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NCT07084896 · OUTCOME

DE Phase: Titer of ADAs Against Belantamab Mafodotin

Sub-study of Belantamab Mafodotin (GSK2857916) in Combination With Nirogacestat in Participants With RRMM · Source last updated 2026-05-06

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 approximately 157 weeks.

What was measured

Serum samples were 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: Safety Population. No participants were found positive for ADAs, hence participants were not analyzed for titers of ADAs.

Groups in this outcome

DE Phase: 0.95 mg/kg Belantamab Mafodotin + Nirogacestat

In DE Phase, participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 0.95 milligram (mg)/kilogram (kg) belantamab mafodotin intravenous (IV) infusion as powder for solution once every 3 weeks (Q3W) infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered twice a day (BID) on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.

DE Phase: 1.9 mg/kg Belantamab Mafodotin+ Nirogacestat

In DE Phase, participants with RRMM received 1.9 mg/ kg belantamab mafodotin IV infusion as powder for solution once Q3W infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.

DE Phase: 1.0 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID

In DE Phase, participants with RRMM received 1.0 mg/ kg belantamab mafodotin IV infusion as powder for solution once every 4 weeks (Q4W) for Cycle 1-2 and then once every 8 weeks (Q8W) from Cycle 2 onwards, infused over 30- 60 minutes on day 1 of 28-day cycles in Q4W and 56-day cycle in Q8W in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.

DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID

In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W for Cycle 1 and then Q8W from Cycle2 onwards, infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.

DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W + Nirogacestat BID

In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W, infused over 30- 60 minutes on day 1 of 28-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.

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

Analysis denominator · Participants

GroupSource count
DE Phase: 0.95 mg/kg Belantamab Mafodotin + Nirogacestat0
DE Phase: 1.9 mg/kg Belantamab Mafodotin+ Nirogacestat0
DE Phase: 1.0 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID0
DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID0
DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W + Nirogacestat BID0

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
    3. group Id
      OG002
      value
      0
    4. group Id
      OG003
      value
      0
    5. group Id
      OG004
      value
      0
    units
    Participants
description
Serum samples were 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
    In DE Phase, participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 0.95 milligram (mg)/kilogram (kg) belantamab mafodotin intravenous (IV) infusion as powder for solution once every 3 weeks (Q3W) infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered twice a day (BID) on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.
    id
    OG000
    title
    DE Phase: 0.95 mg/kg Belantamab Mafodotin + Nirogacestat
  2. description
    In DE Phase, participants with RRMM received 1.9 mg/ kg belantamab mafodotin IV infusion as powder for solution once Q3W infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat administered BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.
    id
    OG001
    title
    DE Phase: 1.9 mg/kg Belantamab Mafodotin+ Nirogacestat
  3. description
    In DE Phase, participants with RRMM received 1.0 mg/ kg belantamab mafodotin IV infusion as powder for solution once every 4 weeks (Q4W) for Cycle 1-2 and then once every 8 weeks (Q8W) from Cycle 2 onwards, infused over 30- 60 minutes on day 1 of 28-day cycles in Q4W and 56-day cycle in Q8W in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.
    id
    OG002
    title
    DE Phase: 1.0 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID
  4. description
    In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W for Cycle 1 and then Q8W from Cycle2 onwards, infused over 30- 60 minutes on day 1 of 21-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.
    id
    OG003
    title
    DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W/Q8W + Nirogacestat BID
  5. description
    In DE Phase, participants with RRMM received 1.4 mg/ kg belantamab mafodotin IV infusion as powder for solution Q4W, infused over 30- 60 minutes on day 1 of 28-day cycles in combination with 100 mg nirogacestat BID on day 1, 4, 8 and 15 of 21-day cycles. Treatment was administered until disease progression, intolerable toxicity, informed consent withdrawal, the end of the sub-study or death.
    id
    OG004
    title
    DE Phase: 1.4 mg/kg Belantamab Mafodotin Q4W + Nirogacestat BID
population Description
Safety Population. No participants were found positive for ADAs, hence participants were not analyzed for titers of ADAs.
reporting Status
POSTED
time Frame
Up to approximately 157 weeks.
title
DE Phase: Titer of ADAs Against Belantamab Mafodotin
type
SECONDARY

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Preserved source evidence · Not medical advice