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NCT03544281 · OUTCOME

AUC (0-1008h) for Belantamab Mafodotin (Total Antibody), Treatment B

To Evaluate Safety, Tolerability, and Clinical Activity of the Antibody-drug Conjugate, GSK2857916 Administered in Combination With Lenalidomide Plus Dexamethasone (Arm A), or in Combination With Bortezomib Plus Dexamethasone (Arm B) in Participants With Relapsed/Refractory Multiple Myeloma (RRMM) · Source last updated 2025-03-18

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

Measure
GEOMETRIC_MEAN
Unit
h*ug/mL
Interval / dispersion
Geometric Coefficient of Variation
Time frame
Pre-Dose, 0, 2 and 24 Hours Post Dose on Cycle 1 Day 1; Cycle 1 Day 4; Cycle 1 Day 11; Cycle 1 Day 22; Pre-Dose and Post-Dose on Week 5 Day 7

What was measured

Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods. AUC(0-1008h) was derived only for Belantamab mafodotin 1.9 mg/kg STRETCH + Bor/Dex, Belantamab mafodotin 2.5 mg/kg StepDown STRETCH + Bor/Dex and Belantamab mafodotin 2.5 mg/kg STRETCH + Bor/Dex cohorts.

Analysis population: Pharmacokinetic (PK) population. Only those participants with data available at specified time points have been analyzed.

Groups in this outcome

Main Study Phase: Belantamab Mafodotin 1.9 mg/kg STRETCH + Bor/Dex

Participants with RRMM received belantamab mafodotin as 1.9 mg/kg dose on Day 1 of every alternate 21-day cycle (C1, C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib (Bor) was administered as 1.3 milligrams per square meters (mg/m\^2) subcutaneously (SC) /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone (Dex) PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.

Main Study Phase: Belantamab Mafodotin 2.5 mg/kg Step-Down STRETCH+ Bor/Dex

Participants with RRMM received belantamab mafodotin as 2.5 mg/kg dose on cycle 1 day 1 (C1D1) followed by 1.9 mg/kg step-down dose on Day 1 of every alternate 21-day cycles C3 onwards (C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib was administered as 1.3 mg/m\^2 SC /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.

Main Study Phase: Belantamab Mafodotin 2.5 mg/kg STRETCH + Bor/Dex

Participants with RRMM received belantamab mafodotin as 2.5 mg/kg dose on Day 1 of every alternate 21-day cycles (C1, C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib was administered as 1.3 mg/m\^2 SC /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.

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 Phase: Belantamab Mafodotin 1.9 mg/kg STRETCH + Bor/Dex5
Main Study Phase: Belantamab Mafodotin 2.5 mg/kg Step-Down STRETCH+ Bor/Dex11
Main Study Phase: Belantamab Mafodotin 2.5 mg/kg STRETCH + Bor/Dex10

Reported measurements

Source class 1
Values in h*ug/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Main Study Phase: Belantamab Mafodotin 1.9 mg/kg STRETCH + Bor/Dex11656.5625.11Not reportedNot reportedNot reported
Main Study Phase: Belantamab Mafodotin 2.5 mg/kg Step-Down STRETCH+ Bor/Dex11328.3740.25Not reportedNot reportedNot reported
Main Study Phase: Belantamab Mafodotin 2.5 mg/kg STRETCH + Bor/Dex11178.9749.10Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        25.11
        value
        11656.56
      2. group Id
        OG001
        spread
        40.25
        value
        11328.37
      3. group Id
        OG002
        spread
        49.10
        value
        11178.97
denoms
  1. counts
    1. group Id
      OG000
      value
      5
    2. group Id
      OG001
      value
      11
    3. group Id
      OG002
      value
      10
    units
    Participants
description
Blood samples were collected for PK analysis. PK parameter was determined using standard non-compartmental methods. AUC(0-1008h) was derived only for Belantamab mafodotin 1.9 mg/kg STRETCH + Bor/Dex, Belantamab mafodotin 2.5 mg/kg StepDown STRETCH + Bor/Dex and Belantamab mafodotin 2.5 mg/kg STRETCH + Bor/Dex cohorts.
dispersion Type
Geometric Coefficient of Variation
groups
  1. description
    Participants with RRMM received belantamab mafodotin as 1.9 mg/kg dose on Day 1 of every alternate 21-day cycle (C1, C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib (Bor) was administered as 1.3 milligrams per square meters (mg/m\^2) subcutaneously (SC) /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone (Dex) PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.
    id
    OG000
    title
    Main Study Phase: Belantamab Mafodotin 1.9 mg/kg STRETCH + Bor/Dex
  2. description
    Participants with RRMM received belantamab mafodotin as 2.5 mg/kg dose on cycle 1 day 1 (C1D1) followed by 1.9 mg/kg step-down dose on Day 1 of every alternate 21-day cycles C3 onwards (C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib was administered as 1.3 mg/m\^2 SC /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.
    id
    OG001
    title
    Main Study Phase: Belantamab Mafodotin 2.5 mg/kg Step-Down STRETCH+ Bor/Dex
  3. description
    Participants with RRMM received belantamab mafodotin as 2.5 mg/kg dose on Day 1 of every alternate 21-day cycles (C1, C3, C5, C7, and so on) as a 30-60 minute infusion. Along with belantamab mafodotin, Bortezomib was administered as 1.3 mg/m\^2 SC /IV on Days 1, 4, 8, and 11 with 20 mg Dexamethasone PO/IV on Days 1, 2, 4, 5, 8, 9, 11, and 12 of every 21-day cycle up to 8 cycles.
    id
    OG002
    title
    Main Study Phase: Belantamab Mafodotin 2.5 mg/kg STRETCH + Bor/Dex
param Type
GEOMETRIC_MEAN
population Description
Pharmacokinetic (PK) population. Only those participants with data available at specified time points have been analyzed.
reporting Status
POSTED
time Frame
Pre-Dose, 0, 2 and 24 Hours Post Dose on Cycle 1 Day 1; Cycle 1 Day 4; Cycle 1 Day 11; Cycle 1 Day 22; Pre-Dose and Post-Dose on Week 5 Day 7
title
AUC (0-1008h) for Belantamab Mafodotin (Total Antibody), Treatment B
type
SECONDARY
unit Of Measure
h*ug/mL

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Preserved source evidence · Not medical advice