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NCT04776018 · OUTCOME

Phase 1b, Part 1: Serum Concentration of Mezagitamab

A Study Of TAK-981 Given With Monoclonal Antibodies (mAbs) In Adults With Relapsed or Refractory Multiple Myeloma (RRMM) · Source last updated 2024-10-02

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

Measure
GEOMETRIC_MEAN
Unit
ng/mL
Interval / dispersion
Geometric Coefficient of Variation
Time frame
Cycles 1, 2, 3, 4, 6, 7 and 12: Day 1 pre-dose and at multiple timepoints (up to 24 hours) post-dose (Cycle length = 28 days)

What was measured

Observed serum concentrations of mezagitumab was reported.

Analysis population: Safety analysis set included participants who received at least 1 dose, even if incomplete, of study drug. Here "number analyzed" signifies participants evaluable at specified time-point.

Groups in this outcome

Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg

Participants received TAK-981 60 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.

Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg

Participants received TAK-981 90 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.

Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg

Participants received TAK-981 90 mg, infusion, intravenously, in combination with mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15, 22 during Cycles 1 and 2, then every 2 weeks during Cycles 3 through 6, further once every 4 weeks until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.

Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg

Participants received TAK-981 120 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.

Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg

Participants received TAK-981 120 mg, infusion, intravenously, in combination with mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15, 22 during Cycles 1 and 2, then every 2 weeks during Cycles 3 through 6, further once every 4 weeks until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.

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

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg10
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg8

Reported measurements

Cycle 1 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg10
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg8
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
Cycle 2 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg2
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg4
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg2
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg6
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg9940038.1Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg10300050.9Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg8180053.3Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg6490059.4Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg290006634.0Not reportedNot reportedNot reported
Cycle 3 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg3
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg4
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg95500NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg200000NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg68400337.7Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg146000NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg15400094.7Not reportedNot reportedNot reported
Cycle 4 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg0
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg94500NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Cycle 6 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg2
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg1
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg3840083.9Not reportedNot reportedNot reported
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg27000NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg101000NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg117000NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Cycle 7 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg0
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg71900NANot reportedNot reportedGeometric Coefficient of Variation could not be calculated due to insufficient number of participants.
Cycle 12 Day 1

Analysis denominator · Participants

GroupSource count
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg1
Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg0
Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg0
Values in ng/mL · Interval/dispersion: Geometric Coefficient of Variation
GroupValueSpreadLowerUpperComment
Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mgNANANot reportedNot reportedGeometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below LLOQ.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
        group Id
        OG000
        spread
        NA
        value
        NA
      2. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
        group Id
        OG001
        spread
        NA
        value
        NA
      3. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
        group Id
        OG002
        spread
        NA
        value
        NA
      4. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
        group Id
        OG003
        spread
        NA
        value
        NA
      5. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below lower limit of quantification (LLOQ).
        group Id
        OG004
        spread
        NA
        value
        NA
    denoms
    1. counts
      1. group Id
        OG000
        value
        3
      2. group Id
        OG001
        value
        3
      3. group Id
        OG002
        value
        10
      4. group Id
        OG003
        value
        3
      5. group Id
        OG004
        value
        8
      units
      Participants
    title
    Cycle 1 Day 1
  2. categories
    1. measurements
      1. group Id
        OG000
        spread
        38.1
        value
        99400
      2. group Id
        OG001
        spread
        50.9
        value
        103000
      3. group Id
        OG002
        spread
        53.3
        value
        81800
      4. group Id
        OG003
        spread
        59.4
        value
        64900
      5. group Id
        OG004
        spread
        6634.0
        value
        29000
    denoms
    1. counts
      1. group Id
        OG000
        value
        2
      2. group Id
        OG001
        value
        3
      3. group Id
        OG002
        value
        4
      4. group Id
        OG003
        value
        2
      5. group Id
        OG004
        value
        6
      units
      Participants
    title
    Cycle 2 Day 1
  3. categories
    1. measurements
      1. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG000
        spread
        NA
        value
        95500
      2. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG001
        spread
        NA
        value
        200000
      3. group Id
        OG002
        spread
        337.7
        value
        68400
      4. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG003
        spread
        NA
        value
        146000
      5. group Id
        OG004
        spread
        94.7
        value
        154000
    denoms
    1. counts
      1. group Id
        OG000
        value
        1
      2. group Id
        OG001
        value
        1
      3. group Id
        OG002
        value
        3
      4. group Id
        OG003
        value
        1
      5. group Id
        OG004
        value
        4
      units
      Participants
    title
    Cycle 3 Day 1
  4. categories
    1. measurements
      1. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG000
        spread
        NA
        value
        94500
    denoms
    1. counts
      1. group Id
        OG000
        value
        1
      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
    title
    Cycle 4 Day 1
  5. categories
    1. measurements
      1. group Id
        OG000
        spread
        83.9
        value
        38400
      2. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG001
        spread
        NA
        value
        27000
      3. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG002
        spread
        NA
        value
        101000
      4. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG004
        spread
        NA
        value
        117000
    denoms
    1. counts
      1. group Id
        OG000
        value
        2
      2. group Id
        OG001
        value
        1
      3. group Id
        OG002
        value
        1
      4. group Id
        OG003
        value
        0
      5. group Id
        OG004
        value
        1
      units
      Participants
    title
    Cycle 6 Day 1
  6. categories
    1. measurements
      1. comment
        Geometric Coefficient of Variation could not be calculated due to insufficient number of participants.
        group Id
        OG000
        spread
        NA
        value
        71900
    denoms
    1. counts
      1. group Id
        OG000
        value
        1
      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
    title
    Cycle 7 Day 1
  7. categories
    1. measurements
      1. comment
        Geometric Mean and Geometric Coefficient of Variation could not be calculated because the values were below LLOQ.
        group Id
        OG000
        spread
        NA
        value
        NA
    denoms
    1. counts
      1. group Id
        OG000
        value
        1
      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
    title
    Cycle 12 Day 1
denoms
  1. counts
    1. group Id
      OG000
      value
      3
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      10
    4. group Id
      OG003
      value
      3
    5. group Id
      OG004
      value
      8
    units
    Participants
description
Observed serum concentrations of mezagitumab was reported.
dispersion Type
Geometric Coefficient of Variation
groups
  1. description
    Participants received TAK-981 60 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.
    id
    OG000
    title
    Phase 1b, Part 1: TAK-981 60 mg BIW + Mezagitamab 600 mg
  2. description
    Participants received TAK-981 90 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.
    id
    OG001
    title
    Phase 1b, Part 1: TAK-981 90 mg BIW + Mezagitamab 600 mg
  3. description
    Participants received TAK-981 90 mg, infusion, intravenously, in combination with mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15, 22 during Cycles 1 and 2, then every 2 weeks during Cycles 3 through 6, further once every 4 weeks until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.
    id
    OG002
    title
    Phase 1b, Part 1: TAK-981 90 mg QW + Mezagitamab 600 mg
  4. description
    Participants received TAK-981 120 mg, infusion, intravenously, twice weekly on Days 1, 4, 8, 11 and 15, and mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15 and 22 during Cycles 1 and 2, then once every 2 weeks during Cycles 3 through 6, further once every 4 weeks, until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.
    id
    OG003
    title
    Phase 1b, Part 1: TAK-981 120 mg BIW + Mezagitamab 600 mg
  5. description
    Participants received TAK-981 120 mg, infusion, intravenously, in combination with mezagitamab 600 mg, injection, subcutaneously, once weekly on Days 1, 8, 15, 22 during Cycles 1 and 2, then every 2 weeks during Cycles 3 through 6, further once every 4 weeks until disease progression or unacceptable toxicity, or until any other discontinuation criterion is met, whichever occurs first. Each Cycle length was 28 days.
    id
    OG004
    title
    Phase 1b, Part 1: TAK-981 120 mg QW + Mezagitamab 600 mg
param Type
GEOMETRIC_MEAN
population Description
Safety analysis set included participants who received at least 1 dose, even if incomplete, of study drug. Here "number analyzed" signifies participants evaluable at specified time-point.
reporting Status
POSTED
time Frame
Cycles 1, 2, 3, 4, 6, 7 and 12: Day 1 pre-dose and at multiple timepoints (up to 24 hours) post-dose (Cycle length = 28 days)
title
Phase 1b, Part 1: Serum Concentration of Mezagitamab
type
SECONDARY
unit Of Measure
ng/mL

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

Preserved source evidence · Not medical advice