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NCT03601897 · OUTCOME

Duration of Response (DOR)

A Phase 1b/2 Study of Rebastinib (DCC-2036) in Combination With Paclitaxel in Patients With Advanced or Metastatic Solid Tumors · Source last updated 2024-12-27

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

Measure
MEDIAN
Unit
months
Interval / dispersion
90% Confidence Interval
Time frame
Time from CR or PR to PD or Death due to Any Cause (Up to 1.54 years)

What was measured

Time from CR or PR to the earliest documented evidence of PD or death due to any cause. Per RECIST v1.1, CR defined as disappearance of all target lesions. Any pathological lymph nodes (target or non-target) had to have reduction in short axis to \<10 mm. PR defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, or the appearance of one or more new lesions. mRECIST used for pleural mesothelioma defines CR as the disappearance of any intratumoural arterial enhancement in all target lesions; PR as at least a 30% decrease in the sum of diameters of viable target lesions, taking as reference the baseline sum of the diameters of target lesions; PD as an increase of at least 20% in the sum of the diameters of viable target lesions.

Analysis population: mITT participants that had CR or PR and were evaluable for this outcome measure.

Groups in this outcome

Part 1 Arm 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose escalation of rebastinib 50 mg BID PO in combination with paclitaxel administered by IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 1 Arm 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2

Dose escalation of rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose expansion in TNBC. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 1 Rebastinib 100 mg + Paclitaxel 80 mg/m^2

Dose expansion in TNBC. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 2 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose expansion in inflammatory breast cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2

Dose expansion in inflammatory breast cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 3 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose expansion in ovarian cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 3 Rebastinib 100 mg + Paclitaxel 80 mg/m^2

Dose expansion in ovarian cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 4 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose expansion in endometrial cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 4 Rebastinib 100 mg + Paclitaxel 80 mg/m^2

Dose expansion in endometrial cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

Part 2 Cohort 5 Rebastinib 50 mg + Paclitaxel 80 mg/m^2

Dose expansion in gynecological carcinosarcoma (GCS). Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.

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

Analysis denominator · Participants

GroupSource count
Part 1 Arm 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^23
Part 1 Arm 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^23
Part 2 Cohort 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^20
Part 2 Cohort 1 Rebastinib 100 mg + Paclitaxel 80 mg/m^21
Part 2 Cohort 2 Rebastinib 50 mg + Paclitaxel 80 mg/m^21
Part 2 Cohort 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^21
Part 2 Cohort 3 Rebastinib 50 mg + Paclitaxel 80 mg/m^28
Part 2 Cohort 3 Rebastinib 100 mg + Paclitaxel 80 mg/m^21
Part 2 Cohort 4 Rebastinib 50 mg + Paclitaxel 80 mg/m^24
Part 2 Cohort 4 Rebastinib 100 mg + Paclitaxel 80 mg/m^25
Part 2 Cohort 5 Rebastinib 50 mg + Paclitaxel 80 mg/m^21

Reported measurements

Source class 1
Values in months · Interval/dispersion: 90% Confidence Interval
GroupValueSpreadLowerUpperComment
Part 1 Arm 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^211.1Not reportedNANAThe 90% Confidence Interval (CI) was not estimable due to insufficient number of events.
Part 1 Arm 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2NANot reportedNANADOR median and 90% CI were not estimable due to insufficient number of events.
Part 2 Cohort 1 Rebastinib 100 mg + Paclitaxel 80 mg/m^26.9Not reportedNANAThe 90% CI was not estimable due to insufficient number of events.
Part 2 Cohort 2 Rebastinib 50 mg + Paclitaxel 80 mg/m^27.4Not reportedNANAThe 90% CI was not estimable due to insufficient number of events.
Part 2 Cohort 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2NANot reportedNANADOR median and 90% CI were not estimable due to insufficient number of events.
Part 2 Cohort 3 Rebastinib 50 mg + Paclitaxel 80 mg/m^26.5Not reported5.4NAThe 90% CI was not estimable due to insufficient number of events.
Part 2 Cohort 3 Rebastinib 100 mg + Paclitaxel 80 mg/m^25.5Not reportedNANAThe 90% CI was not estimable due to insufficient number of events.
Part 2 Cohort 4 Rebastinib 50 mg + Paclitaxel 80 mg/m^2NANot reported4.6NADOR median and 90% CI were not estimable due to insufficient number of events.
Part 2 Cohort 4 Rebastinib 100 mg + Paclitaxel 80 mg/m^28.8Not reported7.4NAThe 90% CI was not estimable due to insufficient number of events.
Part 2 Cohort 5 Rebastinib 50 mg + Paclitaxel 80 mg/m^2NANot reportedNANADOR median and 90% CI were not estimable due to insufficient number of events.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        The 90% Confidence Interval (CI) was not estimable due to insufficient number of events.
        group Id
        OG000
        lower Limit
        NA
        upper Limit
        NA
        value
        11.1
      2. comment
        DOR median and 90% CI were not estimable due to insufficient number of events.
        group Id
        OG001
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
      3. comment
        The 90% CI was not estimable due to insufficient number of events.
        group Id
        OG003
        lower Limit
        NA
        upper Limit
        NA
        value
        6.9
      4. comment
        The 90% CI was not estimable due to insufficient number of events.
        group Id
        OG004
        lower Limit
        NA
        upper Limit
        NA
        value
        7.4
      5. comment
        DOR median and 90% CI were not estimable due to insufficient number of events.
        group Id
        OG005
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
      6. comment
        The 90% CI was not estimable due to insufficient number of events.
        group Id
        OG006
        lower Limit
        5.4
        upper Limit
        NA
        value
        6.5
      7. comment
        The 90% CI was not estimable due to insufficient number of events.
        group Id
        OG007
        lower Limit
        NA
        upper Limit
        NA
        value
        5.5
      8. comment
        DOR median and 90% CI were not estimable due to insufficient number of events.
        group Id
        OG008
        lower Limit
        4.6
        upper Limit
        NA
        value
        NA
      9. comment
        The 90% CI was not estimable due to insufficient number of events.
        group Id
        OG009
        lower Limit
        7.4
        upper Limit
        NA
        value
        8.8
      10. comment
        DOR median and 90% CI were not estimable due to insufficient number of events.
        group Id
        OG010
        lower Limit
        NA
        upper Limit
        NA
        value
        NA
denoms
  1. counts
    1. group Id
      OG000
      value
      3
    2. group Id
      OG001
      value
      3
    3. group Id
      OG002
      value
      0
    4. group Id
      OG003
      value
      1
    5. group Id
      OG004
      value
      1
    6. group Id
      OG005
      value
      1
    7. group Id
      OG006
      value
      8
    8. group Id
      OG007
      value
      1
    9. group Id
      OG008
      value
      4
    10. group Id
      OG009
      value
      5
    11. group Id
      OG010
      value
      1
    units
    Participants
description
Time from CR or PR to the earliest documented evidence of PD or death due to any cause. Per RECIST v1.1, CR defined as disappearance of all target lesions. Any pathological lymph nodes (target or non-target) had to have reduction in short axis to \<10 mm. PR defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study, or the appearance of one or more new lesions. mRECIST used for pleural mesothelioma defines CR as the disappearance of any intratumoural arterial enhancement in all target lesions; PR as at least a 30% decrease in the sum of diameters of viable target lesions, taking as reference the baseline sum of the diameters of target lesions; PD as an increase of at least 20% in the sum of the diameters of viable target lesions.
dispersion Type
90% Confidence Interval
groups
  1. description
    Dose escalation of rebastinib 50 mg BID PO in combination with paclitaxel administered by IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG000
    title
    Part 1 Arm 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
  2. description
    Dose escalation of rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG001
    title
    Part 1 Arm 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2
  3. description
    Dose expansion in TNBC. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG002
    title
    Part 2 Cohort 1 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
  4. description
    Dose expansion in TNBC. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG003
    title
    Part 2 Cohort 1 Rebastinib 100 mg + Paclitaxel 80 mg/m^2
  5. description
    Dose expansion in inflammatory breast cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG004
    title
    Part 2 Cohort 2 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
  6. description
    Dose expansion in inflammatory breast cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG005
    title
    Part 2 Cohort 2 Rebastinib 100 mg + Paclitaxel 80 mg/m^2
  7. description
    Dose expansion in ovarian cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG006
    title
    Part 2 Cohort 3 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
  8. description
    Dose expansion in ovarian cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG007
    title
    Part 2 Cohort 3 Rebastinib 100 mg + Paclitaxel 80 mg/m^2
  9. description
    Dose expansion in endometrial cancer. Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG008
    title
    Part 2 Cohort 4 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
  10. description
    Dose expansion in endometrial cancer. Rebastinib 100 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG009
    title
    Part 2 Cohort 4 Rebastinib 100 mg + Paclitaxel 80 mg/m^2
  11. description
    Dose expansion in gynecological carcinosarcoma (GCS). Rebastinib 50 mg BID PO in combination with paclitaxel IV infusion at 80 mg/m\^2 on days 1, 8, and 15 of repeated 28-day cycles.
    id
    OG010
    title
    Part 2 Cohort 5 Rebastinib 50 mg + Paclitaxel 80 mg/m^2
param Type
MEDIAN
population Description
mITT participants that had CR or PR and were evaluable for this outcome measure.
reporting Status
POSTED
time Frame
Time from CR or PR to PD or Death due to Any Cause (Up to 1.54 years)
title
Duration of Response (DOR)
type
SECONDARY
unit Of Measure
months

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Preserved source evidence · Not medical advice