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NCT03248492PHASE2TERMINATED

A Study of DS-8201a in Metastatic Breast Cancer Previously Treated With Trastuzumab Emtansine (T-DM1)

A Phase 2, Multicenter, Open-Label Study of DS-8201a, an Anti-HER2-Antibody Drug Conjugate (ADC) for HER2-Positive, Unresectable and/or Metastatic Breast Cancer Subjects Previously Treated With T-DM1 (DESTINY-Breast01)

Sponsor: Daiichi Sankyo + AstraZeneca, Daiichi Sankyo Co., Ltd.

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Breast Cancer
Interventions
DS-8201a
Enrollment
253 participants
Primary completion
Mar 2019
Study completion
May 2024
First posted
Aug 2017
Last updated
Jun 2025

Primary Endpoints (CT.gov)

Objective Response Rate as Confirmed by Independent Central Review Following Intravenous Administration of 5.4 mg/kg DS-8201a in Participants With Metastatic Breast Cancer (Enrolled Analysis Set)

Time frame: at least 6 months after last participant enrolled received first dose up to 19 months (data cut off)

Secondary Endpoints

Objective Response Rate as Confirmed By the Investigator Following Intravenous Administration of DS-8201a in Participants With Metastatic Breast Cancer (Enrolled Analysis Set)

Best Overall Tumor Response as Confirmed By the Investigator Following Intravenous Administration of DS-8201a in Participants With Metastatic Breast Cancer (Enrolled Analysis Set)

Disease Control Rate and Clinical Benefit Rate as Confirmed by Independent Central Review Following Intravenous Administration of DS-8201a in Participants With Metastatic Breast Cancer (Enrolled Analysis Set)

Eligibility Criteria

Inclusion Criteria: * Men or women the age of majority in their country * Has pathologically documented breast cancer that: 1. is unresectable or metastatic 2. has HER2 positive expression confirmed per protocol * Has an adequate tumor sample * Has at least one measurable lesion per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 * Has protocol-defined adequate cardiac, renal and hepatic function * Agrees to follow protocol-defined method(s) of contraception Exclusion Criteria: * Has a medical history of myocardial infarction, symptomatic congestive heart failure (CHF) (NYHA classes II-IV), unstable angina or serious cardiac arrhythmia * Has a corrected QT interval (QTc) prolongation to \> 450 millisecond (ms) in males and \> 470 ms in females * Has a medical history of clinically significant lung disease * Is suspected to have certain other protocol-defined diseases based on imaging at screening period * Has history of any disease, metastatic condition, drug/

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov