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NCT02564900 · OUTCOME

Pharmacokinetic Analysis: Maximum (Peak) Observed Serum Concentration (Cmax) of Serum DS-8201a Following First Dose

Study of DS-8201a in Subjects With Advanced Solid Malignant Tumors · Source last updated 2024-01-22

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

Measure
MEAN
Unit
ug/mL
Interval / dispersion
Standard Deviation
Time frame
Post first dose up to Day 147

What was measured

The serum PK parameters Maximum (peak) Observed serum concentration of DS-8201a and its analytes were estimated using standard non-compartmental method.

Analysis population: Pharmacokinetic parameters were assessed in the Pharmacokinetic Analysis Set.

Groups in this outcome

Dose Escalation: Cohort 1, 0.8 mg/kg

Participants in Cohort 1 received an intravenous 0.8 mg/kg dose of DS-8201a (FL-DP1).

Dose Escalation: Cohort 2, 1.6 mg/kg

Participants in Cohort 2 received an intravenous 1.6 mg/kg dose of DS-8201a (FL-DP1).

Dose Escalation: Cohort 3, 3.2 mg/kg

Participants in Cohort 3 received an intravenous 3.2 mg/kg dose of DS-8201a (FL-DP1).

Dose Escalation: Cohort 4, 5.4 mg/kg

Participants in Cohort 4 received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Escalation: Cohort 5, 6.4 mg/kg

Participants in Cohort 5 received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Escalation: Cohort 6, 8.0 mg/kg

Participants in Cohort 6 received an intravenous 8.0 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-positive Breast Cancer, 5.4 mg/kg

Participants with HER2-overexpressing breast cancer received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-positive Breast Cancer, 6.4 mg/kg

Participants with HER2-overexpressing breast cancer received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-low Expressing Breast Cancer, 5.4 mg/kg

Participants with HER2-low expressing breast cancer received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-low Expressing Breast Cancer, 6.4 mg/kg

Participants with HER2-low expressing breast cancer received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-overexpressing Gastric or GEJ, 5.4 mg/kg

Participants with HER2-overexpressing gastric or gastroesophageal junction (GEJ) adenocarcinoma received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg

Participants with HER2-overexpressing gastric or gastroesophageal junction (GEJ) adenocarcinoma received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-expressing Other Solid Tumors

Participants with any other HER2-expressing solid tumor other than breast or gastric or any tumor with HER2 mutation received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).

Dose Expansion: HER2-expressing Breast Cancer

Japan only: Participants with HER2-expressing breast cancer received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP2).

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

Analysis denominator · Participants

GroupSource count
Dose Escalation: Cohort 1, 0.8 mg/kg3
Dose Escalation: Cohort 2, 1.6 mg/kg3
Dose Escalation: Cohort 3, 3.2 mg/kg3
Dose Escalation: Cohort 4, 5.4 mg/kg6
Dose Escalation: Cohort 5, 6.4 mg/kg6
Dose Escalation: Cohort 6, 8.0 mg/kg5
Dose Expansion: HER2-positive Breast Cancer, 5.4 mg/kg48
Dose Expansion: HER2-positive Breast Cancer, 6.4 mg/kg50
Dose Expansion: HER2-low Expressing Breast Cancer, 5.4 mg/kg20
Dose Expansion: HER2-low Expressing Breast Cancer, 6.4 mg/kg19
Dose Expansion: HER2-overexpressing Gastric or GEJ, 5.4 mg/kg17
Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg23
Dose Expansion: HER2-expressing Other Solid Tumors59
Dose Expansion: HER2-expressing Breast Cancer21

Reported measurements

Source class 1
Values in ug/mL · Interval/dispersion: Standard Deviation
GroupValueSpreadLowerUpperComment
Dose Escalation: Cohort 1, 0.8 mg/kg22.93.76Not reportedNot reportedNot reported
Dose Escalation: Cohort 2, 1.6 mg/kg36.24.98Not reportedNot reportedNot reported
Dose Escalation: Cohort 3, 3.2 mg/kg78.216.1Not reportedNot reportedNot reported
Dose Escalation: Cohort 4, 5.4 mg/kg12717.2Not reportedNot reportedNot reported
Dose Escalation: Cohort 5, 6.4 mg/kg18133.1Not reportedNot reportedNot reported
Dose Escalation: Cohort 6, 8.0 mg/kg22141.0Not reportedNot reportedNot reported
Dose Expansion: HER2-positive Breast Cancer, 5.4 mg/kg12637.7Not reportedNot reportedNot reported
Dose Expansion: HER2-positive Breast Cancer, 6.4 mg/kg17053.6Not reportedNot reportedNot reported
Dose Expansion: HER2-low Expressing Breast Cancer, 5.4 mg/kg13318.3Not reportedNot reportedNot reported
Dose Expansion: HER2-low Expressing Breast Cancer, 6.4 mg/kg15533.2Not reportedNot reportedNot reported
Dose Expansion: HER2-overexpressing Gastric or GEJ, 5.4 mg/kg11330.0Not reportedNot reportedNot reported
Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg11621.1Not reportedNot reportedNot reported
Dose Expansion: HER2-expressing Other Solid Tumors15030.3Not reportedNot reportedNot reported
Dose Expansion: HER2-expressing Breast Cancer15521.4Not reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        spread
        3.76
        value
        22.9
      2. group Id
        OG001
        spread
        4.98
        value
        36.2
      3. group Id
        OG002
        spread
        16.1
        value
        78.2
      4. group Id
        OG003
        spread
        17.2
        value
        127
      5. group Id
        OG004
        spread
        33.1
        value
        181
      6. group Id
        OG005
        spread
        41.0
        value
        221
      7. group Id
        OG006
        spread
        37.7
        value
        126
      8. group Id
        OG007
        spread
        53.6
        value
        170
      9. group Id
        OG008
        spread
        18.3
        value
        133
      10. group Id
        OG009
        spread
        33.2
        value
        155
      11. group Id
        OG010
        spread
        30.0
        value
        113
      12. group Id
        OG011
        spread
        21.1
        value
        116
denoms
  1. counts
    1. group Id
      OG000
      value
      3
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      3
    4. group Id
      OG003
      value
      6
    5. group Id
      OG004
      value
      6
    6. group Id
      OG005
      value
      5
    7. group Id
      OG006
      value
      48
    8. group Id
      OG007
      value
      50
    9. group Id
      OG008
      value
      20
    10. group Id
      OG009
      value
      19
    11. group Id
      OG010
      value
      17
    12. group Id
      OG011
      value
      23
    units
    Participants
description
The serum PK parameters Maximum (peak) Observed serum concentration of DS-8201a and its analytes were estimated using standard non-compartmental method.
dispersion Type
Standard Deviation
groups
  1. description
    Participants in Cohort 1 received an intravenous 0.8 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG000
    title
    Dose Escalation: Cohort 1, 0.8 mg/kg
  2. description
    Participants in Cohort 2 received an intravenous 1.6 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG001
    title
    Dose Escalation: Cohort 2, 1.6 mg/kg
  3. description
    Participants in Cohort 3 received an intravenous 3.2 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG002
    title
    Dose Escalation: Cohort 3, 3.2 mg/kg
  4. description
    Participants in Cohort 4 received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG003
    title
    Dose Escalation: Cohort 4, 5.4 mg/kg
  5. description
    Participants in Cohort 5 received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG004
    title
    Dose Escalation: Cohort 5, 6.4 mg/kg
  6. description
    Participants in Cohort 6 received an intravenous 8.0 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG005
    title
    Dose Escalation: Cohort 6, 8.0 mg/kg
  7. description
    Participants with HER2-overexpressing breast cancer received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG006
    title
    Dose Expansion: HER2-positive Breast Cancer, 5.4 mg/kg
  8. description
    Participants with HER2-overexpressing breast cancer received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG007
    title
    Dose Expansion: HER2-positive Breast Cancer, 6.4 mg/kg
  9. description
    Participants with HER2-low expressing breast cancer received an intravenous 5.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG008
    title
    Dose Expansion: HER2-low Expressing Breast Cancer, 5.4 mg/kg
  10. description
    Participants with HER2-low expressing breast cancer received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG009
    title
    Dose Expansion: HER2-low Expressing Breast Cancer, 6.4 mg/kg
  11. description
    Participants with HER2-overexpressing gastric or gastroesophageal junction (GEJ) adenocarcinoma received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG010
    title
    Dose Expansion: HER2-overexpressing Gastric or GEJ, 5.4 mg/kg
  12. description
    Participants with HER2-overexpressing gastric or gastroesophageal junction (GEJ) adenocarcinoma received an intravenous 6.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    OG011
    title
    Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg
param Type
MEAN
population Description
Pharmacokinetic parameters were assessed in the Pharmacokinetic Analysis Set.
reporting Status
POSTED
time Frame
Post first dose up to Day 147
title
Pharmacokinetic Analysis: Maximum (Peak) Observed Serum Concentration (Cmax) of Serum DS-8201a Following First Dose
type
SECONDARY
unit Of Measure
ug/mL

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Preserved source evidence · Not medical advice