Recent Updates
Recently added Catalysts

GS-2426

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |Gilead Sciences, Inc.|Last Updated: May 22, 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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment174
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07601243Study of GS-2426 in Participants With Advanced Solid TumorsPHASE1 NOT YET_RECRUITING 174May 1, 2026Jan 1, 2029May 22, 2026 -
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Percentage of Participants Experiencing Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAE)
First dose up to 30 days post last dose (up to 105 weeks)
Percentage of Participants Experiencing Clinical Laboratory Abnormalities
First dose up to 30 days post last dose (up to 105 weeks)
Percentage of Participants Experiencing any Dose-limiting Toxicities (DLTs)
First dose up to 21 days post first dose
Maximum Tolerated Dose (MTD)/Maximum Administered Dose (MAD)
First dose up to 21 days post first dose
Recommended Phase 2 Dose (RP2D)
Predose to end of study (up to 105 weeks)
Secondary Endpoints
Plasma Concentration of GS-2426
Predose and postdose up to end of treatment (up to 105 weeks)
Pharmacokinetic (PK) Parameter: AUC0-24h of GS-2426
Predose and postdose up to end of treatment (up to 105 weeks)
PK Parameters: Cmax of GS-2426
Predose and postdose up to end of treatment (up to 105 weeks)
Unlock Study Endpoints
Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1a: Monotherapy Dose EscalationEXPERIMENTALParticipants will receive escalating doses of GS-2426 monotherapy, until disease progression, or until the participant meets other study drug discontinuation criteria as specified in protocol, or up to a maximum of 105 week, whichever occurs first.
Phase 1b: Monotherapy Dose ExpansionEXPERIMENTALParticipants will be enrolled in different indication-specific cohorts. Participants will receive GS-2426 monotherapy at the recommended dose until disease progression, or until the participant meets other study drug discontinuation criteria as specified in protocol, or up to a maximum of 105 weeks, whichever occurs first.
Interventions
NameTypeDescription
GS-2426DRUGAdministered Orally
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Key Inclusion Criteria: * Participants 18 years of age or older (≥ 19 years old for participants in South Korea). * Histologically or cytologically confirmed advanced malignant solid tumors, who have progressed on, are intolerant to or are ineligible for standard therapy, or have no standard treatm...

Unlock Eligibility Criteria