Efficacy and safety of palbociclib in heavily pretreated patients with HR+/HER2- metastatic breast cancer

Author:

Ban Marija1,Miše Branka Petrić1,Majić Ana1,Dražić Ivanka1,Vrdoljak Eduard1

Affiliation:

1. Department of Oncology & Radiotherapy, University Hospital Centre Split, Split School of Medicine, Spinčićeva 1, 21000 Split, Croatia

Abstract

Aim: CDK4/6 inhibitors in the first and second treatment line in patients with HR+/HER2- metastatic breast cancer (mBC) in combination with hormonal therapy improve progression-free survival. Role of CDK4/6 inhibitors in further treatment lines remains unclear. Methods: Retrospective analysis of 24 HR+/HER2- heavily pretreated mBC patients is presented. Results: A total of 58.3% patients achieved stable disease. No objective response was observed. Median progression-free survival was 4.8 months; median overall survival was 11 months. Treatment was well tolerated. Conclusion: Favorable toxicity profile and efficacy of palbociclib/aromatase inhibitors combination in heavily pretreated luminal mBC patients in this study emphasize the need for further investigation of such drugs in this population.

Publisher

Future Medicine Ltd

Subject

Cancer Research,Oncology,General Medicine

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