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GEN1042

Phase 1

Malignant Solid Tumor | Monoclonal antibody | Oncology |Genmab A/S|Last Updated: Jun 2, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment392
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06057038A Safety Trial of GEN1042 in Japanese Subjects With Malignant Solid TumorsPHASE1 ACTIVE NOT_RECRUITING 42Nov 24, 2023Nov 28, 2026Jun 2, 20263 Japan
NCT04083599GEN1042 Safety Trial and Anti-tumor Activity in Participants With Malignant Solid TumorsPHASE1 ACTIVE NOT_RECRUITING 350Sep 17, 2019Nov 1, 2026Jun 2, 202676 United States, Denmark +10
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Study Endpoints
Primary Endpoints
Number of Participants with Dose Limiting Toxicities (DLTs)
During the first cycle (Cycle length = 21 days)

Toxicities will be graded for severity according to the National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE), version (v) 5.0.

Percentage of Participants with Adverse Events (AEs)
From first dose until the end of the treatment (approximately 3 years)

An AE is any untoward medical occurrence in a participant or clinical trial participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease (new or exacerbated) temporally associated with the use of a medicinal product.

Dose Escalation and Safety Run-in Parts: Number of Participants With Dose-Limiting Toxicities (DLTs)
First Cycle (21 days)

Toxicities will be graded for severity according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) criteria version 5.0

Dose Expansion: Objective Response Rate (ORR)
Up to approximately 2 years and 4 months

ORR is defined as the percentage of participants with best overall response (BOR) \[complete or partial response (PR or CR)\] based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 as assessed by the investigator.

Secondary Endpoints
Maximum (Peak) Plasma Concentration (Cmax) of GEN1042
Predose and postdose at multiple timepoints up to end of treatment (approximately 3 years)
Area Under the Concentration-time Curve (AUC) From Time Zero to Last Quantifiable Sample (AUClast) of GEN1042
Predose and postdose at multiple timepoints up to end of treatment (approximately 3 years)
Time to Reach Cmax (Tmax) of GEN1042
Predose and postdose at multiple timepoints up to end of treatment (approximately 3 years)
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Monotherapy (non-CNS Malignant Solid Tumors): GEN1042EXPERIMENTAL -
Combination Therapy Cohort 1 [HNSCC]: GEN1042+Pembro+ChemotherapyEXPERIMENTAL -
Combination Therapy Cohort 2 [HNSCC and NSCLC]: GEN1042+PembroEXPERIMENTAL -
Combination Therapy Cohort 3 [HNSCC]: GEN1042+Pembro+ChemotherapyEXPERIMENTAL -
Combination Therapy Cohort 4 [HNSCC and NSCLC]: GEN1042+PembroEXPERIMENTAL -
Monotherapy - Dose Escalation and Dose Expansion PartsEXPERIMENTAL -
Combination Therapy - Safety Run-in and Expansion PartsEXPERIMENTAL -
Interventions
NameTypeDescription
GEN1042BIOLOGICALIntravenous
PembrolizumabDRUGIntravenous
CisplatinDRUGIntravenous
CarboplatinDRUGIntravenous
5-FluorouracilDRUGIntravenous
5-FUDRUGIntravenous
GemcitabineDRUGIntravenous
Nab paclitaxelDRUGIntravenous
PemetrexedDRUGIntravenous
PaclitaxelDRUGIntravenous
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites3

Key Inclusion Criteria: 1. Must have measurable disease according to RECIST v1.1. 2. Eastern Cooperative Oncology Group (ECOG) performance status score of 0-1. 3. Acceptable organ and bone marrow function. 4. Participant must have a life expectancy of at least 3 months. Key Exclusion Criteria: 1....

Countries:JapanUnited StatesDenmarkFranceGeorgiaGermanyIsraelItalyMoldovaSouth KoreaSpainTaiwanUnited Kingdom
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Recent Changes (Last 90 Days)
LOWJun 2, 2026NCT04083599lastUpdatePostDate: changed
LOWJun 2, 2026NCT06057038lastUpdatePostDate: changed
LOWJun 2, 2026NCT04083599lastUpdatePostDate: changed
LOWJun 2, 2026NCT06057038lastUpdatePostDate: changed
LOWJun 2, 2026NCT04083599lastUpdatePostDate: changed
LOWJun 2, 2026NCT06057038lastUpdatePostDate: changed
LOWMay 26, 2026NCT04083599primaryCompletionDate: changed
LOWMay 26, 2026NCT06057038primaryCompletionDate: changed
LOWMay 24, 2026NCT04083599studyFirstPostDate: changed
LOWMay 24, 2026NCT06057038studyFirstPostDate: changed