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GTAEXS617

Phase 1

Head and Neck Squamous Cell Carcinoma (HNSCC) | Small molecule | Oncology |Recursion Pharmaceuticals, Inc.|Last Updated: Apr 23, 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 Enrollment230
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05985655Study to Assess GTAEXS617 in Participants With Advanced Solid TumorsPHASE1 RECRUITING 230Jul 6, 2023May 1, 2028Apr 23, 202613 United States, Belgium +1
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Study Endpoints
Primary Endpoints
Number of Participants With Treatment Emergent Adverse Events (TEAEs)
Up to 2 years
Phase 1: Number of Participants With Dose Limiting Toxicities (DLTs)
Up to 28 days
Phase 2 : Objective Response Rate (ORR) as Assessed by Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1
Up to 2 years
Secondary Endpoints
Phase 1: ORR as Assessed by Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1
Up to 2 years
Maximum Plasma Concentration (Cmax) of GTAEXS617
Predose up to 24 hours postdose
Time Maximum Plasma Concentration (Tmax) of GTAEXS617
Predose up to 24 hours postdose
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1: Dose Escalation MonotherapyEXPERIMENTALParticipants will receive GTAEXS617 oral tablets in increasing doses.
Phase 1: Dose Escalation Combination TherapyEXPERIMENTALParticipants will receive GTAEXS617 oral tablets in increasing doses in combination with standard of care (SoC) treatment.
Phase 2: Dose Expansion MonotherapyEXPERIMENTALParticipants will receive GTAEXS617 oral tablets at Recommended Phase 2 Dose (RP2D).
Phase 2: Dose Expansion Combination TherapyEXPERIMENTALParticipants will receive GTAEXS617 oral tablets at RP2D in combination with SoC treatment.
Interventions
NameTypeDescription
GTAEXS617DRUGAdministered as specified in the treatment arm.
SoCDRUGParticipants will receive selected SoC regimen (fulvestrant, paclitaxel + bevacizumab, pegylated liposomal doxorubicin, or capecitabine) administered as specified in the treatment arm.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites13

Key Inclusion Criteria: * Eastern Cooperative Oncology Group (ECOG) performance status 0-1. * Life expectancy \> 3 months. * One of the following histologically or cytologically confirmed advanced solid tumors: head and neck squamous cell carcinoma (HNSCC), pancreatic adenocarcinoma, non-small cell...

Countries:United StatesBelgiumUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT05985655primaryCompletionDate: changed
LOWMay 24, 2026NCT05985655studyFirstPostDate: changed