Abstract:

Controlled-drug release systems simplify dosing regimen and minimize drug side effects. These systems increase patient compliance as well as treatment efficacy and safety. Spansules, contain drug capsules surrounded by slowly soluble substances, have been emerged as the first controlled release product. Unlike desired pathological region, influence on all parts of the body of drug active substances is one of the biggest problems in treatments. This problem has been tried to be minimizing through target-specific drug carrier systems. These systems are head role players in targeted treatment, they can release the desired amount of active substance to the desired area, and thus provide important therapeutic benefits for patients. In addition, due to their high economic value, the production of these systems attracts pharmaceutical manufacturers and many countries.

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