| abstract |
An iontophoretic delivery device having a donor electrode, a counter electrode, an electrical circuit for supplying iontophoretic energy to the electrode, and a non-electroactive microprojection member having a plurality of stratum corneum piercing microprojections extending from the non-electroactive microprojection member A system and method for transdermally delivering a vaccine to a patient. The vaccine can be contained in a hydrogel formulation in an agent reservoir placed proximal to the donor electrode, in a coating placed on the microprojections, or both. |