A naturalistic comparison of the effectiveness of methadone and two sublingual formulations of buprenorphine on maintenance treatment outcomes: Findings from a retrospective multisite study.

Conclusions: Comparable rates of illicit drug use at 6 months may be expected irrespective of maintenance medication, while increased retention may be expected for patients maintained on methadone relative to those maintained on Suboxone or Subutex. (PsycINFO Database Record (c) 2014 APA, all rights reserved) (Source: Experimental and Clinical Psychopharmacology)