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Completed Phase 3 Interventional Results available

DS-8201a in Pre-treated HER2 Breast Cancer That Cannot be Surgically Removed or Has Spread [DESTINY-Breast02]

ClinicalTrials.gov ID: NCT03523585

Public ClinicalTrials.gov record NCT03523585. 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 20, 2026, 6:51 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

A Phase 3, Multicenter, Randomized, Open-label, Active-controlled Study of Trastuzumab Deruxtecan (DS-8201a), an Anti-HER2-antibody Drug Conjugate, Versus Treatment of Investigator's Choice for HER2-positive, Unresectable and/or Metastatic Breast Cancer Subjects Previously Treated With T-DM1

Brief summary

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

This study will compare DS 8201a to standard treatment. Participants must have HER2 breast cancer that has been treated before. Their cancer: * cannot be removed by an operation * has spread to other parts of the body

Study identification

NCT ID
NCT03523585
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Daiichi Sankyo
Industry
Enrollment
608 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
Aug 1, 2018 (Actual)
Primary completion
Jun 30, 2022 (Actual)
Completion
Dec 23, 2025 (Actual)
Last update posted
Feb 27, 2026

2018 – 2025

United States locations

U.S. sites
41
U.S. states
23
U.S. cities
37
Facility City State ZIP Site status
Ironwood Cancer Research Centers Chandler Arizona 85224 —
UCLA Hematology Oncology - Main Site Los Angeles California 90095 —
Pacific Cancer Care Monterey California 93940 —
Sharp Memorial Hospital San Diego California 92123 —
Innovative Clinical Research Institute Whittier California 90603 —
Smilow Cancer Hospital at Yale New Haven New Haven Connecticut 06510 —
Washington Cancer Institute Washington D.C. District of Columbia 20010 —
Florida Cancer Specialists-Broadway Fort Myers Florida 33901 —
Piedmont Cancer Institute, PC Atlanta Georgia 30318 —
Kapiolani Medical Center for Women and Children/Univ of HI Honolulu Hawaii 96826 —
Loyola University Health System Maywood Illinois 60153 —
Community Hospital Munster Indiana 46321 —
Norton Cancer Institute Louisville Kentucky 40207 —
Maine Center for Cancer Medicine Scarborough Maine 04074 —
University of Maryland Baltimore Maryland 21201 —
Beth Israel Deaconess Medical Center Boston Massachusetts 02215 —
Dana Farber Cancer Institute Boston Massachusetts 02215 —
Henry Ford Hospital Detroit Michigan 48202 —
Cornell-Beshore Cancer Institute Joplin Missouri 64804 —
Saint Luke's Cancer Institute Kansas City Missouri 64111 —
Health Midwest Ventures Group, Inc d/b/a HCA MidAmerica Division, LLC Kansas City Missouri 64132 —
Washington University St Louis Missouri 63110 —
North Shore Hematology Oncology Associates, PC East Setauket New York 11733 —
Memorial Sloan-Kettering Cancer Center (MSKCC) - New York New York New York 10065 —
University of Cincinnati Medical Center Cincinnati Ohio 45267 —
Cleveland Clinic Main Campus Cleveland Ohio 44195 —
The Ohio State University Columbus Ohio 43235 —
Dayton Physicians, LLC Kettering Ohio 45409 —
Abramson Cancer Center Philadelphia Pennsylvania 19104 —
Allegheny General Hospital Pittsburgh Pennsylvania 15212 —
UPMC Cancer Center Pittsburgh Pennsylvania 15213 —
Tennessee Oncology, PLLC Chattanooga Chattanooga Tennessee 37404 —
The West Clinic Germantown Tennessee 38138 —
SCRI - Tennessee Oncology Nashville Tennessee 37203 —
UT Southwestern Medical Center Dallas Texas 75390 —
MD Anderson Cancer Center Houston Texas 77030 —
The Methodist Hospital Research Institute Houston Texas 77030 —
The University of Texas Health Science Center at Tyler Tyler Texas 75708 —
Community Cancer Trials of Utah Ogden Utah 84405 —
Virginia Cancer Specialists, PC Fairfax Virginia 22031 —
MultiCare Health System Institute for Research and Innovation Tacoma Washington 98405 —

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 186 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03523585, 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 27, 2026 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03523585 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →