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Active, not recruiting Phase 3 Interventional

A Study of Dato-DXd With or Without Durvalumab Versus Investigator's Choice of Therapy in Patients With Stage I-III Triple-negative Breast Cancer Without Pathological Complete Response Following Neoadjuvant Therapy (TROPION-Breast03)

ClinicalTrials.gov ID: NCT05629585

Public ClinicalTrials.gov record NCT05629585. 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 26, 2026, 8:11 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 Open-label, Randomised Study of Datopotamab Deruxtecan (DatoDXd) With or Without Durvalumab Versus Investigator's Choice of Therapy in Patients With Stage I-III Triple-negative Breast Cancer Who Have Residual Invasive Disease in the Breast and/or Axillary Lymph Nodes at Surgical Resection Following Neoadjuvant Systemic Therapy (TROPION-Breast03)

Brief summary

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

This is a Phase III, randomized, open-label, 3-arm, multicenter, international study assessing the efficacy and safety of Dato-DXd with or without durvalumab compared with ICT in participants with stage I to III TNBC with residual invasive disease in the breast and/or axillary lymph nodes at surgical resection following neoadjuvant systemic therapy.

Study identification

NCT ID
NCT05629585
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
AstraZeneca
Industry
Enrollment
1,174 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 130 Years
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 28, 2022 (Actual)
Primary completion
Sep 1, 2027 (Estimated)
Completion
Feb 28, 2030 (Estimated)
Last update posted
Oct 14, 2026

2022 – 2030

United States locations

U.S. sites
88
U.S. states
30
U.S. cities
73
Facility City State ZIP Site status
Research Site Gilbert Arizona 85234 —
Research Site Tucson Arizona 85711 —
Research Site Tucson Arizona 85719 —
Research Site Hot Springs Arkansas 71913 —
Research Site Little Rock Arkansas 72205 —
Research Site Springdale Arkansas 72762 —
Research Site Beverly Hills California 90211 —
Research Site Costa Mesa California 92627 —
Research Site Duarte California 91010 —
Research Site Fountain Valley California 92708 —
Research Site Irvine California 92618 —
Research Site La Jolla California 92093 —
Research Site Lakewood California 90805 —
Research Site Los Angeles California 90017 —
Research Site Los Angeles California 90095 —
Research Site Newport Beach California 92660 —
Research Site Newport Beach California 92663 —
Research Site Orange California 92868 —
Research Site Roseville California 95661 —
Research Site Upland California 91786 —
Research Site Vallejo California 94589 —
Research Site Denver Colorado 80220 —
Research Site New Haven Connecticut 06510 —
Research Site Newark Delaware 19713 —
Research Site Washington D.C. District of Columbia 20007 —
Research Site Altamonte Springs Florida 32701 —
Research Site Hollywood Florida 33021 —
Research Site Miami Beach Florida 33140 —
Research Site Tallahassee Florida 32308 —
Research Site West Palm Beach Florida 33401 —
Research Site Athens Georgia 30607 —
Research Site Atlanta Georgia 30318 —
Research Site Atlanta Georgia 30322 —
Research Site Chicago Illinois 60611 —
Research Site Maywood Illinois 60153 —
Research Site Westwood Kansas 66205 —
Research Site Lexington Kentucky 40503 —
Research Site Louisville Kentucky 40202 —
Research Site Louisville Kentucky 40207 —
Research Site Louisville Kentucky 40241 —
Research Site New Orleans Louisiana 70121 —
Research Site Annapolis Maryland 21401 —
Research Site Baltimore Maryland 21202 —
Research Site Columbia Maryland 21044 —
Research Site Boston Massachusetts 02114 —
Research Site Detroit Michigan 48201 —
Research Site St Louis Missouri 63110 —
Research Site Camden New Jersey 08103 —
Research Site Albuquerque New Mexico 87109 —
Research Site New York New York 10011 —
Research Site New York New York 10021 —
Research Site New York New York 10029 —
Research Site New York New York 10032 —
Research Site New York New York 10065 —
Research Site Charlotte North Carolina 28204 —
Research Site Canton Ohio 44710 —
Research Site Cleveland Ohio 44106 —
Research Site Cleveland Ohio 44111 —
Research Site Cleveland Ohio 44195 —
Research Site Columbus Ohio 43219 —
Research Site Portland Oregon 97227 —
Research Site Hershey Pennsylvania 17033 —
Research Site Philadelphia Pennsylvania 19111 —
Research Site Pittsburgh Pennsylvania 15213 —
Research Site Providence Rhode Island 02903 —
Research Site Germantown Tennessee 38138 —
Research Site Memphis Tennessee 38120 —
Research Site Nashville Tennessee 37203 —
Research Site Nashville Tennessee 37232 —
Research Site Bedford Texas 76022 —
Research Site Dallas Texas 75246 —
Research Site Fort Worth Texas 76104 —
Research Site Houston Texas 77024 —
Research Site Houston Texas 77030 —
Research Site Irving Texas 75063 —
Research Site McAllen Texas 78503 —
Research Site Tyler Texas 75702 —
Research Site Fairfax Virginia 22031 —
Research Site Midlothian Virginia 23114 —
Research Site Norfolk Virginia 23502 —
Research Site Reston Virginia 20190 —
Research Site Edmonds Washington 98026 —
Research Site Issaquah Washington 98029 —
Research Site Puyallup Washington 98373 —
Research Site Seattle Washington 98104 —
Research Site Seattle Washington 98133 —
Research Site Spokane Valley Washington 99216 —
Research Site Morgantown West Virginia 26506 —

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 188 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05629585, 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 14, 2026 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05629585 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →