Study of Dalutrafusp Alfa (Formerly GS-1423) in Participants With Advanced Solid Tumors
Public ClinicalTrials.gov record NCT03954704. 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 1a/1b Study of GS-1423, an Anti-CD73-TGFβ-Trap Bifunctional Antibody, as Monotherapy or in Combination With a Chemotherapy Regimen in Subjects With Advanced Solid Tumors
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
For Phase 1a Part A, the primary objectives are to assess safety and tolerability and to define the dose limiting toxicity (DLT) and maximum tolerated dose (MTD) or recommended Phase 2 dose (RP2D) of dalutrafusp alfa (formerly GS-1423) monotherapy in participants with advanced solid tumors. For Phase 1a Part B, the primary objective is to assess safety and tolerability of dalutrafusp alfa monotherapy in participants with advanced solid tumors. For Phase 1b Cohort 1 safety run-in, the primary objective is to assess safety and tolerability and to define the DLT and MTD or RP2D of dalutrafusp alfa in combination with a chemotherapy regimen in participants with advanced gastric or gastroesophageal junction adenocarcinoma. For Phase 1b Cohort 1 post safety run-in, the primary objective is to assess the preliminary efficacy of dalutrafusp alfa in combination with a chemotherapy regimen in participants with advanced gastric or gastroesophageal junction adenocarcinoma, as assessed by the confirmed objective response rate (ORR). For Phase 1b Cohort 2, the primary objective is to assess safety and tolerability of dalutrafusp alfa monotherapy in participants with advanced solid tumors.
Study identification
- NCT ID
- NCT03954704
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Enrollment
- 22 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
- Jun 2, 2019
- Primary completion
- Oct 26, 2020
- Completion
- Apr 14, 2021
- Last update posted
- Nov 20, 2023
2019 – 2021
United States locations
- U.S. sites
- 4
- U.S. states
- 3
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Scottsdale Healthcare Hospitals d/b/a HonorHealth | Scottsdale | Arizona | 85258 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Mary Crowley Cancer Research | Dallas | Texas | 75230 | — |
| NEXT Oncology | San Antonio | Texas | 78229 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03954704, 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 Nov 20, 2023 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03954704 live on ClinicalTrials.gov.