Recent Updates
Recently added Catalysts

CX-801

Phase 1

Solid Tumor, Adult | Small molecule | Oncology |CytomX Therapeutics, Inc.|Last Updated: May 15, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment121
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06462794First In Human Study of CX-801 in Advanced Solid TumorsPHASE1 RECRUITING 121Aug 28, 2024Jun 30, 2029May 15, 20263 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Safety and tolerability of CX-801 as monotherapy and combination therapy
44 months

The number of participants experiencing a dose-limiting toxicity (DLT) as defined in the protocol, AEs (adverse events), and treatment-emergent adverse events (TEAEs) at any dose level

Determine the recommended Phase 2 dose (RP2D)
44 months

The number of participants experiencing a dose-limiting toxicity (DLT) as defined in the protocol, AEs (adverse events), and treatment-emergent adverse events (TEAEs) at any dose level

Secondary Endpoints
Objective response rate (ORR)
60 months
Duration of response (DOR)
60 months
Progression-free survival (PFS)
60 months
Unlock Study Endpoints
Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
CX-801EXPERIMENTAL -
CX-801 + pembrolizumabEXPERIMENTAL -
Interventions
NameTypeDescription
CX-801DRUGInvestigational drug
pembrolizumabDRUGStandard of Care Therapy
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * Metastatic or locally advanced unresectable solid tumor that has progressed after standard therapy * Eastern Cooperative Oncology Group (ECOG) performance status of 0-1 * Measurable disease per RECIST v1.1 * Consent to fresh biopsy or if medically contraindicated, recent (with...

Countries:United States
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06462794primaryCompletionDate: changed
LOWMay 24, 2026NCT06462794studyFirstPostDate: changed