Study of GS-2121 Given Alone or in Combination in Adults With Advanced Solid Tumors
Public ClinicalTrials.gov record NCT06532565. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1 Study to Evaluate the Safety and Tolerability of GS-2121 as Monotherapy and in Combination in Adults With Advanced Solid Tumors
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The main goal of this first-in-human (FIH) study is to learn about the safety and dosing of GS-2121 when given alone or in combination with zimberelimab (ZIM) in participants with advanced solid tumors. The primary objectives of this study are: * To assess the safety and tolerability of GS-2121 as monotherapy and GS-2121 in combination with zimberelimab in participants with advanced solid tumors. * To identify the maximum tolerated dose (MTD) / maximum administered dose (MAD) and/or the recommended phase 2 dose (RP2D) of GS-2121 as monotherapy and in combination with zimberelimab in participants with advanced solid tumors.
Study identification
- NCT ID
- NCT06532565
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 154 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 25, 2024
- Primary completion
- May 31, 2028
- Completion
- May 31, 2028
- Last update posted
- Apr 20, 2026
2024 – 2028
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Stanford Cancer Center | Palo Alto | California | 94305 | Recruiting |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | Recruiting |
| NEXT Oncology | San Antonio | Texas | 78229 | Recruiting |
| NEXT Virginia | Fairfax | Virginia | 22031 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06532565, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 20, 2026 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06532565 live on ClinicalTrials.gov.