REDWOOD CITY, Calif.--(BUSINESS WIRE)--A.P. Pharma (Nasdaq:APPA), a specialty pharmaceutical company, today announced that it has entered into a license and development agreement with Merial, a world leading animal health company, for a long-acting pain management product . The product, which contains an undisclosed analgesic, uses A.P. Pharma’s Biochronomer™ technology to provide sustained drug levels and pain relief over several days following a single administration. The product is currently undergoing animal efficacy studies.