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Anti-CD40 Agonist Monoclonal Antibody CDX-1140

Phase 2

Ovarian Clear Cell Adenocarcinoma | Monoclonal antibody | Oncology |United Therapeutics Corporation|Last Updated: Mar 16, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment80
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05231122Pembrolizumab Combined With Bevacizumab With or Without Agonist Anti-CD40 CDX-1140 for the Treatment of Patients With Recurrent Ovarian CancerPHASE2 RECRUITING 80Mar 12, 2024Dec 30, 2026Mar 16, 20262 United States
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Study Endpoints
Primary Endpoints
Incidence of adverse events
Up to 2 years

Evaluated according to National Cancer Institute Common Terminology Criteria for adverse events (NCI CTCAE) version (v)5.0. Will be summarized by cohort and grade using frequencies and relative frequencies.

Objective response rate (ORR)
Up to 2 years

Will be summarized by cohort (with or without CDX 1140) using frequencies and relative frequencies, with the ORR estimated using 90% confidence intervals obtained by Jeffrey's prior method. The final analysis will be performed on all n=80 (40 in each cohort) evaluable patients; and if the p-value is less than or equal to 0.10, then the triplet regimen will be considered superior with respect to response.

Secondary Endpoints
Progression free survival (PFS)
From first day of treatment until disease progression or date of death from any cause, assessed up to 2 years
Overall survival (OS)
From first day of treatment until disease progression or date of death from any cause, assessed up to 2 years
Disease control rate (DCR)
Up to 2 years
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm I (pembrolizumab, bevacizumab)ACTIVE_COMPARATORPatients receive pembrolizumab IV over 30 minutes and bevacizumab IV over 30-90 minutes on day 1. Cycles repeat every 3 weeks until disease progression or development of unacceptable toxicity.
Arm II (pembrolizumab, bevacizumab, CDX-1140)EXPERIMENTALPatients receive pembrolizumab IV over 30 minutes, bevacizumab IV over 30-90 minutes, and CDX-1140 IV over 90 minutes on day 1. Cycles repeat every 3 weeks until disease progression or development of unacceptable toxicity.
Interventions
NameTypeDescription
Anti-CD40 Agonist Monoclonal Antibody CDX-1140BIOLOGICALGiven IV
BevacizumabBIOLOGICALGiven IV
PembrolizumabBIOLOGICALGiven IV
Quality-of-Life AssessmentOTHERAncillary studies
Questionnaire AdministrationOTHERAncillary studies
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Eligibility Criteria
Age Range18 Years — N/A
SexFEMALE
Healthy VolunteersNo
Study Sites2

Inclusion Criteria: * Age \>= 18 years of age. * Recurrent serous (low grade or high grade), endometrioid, or clear cell recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer. * Participant can be either platinum-sensitive or platinum-resistant, no more than 4 prior lines of tr...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT05231122studyFirstPostDate: changed