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NCT06655818 · OUTCOME

DE Phase: Number of Participants With Dose Limiting Toxicities (DLT)

Sub-study of Belantamab Mafodotin (GSK2857916) as Monotherapy and in Combination With Dostarlimab (GSK4057190) in Participants With RRMM · Source last updated 2025-03-03

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

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
Up to 21 days

What was measured

Criteria for dose-limiting toxicity (DLT) included hematologic indicators such as Grade 3-5 febrile neutropenia and thrombocytopenia with bleeding. Non-hematologic criteria, excluding corneal toxicity, comprise Grade 3-5 toxicities, with exceptions for manageable nausea, vomiting, or diarrhea, controlled Grade 3 hypertension, and events linked to disease progression. Tumor lysis syndrome (TLS) of Grade 3 or 4, successfully managed within 7 days without end-organ damage, is considered. Corneal toxicity, assessed by the GSK corneal grading scale at Grade 4, is a DLT. Other organ-specific toxicities, notably liver toxicity meeting GSK stopping criteria, also qualify as DLTs. Severity was graded using National Cancer Institute - Common Terminology Criteria for Adverse Events (version 5.0).

Analysis population: DLT Evaluable Population included participants in DE who have received the first course of treatment containing both agents within a sub-study and followed up within cycle 1 (Each cycle is of 21 days) or withdrew within cycle 1 due to an AE meeting the definition of a DLT.

Groups in this outcome

1.9 mg/kg Belantamab Mafodotin + 500mg Dostarlimab

Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 1.9 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 500 mg dostarlimab as a 30-minute IV infusion 1 hour after belantamab mafodotin end of infusion (EOI) on day 1 of 21-day cycles (Q3W).

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

Analysis denominator · Participants

GroupSource count
1.9 mg/kg Belantamab Mafodotin + 500mg Dostarlimab4

Reported measurements

Source class 1
Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
1.9 mg/kg Belantamab Mafodotin + 500mg Dostarlimab1Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        1
denoms
  1. counts
    1. group Id
      OG000
      value
      4
    units
    Participants
description
Criteria for dose-limiting toxicity (DLT) included hematologic indicators such as Grade 3-5 febrile neutropenia and thrombocytopenia with bleeding. Non-hematologic criteria, excluding corneal toxicity, comprise Grade 3-5 toxicities, with exceptions for manageable nausea, vomiting, or diarrhea, controlled Grade 3 hypertension, and events linked to disease progression. Tumor lysis syndrome (TLS) of Grade 3 or 4, successfully managed within 7 days without end-organ damage, is considered. Corneal toxicity, assessed by the GSK corneal grading scale at Grade 4, is a DLT. Other organ-specific toxicities, notably liver toxicity meeting GSK stopping criteria, also qualify as DLTs. Severity was graded using National Cancer Institute - Common Terminology Criteria for Adverse Events (version 5.0).
groups
  1. description
    Participants with Relapsed/Refractory Multiple Myeloma (RRMM) received 1.9 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 500 mg dostarlimab as a 30-minute IV infusion 1 hour after belantamab mafodotin end of infusion (EOI) on day 1 of 21-day cycles (Q3W).
    id
    OG000
    title
    1.9 mg/kg Belantamab Mafodotin + 500mg Dostarlimab
param Type
COUNT_OF_PARTICIPANTS
population Description
DLT Evaluable Population included participants in DE who have received the first course of treatment containing both agents within a sub-study and followed up within cycle 1 (Each cycle is of 21 days) or withdrew within cycle 1 due to an AE meeting the definition of a DLT.
reporting Status
POSTED
time Frame
Up to 21 days
title
DE Phase: Number of Participants With Dose Limiting Toxicities (DLT)
type
PRIMARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice