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NCT02564900 · FLOW

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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.

groups
  1. description
    Participants in Cohort 1 received an intravenous 0.8 mg/kg dose of DS-8201a (FL-DP1).
    id
    FG000
    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
    FG001
    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
    FG002
    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
    FG003
    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
    FG004
    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
    FG005
    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
    FG006
    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
    FG007
    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
    FG008
    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
    FG009
    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 5.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    FG010
    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
    FG011
    title
    Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        2
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        3
      6. group Id
        FG005
        num Subjects
        1
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Progressive disease per RECIST
    2. reasons
      1. group Id
        FG000
        num Subjects
        1
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        2
      5. group Id
        FG004
        num Subjects
        2
      6. group Id
        FG005
        num Subjects
        2
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Ongoing
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        1
      5. group Id
        FG004
        num Subjects
        1
      6. group Id
        FG005
        num Subjects
        3
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Adverse Event
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        6
      6. group Id
        FG005
        num Subjects
        6
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      comment
      Data from Ongoing and Discontinued participants are presented as of data cutoff on 01 February 2019
      type
      COMPLETED
    3. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        6
      6. group Id
        FG005
        num Subjects
        6
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      NOT COMPLETED
    title
    Dose Escalation
  2. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        19
      8. group Id
        FG007
        num Subjects
        17
      9. group Id
        FG008
        num Subjects
        8
      10. group Id
        FG009
        num Subjects
        16
      11. group Id
        FG010
        num Subjects
        13
      12. group Id
        FG011
        num Subjects
        19
      type
      Progressive disease per RECIST
    2. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        5
      8. group Id
        FG007
        num Subjects
        12
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        3
      11. group Id
        FG010
        num Subjects
        2
      12. group Id
        FG011
        num Subjects
        0
      type
      Clinical progression
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        9
      8. group Id
        FG007
        num Subjects
        22
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        11
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        5
      type
      Adverse Event
    4. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        9
      8. group Id
        FG007
        num Subjects
        10
      9. group Id
        FG008
        num Subjects
        11
      10. group Id
        FG009
        num Subjects
        3
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Ongoing
    5. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        1
      12. group Id
        FG011
        num Subjects
        0
      type
      Death
    6. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        4
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        1
      12. group Id
        FG011
        num Subjects
        0
      type
      Withdrawal by Subject
    7. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        1
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Other
    8. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        1
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Did not receive treatment
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        49
      8. group Id
        FG007
        num Subjects
        62
      9. group Id
        FG008
        num Subjects
        20
      10. group Id
        FG009
        num Subjects
        33
      11. group Id
        FG010
        num Subjects
        17
      12. group Id
        FG011
        num Subjects
        24
      comment
      Only the Dose Expansion Phase is being presented.
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        1
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Enrolled, But Not Dosed
    3. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      comment
      Data from Ongoing and Discontinued participants are presented as of data cutoff on 01 February 2019.
      type
      COMPLETED
    4. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        49
      8. group Id
        FG007
        num Subjects
        62
      9. group Id
        FG008
        num Subjects
        20
      10. group Id
        FG009
        num Subjects
        33
      11. group Id
        FG010
        num Subjects
        17
      12. group Id
        FG011
        num Subjects
        24
      type
      NOT COMPLETED
    title
    Dose Expansion
pre Assignment Details
The Dose Escalation was intended to identify the maximum tolerated dose (MTD) or recommended phase 2 dose (RP2D) of DS-8201a with at least 3 participants evaluable for assessment of dose-limiting toxicity per dose level. Since the MTD was not reached, doses of 5.4 mg/kg and 6.4 mg/kg were chosen for evaluation in the Dose Expansion phase.
recruitment Details
A total of 292 participants who met all inclusion and no exclusion criteria were enrolled at 8 centers in the US and 6 centers in Japan. A total of 27 participants started the Dose Escalation phase and a total of 265 participants in the Dose Expansion phase.
Complete source fields
groups
  1. description
    Participants in Cohort 1 received an intravenous 0.8 mg/kg dose of DS-8201a (FL-DP1).
    id
    FG000
    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
    FG001
    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
    FG002
    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
    FG003
    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
    FG004
    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
    FG005
    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
    FG006
    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
    FG007
    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
    FG008
    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
    FG009
    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 5.4 mg/kg dose of DS-8201a (FL-DP1).
    id
    FG010
    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
    FG011
    title
    Dose Expansion: HER2-overexpressing Gastric or GEJ, 6.4 mg/kg
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        2
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        3
      6. group Id
        FG005
        num Subjects
        1
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Progressive disease per RECIST
    2. reasons
      1. group Id
        FG000
        num Subjects
        1
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        2
      5. group Id
        FG004
        num Subjects
        2
      6. group Id
        FG005
        num Subjects
        2
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Ongoing
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        1
      5. group Id
        FG004
        num Subjects
        1
      6. group Id
        FG005
        num Subjects
        3
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Adverse Event
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        6
      6. group Id
        FG005
        num Subjects
        6
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      comment
      Data from Ongoing and Discontinued participants are presented as of data cutoff on 01 February 2019
      type
      COMPLETED
    3. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        3
      3. group Id
        FG002
        num Subjects
        3
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        6
      6. group Id
        FG005
        num Subjects
        6
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      NOT COMPLETED
    title
    Dose Escalation
  2. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        19
      8. group Id
        FG007
        num Subjects
        17
      9. group Id
        FG008
        num Subjects
        8
      10. group Id
        FG009
        num Subjects
        16
      11. group Id
        FG010
        num Subjects
        13
      12. group Id
        FG011
        num Subjects
        19
      type
      Progressive disease per RECIST
    2. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        5
      8. group Id
        FG007
        num Subjects
        12
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        3
      11. group Id
        FG010
        num Subjects
        2
      12. group Id
        FG011
        num Subjects
        0
      type
      Clinical progression
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        9
      8. group Id
        FG007
        num Subjects
        22
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        11
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        5
      type
      Adverse Event
    4. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        9
      8. group Id
        FG007
        num Subjects
        10
      9. group Id
        FG008
        num Subjects
        11
      10. group Id
        FG009
        num Subjects
        3
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Ongoing
    5. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        1
      12. group Id
        FG011
        num Subjects
        0
      type
      Death
    6. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        4
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        1
      12. group Id
        FG011
        num Subjects
        0
      type
      Withdrawal by Subject
    7. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        1
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Other
    8. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        1
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Did not receive treatment
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        49
      8. group Id
        FG007
        num Subjects
        62
      9. group Id
        FG008
        num Subjects
        20
      10. group Id
        FG009
        num Subjects
        33
      11. group Id
        FG010
        num Subjects
        17
      12. group Id
        FG011
        num Subjects
        24
      comment
      Only the Dose Expansion Phase is being presented.
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        1
      8. group Id
        FG007
        num Subjects
        1
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      type
      Enrolled, But Not Dosed
    3. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        0
      8. group Id
        FG007
        num Subjects
        0
      9. group Id
        FG008
        num Subjects
        0
      10. group Id
        FG009
        num Subjects
        0
      11. group Id
        FG010
        num Subjects
        0
      12. group Id
        FG011
        num Subjects
        0
      comment
      Data from Ongoing and Discontinued participants are presented as of data cutoff on 01 February 2019.
      type
      COMPLETED
    4. achievements
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        0
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      7. group Id
        FG006
        num Subjects
        49
      8. group Id
        FG007
        num Subjects
        62
      9. group Id
        FG008
        num Subjects
        20
      10. group Id
        FG009
        num Subjects
        33
      11. group Id
        FG010
        num Subjects
        17
      12. group Id
        FG011
        num Subjects
        24
      type
      NOT COMPLETED
    title
    Dose Expansion
pre Assignment Details
The Dose Escalation was intended to identify the maximum tolerated dose (MTD) or recommended phase 2 dose (RP2D) of DS-8201a with at least 3 participants evaluable for assessment of dose-limiting toxicity per dose level. Since the MTD was not reached, doses of 5.4 mg/kg and 6.4 mg/kg were chosen for evaluation in the Dose Expansion phase.
recruitment Details
A total of 292 participants who met all inclusion and no exclusion criteria were enrolled at 8 centers in the US and 6 centers in Japan. A total of 27 participants started the Dose Escalation phase and a total of 265 participants in the Dose Expansion phase.

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