PTIE/KG received a Complete Response Letter from the FDA for on REMOXY's NDA. Additional non-clinical data will be required. <a href="http://finance.yahoo.com/news/Pain-Therapeutics-Receives-prnews-13807824.html" target="_blank">http://finance.yahoo.com/news/Pain-Therapeutics-Receives-prnews-13807824.html</a>