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Completed Phase 1 Interventional

A Multiple-dose Study of ASP8374, an Immune Checkpoint Inhibitor, as a Single Agent and in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors

ClinicalTrials.gov ID: NCT03260322

Public ClinicalTrials.gov record NCT03260322. 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.

ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:46 AM EDT

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 1b Study of ASP8374, an Immune Checkpoint Inhibitor, as a Single Agent and in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary purpose of this study is to evaluate the tolerability and safety profile of ASP8374 when administered as a single agent and in combination with pembrolizumab in participants with locally advanced (unresectable) or metastatic solid tumor malignancies. Also primary purpose is to characterize the pharmacokinetic profile of ASP8374 when administered as a single agent and in combination with pembrolizumab. Last primary purpose of this study is to determine the recommended Phase 2 dose (RP2D) of ASP8374 when administered as a single agent and in combination with pembrolizumab. The secondary purpose of this study is to evaluate the anti-tumor effect (objective response rate \[ORR\], duration of response \[DOR\], persistence of response after discontinuation, and disease control rate \[DCR\]) of ASP8374 when administered as a single agent and in combination with pembrolizumab. NTP: Neutropenia NHAE:Non-haematological AE GBS: Guillain-Barré syndrome"" IRR: Infusion-related reaction AST: Aspartate aminotransferase ALT: Alanine aminotransferase MS/MG: Myasthenia Syndrome/Myasthenia Gravis TRT: Treatment-related Toxicity TCP: Thrombocytopenia

Study identification

NCT ID
NCT03260322
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Enrollment
169 participants

Conditions and interventions

Interventions

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
Sep 7, 2017
Primary completion
May 9, 2022
Completion
May 9, 2022
Last update posted
Apr 23, 2025

2017 – 2022

United States locations

U.S. sites
19
U.S. states
14
U.S. cities
17
Facility City State ZIP Site status
Honor Health Research Institute Scottsdale Arizona 85258 —
Cedars-Sinai Medical Center Los Angeles California 90048 —
University of California Los Angeles Los Angeles California 90095 —
University of California, Davis Sacramento California 95817 —
University of California, San Francisco San Francisco California 94115 —
Mount Sinai Comprehensive Cancer Center Miami Beach Florida 33140 —
University of Iowa Hospitals and Clinics Iowa City Iowa 52242 —
University of Kansas Cancer Center Fairway Kansas 66205 —
Karmanos Cancer Institute Detroit Michigan 48201 —
Henry Ford Health System Detroit Michigan 48202 —
Columbia University Medical Center New York New York 10032 —
University Hospital of Cleveland Cleveland Ohio 44106 —
Fox Chase Cancer Center Philadelphia Pennsylvania 19111 —
University of Pittsburgh Cancer Institute Pittsburgh Pennsylvania 15232 —
Sarah Cannon Research Institute Nashville Tennessee 37203 —
Mary Crowley Research Center Dallas Texas 75251 —
Huntsman Cancer Institute Salt Lake City Utah 84112 —
Virginia Cancer Specialists Fairfax Virginia 22031 —
Medical College of Wisconsin Milwaukee Wisconsin 53226-3522 —

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 35 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03260322, 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 23, 2025 · Synced Sep 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03260322 live on ClinicalTrials.gov.

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