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NCT07150091 · OUTCOME

CE Phase: Number of Participants With Post-baseline Positive ADAs Against Belantamab Mafodotin

Sub-study of Belantamab Mafodotin (GSK2857916) in Combination With Nirogacestat, Lenalidomide, and Dexamethasone in Participants With RRMM · Source last updated 2026-06-16

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

Measure
Not reported
Unit
Not reported
Interval / dispersion
Not reported
Time frame
Up to 143 weeks

What was measured

Serum samples were to be collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.

Analysis population: No participants were enrolled as CE Phase was not initiated due to business strategic reason.

Groups in this outcome

0.5 Milligram/Kilogram (mg/kg) Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone

Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 0.5 mg/kg belantamab mafodotin intravenous (IV) infusion as powder for solution once every 4 weeks (Q4W) infused over 30- 60 minutes on day 1 of each 28-day cycle in combination with 100 mg Nirogacestat administered orally twice a day (BID) up to Day 28; with Lenalidomide 25 mg (10 mg if Estimated Glomerular Filtration (eGFR) is 40-60 milliLitre (mL)/minute/1.73 square meter (m)\^2) administered orally once daily (QD) from Day 1 to Day 21; and Dexamethasone 40 mg (20 mg for participants \>75 years old or BMI \<18.5 kg/m\^2) administered orally on days 1, 8, 15 and 22 of each 28-day cycle.

1.0 mg/kg Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone

Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 1.0 mg/kg belantamab mafodotin intravenous (IV) infusion as powder for solution infused over 30- 60 minutes Q4W for cycle 1 and then Q8W for cycle 2 onwards on day 1 of 28-day cycle in Q4W and 56-day cycle in Q8W in combination with 100 mg Nirogacestat administered orally twice a day (BID) up to Day 28; with Lenalidomide 25 mg (10 mg if Estimated Glomerular Filtration (eGFR) is 40-60 milliLitre (mL)/minute/1.73 square meter (m)\^2) administered orally once daily (QD) from Day 1 to Day 21; and Dexamethasone 40 mg (20 mg for participants \>75 years old or BMI \<18.5 kg/m\^2) administered orally on days 1, 8, 15 and 22 of each 28-day cycle.

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

Analysis denominator · Participants

GroupSource count
0.5 Milligram/Kilogram (mg/kg) Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone0
1.0 mg/kg Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone0

Reported measurements

No numerical measurement classes were posted for this outcome. Missing is not zero.

Complete source fields
denoms
  1. counts
    1. group Id
      OG000
      value
      0
    2. group Id
      OG001
      value
      0
    units
    Participants
description
Serum samples were to be collected for the analysis of the presence of ADAs using validated immunoassays. All samples were to be further tested in screening assay, and positive samples were further to be characterized for antibody titers.
groups
  1. description
    Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 0.5 mg/kg belantamab mafodotin intravenous (IV) infusion as powder for solution once every 4 weeks (Q4W) infused over 30- 60 minutes on day 1 of each 28-day cycle in combination with 100 mg Nirogacestat administered orally twice a day (BID) up to Day 28; with Lenalidomide 25 mg (10 mg if Estimated Glomerular Filtration (eGFR) is 40-60 milliLitre (mL)/minute/1.73 square meter (m)\^2) administered orally once daily (QD) from Day 1 to Day 21; and Dexamethasone 40 mg (20 mg for participants \>75 years old or BMI \<18.5 kg/m\^2) administered orally on days 1, 8, 15 and 22 of each 28-day cycle.
    id
    OG000
    title
    0.5 Milligram/Kilogram (mg/kg) Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone
  2. description
    Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 1.0 mg/kg belantamab mafodotin intravenous (IV) infusion as powder for solution infused over 30- 60 minutes Q4W for cycle 1 and then Q8W for cycle 2 onwards on day 1 of 28-day cycle in Q4W and 56-day cycle in Q8W in combination with 100 mg Nirogacestat administered orally twice a day (BID) up to Day 28; with Lenalidomide 25 mg (10 mg if Estimated Glomerular Filtration (eGFR) is 40-60 milliLitre (mL)/minute/1.73 square meter (m)\^2) administered orally once daily (QD) from Day 1 to Day 21; and Dexamethasone 40 mg (20 mg for participants \>75 years old or BMI \<18.5 kg/m\^2) administered orally on days 1, 8, 15 and 22 of each 28-day cycle.
    id
    OG001
    title
    1.0 mg/kg Belantamab Mafodotin + Nirogacestat + Lenalidomide + Dexamethasone
population Description
No participants were enrolled as CE Phase was not initiated due to business strategic reason.
reporting Status
POSTED
time Frame
Up to 143 weeks
title
CE Phase: Number of Participants With Post-baseline Positive ADAs Against Belantamab Mafodotin
type
SECONDARY

Download exact source JSON → · Snapshot ctgov-results-25a395029948b04d52b1253f

Preserved source evidence · Not medical advice