In a Bloomberg article from 2008, Catherine Larkin describes the technology underlying 4 leading contenders to be the "abuse-resistant" opioid of choice.
1.) an unnamed Purdue product that had yet to be released...I'm guessing that that was OxyNeo. From "druggie blogs," it appears that OxyNeo is failing as a tamper-resistant alternative.
2.) Embeda (same basic strategy as ELTP's ELI-216) was voluntarily recalled.
ENDO's Opana is not being well received from what I have read. It doesn't alleviate pain that well and druggies seem to love it: Here's a post by "tbone":
"I will tell you I have snorted oxy and opana. Opana is way better. Theres not even a comparison. The weird thing is though, Opana ER does not help with pain or give you any kind of buzz when takin orally. but when snorted theres nothing that even comes close to the buzz opana gives. I would not suggest doing opana, because if you think the withdrawal from oxycontin is bad, opana withdrawal is 10 times worst. It feels Deadly."