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Clinical Trials Search at Vanderbilt-Ingram Cancer Center

DS-8201a Versus T-DM1 for Human Epidermal Growth Factor Receptor 2 (HER2)-Positive, Unresectable and / or Metastatic Breast Cancer Previously Treated With Trastuzumab and Taxane [DESTINY-Breast03]

This study is designed to compare the anti-tumor activity as well as the safety and efficacy of DS-8201a versus T-DM1 in HER2-positive, unresectable and / or metastatic breast cancer subjects previously treated with trastuzumab and taxane.
Not Available
Phase III
Adults
Not Available
Not Available
Rexer, Brent
International
Vanderbilt University
06-18-2019
Treatment
VICCBRE18126
NCT03529110

Eligibility

18 Years
BOTH
NO
Inclusion Criteria:

Is the age of majority in their country

Has pathologically documented breast cancer that:

is unresectable or metastatic

has confirmed HER2-positive expression as determined according to American Society of Clinical Oncology - College of American Pathologists guidelines evaluated at a central laboratory

was previously treated with trastuzumab and taxane in the advanced/metastatic setting or progressed within 6 months after neoadjuvant or adjuvant treatment involving a regimen including trastuzumab and taxane

Has documented radiologic progression (during or after most recent treatment or within 6 months after completing adjuvant therapy)

Is HER2 positive as confirmed by central laboratory assessment of most recent tumor tissue sample available. If archived tissue is not available, agrees to provide a fresh biopsy.

If of reproductive/childbearing potential, agrees to use a highly effective form of contraception or avoid intercourse during and upon completion of the study for at least 4.5 months after the last dose of DS-8201a or 7 months after the last dose of T-DM1

Has adequate renal and hepatic function



Exclusion Criteria:

Has previously been treated with an anti-HER2 antibody drug conjugate (ADC)

Has uncontrolled or significant cardiovascular disease

Has a history of (noninfectious) interstitial lung disease (ILD)/pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening

Has spinal cord compression or clinically active central nervous system (CNS) metastases, defined as untreated and symptomatic, or requiring therapy with corticosteroids or anticonvulsants to control associated symptoms.

Participants with clinically inactive brain metastases may be included in the study.

Participants with treated brain metastases that are no longer symptomatic and who require no treatment with corticosteroids or anticonvulsants may be included in the study if they have recovered from the acute toxic effect of radiotherapy. A minimum of 2 weeks must have elapsed between the end of whole brain radiotherapy and study enrollment.

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