Techniques involved in preparation of Hydrogel beads- A novel approach

Oral drug delivery system offers several advantages because of flexibility in design of dosage forms and patient compliance. The colon is the specific site where, local and systemic delivery takes place and also local delivery allows topical treatment of inflammatory bowel disease. Hydrogel beads are one of the successful multi particulate system by which drug can be targetting to specific site. This article mainly focus on potential of hydrogel beads as target release system to stomach and technologies used in preparation methods. Also therapeutic uses of hydrogel beads.