Objective: To review the literature for pharmacologic management of opioid-induced sedation (OIS) in patients with chronic pain.
Data sources: A search of MEDLINE (1966-October 2004) for English-language literature and selected bibliographies was completed. Search terms included pain, opioid, sedation, psychostimulants, amphetamines, modafinil, and donepezil.
Data synthesis: Amphetamines and amphetamine-like agents, caffeine, donepezil, and modafinil have been evaluated for OIS. Available literature is limited by numbers of subjects, duration, and trial design; however, there is limited support for the use of methylphenidate, donepezil, and modafinil.
Conclusions: Pharmacologic treatment of OIS should be utilized selectively, given the available literature. Methylphenidate, donepezil, and modafinil may be considered in appropriate patients.