Today's PR stated that "Intellicell will be filing an IND for the treatment of osteoarthritis of knee" An IND is an investigational new drug. See the link below for how the process works for IND's. http://www.fda.gov/drugs/developmentapprovalprocess/howdrugsaredevelopedandapproved/approvalapplications/investigationalnewdrugindapplication/default.htm