I've found that it is pretty good for pain in patients that truly want pain relief and not a high. The problem is that it makes treating acute pain difficult because the buprenorphine essentially occupies the mu receptors so that high doses of pain meds are needed to be effective. So if the pt is going to have surgery, or is in a car wreck, it can be hard to treat the pain.
It is nice for tapering patients off of opiates (legal without x number since it is not treating addiction). 8/2 suboxone strip bid starting during withdrawal (or else the pt will get precipitated withdrawal) for a couple of weeks, followed by taper over a week or two works well with minimal symptoms. If they stay on the suboxone long term, then weaning is difficult.