Buccal Drug Delivery Systems: Opportunities and Challenges in Buccal, Sublingual Films, Tablets & Sprays – Detailed analysis on Technologies and Pipeline Development
Within the oral mucosal cavity, the buccal region offers an attractive route of administration for systemic drug delivery. The mucosa has a rich blood supply and it is relatively permeable. The buccal mucosa offers several advantages for controlled drug delivery for extended periods of time. The mucosa is well supplied with both vascular and lymphatic drainage and the first-pass metabolism in the liver and pre-systemic elimination in the gastrointestinal tract are avoided. The area is well suited for a retentive…