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PYX-201

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |Pyxis Oncology, Inc.|Last Updated: May 4, 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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment220
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06795412Phase 1/2 Study of PYX-201 in Combination With Pembrolizumab in Advanced Solid TumorsPHASE1 RECRUITING 220Apr 15, 2025Dec 6, 2027May 4, 202619 United States, France +1
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Study Endpoints
Primary Endpoints
Number of Participants who Experience a Dose-Limiting Toxicity (DLT)
Day 1 to Day 21
Number of Participants who Experience an Adverse Event (AE)
Up to approximately 2 years
Number of Participants who Experience Clinically Significant Changes in Clinical Laboratory Parameters
Up to approximately 2 years
Number of Participants who Experience Clinically Significant Changes in Vital Signs
Up to approximately 2 years
Number of Participants who Experience Clinically Significant Changes in electrocardiogram (ECG) Parameters
Up to approximately 2 years
Secondary Endpoints
Objective Response Rate (ORR)
Day 1 up to approximately 2 years
Duration of Response (DOR)
Day 1 up to approximately 2 years
Disease Control Rate (DCR)
Day 1 up to approximately 2 years
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part 1: Dose EscalationEXPERIMENTALParticipants will receive escalating doses of PYX-201 to evaluate the safety, tolerability, and preliminary efficacy of PYX-201 in combination with pembrolizumab.
Part 2: Dose ExpansionEXPERIMENTALPart 2 dose-expansion cohorts will be opened based on emerging data to further inform the safety, tolerability, and preliminary efficacy determinations as defined.
Interventions
NameTypeDescription
PYX-201DRUGIntravenous (IV) infusion.
pembrolizumabDRUGIV infusion.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites19

Inclusion Criteria 1. Histologically or cytologically confirmed advanced solid tumors, including first-line (1L) head and neck squamous cell carcinoma (HNSCC), advanced or metastatic triple negative breast cancer (TNBC), hormone receptor positive (HR+) and human epidermal growth factor receptor 2 n...

Countries:United StatesFranceSpain
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06795412primaryCompletionDate: changed
LOWMay 24, 2026NCT06795412studyFirstPostDate: changed