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Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of U3-1402 in Subjects With Human Epidermal Growth Factor Receptor 3 (HER3) Positive Metastatic Breast Cancer

ClinicalTrials.gov ID: NCT02980341

Public ClinicalTrials.gov record NCT02980341. 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 2, 2026, 8:13 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 1/2, Multicenter, Open-label, Multiple-Dose First-in-human Study of U3-1402, in Subjects With HER3 Positive Metastatic Breast Cancer

Brief summary

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

This is an open-label, three-part, multiple-dose study to evaluate safety, tolerability, and efficacy of U3-1402 in patients with HER3-positive metastatic breast cancer. HER3 is a unique member of the human epidermal growth factor receptor, which defines a certain type of cancer. The number of patients and treatment cycles are not fixed in this study. Subjects who continue to derive clinical benefit from the study treatment in the absence of withdrawal of consent, progressive disease (PD), unacceptable toxicity, or death may continue the study treatment until the end of the trial.

Study identification

NCT ID
NCT02980341
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Daiichi Sankyo Co., Ltd.
Industry
Enrollment
182 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
Nov 27, 2016
Primary completion
Aug 15, 2021
Completion
Sep 6, 2023
Last update posted
Oct 29, 2024

2016 – 2023

United States locations

U.S. sites
10
U.S. states
5
U.S. cities
8
Facility City State ZIP Site status
Southeastern Regional Medical Center Newnan Georgia 30265
Northwestern University Chicago Illinois 60611
Massachusetts General Hospital Boston Massachusetts 02114
Dana Farber Cancer Institute Boston Massachusetts 02215
Memorial Sloan Kettering Cancer Center New York New York 10022
Albert Einstein College of Medicine The Bronx New York 10467
Texas Oncology, P.A. Dallas Texas 75231
UT Southwestern Medical Center Dallas Texas 75390
University of Texas MD Anderson Cancer Center Houston Texas 77030
Mays Cancer Center 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.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.

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Other public records listing Metastatic Breast Cancer. Sorted by last update posted; newest first. Not a recommendation.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02980341, 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 Oct 29, 2024 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02980341 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →