4.6 Editorial Material

Getting into the colon: approaches to target colorectal cancer

期刊

EXPERT OPINION ON DRUG DELIVERY
卷 11, 期 9, 页码 1343-1350

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1517/17425247.2014.927440

关键词

anti-cancer agent; chemotherapy; colon cancer; colon targeting; particulate drug delivery; receptor mediated transport

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Colorectal cancer (CRC) is the third most common cancer in the world and the second most common cause of cancer related deaths. Conventional treatment of CRC is comprised of drug (chemotherapeutic agents) administration by parenteral route, which delivers the drug to both normal as well as cancerous tissues, thus leading to numerous undesirable effects. Enormous research is going on worldwide for designing an alternative route of administration, among which oral colon-targeted drug delivery systems have gained immense attention amongst scientific community. Direct delivery of drugs at the site of action leads to an increase in the availability of drugs at the targeted region. This causes a reduction in the amount of drug required to exert same therapeutic effect, thus reducing the incidents of adverse effects. Various maneuvers (pH-dependent, time-dependent and microflora-activated systems) have been attempted by researchers for targeting drugs successfully to the colonic region by circumventing the upper part of gastrointestinal tract. This Editorial article aims to put forth an overview of the formulation technologies that have been developed for attaining colon specific drug delivery for the treatment of CRC.

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