A Study of Trastuzumab Deruxtecan (T-DXd) Versus Trastuzumab Emtansine (T-DM1) in High-risk HER2-positive Participants With Residual Invasive Breast Cancer Following Neoadjuvant Therapy (DESTINY-Breast05)

Last updated:
2026-09-26
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View trial details

Overview

Official protocol title:

A PHASE 3, MULTICENTER, RANDOMIZED, OPEN-LABEL, ACTIVE-CONTROLLED STUDY OF TRASTUZUMAB DERUXTECAN (T-DXD) VERSUS TRASTUZUMAB EMTANSINE (T-DM1) IN SUBJECTS WITH HIGH-RISK HER2-POSITIVE PRIMARY BREAST CANCER WHO HAVE RESIDUAL INVASIVE DISEASE IN BREAST OR AXILLARY LYMPH NODES FOLLOWING NEOADJUVANT THERAPY (DESTINY BREAST05)¿

Intervention/treatment:
TRASTUZUMAB DERUXTECAN (T-DXD; DS-8201A)
Medical condition:
BREAST CANCER HER2-POSITIVE
Protocol code:
DS8201-A-U305
Control number:
246349
Status:
Active, not recruiting
Approved:
December 29, 2020
Trial phase:
Phase 3
For more information:
ClinicalTrials.gov - NCT04622319
This is an external link. The information is not authorized by the Government of Canada.

Eligibility

Sex: ALL
Age
18 Years and older
Accepts healthy volunteers: No

Contacts and locations

Contact
Sponsor
DAIICHI SANKYO INC

Locations

Alberta

Tom Baker Cancer Centre
Calgary, Alberta, T2N4N2

Ontario

The Ottawa Hospital Cancer Centre
Ottawa, Ontario, K1H 8L6

Quebec

CHU de Quebec - Hopital du Saint-Sacrement
Québec, Quebec, G1S 4L8
CHUM
Montreal, Quebec, H2X3E4
CIUSSSS de l'Est-de-l'Ile-de-Montréal - Installation Hôpital Maisonneuve-Rosemont
Montreal, Quebec, H1T 2M4
Jewish General Hospital Segal Cancer Centre
Montreal, Quebec, H3T1E2
McGill University Health Centre - Cedars Cancer Centre
Montreal, Quebec, H4A 3J1
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