Ceilings Revisited
A question was asked about the last post that warrants top billing:
“Buprenorphine acts similar to opioid agonists in lower doses, with the same addictive potential as oxycodone or heroin. In higher doses—doses above 8 mg or 8000 micrograms per day—the ‘ceiling effect’ eliminates interest and cravings for the drug.”
I’m not sure I followed this. Can you explain more? What would you think about someone who is taking 1-2mg of Suboxone twice a day without a prescription, and says they want to stay on that dose once they find a prescriber? Are they better off on 8mg or more per day, or would it be ok for a prescriber to keep them at the lower dose? Is the answer the same if they hope to taper off the medication completely within a year (they don’t feel able to do this on their own right now, but hope to be able to when some life circumstances change). Thanks!
This gets a bit complicated, but I’ll do my best. A couple background issues; buprenorphine has a ‘ceiling’ to its effect, meaning that beyond a certain dose, increases in dose do not cause greater opioid effect. That is the mechanism for how buprenorphine blocks cravings.





I recently received the following note from a reader:
In my last post I mentioned that one of my patients on buprenorphine had relapsed. Relapse on buprenorphine reminds me of the philosophical cliché, ‘if a tree falls in a forest and nobody hears it, did it make a sound?’ For those not familiar with the cliché, the question and the answers–from standpoints of science, art, and metaphysics—are discussed in great depth, I just discovered, on Wikipedia. I now know more about the question than I will ever need to know!
I have a number of patients under treatment for opioid dependence taking buprenorphine who have become pregnant, deliberately or accidentally, forcing the decision whether to continue on buprenorphine, taper off the medication, or even whether to terminate the pregnancy.