HAYWARD, Calif.--(BUSINESS WIRE)--Impax Pharmaceuticals, the branded products division of Impax Laboratories, Inc. (NASDAQ: IPXL), today announced that IPX066 APEX-PD Phase III clinical study data will be presented in a Late Breaker Session at the 63rd annual meeting of the American Academy of Neurology Conference in Honolulu, Hawaii, held from April 9 to April 16. IPX066 is an investigational extended release carbidopa-levodopa (CD-LD) product intended to treat the motor symptoms of Parkinson’s disease.