Plain, simple, powerful facts. $ELTP stable ADTs ELI200/201/202/216 have ZERO proven competitors.
A stable Commercially manufactured Pfizer Embeda has NEVER been proven since 2010 . It is now mid-Jun 2014 and still waiting for no-show re-marketing stable Embeda.
Purdue wisely cancelled their R&D 1-bead "Embeda" in 2010 based on advise by their engineering group.