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Lapatinib-plus-pegylated liposomal doxorubicin in advanced HER2-positive breast cancer following trastuzumab: a phase II trial. | LitMetric

Lapatinib-plus-pegylated liposomal doxorubicin in advanced HER2-positive breast cancer following trastuzumab: a phase II trial.

Anticancer Res

3rd Medical Department with Haematology, Medical Oncology, Hemostaseology, Infectious Diseases, Rheumatology, Oncologic Centre, Salzburg Cancer Research Institute (SCRI) with the Laboratory of Immunological and Molecular Cancer Research (SCRI-LIMCR) and the Center for Clinical Cancer and Immunology Trials (SCRI-CCCIT), Paracelsus Medical University Salzburg, Salzburg, Austria

Published: January 2015

AI Article Synopsis

Article Abstract

Background: Trastuzumab, one important treatment option for HER2-positive metastatic breast cancer (MBC) is limited by its cardiotoxic potential. Lapatinib and pegylated liposomal doxorubicin (PLD) represent a cardiosparing alternative that can cross the blood brain barrier. This is important, because one third of breast cancer patients develop brain metastases.

Patients And Methods: We included 24 patients with HER2-positive MBC progressing under trastuzumab. They received 1,250 mg lapatinib daily until progression plus PLD (40 mg/m(2)) every 4 weeks for maximal 6 cycles. The primary end-point was the overall response rate (ORR). Secondary end-points were progression-free survival (PFS), overall survival (OS), 1-year PFS and 1-year OS rates.

Results: ORR was 54%. Median PFS was 5.8 and median OS 23.3 months. The one-year PFS rate was 27% and 1-year OS rate 76%.

Conclusion: Lapatinib-plus-PLD is active and safe in HER2-positive MBC, especially suitable for patients with cardiological risk or brain metastases.

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