CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 41 enrolled
Drug / intervention
Trastuzumab deruxtecandrug
Likely dose
Trastuzumab deruxtecan 5.4 mg/Kgfrom 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/NCT04420598
NCT04420598Phase 2Completed

Multicenter, Open-Label, Single-Arm, Multicohort Phase II Clinical Trial of Trastuzumab Deruxtecan(DS-8201a) in Human Epidermal Growth Factor Receptor 2 HER2+ Advanced Breast Cancer With Brain Metastases and/or Leptomeningeal Carcinomatosis

MedSIR·interventional·Posted Jun 9, 2020·Updated Jun 24, 2025

In Brief

A Phase 2 clinical trial evaluating Trastuzumab deruxtecan for Advanced Breast Cancer and 3 related conditions. Completed, enrolled 41 participants across 16 sites in 2 countries.

Detailed Summary

This is a multicenter, international, open-label, single-arm, multicohort, two-stage optimal Simon's design, phase II clinical trial

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesPortugal, Spain
CollaboratorsDaiichi Sankyo

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedJun 9, 2020
Enrollment StartMay 25, 2020
Primary CompletionSep 30, 2021
Study CompletionApr 4, 2023
TodayJul 2, 2026
Enrollment to primary: 1.3 yearsPosted 6.1 years ago

Interventions

Trastuzumab deruxtecandrug

After having confirmed eligibility and entered into the clinical trial, patients will be treated with trastuzumab deruxtecan (DS-8201a) at 5.4 mg/Kg administered as an intravenous (IV) infusion on Day of 21-day cycle (Q3W), initially for at least 90 minutes, then, if there is no infusion-related reaction, for a minimum of 30 minutes. In patients with hormone receptor (HR)-positive status (estrogen receptor \[ER\] and/or progesterone receptor \[PgR\]) administration of endocrine therapy is not allowed. In patients allocated in study cohort 5, administration of intrathecal therapy is not allowed