DUBLIN, April 1, 2019 /PRNewswire/ -- Alkermes plc (Nasdaq: ALKS) today announced it will present new data related to its schizophrenia disease portfolio at the 2019 Congress of the Schizophrenia International Research Society (SIRS) in Orlando, Fla., April 10-14, 2019. The company will host an accompanying webcast and conference call at 8:00 a.m. ET on Friday, April 12 to review detailed results from the recently completed ALKS 3831 (olanzapine/samidorphan) ENLIGHTEN-2 phase 3 study and interim results from the ongoing ENLIGHTEN-2 extension safety study.