期刊
EXPERT OPINION ON THERAPEUTIC PATENTS
卷 26, 期 7, 页码 745-749出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/13543776.2016.1180365
关键词
Docetaxel; dosage regimen; formulation; polymeric nanosuspension; PSMA
资金
- Council of Scientific and Industrial Research (CSIR), New Delhi
- CSIR-IICT, Hyderabad [CSC-0302]
Non-specificity and drug resistance are two major limitations of all chemotherapeutic agents. Ligandconjugated nanomedicine is the most versatile approach for targeted cancer therapy. Attaching a targeting ligand to the nanoparticle surface increases drug concentration at the desired sites, decreases the dose needed and lessens side effects. The subject of this patent evaluation describes the preparation of a therapeutic nanosuspension of an anticancer drug, docetaxel (DTX). The nanoparticle matrix comprised a polylactic acid-polyethylene glycol block copolymer (PLA-PEG). The nanoparticles were actively directed towards prostate-specific membrane antigen (PSMA) over-expressing cancer cells using a targeting ligand S,S-2-{3-[1-carboxy-5-amino-pentyl-]ureido}-pantanedioic acid (GL2). The dose-limiting toxicity and maximum tolerated dose were determined for GL2-conjugated and DTX-loaded polymeric nanosuspensions. The efficacy of nanosuspensions was evaluated in people with various cancer types. The investigators claim the method of preparation of therapeutic nanosuspension, optimized composition of the formulation and dosage regimen for the clinical studies to effectively treat gastroesophageal and breast cancers.
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