lower Limit
        0.47
        upper Limit
        46.05
        value
        0.830
      2. group Id
        OG001
        lower Limit
        0.42
        upper Limit
        2.90
        value
        1.150
      3. group Id
        OG002
        lower Limit
        0.50
        upper Limit
        2.02
        value
        1.750
    denoms
    1. counts
      1. group Id
        OG000
        value
        29
      2. group Id
        OG001
        value
        28
      3. group Id
        OG002
        value
        11
      units
      Participants
    title
    Cycle 3, n=29,28,11
denoms
  1. counts
    1. group Id
      OG000
      value
      95
    2. group Id
      OG001
      value
      99
    3. group Id
      OG002
      value
      24
    units
    Participants
description
Blood samples were collected at designated timepoints. PK parameters of GSK2857916 total antibody were calculated using non-compartmental methods.
dispersion Type
Full Range
groups
  1. description
    Participants were administered frozen liquid (30 mg/vial solution in a single use vial) at a dose of 2.5 mg/kg GSK2857916 as IV solution once every three weeks for a maximum of up to 39 cycles (1 cycle= 21 days). Frozen liquid was diluted with 0.9 percent saline.
    id
    OG000
    title
    Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)
  2. description
    Participants were administered frozen liquid (30 mg/vial solution in a single use vial) at a dose of 3.4 mg/kg GSK2857916 as IV solution once every three weeks for a maximum of up to 32 cycles (1 cycle= 21 days). Frozen liquid was diluted with 0.9 percent saline.
    id
    OG001
    title
    Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)
  3. description
    Participants were administered lyophilized powder (100 mg/vial in a single use vial) at a dose of 3.4 mg/kg GSK2857916 given IV for a maximum of 35 cycles (1 cycle= 21 days). Lyophilized powder was reconstituted using water for injection.
    id
    OG002
    title
    Main Study: GSK2857916 3.4 mg/kg (Lyophilized)
param Type
MEDIAN
population Description
Full PK Population. All the participants in the study were included in the analysis (95, 99 and 24 Participants), but only those participants with data available at the specified data points were analyzed (represented by n=X in the category titles).
reporting Status
POSTED
time Frame
Cycle 1 and Cycle 3: Pre-dose, EOI, 2 hours and 24 hours post SOI on Day 1, anytime on Day 4, and anytime on Day 8 to Day 15 (each cycle of 21 days)
title
Tmax of GSK2857916 Total Antibody Following IV Dose in Participants With RRMM
type
SECONDARY
unit Of Measure
Hours

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Preserved source evidence · Not medical advice