CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 732 enrolled
Drug / intervention
Dato-DXd +4 moredrug
Likely dose
Dato-DXd 100mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05104866
NCT05104866Phase 3Active

A Phase-3, Open-Label, Randomized Study of Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) in Participants With Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer Who Have Been Treated With One or Two Prior Lines of Systemic Chemotherapy (TROPION-Breast01)

AstraZeneca·interventional·Posted Nov 3, 2021·Updated May 5, 2026

In Brief

A Phase 3 clinical trial evaluating Dato-DXd, Capecitabine, and 3 other interventions for Breast Cancer. Active but no longer recruiting, targeting 732 participants across 167 sites in 20 countries.

Detailed Summary

The study will evaluate the safety and efficacy of datopotamab deruxtecan (also known as Dato-DXd, DS-1062a), when compared with Investigator's choice of standard of care single-agent chemotherapy (eribulin, capecitabine, vinorelbine, or gemcitabine) in participants with inoperable or metastatic HR-positive, HER2- negative breast cancer who have been treated with one or two prior lines of systemic chemotherapy.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsBreast Cancer
CountriesArgentina, Belgium, Brazil, Canada, China, France, Germany, Hungary, India, Italy, Japan, Netherlands, Poland, Russia, South Africa, South Korea, Spain, Taiwan, United Kingdom, United States
CollaboratorsDaiichi Sankyo

Timeline

Phase 3Active
20222023202420252026
First PostedNov 3, 2021
Enrollment StartOct 18, 2021
Primary CompletionJul 24, 2024
Study CompletionJul 31, 2026
TodayJul 2, 2026
Enrollment to primary: 2.8 yearsPosted 4.7 years ago

Interventions

Dato-DXddrug

Experimental drug. Provided in 100mg vials. IV infusion.

Capecitabinedrug

Tablet. Oral route of administration. Active comparator

Gemcitabinedrug

IV Infusion. Active comparator

Eribulindrug

IV Infusion. Active comparator

Vinorelbinedrug

IV Infusion. Active comparator