STATUS Recruiting

A Study to Evaluate the Safety and Antitumor Activity of GS-1206 in Adults With Solid Tumors

Gilead Clinical Study Information Center:
Monday – Friday, 5am – 6pm PT
Email:  

Gilead Clinical Study Information Center:
Monday – Friday, 5am – 6pm PT
Email:  

LAST UPDATED

September 08, 2026

Clinicaltrials.gov ID

NCT07703878

OVERVIEW

A Phase 1 Study to Evaluate the Safety, Tolerability, and Antitumor Activity of GS-1206 in Adults With Solid Tumors

PROTOCOL SUMMARY

The goal of this clinical study is to learn more about the study drug GS-1206, including its safety, tolerability, and antitumor activity in adult participants with solid tumors.

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Participation requirements

Calendar

Age

18 years +

Condition

Sex

All

Healthy Icon

Healthy Volunteers

No

Study details

Medical Condition

Solid Tumor

Gender

N/A

Date

July 2026 - September 2029

Study Type

Interventional

Study Phase

Phase 1

Product

GS-1206

Eligibility information

Inclusion

Inclusion criteria

  • All individuals must have a tumor with protocol-specified mutation as determined by local health-authority approved test.
  • For Part A (including backfill cohorts): Individuals with histologically confirmed advanced or metastatic solid tumors who have progressed following treatment in the advanced or metastatic setting known to confer clinical benefit, unless the individual refused, is intolerant to, or is not eligible for standard-of-care (SOC) treatment.
  • For Part B dose expansion, individuals with protocol-specified tumor types will be enrolled.
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Exclusion

Exclusion criteria

  • Use of any of the therapies listed below within the specified time frames:
  • 1. Investigational drugs (drugs not marketed for any indication) within 28 days prior to Cycle 1 Day 1.
  • 2. Anticancer biologic agent or immunotherapy within 28 days prior to Cycle 1 Day 1.
  • 3. Anticancer chemotherapy or targeted approved small molecule therapy within 21 days prior to Cycle 1 Day 1, or 42 days for nitrosoureas or mitomycin.
  • 4. Hormonal or other adjunctive therapy for cancers other than the cancer under evaluation in this study that started within 14 days prior to planned Cycle 1 Day 1 are not permitted. Exceptions: hormonal therapy, bisphosphonates, somatostatin analogues, and leuprolide are permitted if started at least 14 days prior to Cycle 1 Day 1.
  • 5. Major surgery (excluding minor procedures, eg, placement of vascular access, gastrointestinal/biliary stent, biopsy) within 28 days prior to Cycle 1 Day 1, and any toxicity or complications have recovered to Grade 1 or less.
  • 6. Radiation therapy within 21 days prior to Cycle 1 Day 1. Exception: limited (eg, pain palliation) radiation therapy is allowed if any radiation associated toxicity is resolved to Grade 1 or less, and the radiation is not administered to a target lesion.
  • Note: Other protocol defined Inclusion/Exclusion criteria may apply.
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Locations

Locations (4)

Recruiting

START Midwest, LLC

Grand Rapids, Michigan, United States, 49546

Email:  

Recruiting

NEXT Oncology

San Antonio, Texas, United States, 78229

Email:  

Recruiting

NEXT Oncology Dallas

Texas City, Texas, United States, 75039

Email:  

Recruiting

START San Antonio, LLC

Texas City, Texas, United States, 78229

Email:  

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