Palatin Technologies, Inc. (NYSE:PTN), a biopharmaceutical company developing first-in-class medicines based on molecules that modulate the activity of the melanocortin receptor system, today announced the presentation of topline results for its Phase 3 PL9643 MELODY-1 pivotal clinical trial evaluating the safety and efficacy of PL9643 versus vehicle in the treatment of dry eye disease (DED) at the American Society of Cataract and Refractive Surgery (ASCRS).