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Medline ® Abstract for Reference 29

of 'Systemic treatment of metastatic breast cancer in women: Chemotherapy'

29
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Randomized phase III trial of pegylated liposomal doxorubicin versus vinorelbine or mitomycin C plus vinblastine in women with taxane-refractory advanced breast cancer.
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Keller AM, Mennel RG, Georgoulias VA, Nabholtz JM, Erazo A, Lluch A, Vogel CL, Kaufmann M, von Minckwitz G, Henderson IC, Mellars L, Alland L, Tendler C
SO
J Clin Oncol. 2004;22(19):3893.
 
PURPOSE: To compare the efficacy of pegylated liposomal doxorubicin (PLD) with that of a common salvage regimen (comparator) in patients with taxane-refractory advanced breast cancer.
PATIENTS AND METHODS: Following failure of a first- or second-line taxane-containing regimen for metastatic disease, 301 women were randomly assigned to receive PLD (50 mg/m(2) every 28 days); or comparator-vinorelbine (30 mg/m(2) weekly) or mitomycin C (10 mg/m(2) day 1 and every 28 days) plus vinblastine (5 mg/m(2) day 1, day 14, day 28, and day 42) every 6 to 8 weeks. Patients were stratified before random assignment based on number of previous chemotherapy regimens for metastatic disease and presence of bone metastases only.
RESULTS: Progression-free survival (PFS) and overall survival (OS) were similar for PLD and comparator (PFS: hazard ratio [HR], 1.26; 95% CI, 0.98 to 1.62; P =.11; median, 2.9 months [PLD]and 2.5 months [comparator]; OS: HR, 1.05; 95% CI, 0.82 to 1.33; P =.71; median, 11.0 months [PLD]and 9.0 months [comparator]). In anthracycline-naïve patients, PFS was somewhat longer with PLD, relative to the comparator (n = 44; median PFS, 5.8 v 2.1 months; HR, 2.40; 95% CI, 1.16 to 4.95; P =.01). Most frequently reported adverse events were nausea (23% to 31%), vomiting (17% to 20%), and fatigue (9% to 20%) and were similar among treatment groups. PLD-treated patients experienced more palmar-plantar erythrodysesthesia (37%; 18% grade 3, 1 patient grade 4) and stomatitis (22%; 5% grades 3/4). Neuropathy (11%), constipation (16%), and neutropenia (14%) were more common with vinorelbine. Alopecia was low in both the PLD and vinorelbine groups (3% and 5%).
CONCLUSION: PLD has efficacy comparable to that of common salvage regimens in patients with taxane-refractory metastatic breast cancer, thereby representing a useful therapeutic option.
AD
US Oncology Inc, Cancer Care Associates, 6151 S Yale, Tulsa, OK 74136, USA. alan.keller2@usoncology.com
PMID