Label Analysis of FDA Approved Nasal-brain Delivery Related Preparations

Nasal preparation are preparations that directly delivery drugs on the nasal cavity and exert local or systemic effects. It has the clinical advantages of rapid absorption, high bioavailability, avoid the first-pass effect of liver, and better patient compliance, et al. For nasal-brain administration, nasal preparation can be administered directly to the central nervous system(CNS) via olfactory nerve or trigeminal nerve bypassing the blood-brain barrier, which providing a sager, more effective and convenient route for brain or CNS diseases. In this paper, the label information of Food and Drug Administration(FDA) approved nasal-brain delivery related nasal spray preparations was reviewed, the similarities and differences between these nasal preparations were analyzed in order to provide reference for the development of domestic nasal preparations.