New insights and evolving role of pegylated liposomal doxorubicin in cancer therapy.

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New insights and evolving role of pegylated liposomal doxorubicin in cancer therapy.

Drug Resist Updat. 2016 Nov;29:90-106

Authors: Gabizon AA, Patil Y, La-Beck NM

Abstract
We herein review various pharmacological and clinical aspects of pegylated liposomal doxorubicin (PLD), the first nanomedicine to be approved for cancer therapy, and discuss the gap between its potent antitumor activity in preclinical studies and its comparatively modest achievements in clinical studies and limited use in clinical practice. PLD is a complex formulation of doxorubicin based on pharmaceutical nanotechnology with unique pharmacokinetic and pharmacodynamic properties. Its long circulation time with stable retention of the payload and its accumulation in tumors with high vascular permeability both result in important advantages over conventional chemotherapy. The ability of PLD to buffer a number of undesirable side effects of doxorubicin, including a major risk reduction in cardiac toxicity, is now well-established and confers a major added value in a number of disease conditions. PLD is approved for the treatment of ovarian cancer, breast cancer, multiple myeloma, and Kaposi sarcoma. In addition, clinically significant antitumor activity of PLD has been reported in a number of other cancer types, including lymphomas and soft tissue sarcomas. In spite of this, PLD has not replaced conventional doxorubicin in common applications such as the adjuvant and neoadjuvant treatment of breast cancer, and its use in the clinic has not become as widespread as one may have predicted. Exploiting the unique pharmacology of PLD, analyzing its selective biodistribution and homing to tumors in cancer patients with proper theranostic tools, and harnessing its complex interaction with the immune system, will lead to a more selective and rational use of PLD that may have great impact on future clinical results and may help realize its largely untapped potential.

PMID: 27912846 [PubMed - indexed for MEDLINE]

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