Recent Advancements in Transdermal Drug Delivery System

Transdermal drug delivery is one of the most promising methods for drug application. The administration of drugs by transdermal route offers the advantage of being relatively painless. Drug delivery with Transdermal patch systems exhibit slow, controlled drug release and absorption. Controlled drug delivery can be achieved by transdermal drug delivery system which can deliver the drug through skin to the systemic circulation at a predetermine rate over a prolonged period of time. Skin penetration enhancement technique have been developed to improve the bioavailability and increase the range of drug for which the transdermal and topical route is viable option. Characterization of transdermal patch is use to check it’s quality, size, time of onset & duration, adhesive property, thickness, weight of patch, moisture of content, uniformity & cutaneous toxicological studies. The market for transdermal products has been in a significant upward trend that is likely to continue for the foreseeable future.