PARN: Zydax Top-Line improvement for osteoarthritis in dogs in a pivotal clinical efficacy trial. Parnell Pharmaceuticals Holdings Ltd Announces Positive Top-Line Pivotal Trial Results for Zydax(R), Disease-Modifying Osteoarthritis Drug in Dogs - Yahoo Finan... https://finance.yahoo.com/news/parnell-pharmaceuticals-holdings-ltd-announces-110000720.html