OVERVIEW
A Phase 1, Multicenter, Open-Label Clinical Study to Evaluate the Safety and Tolerability of GS-2426 in Participants With Advanced MTAP-Deleted Solid Tumors
PROTOCOL SUMMARY
The goal of this clinical study is to learn more about the study drug GS-2426, and how safe and tolerable it is in participants with advanced methylthioadenosine phosphorylase (MTAP)-deleted solid tumors. The primary objective of this study is to evaluate the safety and tolerability of GS-2426 in participants with MTAP-deleted advanced solid tumors and to determine the maximum tolerated dose (MTD)/maximum administered dose (MAD) and the recommended phase II dose (RP2D).
View moreParticipation requirements
Age
18 years +
Sex
All
Healthy Volunteers
No
Age
18 years +
Sex
All
Healthy Volunteers
No
Study details
Medical Condition
Advanced Solid Tumors
Gender
N/A
Date
June 2026 - January 2029
Study Type
Interventional
Study Phase
Phase 1
Product
GS-2426
Eligibility information
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 treatment options.
- Participant tumors are methylthioadenosine phosphorylase (MTAP)-deficient.
- Adequate organ function
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
- All participants must provide a pretreatment tumor tissue sample.
Exclusion criteria
- Participants with plans to breastfeed during the study period or within 7 days following the last dose of study intervention.
- Have not recovered (ie, returned to Grade 1 or baseline) from clinically significant adverse events (AEs) due to a previously administered agent or a previous intervention as assessed by the investigator.
- Active second malignancy. Individuals with a history of malignancy who have been completely treated with no evidence of active cancer for 5 years prior to enrollment, or individuals with surgically cured tumors with low risk of recurrence may be enrolled.
- Requirement for ongoing therapy with any prohibited medications .
- Prior therapy with a protein arginine methyltransferase 5 (PRMT5) inhibitor or methionine adenosine transferase 2a (MAT2A) inhibitor.
- Have serious infection requiring antibiotics within 14 days prior to the first dose.
- Uncontrolled concurrent diseases
- Note: Other protocol defined Inclusion/Exclusion criteria may apply.
Locations
Locations (4)
START Astera, LLC
East Brunswick, New Jersey, United States, 08816
Memorial Sloan Kettering Cancer Center
New York, New York, United States, 10065
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