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NCT02988817

Enapotamab Vedotin (HuMax-AXL-ADC) Safety Study in Patients With Solid Tumors

Completed Phase 1, PHASE2 Results posted Last updated 1 August 2023
What this trial tests

Phase 1, PHASE2 trial testing Enapotamab vedotin (HuMax-AXL-ADC) in Ovarian Cancer in 306 participants. Completed in 12 November 2021.

Timeline
23 November 2016
Primary endpoint
12 November 2021
12 November 2021

Quick facts

Lead sponsorGenmab
PhasePhase 1, PHASE2
StatusCompleted
Study typeINTERVENTIONAL
Allocationna
Designsequential
Maskingnone
Primary purposetreatment
Enrollment306
Start date23 November 2016
Primary completion12 November 2021
Estimated completion12 November 2021
Sites41 locations across Denmark, Netherlands, Belgium, United Kingdom, United States, Spain

Drugs / interventions tested

Conditions studied

Sponsor

Genmab — full company profile →

Who can join

18 and older, any sex, with Ovarian Cancer or Cervical Cancer. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Number of Participants With Dose-limiting Toxicities (DLTs) for Dose-escalation Part Primary · From Day 1 to Day 21 of first cycle for 1Q3W dosing regimen and from Day 1 to Day 28 of first cycle for 3Q4W dosing regimen

The DLTs were defined as Grade (G) 4 neutropenia or G4 thrombocytopenia for a minimal duration of 7 days, G3 and G4 febrile neutropenia, \>=G3 hemorrhage associated with \>=G3 thrombocytopenia, G4 anemia; Stevens Johnson syndrome, toxic epidermal necrolysis, \>=G3 cutaneous vasculitis; G3 neuropathy (not improved to G1 within 3 weeks following pausing of dosing) and G4 neuropathy; G3 infusion-related reactions (IRR) that did not resolve to G1 or baseline within 24 hours; G4 IRR or G4 anaphylaxis events; \>= G3 diarrhoea and/or vomiting persisting \>48 hours or G3 nausea lasting 7 days (both de

GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W2
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W2
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs) Primary · Day 1 through Day 1130 (maximum observed duration)

An adverse event (AE) is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE is defined as an AE that meets one of the following criteria: requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant incapacity or substantial disruption of the ability to conduct normal life functions, is a congenital anomaly/birth defect, is medically important, results in death, or is life-threatening. In this trial, a TEAE was defined as an AE occurring or worsening betwee

Any TEAE
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W10
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W11
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W3
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W3
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W6
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W3
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W22
Any TESAE
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W2
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W7
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W6
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W2
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W1
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W2
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W3
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W15
Number of Participants With Treatment-emergent Infusion-related AEs and TEAEs Related to Enapotamab Vedotin Primary · Day 1 through Day 1130 (maximum observed duration)

Number of participants with treatment-emergent infusion-related AEs and TEAEs related to enapotamab vedotin is reported.

Treatment emergent infusion-related AEs
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W2
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W1
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W0
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W0
TEAEs related to enapotamab vedotin
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W1
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W10
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W10
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W3
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W3
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W6
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W3
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W21
Number of Participants With >= Grade 3 TEAEs as Assessed by National Cancer Institute - Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 4.03 Primary · Day 1 through Day 1130 (maximum observed duration)

Number of participants with TEAEs of \>= Grade 3 as assessed by NCI-CTCAE v4.03 is reported. The NCI-CTCAE is a descriptive terminology is used for AE reporting. The NCI-CTCAE v4.03 displays Grades 1 through 5 with unique clinical descriptions of severity for each AE, based on this general guideline: Grade 1 as mild AE, Grade 2 as moderate AE, Grade 3 as severe AE, Grade 4 as life-threatening or disabling AE, and Grade 5 as death. If a participant reported multiple severity grades for an AE, only the maximum grade was used.

GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W2
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W7
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W9
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W3
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W1
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W0
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W3
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W3
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W15
Area Under the Plasma Concentration-time Curve From Time 0 to Infinity (AUC0-inf) of Conjugated Enapotamab Vedotin for 1Q3W Dose-escalation Part Secondary · Predose, end of infusion (EOI), and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3

The AUC0-inf of conjugated enapotamab vedotin for 1Q3W dose-escalation part is reported. Sample scheduling of the 3Q4W dosing regimen did not allow calculation of the specific outcome measure.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W6.143± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W13.233± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W18.353± 8.6
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W40.921± 27.7
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W64.140± 13.2
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W67.998± 32.2
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W76.264± 31.7
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W5.780± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W10.892± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W18.664± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W39.589± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W56.842± 23.8
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W61.161± 10.7
Area Under the Plasma Concentration-time Curve From Time 0 to Last Measurable Concentration (AUC0-last) of Conjugated Enapotamab Vedotin for 1Q3W Dose-escalation Part Secondary · Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3

The AUC0-last of conjugated enapotamab vedotin for 1Q3W dose-escalation part is reported. Sample scheduling of the 3Q4W dosing regimen did not allow calculation of the specific outcome measure.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W5.509± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W10.369± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W16.004± 18.5
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W36.526± 29.7
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W58.410± 11.6
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W62.563± 29.7
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W71.196± 32.5
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W5.306± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W9.157± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W15.047± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W36.333± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W51.541± 21.4
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W57.759± 11.9
Maximum Observed Plasma Concentration (Cmax) of Conjugated Enapotamab Vedotin for Dose-escalation Part Secondary · For 1Q3W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3; For 3Q4W dosing regimen: Predose and EOI on Days 1 and 8 of Cycles 1 and 3; and predose, EOI, and 2 and 5 hours after EOI on Day 15 of Cycles 1 and 3

The Cmax of conjugated enapotamab vedotin for dose-escalation part is reported.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W7.250± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W12.600± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W16.615± 16.7
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W33.005± 9.4
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W39.647± 11.4
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W43.377± 25.6
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W48.548± 33.0
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W10.127± 40.2
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W14.307± 31.6
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W18.040± 12.0
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W17.928± 22.0
Cycle 1 Day 8
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W14.201± 11.9
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W16.765± 36.3
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W18.698± 8.1
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W18.958± 19.5
Cycle 1 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W13.172± 8.0
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W16.166± 37.2
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W16.991± 7.8
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W18.500± NA
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W6.870± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W11.000± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W16.200± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W32.400± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W35.890± 17.9
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W38.928± 9.0
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W22.400± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W21.800± NA
Cycle 3 Day 8
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W21.200± NA
Cycle 3 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W24.100± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W22.800± NA
Total Clearance (CL) of Conjugated Enapotamab Vedotin in Dose-escalation Part Secondary · For 1Q3W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3; For 3Q4W dosing regimen: EOI, and 2 and 5 hours after EOI on Day 15 of Cycles 1 and 3

The total CL of conjugated enapotamab vedotin in dose-escalation part is reported.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W4.053± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W3.446± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W3.538± 21.8
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W2.307± 28.3
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W2.202± 22.2
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W2.205± 25.4
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W1.783± 24.3
Cycle 1 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W3.679± 9.4
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W3.084± 93.8
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W3.402± 31.3
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W2.629± NA
Cycle 3 day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W4.360± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W4.187± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W3.000± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W2.160± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W2.285± 27.1
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W2.539± 14.7
Cycle 3 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W2.281± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W3.412± NA
Time of Maximum Plasma Concentration (Tmax) of Conjugated Enapotamab Vedotin for Dose-escalation Part Secondary · For 1Q3W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3; For 3Q4W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 15 of Cycles 1 and 3

The Tmax of conjugated enapotamab vedotin for dose-escalation part is reported.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0.060.06 – 0.06
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0.030.03 – 0.03
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0.0360.03 – 0.04
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W0.0330.03 – 0.04
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W0.0320.02 – 0.09
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W0.0320.02 – 0.04
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W0.030.02 – 0.03
Cycle 1 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W14.01013.96 – 14.88
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W14.05813.98 – 14.08
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W14.08314.00 – 14.19
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W13.9813.98 – 13.98
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0.040.04 – 0.04
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W0.030.03 – 0.03
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W0.040.04 – 0.04
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W0.0300.03 – 0.03
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W0.0360.02 – 0.05
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W0.0420.03 – 0.11
Cycle 3 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W14.0214.02 – 14.02
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W13.9813.98 – 13.98
Half-life Lambda-z (t1/2) of Conjugated Enapotamab Vedotin for Dose-escalation Part Secondary · For 1Q3W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3; For 3Q4W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 15 of Cycles 1 and 3

The t1/2 of conjugated enapotamab vedotin for dose-escalation part is reported.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0.870.87 – 0.87
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W1.491.49 – 1.49
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W1.3621.02 – 1.39
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W1.3841.19 – 1.65
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W2.0041.67 – 2.53
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W1.8101.53 – 2.74
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W2.1531.99 – 2.60
Cycle 1 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W1.0970.66 – 1.56
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W1.3980.91 – 1.81
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W1.4230.77 – 1.96
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W2.052.05 – 2.05
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W0.780.78 – 0.78
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W1.071.07 – 1.07
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W1.1301.13 – 1.13
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W1.681.68 – 1.68
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W2.1171.55 – 2.90
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W2.0351.38 – 2.74
Cycle 3 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W1.511.51 – 1.51
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W1.441.44 – 1.44
Volume of Distribution at Steady State (Vss) of Conjugated Enapotamab Vedotin for Dose-escalation Part Secondary · For 1Q3W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3; For 3Q4W dosing regimen: Predose, EOI, and 2 and 5 hours after EOI on Day 15 of Cycles 1 and 3

The Vss of conjugated enapotamab vedotin for dose-escalation part is reported.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W4.909± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W6.544± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W5.873± 9.8
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W4.208± 12.5
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W6.028± 18.4
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W5.489± 24.2
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W5.038± 27.3
Cycle 1 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W57.736± 10.0
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W48.001± 91.1
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W53.436± 28.0
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W42.708± NA
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W4.755± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W6.288± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W4.870± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W4.534± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W6.072± 24.2
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W6.656± 22.0
Cycle 3 Day 15
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W36.476± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W53.085± NA
AUC0-inf of Free Toxin Monomethyl Auristatin E (MMAE) for 1Q3W Dose-escalation Part Secondary · Predose, EOI, and 2 and 5 hours after EOI on Day 1 of Cycles 1 and 3

The AUC0-inf of MMAE for 1Q3W dose-escalation part is reported. Sample scheduling of the 3Q4W dosing regimen did not allow calculation of the specific outcome measure.

Cycle 1 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W3832.48± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W6144.11± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W13673.7± 110.4
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W26549.1± 82.9
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W33494.5± 47.1
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W50459.6± 117.0
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W48626.4± 95.5
Cycle 3 Day 1
GroupValue95% CI
Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W3248.46± NA
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W7452.05± NA
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W4338.20± NA
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W47093.9± NA
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W30512.0± 47.8
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W34188.6± 46.6
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W16754.5± NA

Adverse events — posted to ClinicalTrials.gov

Time frame: For TEAEs: Day 1 through Day 1130 and for all-cause mortality: From date of inform consent form until death (up to 44.5 months) (maximum observed duration). Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Dose-escalation Part: Enapotamab Vedotin 0.3 mg/kg 1Q3W
Serious: 0/1 (0%)
Deaths: 0/1
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 1Q3W
Serious: 0/1 (0%)
Deaths: 1/1
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 1Q3W
Serious: 0/3 (0%)
Deaths: 3/3
Dose-escalation Part: Enapotamab Vedotin 1.5 mg/kg 1Q3W
Serious: 2/3 (67%)
Deaths: 1/3
Dose-escalation Part: Enapotamab Vedotin 2.0 mg/kg 1Q3W
Serious: 7/10 (70%)
Deaths: 6/10
Dose-escalation Part: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 6/11 (55%)
Deaths: 10/11
Dose-escalation Part: Enapotamab Vedotin 2.4 mg/kg 1Q3W
Serious: 2/3 (67%)
Deaths: 1/3
Dose-escalation Part: Enapotamab Vedotin 0.6 mg/kg 3Q4W
Serious: 1/3 (33%)
Deaths: 2/3
Dose-escalation Part: Enapotamab Vedotin 0.8 mg/kg 3Q4W
Serious: 0/3 (0%)
Deaths: 1/3
Dose-escalation Part: Enapotamab Vedotin 1.0 mg/kg 3Q4W
Serious: 2/6 (33%)
Deaths: 5/6
Dose-escalation Part: Enapotamab Vedotin 1.2 mg/kg 3Q4W
Serious: 3/3 (100%)
Deaths: 1/3
Expansion Part Cohort 1: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 15/22 (68%)
Deaths: 8/22
Expansion Part Cohort 3: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 5/16 (31%)
Deaths: 9/16
Expansion Part Cohort 4: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 16/25 (64%)
Deaths: 17/25
Expansion Part Cohort 5: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 10/25 (40%)
Deaths: 18/25
Expansion Part Cohort 6: Enapotamab Vedotin 1.0 mg/kg 3Q4W
Serious: 16/44 (36%)
Deaths: 30/44
Expansion Part Cohort 7: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 12/25 (48%)
Deaths: 17/25
Expansion Part Cohort 2: Enapotamab Vedotin 2.2 mg/kg 1Q3W
Serious: 33/56 (59%)
Deaths: 38/56
Expansion Part Cohort 2: Enapotamab Vedotin 1.8 mg/kg 1Q3W
Serious: 7/20 (35%)
Deaths: 14/22
Expansion Part Cohort 8: Enapotamab Vedotin 1.0 mg/kg 3Q4W
Serious: 14/26 (54%)
Deaths: 16/26

Serious adverse events (103 terms)

ReactionSystemDose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Expansion Part Cohort 1: E…Expansion Part Cohort 3: E…Expansion Part Cohort 4: E…Expansion Part Cohort 5: E…Expansion Part Cohort 6: E…Expansion Part Cohort 7: E…Expansion Part Cohort 2: E…Expansion Part Cohort 2: E…Expansion Part Cohort 8: E…
ConstipationGastrointestinal disorders
NauseaGastrointestinal disorders
PneumoniaInfections and infestations
Malignant Neoplasm ProgressionNeoplasms benign, malignant and unspecified (incl cysts and polyps)
Pulmonary EmbolismRespiratory, thoracic and mediastinal disorders
ColitisGastrointestinal disorders
VomitingGastrointestinal disorders
General Physical Health DeteriorationGeneral disorders
HyponatraemiaMetabolism and nutrition disorders
DyspnoeaRespiratory, thoracic and mediastinal disorders
NeutropeniaBlood and lymphatic system disorders
Abdominal PainGastrointestinal disorders
Small Intestinal ObstructionGastrointestinal disorders
FatigueGeneral disorders
PyrexiaGeneral disorders
Lower Respiratory Tract InfectionInfections and infestations
SepsisInfections and infestations
Septic ShockInfections and infestations
Urinary Tract InfectionInfections and infestations
DehydrationMetabolism and nutrition disorders
Peripheral Sensorimotor NeuropathyNervous system disorders
PneumonitisRespiratory, thoracic and mediastinal disorders
AnaemiaBlood and lymphatic system disorders
Febrile NeutropeniaBlood and lymphatic system disorders
Atrial FibrillationCardiac disorders
Other adverse events (404 terms — click to expand)

ReactionSystemDose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Dose-escalation Part: Enap…Expansion Part Cohort 1: E…Expansion Part Cohort 3: E…Expansion Part Cohort 4: E…Expansion Part Cohort 5: E…Expansion Part Cohort 6: E…Expansion Part Cohort 7: E…Expansion Part Cohort 2: E…Expansion Part Cohort 2: E…Expansion Part Cohort 8: E…
ConstipationGastrointestinal disorders
FatigueGeneral disorders
Decreased AppetiteMetabolism and nutrition disorders
NauseaGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
VomitingGastrointestinal disorders
AlopeciaSkin and subcutaneous tissue disorders
Aspartate Aminotransferase IncreasedInvestigations
Weight DecreasedInvestigations
HypokalaemiaMetabolism and nutrition disorders
AnaemiaBlood and lymphatic system disorders
Abdominal PainGastrointestinal disorders
Peripheral Sensory NeuropathyNervous system disorders
Alanine Aminotransferase IncreasedInvestigations
HypomagnesaemiaMetabolism and nutrition disorders
DyspnoeaRespiratory, thoracic and mediastinal disorders
NeutropeniaBlood and lymphatic system disorders
Back PainMusculoskeletal and connective tissue disorders
ArthralgiaMusculoskeletal and connective tissue disorders
InsomniaPsychiatric disorders
PyrexiaGeneral disorders
HypotensionVascular disorders
Urinary Tract InfectionInfections and infestations
Blood Alkaline Phosphatase IncreasedInvestigations
Gamma-glutamyltransferase IncreasedInvestigations
HyponatraemiaMetabolism and nutrition disorders
DysgeusiaNervous system disorders
PruritusSkin and subcutaneous tissue disorders
RashSkin and subcutaneous tissue disorders
Dry MouthGastrointestinal disorders
ChillsGeneral disorders
Oral CandidiasisInfections and infestations
MyalgiaMusculoskeletal and connective tissue disorders
Pain in ExtremityMusculoskeletal and connective tissue disorders
DizzinessNervous system disorders
HeadacheNervous system disorders
Neuropathy PeripheralNervous system disorders
Restless Legs SyndromeNervous system disorders
CoughRespiratory, thoracic and mediastinal disorders
TachycardiaCardiac disorders

Most-reported serious reactions: Constipation, Nausea, Pneumonia, Malignant Neoplasm Progression, Pulmonary Embolism, Colitis, Vomiting, General Physical Health Deterioration.

Data from ClinicalTrials.gov NCT02988817 adverse events section.

Sponsor's own description

The purpose of the trial is to determine the maximum tolerated dose and to establish the safety profile of HuMax-AXL-ADC in a mixed population of patients with specified solid tumors

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Next generation of immune checkpoint inhibitors and beyond.
    Marin-Acevedo JA, Kimbrough EO, Lou Y. · · 2021 · cited 401× · PMID 33741032 · DOI 10.1186/s13045-021-01056-8
  2. Antibody-Drug Conjugates for Cancer Therapy.
    Hafeez U, Parakh S, Gan HK, Scott AM. · · 2020 · cited 283× · PMID 33081383 · DOI 10.3390/molecules25204764
  3. Emerging therapeutic agents for advanced non-small cell lung cancer.
    Chen R, Manochakian R, James L, Azzouqa AG, et al · · 2020 · cited 244× · PMID 32448366 · DOI 10.1186/s13045-020-00881-7
  4. Precision medicine for human cancers with Notch signaling dysregulation (Review).
    Katoh M, Katoh M. · · 2020 · cited 159× · PMID 31894255 · DOI 10.3892/ijmm.2019.4418
  5. Targeting cancer with antibody-drug conjugates: Promises and challenges.
    Dean AQ, Luo S, Twomey JD, Zhang B. · · 2021 · cited 145× · PMID 34291723 · DOI 10.1080/19420862.2021.1951427
  6. Cancer immunotherapy beyond immune checkpoint inhibitors.
    Marin-Acevedo JA, Soyano AE, Dholaria B, Knutson KL, et al · · 2018 · cited 140× · PMID 29329556 · DOI 10.1186/s13045-017-0552-6
  7. Antibody structure and engineering considerations for the design and function of Antibody Drug Conjugates (ADCs).
    Hoffmann RM, Coumbe BGT, Josephs DH, Mele S, et al · · 2018 · cited 134× · PMID 29375935 · DOI 10.1080/2162402x.2017.1395127
  8. Current Advances in the Treatment of BRAF-Mutant Melanoma.
    Patel H, Yacoub N, Mishra R, White A, et al · · 2020 · cited 133× · PMID 32092958 · DOI 10.3390/cancers12020482

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