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NCT02452424 · OUTCOME

Summary of the Percentage of Participants With Objective Response Rate Assessed by RECIST v1.1 During Pembrolizumab and PLX3397

A Combination Clinical Study of PLX3397 and Pembrolizumab To Treat Advanced Melanoma and Other Solid Tumors · Source last updated 2020-03-05

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

Measure
COUNT_OF_PARTICIPANTS
Unit
Participants
Interval / dispersion
Not reported
Time frame
1 year (Dose Escalation); 2 years (Dose Expansion)

What was measured

Objective response rate was defined as the proportion of subjects who achieved a best disease response of either Complete or Partial (CR or PR) based on the Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) for target lesions and assessed generally by MRI, CT, or PET-CT and are summarized as: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions. Participants who discontinued study therapy due to clinical progression, radiographic progression, or death without the required tumor assessments were considered to be non-responders in the Objective Response Rate (ORR) calculation. The efficacy analysis included all subjects with baseline tumor measurements who received at least 1 dose of study drug.

Analysis population: Overall best response was assessed in the Efficacy Analysis Set.

Groups in this outcome

Dose Escalation: 400 mg/Day

Participants received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 400 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 200 mg in the evening).

Dose Escalation: 600 mg/Day

Participants received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Escalation: 600 mg/Day (Liver Metastases

Participants with liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Escalation: 600 mg/Day (no Liver Metastases)

Participants with no liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Escalation: 800 mg/Day (Liver Metastases)

Participants with liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with of PLX3397 at 800 mg/day (administered twice daily \[BID\] as a split dose of 400 mg in the morning and 400 mg in the evening).

Dose Escalation: 800 mg/Day (no Liver Metastases)

Participants with no liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with of PLX3397 at 800 mg/day (administered twice daily \[BID\] as a split dose of 400 mg in the morning and 400 mg in the evening).

Dose Expansion: Melanoma

Participants with melanoma received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Expansion: NSCLC

Participants with NSCLC received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Expansion: Ovarian Cancer

Participants with ovarian cancer received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Expansion: SCCHN

Participants with SCCHN received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

Dose Expansion: GIST

Participants with GIST received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).

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: 400 mg/Day4
Dose Escalation: 600 mg/Day3
Dose Escalation: 600 mg/Day (Liver Metastases7
Dose Escalation: 600 mg/Day (no Liver Metastases)9
Dose Escalation: 800 mg/Day (Liver Metastases)4
Dose Escalation: 800 mg/Day (no Liver Metastases)6
Dose Expansion: Melanoma13
Dose Expansion: NSCLC8
Dose Expansion: Ovarian Cancer15
Dose Expansion: SCCHN3
Dose Expansion: GIST6

Reported measurements

Source class 1

Complete response

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma0Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC0Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer0Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN0Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST0Not reportedNot reportedNot reportedNot reported

Partial response

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma2Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC0Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer1Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN0Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST0Not reportedNot reportedNot reportedNot reported

Progressive disease

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day2Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases3Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)7Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)2Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma4Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC3Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer9Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN2Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST3Not reportedNot reportedNot reportedNot reported

Stable disease

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day2Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day2Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)2Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma3Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC2Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer1Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN0Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST3Not reportedNot reportedNot reportedNot reported

Not evaluable

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)0Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma0Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC0Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer0Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN0Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST0Not reportedNot reportedNot reportedNot reported

Not assessed for response

Values in Participants · Interval/dispersion: Not reported
GroupValueSpreadLowerUpperComment
Dose Escalation: 400 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day0Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (Liver Metastases2Not reportedNot reportedNot reportedNot reported
Dose Escalation: 600 mg/Day (no Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (Liver Metastases)2Not reportedNot reportedNot reportedNot reported
Dose Escalation: 800 mg/Day (no Liver Metastases)1Not reportedNot reportedNot reportedNot reported
Dose Expansion: Melanoma4Not reportedNot reportedNot reportedNot reported
Dose Expansion: NSCLC3Not reportedNot reportedNot reportedNot reported
Dose Expansion: Ovarian Cancer4Not reportedNot reportedNot reportedNot reported
Dose Expansion: SCCHN1Not reportedNot reportedNot reportedNot reported
Dose Expansion: GIST0Not reportedNot reportedNot reportedNot reported
Complete source fields
classes
  1. categories
    1. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        0
      3. group Id
        OG002
        value
        0
      4. group Id
        OG003
        value
        0
      5. group Id
        OG004
        value
        0
      6. group Id
        OG005
        value
        0
      7. group Id
        OG006
        value
        0
      8. group Id
        OG007
        value
        0
      9. group Id
        OG008
        value
        0
      10. group Id
        OG009
        value
        0
      11. group Id
        OG010
        value
        0
      title
      Complete response
    2. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        0
      3. group Id
        OG002
        value
        1
      4. group Id
        OG003
        value
        0
      5. group Id
        OG004
        value
        0
      6. group Id
        OG005
        value
        1
      7. group Id
        OG006
        value
        2
      8. group Id
        OG007
        value
        0
      9. group Id
        OG008
        value
        1
      10. group Id
        OG009
        value
        0
      11. group Id
        OG010
        value
        0
      title
      Partial response
    3. measurements
      1. group Id
        OG000
        value
        2
      2. group Id
        OG001
        value
        1
      3. group Id
        OG002
        value
        3
      4. group Id
        OG003
        value
        7
      5. group Id
        OG004
        value
        1
      6. group Id
        OG005
        value
        2
      7. group Id
        OG006
        value
        4
      8. group Id
        OG007
        value
        3
      9. group Id
        OG008
        value
        9
      10. group Id
        OG009
        value
        2
      11. group Id
        OG010
        value
        3
      title
      Progressive disease
    4. measurements
      1. group Id
        OG000
        value
        2
      2. group Id
        OG001
        value
        2
      3. group Id
        OG002
        value
        1
      4. group Id
        OG003
        value
        1
      5. group Id
        OG004
        value
        1
      6. group Id
        OG005
        value
        2
      7. group Id
        OG006
        value
        3
      8. group Id
        OG007
        value
        2
      9. group Id
        OG008
        value
        1
      10. group Id
        OG009
        value
        0
      11. group Id
        OG010
        value
        3
      title
      Stable disease
    5. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        0
      3. group Id
        OG002
        value
        0
      4. group Id
        OG003
        value
        0
      5. group Id
        OG004
        value
        0
      6. group Id
        OG005
        value
        0
      7. group Id
        OG006
        value
        0
      8. group Id
        OG007
        value
        0
      9. group Id
        OG008
        value
        0
      10. group Id
        OG009
        value
        0
      11. group Id
        OG010
        value
        0
      title
      Not evaluable
    6. measurements
      1. group Id
        OG000
        value
        0
      2. group Id
        OG001
        value
        0
      3. group Id
        OG002
        value
        2
      4. group Id
        OG003
        value
        1
      5. group Id
        OG004
        value
        2
      6. group Id
        OG005
        value
        1
      7. group Id
        OG006
        value
        4
      8. group Id
        OG007
        value
        3
      9. group Id
        OG008
        value
        4
      10. group Id
        OG009
        value
        1
      11. group Id
        OG010
        value
        0
      title
      Not assessed for response
denoms
  1. counts
    1. group Id
      OG000
      value
      4
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      7
    4. group Id
      OG003
      value
      9
    5. group Id
      OG004
      value
      4
    6. group Id
      OG005
      value
      6
    7. group Id
      OG006
      value
      13
    8. group Id
      OG007
      value
      8
    9. group Id
      OG008
      value
      15
    10. group Id
      OG009
      value
      3
    11. group Id
      OG010
      value
      6
    units
    Participants
description
Objective response rate was defined as the proportion of subjects who achieved a best disease response of either Complete or Partial (CR or PR) based on the Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1) for target lesions and assessed generally by MRI, CT, or PET-CT and are summarized as: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions. Participants who discontinued study therapy due to clinical progression, radiographic progression, or death without the required tumor assessments were considered to be non-responders in the Objective Response Rate (ORR) calculation. The efficacy analysis included all subjects with baseline tumor measurements who received at least 1 dose of study drug.
groups
  1. description
    Participants received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 400 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 200 mg in the evening).
    id
    OG000
    title
    Dose Escalation: 400 mg/Day
  2. description
    Participants received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG001
    title
    Dose Escalation: 600 mg/Day
  3. description
    Participants with liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG002
    title
    Dose Escalation: 600 mg/Day (Liver Metastases
  4. description
    Participants with no liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG003
    title
    Dose Escalation: 600 mg/Day (no Liver Metastases)
  5. description
    Participants with liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with of PLX3397 at 800 mg/day (administered twice daily \[BID\] as a split dose of 400 mg in the morning and 400 mg in the evening).
    id
    OG004
    title
    Dose Escalation: 800 mg/Day (Liver Metastases)
  6. description
    Participants with no liver metastases received pembrolizumab 200 mg IV every 3 weeks in combination with of PLX3397 at 800 mg/day (administered twice daily \[BID\] as a split dose of 400 mg in the morning and 400 mg in the evening).
    id
    OG005
    title
    Dose Escalation: 800 mg/Day (no Liver Metastases)
  7. description
    Participants with melanoma received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG006
    title
    Dose Expansion: Melanoma
  8. description
    Participants with NSCLC received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG007
    title
    Dose Expansion: NSCLC
  9. description
    Participants with ovarian cancer received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG008
    title
    Dose Expansion: Ovarian Cancer
  10. description
    Participants with SCCHN received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG009
    title
    Dose Expansion: SCCHN
  11. description
    Participants with GIST received pembrolizumab 200 mg IV every 3 weeks in combination with PLX3397 at 600 mg/day (administered twice daily \[BID\] as a split dose of 200 mg in the morning and 400 mg in the evening).
    id
    OG010
    title
    Dose Expansion: GIST
param Type
COUNT_OF_PARTICIPANTS
population Description
Overall best response was assessed in the Efficacy Analysis Set.
reporting Status
POSTED
time Frame
1 year (Dose Escalation); 2 years (Dose Expansion)
title
Summary of the Percentage of Participants With Objective Response Rate Assessed by RECIST v1.1 During Pembrolizumab and PLX3397
type
SECONDARY
unit Of Measure
Participants

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Preserved source evidence · Not medical advice