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Safety and Efficacy of Melflufen and Dexamethasone in Relapsed and/or Relapsed-Refractory Multiple Myeloma Patients · Source last updated 2020-10-23

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

groups
  1. description
    Patients were treated with 15 milligram (mg) melflufen as intravenous (IV) infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG000
    title
    Phase I: Melflufen 15 mg + Dexamethasone
  2. description
    Patients were treated with 25 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG001
    title
    Phase I: Melflufen 25 mg + Dexamethasone
  3. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG002
    title
    Phase I: Melflufen 40 mg + Dexamethasone
  4. description
    Patients were treated with 55 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG003
    title
    Phase I: Melflufen 55 mg + Dexamethasone
  5. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day or 28-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator. In Protocol amendment 4, the cycle of melflufen was increased from 21 to 28 days. For any patients on the 28-day treatment schedule, an additional dose of 40 mg dexamethasone was administered on Day 22 of each cycle.
    id
    FG004
    title
    Phase I + II: Melflufen 40 mg + Dexamethasone
  6. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 of each 28-day treatment cycle. Dexamethasone was not administered as an antitumor compound. However, all patients were treated with 8 mg dexamethasone as an antiemetic on Days 1 and 2, and an optional 4 mg dexamethasone as an antiemetic on Days 3 and 4 of the same 28-day cycle, unless the Investigator decided to switch a patient to a combination regimen. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG005
    title
    Phase II: Melflufen 40 mg (Single Agent)
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        5
      3. group Id
        FG002
        num Subjects
        1
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      Disease progression
    2. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      3. group Id
        FG002
        num Subjects
        4
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      Adverse Event
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      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
      type
      Other
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        4
      2. group Id
        FG001
        num Subjects
        7
      3. group Id
        FG002
        num Subjects
        6
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        1
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        1
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      comment
      Completed 8 cycles or more of study drug.
      type
      COMPLETED
    3. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        7
      3. group Id
        FG002
        num Subjects
        5
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      NOT COMPLETED
    title
    Phase I (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
        1
      type
      Withdrawal by Subject
    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
        1
      6. group Id
        FG005
        num Subjects
        0
      type
      Lost to Follow-up
    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
        25
      6. group Id
        FG005
        num Subjects
        10
      type
      Death
    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
        1
      6. group Id
        FG005
        num Subjects
        0
      type
      Study terminated with patient alive
    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
        3
      6. group Id
        FG005
        num Subjects
        0
      type
      Other
    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. comment
        6 patients were entered from the Phase I: Melflufen 40 mg + Dexamethasone arm.
        group Id
        FG004
        num Subjects
        45
      6. group Id
        FG005
        num Subjects
        13
      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
        15
      6. group Id
        FG005
        num Subjects
        2
      type
      COMPLETED
    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
        30
      6. group Id
        FG005
        num Subjects
        11
      type
      NOT COMPLETED
    title
    Phase II (MTD)
pre Assignment Details
The study was conducted in 2 parts: Phase I (dose escalation) and Phase II (maximum tolerated dose \[MTD\]). During Phase I, the standard 3 + 3 design was followed with 3 to 6 patients tested at each dose level, depending on the dose limiting toxicity (DLT) observed. During Phase II, patients were treated at the MTD determined in Phase I.
recruitment Details
This was an open-label, Phase I/IIa study conducted at 7 study centers in 5 countries in patients with relapsed and/or relapsed-refractory Multiple Myeloma (MM). Overall, 75 patients (23 during Phase I and 52 additional patients during Phase II) were enrolled. The study results are presented until the end of trial (EOT) date of 29 October 2019.
Complete source fields
groups
  1. description
    Patients were treated with 15 milligram (mg) melflufen as intravenous (IV) infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG000
    title
    Phase I: Melflufen 15 mg + Dexamethasone
  2. description
    Patients were treated with 25 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG001
    title
    Phase I: Melflufen 25 mg + Dexamethasone
  3. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG002
    title
    Phase I: Melflufen 40 mg + Dexamethasone
  4. description
    Patients were treated with 55 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG003
    title
    Phase I: Melflufen 55 mg + Dexamethasone
  5. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 and 40 mg dexamethasone oral tablet or IV infusion on Days 1, 8 and 15 of each 21-day or 28-day treatment cycle. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator. In Protocol amendment 4, the cycle of melflufen was increased from 21 to 28 days. For any patients on the 28-day treatment schedule, an additional dose of 40 mg dexamethasone was administered on Day 22 of each cycle.
    id
    FG004
    title
    Phase I + II: Melflufen 40 mg + Dexamethasone
  6. description
    Patients were treated with 40 mg melflufen as IV infusion on Day 1 of each 28-day treatment cycle. Dexamethasone was not administered as an antitumor compound. However, all patients were treated with 8 mg dexamethasone as an antiemetic on Days 1 and 2, and an optional 4 mg dexamethasone as an antiemetic on Days 3 and 4 of the same 28-day cycle, unless the Investigator decided to switch a patient to a combination regimen. Patients could continue receiving treatment for up to 8 cycles or until they experienced unacceptable toxicity, disease progression, withdrew consent, and/or the study drug was discontinued at the discretion of the Investigator.
    id
    FG005
    title
    Phase II: Melflufen 40 mg (Single Agent)
periods
  1. drop Withdraws
    1. reasons
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        5
      3. group Id
        FG002
        num Subjects
        1
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      Disease progression
    2. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      3. group Id
        FG002
        num Subjects
        4
      4. group Id
        FG003
        num Subjects
        3
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      Adverse Event
    3. reasons
      1. group Id
        FG000
        num Subjects
        0
      2. group Id
        FG001
        num Subjects
        1
      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
      type
      Other
    milestones
    1. achievements
      1. group Id
        FG000
        num Subjects
        4
      2. group Id
        FG001
        num Subjects
        7
      3. group Id
        FG002
        num Subjects
        6
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      STARTED
    2. achievements
      1. group Id
        FG000
        num Subjects
        1
      2. group Id
        FG001
        num Subjects
        0
      3. group Id
        FG002
        num Subjects
        1
      4. group Id
        FG003
        num Subjects
        0
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      comment
      Completed 8 cycles or more of study drug.
      type
      COMPLETED
    3. achievements
      1. group Id
        FG000
        num Subjects
        3
      2. group Id
        FG001
        num Subjects
        7
      3. group Id
        FG002
        num Subjects
        5
      4. group Id
        FG003
        num Subjects
        6
      5. group Id
        FG004
        num Subjects
        0
      6. group Id
        FG005
        num Subjects
        0
      type
      NOT COMPLETED
    title
    Phase I (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
        1
      type
      Withdrawal by Subject
    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
        1
      6. group Id
        FG005
        num Subjects
        0
      type
      Lost to Follow-up
    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
        25
      6. group Id
        FG005
        num Subjects
        10
      type
      Death
    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
        1
      6. group Id
        FG005
        num Subjects
        0
      type
      Study terminated with patient alive
    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
        3
      6. group Id
        FG005
        num Subjects
        0
      type
      Other
    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. comment
        6 patients were entered from the Phase I: Melflufen 40 mg + Dexamethasone arm.
        group Id
        FG004
        num Subjects
        45
      6. group Id
        FG005
        num Subjects
        13
      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
        15
      6. group Id
        FG005
        num Subjects
        2
      type
      COMPLETED
    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
        30
      6. group Id
        FG005
        num Subjects
        11
      type
      NOT COMPLETED
    title
    Phase II (MTD)
pre Assignment Details
The study was conducted in 2 parts: Phase I (dose escalation) and Phase II (maximum tolerated dose \[MTD\]). During Phase I, the standard 3 + 3 design was followed with 3 to 6 patients tested at each dose level, depending on the dose limiting toxicity (DLT) observed. During Phase II, patients were treated at the MTD determined in Phase I.
recruitment Details
This was an open-label, Phase I/IIa study conducted at 7 study centers in 5 countries in patients with relapsed and/or relapsed-refractory Multiple Myeloma (MM). Overall, 75 patients (23 during Phase I and 52 additional patients during Phase II) were enrolled. The study results are presented until the end of trial (EOT) date of 29 October 2019.

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Preserved source evidence · Not medical advice