Study of GS-4528 in Adults With Solid Tumors
Public ClinicalTrials.gov record NCT05840224. 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-4528 as Monotherapy and in Combination With an Anti-PD-1 Monoclonal Antibody in Adults With Advanced Solid Tumors
Study identification
- NCT ID
- NCT05840224
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Gilead Sciences
- Industry
- Enrollment
- 182 participants
Conditions and interventions
Conditions
Interventions
- GS-4528 Biological
- Zimberelimab Drug
Biological · Drug
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
- May 10, 2023
- Primary completion
- Jun 30, 2026
- Completion
- Jun 30, 2026
- Last update posted
- Jan 27, 2026
2023 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| The University of Washington/FHCC | Seattle | Washington | 98109 | — |
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 15 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05840224, 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 Jan 27, 2026 · Synced Apr 29, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05840224 live on ClinicalTrials.gov.