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Cancer Chemother Pharmacol. 2013 Aug;72(2):429-35. doi: 10.1007/s00280-013-2216-8. Epub 2013 Jun 26.

Phase II study of single agent oral vinorelbine as first-line treatment in patients with HER-2 negative metastatic breast cancer.

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  • 1Clinical Oncology and Nuclear Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt. magedmansour@hotmail.com

Abstract

PURPOSE:

Previous studies indicated that oral chemotherapy is convenient and preferred by many patients. We hereby report the efficacy and safety of oral vinorelbine as first-line chemotherapy for metastatic breast cancer (MBC).

METHODS:

Thirty-one patients with HER-2 negative MBC were enrolled between January 2007 and December 2010 in a prospective phase II trial. Patients were treated every 3 weeks with oral vinorelbine 60 mg/m² Days 1 and 8 for the 1st cycle and thereafter 80 mg/m² Days 1 and 8 every 3 weeks. Treatment was administered until disease progression or unexpected adverse event or patient refusal to continue. Primary endpoint was objective response rate (ORR); secondary endpoints were time-to-progression (TTP), overall survival (OS) and safety. Follow-up results until October 2012 are reported.

RESULTS:

Median age was 42 years (range 33-75). 26 (84 %) patients had 2 or more metastatic sites. A median of 6 cycles were administered (range 2-20). ORR was achieved in 9 (29 %) patients including 1 complete and 8 partial responses. 12 (39 %) patients had stable disease, resulting in a disease control rate of 68 %. Median TTP was 5.2 months [95 % CI 2.8-7.5]. Median OS was 16 months [95 % CI 11.3-20.7]. 3 (10 %) patients developed Grade 3-4 neutropenia. No events of febrile neutropenia, cardiac, renal toxicities or alopecia were recorded. Grade 3 thrombocytopenia and nausea-vomiting were reported in 2 (6 %) and 5 (16 %) patients, respectively.

CONCLUSION:

Results show a good efficacy and tolerance profile of oral vinorelbine as first-line chemotherapy for HER-2 negative MBC patients.

[PubMed - indexed for MEDLINE]
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