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GS-0201

Phase 1

Advanced Solid Tumors | Small molecule | Oncology |Gilead Sciences, Inc.|Last Updated: Aug 13, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment278

FDA Designations

No designations recorded

Clinical trial landscape

GS-0201 · 1 trial · 1 indication

Phase 1 1
NCT06167317Study of GS-0201 Alone and in Combination in Participants With Advanced Solid TumorsAdvanced Solid Tumors
RECRUITING278 Analytics
PHASE1RECRUITING
Study of GS-0201 Alone and in Combination in Participants With Advanced Solid Tumors
Advanced Solid TumorsUnlock trial analytics

Study Endpoints

Primary Endpoints

The Number of Participants with Dose Limiting Toxicities (DLTs) During Dose Escalation
First dose up to 30 days post last dose (Up to approximately 109 weeks).

DLTs are defined as any of the following treatment-emergent adverse events (AEs) regardless of attribution (graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) Version 5.0), unless clearly related to an underlying disease or extraneous causes, with onset within the DLT-evaluation period for the corresponding dose.

The Percentage of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)
First dose up to 30 days post last dose (Up to approximately 109 weeks).
The Incidence of Laboratory Abnormalities
First dose up to 30 days post last dose (Up to approximately 109 weeks).

Secondary Endpoints

Pharmacokinetic (PK) Parameter: Area Under the Concentration (AUC)0-24 of GS-0201
Predose and postdose up to end of treatment (up to 105 weeks)
PK Parameter: Cmax of GS-0201
Predose and postdose up to end of treatment (up to 105 weeks)
PK Parameter: Tmax of GS-0201
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
Part A: GS-0201 Monotherapy Dose EscalationEXPERIMENTALParticipants will receive escalating doses of GS-0201 monotherapy, until disease progression, or until the participant meets other study drug discontinuation criteria as specified in protocol or up to 105 weeks, whichever occurs first.
Part B: Cohort B1: GS-0201 Monotherapy Dose ExpansionEXPERIMENTALParticipants with selected breast cancer indication will receive GS-0201 monotherapy at the recommended dose for expansion.
Part B: Cohort B2: GS-0201 Monotherapy Dose ExpansionEXPERIMENTALParticipants with selected indications not included in cohort B1 will receive GS-0201 monotherapy at the recommended dose for expansion.
Part C: Dose Escalation: GS-0201 + Sacituzumab Govitecan (SG)EXPERIMENTALParticipants will receive escalating doses of GS-0201 in combination with SG, until disease progression, or until the participant meets other study drug discontinuation criteria as specified in protocol or up to 105 weeks, whichever occurs first.
Part D: Cohort D1: Dose Expansion: GS-0201 + SGEXPERIMENTALParticipants with confirmed unresectable locally advanced or metastatic triple negative breast cancer (mTNBC) will receive GS-0201 at the recommended Phase 2 dose (RP2D) in combination with SG.
Part D: Cohort D2: Dose Expansion: GS-0201 + SGEXPERIMENTALParticipants with recurrent/persistent endometrial cancer will receive GS-0201 at the recommended Phase 2 dose (RP2D) in combination with SG.

Interventions

NameTypeDescription
GS-0201DRUGPill administered orally
Sacituzumab GovitecanDRUGAdministered intravenously
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * Able to understand and give written informed consent. * Assigned female or male at birth, 18 years of age or older, and meet the age of majority/adulthood per local regulations. * Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1. * Measurable disease by Resp...

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

Recent Changes (Last 90 Days)

LOWAug 14, 2026NCT06167317lastUpdatePostDate: changed
LOWAug 14, 2026NCT06167317lastUpdatePostDate: changed
LOWAug 14, 2026NCT06167317lastUpdatePostDate: changed

Frequently asked questions about GS-0201

What is GS-0201 used for?

GS-0201 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-0201?

GS-0201 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 of GS-0201 in patients with advanced solid tumors.

What phase is GS-0201 in?

GS-0201 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 recruiting participants to evaluate the drug alone and in combination for advanced solid tumors.

What clinical trials is GS-0201 in?

GS-0201 is being studied in a single Phase 1 clinical trial with the identifier NCT06167317. This trial, titled "Study of GS-0201 Alone and in Combination in Participants With Advanced Solid Tumors," is currently recruiting participants in the United States and Israel, with a planned enrollment of 278 patients.

Is GS-0201 being studied in a randomized or blinded trial?

No, the Phase 1 clinical trial of GS-0201 is not randomized and not double-blind. It is a controlled study, meaning there is a control group, but participants are not randomly assigned to treatment arms, and the trial is not blinded.