The group's principle activity is to provide a wide-range of drug delivery systems- with particular depth in long-acting parenterals- and is internationally recognized for its contributions to the drug-delivery field. The group's products include microparticles, injectable hydrophobic drug particles, and biodegradable polymers. The group's services include injectable solid implants, VAXCAP(TM) vaccine delivery, and designing for peptide delivery. The group operates from United States.