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NCT02988817 · OUTCOME

Duration of Response (DoR) Based on RECIST v1.1 as Assessed by Investigator for Expansion Part

Enapotamab Vedotin (HuMax-AXL-ADC) Safety Study in Patients With Solid Tumors · Source last updated 2023-08-01

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

Measure
MEDIAN
Unit
Months
Interval / dispersion
95% Confidence Interval
Time frame
Day 1 through 44.5 months (maximum observed duration)

What was measured

The DoR was defined as the number of months from the first documentation of objective tumor response (CR or PR) to the date of first progressive disease (PD) or death. The OR was defined as confirmed CR or confirmed PR per RECIST v1.1. The changes in tumor measurements that were confirmed by repeat assessments performed no less than 4 weeks after initial response are called confirmed responses. The CR was defined as disappearance of all target and non-target lesions and all pathological lymph nodes must have decreased to \< 10 mm in short axis. The PR was defined as at least a 30% decrease in the sum of the longest diameters (LD) of target lesions taking as reference the baseline sum of LD. The PD was defined as at least 20% increase in the sum of LD of target lesions taking as reference the smallest sum of the LD recorded since the treatment started or the appearance of one or more new target and non-target lesions and/or unequivocal progression of existing non-target lesions.

Analysis population: The full analysis set included all participants who received at least 1 dose of enapotamab vedotin. Participants were classified according to first dose received. Participants who achieved confirmed OR by the investigator assessment were evaluated for this outcome measure.

Groups in this outcome

Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic NSCLC with classical sensitizing EGFR mutations and/or EGFR mutations targeted by third-generation tyrosine kinase inhibitors) received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 3: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic melanoma with BRAF V600 mutation received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 4: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic melanoma with BRAF V600 wild type received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 5: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic sarcoma received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 6: Enapotamab Vedotin 1.0 mg/kg 3Q4W

Participants with advanced and/or metastatic solid tumors (excluding NSCLC, melanoma, sarcoma, and ovarian cancer unless having a known AXL gene amplification) received IV infusion of enapotamab vedotin 1.0 mg/kg 3Q4W until the end of treatment.

Expansion Part Cohort 7: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic platinum-resistant ovarian cancer received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 2: Enapotamab Vedotin 2.2 mg/kg 1Q3W

Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 2: Enapotamab Vedotin 1.8 mg/kg 1Q3W

Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 1.8 mg/kg 1Q3W until the end of treatment.

Expansion Part Cohort 8: Enapotamab Vedotin 1.0 mg/kg 3Q4W

Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 1.0 mg/kg 3Q4W until the end of treatment.

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

Analysis denominator · Participants

GroupSource count
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W0
Expansion Part Cohort 3: Enapotamab Vedotin 2.2 mg/kg 1Q3W1
Expansion Part Cohort 4: Enapotamab Vedotin 2.2 mg/kg 1Q3W2
Expansion Part Cohort 5: Enapotamab Vedotin 2.2 mg/kg 1Q3W0
Expansion Part Cohort 6: Enapotamab Vedotin 1.0 mg/kg 3Q4W2
Expansion Part Cohort 7: Enapotamab Vedotin 2.2 mg/kg 1Q3W1
Expansion Part Cohort 2: Enapotamab Vedotin 2.2 mg/kg 1Q3W1
Expansion Part Cohort 2: Enapotamab Vedotin 1.8 mg/kg 1Q3W1
Expansion Part Cohort 8: Enapotamab Vedotin 1.0 mg/kg 3Q4W1

Reported measurements

Source class 1
Values in Months · Interval/dispersion: 95% Confidence Interval
GroupValueSpreadLowerUpperComment
Expansion Part Cohort 3: Enapotamab Vedotin 2.2 mg/kg 1Q3W4.2Not reportedNANA95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 4: Enapotamab Vedotin 2.2 mg/kg 1Q3W4.1Not reported2.4NAUpper limit of 95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 6: Enapotamab Vedotin 1.0 mg/kg 3Q4W4.9Not reported2.6NAUpper limit of 95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 7: Enapotamab Vedotin 2.2 mg/kg 1Q3W3.0Not reportedNANA95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 2: Enapotamab Vedotin 2.2 mg/kg 1Q3WNANot reported3.0NAMedian and upper limit of 95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 2: Enapotamab Vedotin 1.8 mg/kg 1Q3W3.0Not reportedNANA95% confidence interval was not reached due to an insufficient events being observed.
Expansion Part Cohort 8: Enapotamab Vedotin 1.0 mg/kg 3Q4W4.9Not reportedNANA95% confidence interval was not reached due to an insufficient events being observed.
Complete source fields
classes
  1. categories
    1. measurements
      1. comment
        95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG001
        lower Limit
        NA
        upper Limit
        NA
        value
        4.2
      2. comment
        Upper limit of 95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG002
        lower Limit
        2.4
        upper Limit
        NA
        value
        4.1
      3. comment
        Upper limit of 95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG004
        lower Limit
        2.6
        upper Limit
        NA
        value
        4.9
      4. comment
        95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG005
        lower Limit
        NA
        upper Limit
        NA
        value
        3.0
      5. comment
        Median and upper limit of 95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG006
        lower Limit
        3.0
        upper Limit
        NA
        value
        NA
      6. comment
        95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG007
        lower Limit
        NA
        upper Limit
        NA
        value
        3.0
      7. comment
        95% confidence interval was not reached due to an insufficient events being observed.
        group Id
        OG008
        lower Limit
        NA
        upper Limit
        NA
        value
        4.9
denoms
  1. counts
    1. group Id
      OG000
      value
      0
    2. group Id
      OG001
      value
      1
    3. group Id
      OG002
      value
      2
    4. group Id
      OG003
      value
      0
    5. group Id
      OG004
      value
      2
    6. group Id
      OG005
      value
      1
    7. group Id
      OG006
      value
      1
    8. group Id
      OG007
      value
      1
    9. group Id
      OG008
      value
      1
    units
    Participants
description
The DoR was defined as the number of months from the first documentation of objective tumor response (CR or PR) to the date of first progressive disease (PD) or death. The OR was defined as confirmed CR or confirmed PR per RECIST v1.1. The changes in tumor measurements that were confirmed by repeat assessments performed no less than 4 weeks after initial response are called confirmed responses. The CR was defined as disappearance of all target and non-target lesions and all pathological lymph nodes must have decreased to \< 10 mm in short axis. The PR was defined as at least a 30% decrease in the sum of the longest diameters (LD) of target lesions taking as reference the baseline sum of LD. The PD was defined as at least 20% increase in the sum of LD of target lesions taking as reference the smallest sum of the LD recorded since the treatment started or the appearance of one or more new target and non-target lesions and/or unequivocal progression of existing non-target lesions.
dispersion Type
95% Confidence Interval
groups
  1. description
    Participants with advanced and/or metastatic NSCLC with classical sensitizing EGFR mutations and/or EGFR mutations targeted by third-generation tyrosine kinase inhibitors) received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG000
    title
    Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  2. description
    Participants with advanced and/or metastatic melanoma with BRAF V600 mutation received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG001
    title
    Expansion Part Cohort 3: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  3. description
    Participants with advanced and/or metastatic melanoma with BRAF V600 wild type received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG002
    title
    Expansion Part Cohort 4: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  4. description
    Participants with advanced and/or metastatic sarcoma received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG003
    title
    Expansion Part Cohort 5: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  5. description
    Participants with advanced and/or metastatic solid tumors (excluding NSCLC, melanoma, sarcoma, and ovarian cancer unless having a known AXL gene amplification) received IV infusion of enapotamab vedotin 1.0 mg/kg 3Q4W until the end of treatment.
    id
    OG004
    title
    Expansion Part Cohort 6: Enapotamab Vedotin 1.0 mg/kg 3Q4W
  6. description
    Participants with advanced and/or metastatic platinum-resistant ovarian cancer received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG005
    title
    Expansion Part Cohort 7: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  7. description
    Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 2.2 mg/kg 1Q3W until the end of treatment.
    id
    OG006
    title
    Expansion Part Cohort 2: Enapotamab Vedotin 2.2 mg/kg 1Q3W
  8. description
    Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 1.8 mg/kg 1Q3W until the end of treatment.
    id
    OG007
    title
    Expansion Part Cohort 2: Enapotamab Vedotin 1.8 mg/kg 1Q3W
  9. description
    Participants with advanced and/or metastatic NSCLC without activating EGFR mutations or ALK rearrangements received IV infusion of enapotamab vedotin 1.0 mg/kg 3Q4W until the end of treatment.
    id
    OG008
    title
    Expansion Part Cohort 8: Enapotamab Vedotin 1.0 mg/kg 3Q4W
param Type
MEDIAN
population Description
The full analysis set included all participants who received at least 1 dose of enapotamab vedotin. Participants were classified according to first dose received. Participants who achieved confirmed OR by the investigator assessment were evaluated for this outcome measure.
reporting Status
POSTED
time Frame
Day 1 through 44.5 months (maximum observed duration)
title
Duration of Response (DoR) Based on RECIST v1.1 as Assessed by Investigator for Expansion Part
type
SECONDARY
unit Of Measure
Months

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Preserved source evidence · Not medical advice