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NCT03215030 · OUTCOME

Part 3: Duration of Clinical Benefit

A Study of Modakafusp Alfa on Adult Participants With Relapsed/Refractory Multiple Myeloma · Source last updated 2026-01-29

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

Measure
MEDIAN
Unit
months
Interval / dispersion
95% Confidence Interval
Time frame
Up to 20.5 months in Part 3

What was measured

Duration of clinical benefit was defined as the time from first documented evidence of confirmed MR or better until the earliest date of a confirmed PD per IMWG, or death among participants who achieve a confirmed MR or better. MR: ≥25% but ≤49% reduction of serum M-protein and reduction in 24-hour urine M-protein by 50% to 89%. Per IMWG criteria, PD: serum M-component increase ≥0.5 g/dl or urine M-component increase ≥ 200 mg/24-hour/ difference between involved and uninvolved FLC levels increase \>10 mg/dl or bone marrow plasma cell ≥10%/ development of new/ increase in size of existing bone lesions or soft tissue plasmacytoma or development of hypercalcemia.

Analysis population: The FAS included all participants who received at least 1 dose, even an incomplete dose, of modakafusp alfa, in the Part 3 extension cohorts. Overall number of participants analyzed is the number of participants with events. Participants with no post baseline response assessment were censored.

Groups in this outcome

Part 3 (Dose Extension): Modakafusp Alfa 120 mg

Participants received modakafusp alfa 120 mg, infusion, IV, Q4W, for each 28-day treatment cycle until disease progression or treatment discontinuation.

Part 3 (Dose Extension): Modakafusp Alfa 240 mg

Participants received modakafusp alfa 240 mg, infusion, IV, Q4W, for each 28-day treatment cycle until disease progression or treatment discontinuation.

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

Analysis denominator · Participants

GroupSource count
Part 3 (Dose Extension): Modakafusp Alfa 120 mg27
Part 3 (Dose Extension): Modakafusp Alfa 240 mg36

Reported measurements

Source class 1
Values in months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 3 (Dose Extension): Modakafusp Alfa 120 mgNANot reported6.70NADue to early termination and low number of participants with post-baseline assessment, median and upper limit of 95% CI was not reached.
Part 3 (Dose Extension): Modakafusp Alfa 240 mg9.2Not reported4.99NADue to early termination and low number of participants with post-baseline assessment, upper limit of 95% CI was not reached.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Due to early termination and low number of participants with post-baseline assessment, median and upper limit of 95% CI was not reached.
        group Id
        OG000
        lower Limit
        6.70
        upper Limit
        NA
        value
        NA
      2. comment
        Due to early termination and low number of participants with post-baseline assessment, upper limit of 95% CI was not reached.
        group Id
        OG001
        lower Limit
        4.99
        upper Limit
        NA
        value
        9.2
denoms
  1. counts
    1. group Id
      OG000
      value
      27
    2. group Id
      OG001
      value
      36
    units
    Participants
description
Duration of clinical benefit was defined as the time from first documented evidence of confirmed MR or better until the earliest date of a confirmed PD per IMWG, or death among participants who achieve a confirmed MR or better. MR: ≥25% but ≤49% reduction of serum M-protein and reduction in 24-hour urine M-protein by 50% to 89%. Per IMWG criteria, PD: serum M-component increase ≥0.5 g/dl or urine M-component increase ≥ 200 mg/24-hour/ difference between involved and uninvolved FLC levels increase \>10 mg/dl or bone marrow plasma cell ≥10%/ development of new/ increase in size of existing bone lesions or soft tissue plasmacytoma or development of hypercalcemia.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants received modakafusp alfa 120 mg, infusion, IV, Q4W, for each 28-day treatment cycle until disease progression or treatment discontinuation.
    id
    OG000
    title
    Part 3 (Dose Extension): Modakafusp Alfa 120 mg
  2. description
    Participants received modakafusp alfa 240 mg, infusion, IV, Q4W, for each 28-day treatment cycle until disease progression or treatment discontinuation.
    id
    OG001
    title
    Part 3 (Dose Extension): Modakafusp Alfa 240 mg
param Type
MEDIAN
population Description
The FAS included all participants who received at least 1 dose, even an incomplete dose, of modakafusp alfa, in the Part 3 extension cohorts. Overall number of participants analyzed is the number of participants with events. Participants with no post baseline response assessment were censored.
reporting Status
POSTED
time Frame
Up to 20.5 months in Part 3
title
Part 3: Duration of Clinical Benefit
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice