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DESTINY-Breast01

Phase 2 study of DS-8201a in subjects with breast cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080223637
Enrollment
230
Registered
2017-09-01
Start date
2017-08-30
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HER2 positive unresectable and/or metastatic breast cancer subjects who are resistant or refractory to T-DM1

Interventions

Sponsors

DAIICHI SANKYO Co.,Ltd.
Lead Sponsor
AstraZeneca
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Men or women the age of majority in their country 2.Has pathologically documented breast cancer that: is unresectable or metastatic has HER2 positive expression confirmed per protocol 3.Has an adequate tumor sample 4.Has at least one measurable lesion per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 5.Has protocol-defined adequate cardiac, renal and hepatic function 6.Agrees to follow protocol-defined method(s) of contraception

Exclusion criteria

Exclusion criteria: 1.Has a medical history of myocardial infarction, symptomatic CHF (NYHA classes II-IV), unstable angina or serious cardiac arrhythmia 2.Has a QTc prolongation to > 450 millisecond (ms) in males and > 470 ms in females 3.Has a medical history of clinically significant lung disease

Design outcomes

Primary

MeasureTime frame
efficacy Objective response rate (ORR) assessment by independent central imaging facility review based on RECIST version 1.1.

Secondary

MeasureTime frame
safety efficacy pharmacokinetics Duration of response, best percent change in the sum of the longest diameters of measurable tumors, disease control rate, clinical benefit rate, progression free survival, overall survival, ORR assessed by the investigator based on RECIST version 1.1, Pharmacokinetics, safety

Countries

Asia except Japan, Europe, Japan, North America

Contacts

Public ContactContact for Clinical Trial Information

DAIICHI SANKYO Co.,Ltd.

dsclinicaltrial@daiichisankyo.co.jp+81-3-6225-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026