EWING, N.J.--(BUSINESS WIRE)--Antares Pharma, Inc. (NYSE Amex: AIS) announced today that it has completed enrollment in the double-blind portion of the Company’s Phase 3 clinical trial of Anturol™, its transdermal oxybutynin ATD™ gel for the treatment of overactive bladder (OAB). Top line data from this pivotal trial, which is being conducted under a Special Protocol Assessment (SPA) from the U.S. Food and Drug Administration (FDA), is expected in the third quarter of this year.