A Study Evaluating Trastuzumab Emtansine Plus Pertuzumab Compared With Chemotherapy Plus Trastuzumab and Pertuzumab for Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer

Completed · Phase 3

Conditions studied: Breast Neoplasms

In brief

This is a randomized, multicenter, open-label, two-arm study in treatment-naive participants with operable, locally advanced, or inflammatory, centrally-assessed HER2-positive early breast cancer (EBC) whose primary tumors were greater than or equal to (\>/=) 2 centimeters (cm). The study was designed to evaluate the efficacy and safety of trastuzumab emtansine + pertuzumab (experimental arm; T-DM1 + P) versus chemotherapy, trastuzumab + pertuzumab (control arm; TCH + P). The study comprised a neoadjuvant treatment period, followed by surgery, and an adjuvant treatment period. Treatment can be stopped due to disease recurrence, unacceptable toxicity, withdrawal of consent, or study termination.

Key facts

Study ID

NCT02131064

Run by

Hoffmann-La Roche

People needed

444

Starts

2014-06-25

Expected to finish

2018-05-29

Last updated by the study team

2019-07-02

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Histologically confirmed invasive breast cancer with a primary tumor size of greater than (>) 2 cm
• HER2-positive breast cancer
• Participants with multifocal tumors (more than one tumor confined to the same quadrant as the primary tumor) are eligible provided all discrete lesions are sampled and centrally confirmed as HER2 positive
• Stage at presentation: cT2-cT4, cN0-cN3, cM0, according to American Joint Committee on Cancer (AJCC) staging system
• Known hormone receptor status of the primary tumor
• Participant agreement to undergo mastectomy or breast-conserving surgery after neoadjuvant therapy
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
• Baseline Left Ventricular Ejection Fraction (LVEF) >/= 55 percent (%) measured by echocardiogram (ECHO) or multiple-gated acquisition (MUGA)
• Effective contraception as defined by protocol

You may not qualify if…

• Stage IV (metastatic) breast cancer
• Participants who have received prior anti-cancer therapy for breast cancer except those participants with a history of breast lobular carcinoma in situ (LCIS) that was surgically managed or ductal carcinoma in situ (DCIS) treated exclusively with mastectomy. In case of prior history of LCIS/DCIS, >5 years must have passed from surgery until diagnosis of current breast cancer
• Participants with multicentric (multiple tumors involving more than 1 quadrant) or bilateral breast cancer
• Participants who have undergone incisional and/or excisional biopsy of primary tumor and/or axillary lymph nodes
• Axillary lymph node dissection or positive sentinel lymph node prior to start of neoadjuvant therapy
• History of concurrent or previously non-breast malignancies except for appropriately treated (1) non-melanoma skin cancer and (2) in situ carcinomas, including cervix, colon, and skin. A participant with previous invasive non-breast cancer is eligible provided he/she has been disease-free >/= 5 years
• Treatment with any investigational drug within 28 days prior to randomization
• Current National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version (v) 4.0
• Any significant concurrent medical or surgical conditions or findings that would jeopardize the participant's safety or ability to complete the study
• Current pregnancy or breastfeeding

Where it is running

• Cancer Care Assoc Med Group — Los Angeles, California, United States
• Coastal Integrative Cancer Care — San Luis Obispo, California, United States
• Central Coast Medical Oncology — Santa Maria, California, United States
• UCLA Hematology/Oncology — Santa Monica, California, United States
• Memorial Cancer Institute — Hollywood, Florida, United States
• Md Anderson Cancer Center Orlando — Orlando, Florida, United States
• New England Cancer Specialists — Scarborough, Maine, United States
• Comprehensive Cancer Centers of Nevada - Henderson — Henderson, Nevada, United States
• ProHEALTH Care Associates LLP — Lake Success, New York, United States
• Montefiore Medical Center — The Bronx, New York, United States
• Hope A Women's Cancer Center — Asheville, North Carolina, United States
• Levine Cancer Institute — Charlotte, North Carolina, United States
• Roper Bon Secours St. Francis Cancer Center — Charleston, South Carolina, United States
• Sarah Cannon Research Institute — Nashville, Tennessee, United States
• MD Anderson Cancer Center — Houston, Texas, United States
• UZ Antwerpen — Edegem, Belgium
• UZ Leuven Gasthuisberg — Leuven, Belgium
• Clinique Saint-Joseph — Liège, Belgium
• Clinique Ste-Elisabeth, Pharmacie — Namur, Belgium
• Sint Augustinus Wilrijk — Wilrijk, Belgium
• Cross Cancer Institute ; Dept of Medical Oncology — Edmonton, Alberta, Canada
• Sunnybrook Health Sciences Centre — Toronto, Ontario, Canada
• St. Michael'S Hospital — Toronto, Ontario, Canada
• Chum Hospital Notre Dame — Montreal, Quebec, Canada
• St. Jude Heritage Healthcare; Virgiia K.Crosson Can Ctr — Fullerton, California, United States

Full record on ClinicalTrials.gov

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