Shire Pharmaceuticals Inc. has announced that University of North Carolina at Chapel Hill researchers studied the efficacy of carbamazepine extended-release capsules (CBZ-ERC, EquetroTM) in patients with manic or mixed episodes of Bipolar I Disorder over six months. Data from this open label study was presented by UNC researchers last week at the 18th annual U.S. Psychiatric and Mental Health Congress in Las Vegas.