The Zosano's transdermal system has been tested extensively in pre-clinical and clinical settings. This system can effectively deliver peptides, proteins, small molecules and vaccines.

In pre-clinical studies, Zosano's system coated with human growth hormone showed comparable bioavailability versus sub cutaneous injection with short wear time.

Vaccine antigens exibited good stability which could eliminate cold chain distribution with room temperature stability.

Future product opportunities are being explored to take peptides, proteins, small molecules, and vaccines into further development.