Maintenance therapy with synthetic opioids and driving aptitude.

Aims: To assess the influence of methadone and buprenorphine maintenance treatment on the driving aptitude of opioid-dependent patients.

Design: Prospective, open label, outpatient maintenance, single-blind (investigator) study.

Participants And Setting: Thirty opioid-dependent patients maintained on either methadone or buprenorphine were recruited from the drug-addiction outpatient clinic in Vienna.