KANSAS CITY, Kan. and BOSTON, Dec. 23, 2013 /PRNewswire/ -- Aratana Therapeutics, Inc., (Nasdaq: PETX ), a biopharmaceutical company focused on the licensing, development and commercialization of innovative medications for pets, today provided a year-end update on its development programs. The company continues to advance each of its small molecule drug candidates within the timelines previously guided and has achieved all planned year-end 2013 clinical milestones. Aratana remains on track to reach significant inflection points for these programs in 2014 and beyond. Steven St. Peter, M.D., President and Chief Executive Officer of Aratana Therapeutics, commented, "We have had an exciting year marked by successful corporate and clinical execution. As we continue to expand and enhance our pipeline of high-value pet therapeutics, we also remain sharply focused on advancing our clinical programs toward timely approvals.