- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06046274
GEN1046 in Combination With Anticancer Agents for the Treatment of Advanced Endometrial Cancer
A Phase 2 Exploratory, Multicenter, Open-Label Trial to Determine the Safety and Preliminary Clinical Activity of GEN1046 in Combination With Anticancer Agents in Subjects With Advanced Endometrial Cancer
The goal of this clinical study is to learn about the bispecific antibody, acasunlimab (also known as GEN1046) in combination with the cancer drug pembrolizumab for treatment of participants with incurable endometrial cancer (cancer of the womb). The main questions the study aims to answer are:
- How well acasunlimab in combination with pembrolizumab works against endometrial cancer
- What are the potential side effects participants may experience when they are treated with acasunlimab in combination with pembrolizumab
Participants will receive both acasunlimab and pembrolizumab. All participants will receive active drug; no one will receive placebo. participants will participate in 1 of 2 cohorts. A participant will receive study treatment up to a maximum of 24 months. The study duration (including screening, treatment, and follow-up) for each participant will be about 39 months.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is an open-label multicenter study in participants with advanced (unresectable and/or metastatic) endometrial cancer to evaluate the safety and clinical activity of acasunlimab (GEN1046) in combination with immunotherapy.
The trial consists of two cohorts:
- Cohort A (cohort closed)
- Cohort B
The study will enroll approximately 80 participants in Cohort A and B (approximately 40 participants in each cohort).
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Genmab
- Phone Number: +4570202728
- Email: clinicaltrials@genmab.com
Study Locations
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Brussel, Belgium, 1200
- Cliniques Universitaires Saint-Luc
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Charleroi, Belgium
- Grand Hospital de Charleroi
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Ghent, Belgium, 9000
- Universitair Ziekenhuis Ghent
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Leuven, Belgium, 3000
- UZ Leuven
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Aalborg, Denmark, 9100
- Aalborg University Hospital
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Copenhagen, Denmark
- Rigshospitalet
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Odense, Denmark
- Odense Universitetshospital
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Bologna, Italy
- AOU Policlinico Sant'Orsola Malpighi IRCCS
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Milano, Italy
- IRCCS Istituto Europeo di Oncologia IEO
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Napoli, Italy
- Fondazione G. Pascale
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Roma, Italy
- IRCCS Policlinico Universitario Agostino Gemelli
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Torino, Italy
- Ospedale Mauriziano Umberto I
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Daegu, Korea, Republic of
- Keimyung University Dongsan Medical Center
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Goyang-si, Korea, Republic of
- National Cancer Center Korea
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Pusan, Korea, Republic of
- Pusan National University
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Seongnam, Korea, Republic of
- Seoul National University Bundang Hospital
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Seoul, Korea, Republic of
- Seoul National University Hospital
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Seoul, Korea, Republic of
- Asan Medical Center
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Seoul, Korea, Republic of
- Samsung Medical Center
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Seoul, Korea, Republic of
- Severance Hospital, Yonsei University Health System|Division of Infectious Diseases
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Barcelona, Spain
- Hospital Universitari Vall d'Hebron
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Girona, Spain
- Ico Girona
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Madrid, Spain, 28034
- Hospital Universitario Ramón y Cajal
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Madrid, Spain, 28041
- Hospital Universitario 12 de octubre
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Madrid, Spain, 28027
- Clinica Universidad de Navarra
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Madrid, Spain
- Hospital Universitario Fundacion Jimenez Diaz
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Pamplona, Spain, 31008
- Clinica Universidad de Navarra
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Florida
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Orlando, Florida, United States, 32806
- Orlando Health Cancer Institute
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New Jersey
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New Brunswick, New Jersey, United States, 08901
- Rudgers Cancer Institute of New Jersey
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Have a histologically confirmed diagnosis of advanced (unresectable, recurrent, and/or metastatic) endometrial carcinoma that is incurable and for which prior standard first-line treatment has failed.
- Prior to Cycle 1 Day 1 (C1D1), documentation of tumor dMMR/MSI-H status must be available based on local testing.
- Must have progressed on or after at least 1 (but no more than 2) prior line(s) of a systemic chemotherapy regimen for unresectable and/or metastatic endometrial cancer of which at least 1 regimen of platinum-based treatment unless participant is ineligible for or intolerant to platinum.
- Cohort A only: Must be treatment naive for CPIs including PD-1 or PD-L1 inhibitors and other immune CPIs (eg, anti-CTLA-4, anti-LAG3, anti-TIGIT).
- Cohort B only: Must have received and progressed on or after prior treatment with a PD-1/PD-L1 inhibitor alone or in combination. Moreover, the participant's duration of CPI containing treatment and best overall response (BOR) is known, and participant has received a minimum of 2 cycles of CPI.
Exclusion Criteria:
- Histological diagnosis of carcinosarcoma, malignant mixed Műllerian tumor, endometrial leiomyosarcoma, or endometrial stromal sarcomas.
- Ongoing or active infection requiring intravenous treatment with anti-infective therapy, or any ongoing systemic inflammatory condition requiring further diagnostic work-up or management during screening.
- Any prior treatment with any type of antitumor vaccine, or autologous cell immunotherapy.
- Radiotherapy within 14 days prior to first dose of acasunlimab. Note: palliative radiotherapy will be allowed for local pain control under certain conditions.
- Treatment with an anticancer agent, including investigational vaccines within 28 days before or 5 times t1/2, whichever is shorter, prior to the planned first dose of trial treatment or is currently enrolled in an interventional trial.
- Prior treatment with live, attenuated vaccines within 30 days prior to initiation of trial treatment.
- Received granulocyte colony-stimulating factor (G-CSF) or granulocyte-macrophage colony-stimulating factor (GM-CSF) support within 4 weeks before the planned first dose of trial treatment.
- Cohort A only: Prior exposure to immune CPIs other than anti-PD-1/anti-PD-L1 (eg, anti-CTLA-4, anti-LAG3, anti-TIGIT) or agents directed at costimulatory T-cell receptors (eg, 4-1BB, OX40)
Cohort B only:
- Known history of Grade 3 or higher immune-related adverse events (irAEs) that led to treatment discontinuation of a prior immunotherapy treatment
- Exposure to any of the following prior therapies/treatments within the specified timeframes:
- Prior exposure to immune CPIs other than anti-PD-1/anti-PD-L1 (eg, anti-CTLA-4, anti-LAG3, anti-TIGIT) or agents directed at costimulatory T-cell receptors (eg, 4-1BB, OX40)
- PD-1/PD-L1 antibody within 28 days before the planned first dose of trial treatment
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Cohort A: pembrolizumab + acasunlimab
Pembrolizumab will be administered in combination with acasunlimab as second-line (2L) or third-line (3L) therapy for dMMR/MSI-H in checkpoint inhibitor (CPI) naïve participants.
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Pembrolizumab intravenous (IV) infusion
Acasunlimab IV infusion
Other Names:
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Experimental: Cohort B: pembrolizumab + acasunlimab
Pembrolizumab will be administered in combination with acasunlimab as 2L or 3L therapy for mismatch repair deficient/ microsatellite instability-high (dMMR/MSI-H) participants who had prior exposure to programmed cell death protein/ programmed death ligand 1 (PD-1/PD-L1) inhibitors.
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Pembrolizumab intravenous (IV) infusion
Acasunlimab IV infusion
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Objective Response Rate (ORR)
Time Frame: Up to 4 years
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ORR is defined as the percentage of participants with a confirmed response of partial response (PR) or complete response (CR) according to Response Evaluation Criteria in Solid Tumours (RECIST) v1.1.
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Up to 4 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Duration of Response (DOR)
Time Frame: Up to 4 years
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DOR is defined for responders as the time from initial onset of response to first progression event, defined as radiographic progression or death as per RECIST v1.1.
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Up to 4 years
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Time to Response (TTR)
Time Frame: Up to 4 years
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TTR is defined as the time from first infusion of trial treatment to onset of response as per RECIST v1.1.
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Up to 4 years
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Disease Control Rate (DCR)
Time Frame: Up to 4 years
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DCR is defined as the proportion of participants with a confirmed response of PR or CR or stable disease (SD) according to RECIST v1.1.
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Up to 4 years
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Number of Participants with Treatment Emergent Adverse Events (TEAEs) and as Per Severity
Time Frame: From first dose date up to 90 days after the study treatment
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An AE is any untoward medical occurrence in a participant or clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment.
An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product as per CTCAE V5.0.
TEAE is defined as an AE occurring or worsening between the first dose of study drug and 30 days after the last dose received.
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From first dose date up to 90 days after the study treatment
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Uterine Neoplasms
- Genital Neoplasms, Female
- Uterine Diseases
- Female Urogenital Diseases
- Female Urogenital Diseases and Pregnancy Complications
- Urogenital Diseases
- Genital Diseases
- Genital Diseases, Female
- Endometrial Neoplasms
- Molecular Mechanisms of Pharmacological Action
- Antineoplastic Agents
- Antineoplastic Agents, Immunological
- Immune Checkpoint Inhibitors
- Pembrolizumab
Other Study ID Numbers
- GCT1046-05
- 2022-502453-33-00 (Other Identifier: EU CT number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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