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Completed Phase 1 Interventional

A Dose-escalation, Expansion Study of ARX788, in Advanced Solid Tumors Subjects With HER2 Expression (ACE-Pan Tumor 01)

ClinicalTrials.gov ID: NCT03255070

Public ClinicalTrials.gov record NCT03255070. 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 Oct 30, 2026, 12:36 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 1, Multicenter, Open-label, Multiple Dose-escalation and Expansion Study of ARX788, as Monotherapy in Advanced Solid Tumors With HER2 Expression

Brief summary

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

This 2-part, Phase 1, open-label study will determine the recommended Phase 2 dose (RP2D) of ARX788 in subjects with advanced HER2 positive cancers and will assess the safety and anticancer activity in breast, gastric and other advanced HER2 positive solid tumors.

Study identification

NCT ID
NCT03255070
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Ambrx, Inc.
Industry
Enrollment
106 participants

Conditions and interventions

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
Mar 20, 2018 (Actual)
Primary completion
Sep 13, 2023 (Actual)
Completion
Oct 18, 2023 (Actual)
Last update posted
Feb 1, 2024

2018 – 2023

United States locations

U.S. sites
5
U.S. states
4
U.S. cities
5
Facility City State ZIP Site status
USC Norris Cancer Hospital Los Angeles California 90033 —
UCLA Hematology-Oncology Santa Monica California 90095 —
Washington University School of Medicine St Louis Missouri 63110 —
Cleveland Clinic Cleveland Ohio 44195 —
Baylor Sammons Cancer Center Dallas Texas 75246 —

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 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03255070, 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 Feb 1, 2024 · Synced Oct 30, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03255070 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →