Clinical breast cancer · 2017
Nab-Paclitaxel in Advanced HER2-negative Breast Cancer Patients: Efficacy and Safety Beyond Clinical Trials.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Bernardo Antonio, Palumbo Raffaella, Pedersini Rebecca, Rota Caremoli Elena, Gambaro Anna Rita, Ferzi Antonella, Riva Francesca, Grasso Donatella, Danova Marco, Tarenzi Emiliana, Torri Valter, Cazzaniga Marina E
Аннотация
BACKGROUND: Few data are available regarding efficacy and safety of nanoparticle albumin-bound (nab)-paclitaxel in advanced breast cancer patients outside a controlled trial, especially for the weekly schedule.
PATIENTS AND METHODS: We prospectively collected data of advanced breast cancer patients who were candidates to be treated with weekly (125 mg/m2 for 3 consecutive weeks followed by a 1-week rest) or every 3 weeks (260 mg/m2) schedules of nab-paclitaxel, according to physician's decision.
RESULTS: The study enrolled 209 patients, of whom 92 (39.3%) received weekly nab-paclitaxel. The median age was 58 (range, 31-84) years; 21.8% of the patients were classified as triple-negative breast cancer (estrogen-recetor/progesteron-receptor-negative). The median number of cycles was 5.5. The overall response rate was 32.1% in the whole population, without any significant difference according to schedule, previous paclitaxel exposure, presence of visceral metastases, or line of treatment. The median time to disease progression was 6 months (95% confidence interval, 1-34), with no differences according to the schedule of treatment. Severe adverse events (Grade 3-4) were observed in 60.6% of the patients. The main toxicities were alopecia (53.4%), neutropenia (3%), and sensory neuropathy (2.1%).
CONCLUSION: Our real-life data indicate that both schedules of nab-paclitaxel are manageable and safe in advanced breast cancer patients, even if previously treated with other taxanes.
PATIENTS AND METHODS: We prospectively collected data of advanced breast cancer patients who were candidates to be treated with weekly (125 mg/m2 for 3 consecutive weeks followed by a 1-week rest) or every 3 weeks (260 mg/m2) schedules of nab-paclitaxel, according to physician's decision.
RESULTS: The study enrolled 209 patients, of whom 92 (39.3%) received weekly nab-paclitaxel. The median age was 58 (range, 31-84) years; 21.8% of the patients were classified as triple-negative breast cancer (estrogen-recetor/progesteron-receptor-negative). The median number of cycles was 5.5. The overall response rate was 32.1% in the whole population, without any significant difference according to schedule, previous paclitaxel exposure, presence of visceral metastases, or line of treatment. The median time to disease progression was 6 months (95% confidence interval, 1-34), with no differences according to the schedule of treatment. Severe adverse events (Grade 3-4) were observed in 60.6% of the patients. The main toxicities were alopecia (53.4%), neutropenia (3%), and sensory neuropathy (2.1%).
CONCLUSION: Our real-life data indicate that both schedules of nab-paclitaxel are manageable and safe in advanced breast cancer patients, even if previously treated with other taxanes.