Abstract
Regardless of so many advancements in the treatment, colon cancer still stands third in cancer-related deaths worldwide. Toxicity associated with conventional drugs is one of the major problems associated with chemotherapy. Targeted delivery works by concentrating the medication in the tissues of interest and reducing the concentration in remaining tissues. This delivery system helps the drug molecule to reach preferably to the desired site. The targeting will lower the requirement of a higher dose of the drug thus reducing the dosage frequency. The present review focuses on the various parameters of targeted drug delivery including the criteria for selection of drug and factors affecting the targeted drug delivery and also includes the brief discussion about different targeted drug deliveries for colon cancer therapies.
 Keywords: colon cancer, targeted drug delivery, chemotherapies
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