CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 557 enrolled
Drug / intervention
Trastuzumab deruxtecan (DS-8201a) +5 moredrug
Likely dose
Trastuzumab deruxtecan (DS-8201a) 100 mgfrom 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/NCT03734029
NCT03734029Phase 3Active

A Phase 3, Multicenter, Randomized, Open-label, Active Controlled Trial of DS-8201a, an Anti-HER2-antibody Drug Conjugate (ADC), Versus Treatment of Physician's Choice for HER2-low, Unresectable and/or Metastatic Breast Cancer Subjects

Daiichi Sankyo·interventional·Posted Nov 7, 2018·Updated Oct 6, 2025

In Brief

A Phase 3 clinical trial evaluating Trastuzumab deruxtecan (DS-8201a), Capecitabine, and 4 other interventions for Breast Cancer. Active but no longer recruiting, targeting 557 participants across 208 sites in 20 countries.

Detailed Summary

This study will compare DS-8201a to physician choice standard treatment. Participants must have HER2-low breast cancer that has been treated before. Participants' cancer: * Cannot be removed by an operation * Has spread to other parts of the body

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsBreast Cancer
CountriesAustria, Belgium, Canada, China, France, Germany, Greece, Hungary, Israel, Italy, Japan, Portugal, Russia, South Korea, Spain, Sweden, Switzerland, Taiwan, United Kingdom, United States

Timeline

Phase 3Active
20192020202120222023202420252026
First PostedNov 7, 2018
Enrollment StartDec 27, 2018
Primary CompletionJan 11, 2022
Study CompletionAug 1, 2026
TodayJul 2, 2026
Enrollment to primary: 3.0 yearsPosted 7.7 years ago

Interventions

Trastuzumab deruxtecan (DS-8201a)drug

DS-8201a is a lyophilized powder reconstituted into a sterile aqueous solution (100 mg/5 mL) to be administered intravenously

Capecitabinedrug

Administered according to label, as one option for Physician's Choice (determined before randomization)

Eribulindrug

Administered according to label, as one option for Physician's Choice (determined before randomization)

Gemcitabinedrug

Administered according to label, as one option for Physician's Choice (determined before randomization)

Paclitaxeldrug

Administered according to label, as one option for Physician's Choice (determined before randomization)

Nab-paclitaxeldrug

Administered according to label, as one option for Physician's Choice (determined before randomization)