none needed...until there's a non addictive/non euphoric inducing effective pain killer we'll be going round and round on the board as we have for years..kinda fun though....now if we could just make some money Gman.!!!........my hopes now lie with the billion dollar products that may be coming unrelated to opioids.......how about a once a week injection of an opioid administered by a patients doctor at his discretion in his office only that would be effective for pain for the full 7 days?...and pull all the pills off the market...now there's one for the "easier said than done" list of of solutions..HA