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A phase III randomized study of neoadjuvant chemotherapy including trastuzumab + cyclophosphamide + docetaxel in patients with operable HER2 positive breast cancer (JBCRG 10)

Phase 2
Conditions
HER2 positive breast cancer
Registration Number
JPRN-UMIN000002365
Lead Sponsor
Japan Breast Cancer Research Group (JBCRG)
Brief Summary

Results: TCH arm: pCR (ypT0/is) rate was 46% (n = 59). Overall response rate was 86%. Breast-conservation rate was 59%, and the proportion of patients who had been planned for mastectomy before PST but received breast-conserving surgery was 33% (9/27 patients). DFS and OS at 3 years were 96.6% and 98.3%, respectively. No significant difference was observed in DFS between the pCR (ypT0/is) and non-pCR groups (P = 0.87).

Detailed Description

Not available

Recruitment & Eligibility

Status
Complete: follow-up complete
Sex
Female
Target Recruitment
103
Inclusion Criteria

Not provided

Exclusion Criteria

1)Hypersensitivity to any agents necessary in the planned treatment. 2)Poorly controlled complication (malignant hypertension, myocardial infarction within 6 months, congestive heart failure, coronary insufficiency, arrhythmia which requires treatment, infection and bleeding). 3)Fever with suspected infection. 4)Symptoms of varicella. 5)Pleural effusion or cardiac effusion which requires treatment. 6)Serious edema. 7)Serious peripheral neuropathy 8)Complication which requires prior treatment with corticosteroid. 9)Regular use of H2 blocker. 10)Has history of or receiving treatment for serious psychiatric disorder. 11)Synchronous bilateral breast cancer excluding contralateral non-invasive cancer (DCIS/LCIS). 12)Multiple primary cancer or has history of multiple primary cancer in the past 5 years. However, carcinoma in situ can be cured by local treatment is not included in multiple primary cancer. 13)History of invasive breast cancer. 14)History of multiple primary cancers in the past 5 years excluding nonmelanoma skin cancer, cervical cancer, thyroid cancer, early gastric cancer and early colorectal cancer appropriately treated. 15)Prior treatment with anticancer agents. 16)Cardiac disorder diagnosed by echocardiography. 17)Women who are pregnant, lactating or with childbearing potential. 18)Ineligible based on decision of an investigator.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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