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GS-2426

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |Gilead Sciences, Inc.|Last Updated: Aug 3, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment174

FDA Designations

No designations recorded

Clinical trial landscape

GS-2426 · 1 trial · 1 indication

Phase 1 1
NCT07601243Study of GS-2426 in Participants With Advanced Solid TumorsAdvanced Solid Tumors
RECRUITING174 Analytics
PHASE1RECRUITING
Study of GS-2426 in Participants With Advanced Solid Tumors
Advanced Solid TumorsUnlock trial analytics

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)
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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
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites4

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...

Countries:United States
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Competitive Landscape -Other Solid Tumors 9 trials (matched to "Advanced Solid Tumors")

Recent Changes (Last 90 Days)

LOWAug 3, 2026NCT07601243lastUpdatePostDate: changed
LOWAug 3, 2026NCT07601243lastUpdatePostDate: changed
LOWJun 24, 2026NCT07601243Status: NOT_YET_RECRUITING → RECRUITING
LOWJun 24, 2026NCT07601243Status: NOT_YET_RECRUITING → RECRUITING

Frequently asked questions about GS-2426

What is GS-2426 used for?

GS-2426 is an investigational small molecule being developed for the treatment of advanced solid tumors. It is currently in Phase 1 clinical development, meaning it has not yet been approved by regulatory authorities and is still being studied for safety and efficacy in patients.

Who makes GS-2426?

GS-2426 is being developed by Gilead Sciences, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol GILD. The company is conducting a Phase 1 clinical trial to evaluate the drug in patients with advanced solid tumors.

What phase is GS-2426 in?

GS-2426 is in Phase 1 clinical development. It is an investigational drug, not yet approved by the FDA or any other regulatory agency. The ongoing Phase 1 trial is actively recruiting participants with advanced solid tumors in the United States.

What clinical trials is GS-2426 in?

GS-2426 is being studied in a single Phase 1 clinical trial with the identifier NCT07601243, titled "Study of GS-2426 in Participants With Advanced Solid Tumors." The trial is currently recruiting and aims to enroll 174 participants aged 18 years and older in the United States.

Is GS-2426 the same as any other drug?

No alternative names for GS-2426 have been disclosed. It is identified solely by its investigational code name GS-2426 in clinical trial registrations and by the developer, Gilead Sciences.