AEterna Zentaris, Inc. (Nasdaq:AEZS) announced that it has reached agreement with the Food and Drug Administration (FDA) on a Special Protocol Assessment (SPA) for Solorel® (AEZS-130, macimorelin) which will enable the Company to complete the ongoing registration study required to gain approval as a diagnostic test for Adult Growth Hormone Deficiency (AGHD). Aeterna Zentaris is a late-stage oncology drug development company currently investigating potential treatments for various cancers including colorectal, ovarian, endometrial cancer and multiple myeloma.