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NCT03525678 · OUTCOME

AUC(0-tau) 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
GEOMETRIC_MEAN
Unit
Hours*microgram per milliliter
Interval / dispersion
Geometric Coefficient of Variation
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=29,18,19

Analysis denominator · Participants

GroupSource count
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)29
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)18
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)19
Values in Hours*microgram per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)730541.9Not reportedNot reportedNot reported
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)956642.2Not reportedNot reportedNot reported
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)902940.2Not reportedNot reportedNot reported
Cycle 3, n=23,24,11

Analysis denominator · Participants

GroupSource count
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)23
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)24
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)11
Values in Hours*microgram per milliliter · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Main Study: GSK2857916 2.5 mg/kg (Frozen Liquid)1124334.6Not reportedNot reportedNot reported
Main Study: GSK2857916 3.4 mg/kg (Frozen Liquid)1164638.0Not reportedNot reportedNot reported
Main Study: GSK2857916 3.4 mg/kg (Lyophilized)1531143.9Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        41.9
        value
        7305
      2. group Id
        OG001
        spread
        42.2
        value
        9566
      3. group Id
        OG002
        spread
        40.2
        value
        9029
    denoms
    1. counts
      1. group Id
        OG000
        value
        29
      2. group Id
        OG001
        value
        18
      3. group Id
        OG002
        value
        19
      units
      Participants
    title
    Cycle 1, n=29,18,19
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        34.6
        value
        11243
      2. group Id
        OG001
        spread
        38.0
        value
        11646
      3. group Id
        OG002
        spread
        43.9
        value
        15311
    denoms
    1. counts
      1. group Id
        OG000
        value
        23
      2. group Id
        OG001
        value
        24
      3. group Id
        OG002
        value
        11
      units
      Participants
    title
    Cycle 3, n=23,24,11
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
Geometric Coefficient of Variation
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
GEOMETRIC_MEAN
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
AUC(0-tau) of GSK2857916 Total Antibody Following IV Dose in Participants With RRMM
type
SECONDARY
unit Of Measure
Hours*microgram per milliliter

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Preserved source evidence · Not medical advice