HAMBURG, Germany, Sept. 8, 2009 (GLOBE NEWSWIRE) -- Evotec AG (Frankfurt:EVT) (Nasdaq:EVTC) announced today the Phase I clinical study initiation for EVT 103, a small molecule NR2B-selective NMDA receptor antagonist. EVT 103 is a next generation molecule following EVT 101, the orally available compound currently planned to enter clinical development for treatment-resistant depression in collaboration with Roche.