"Buprenorphine and naloxone in combination and buprenorphine alone are safe and reduce the use of opiates and the craving for opiates among opiate-addicted persons who receive these medications in an office-based setting."

Source

Fudala, Paul J., PhD, T. Peter Bridge, MD, Susan Herbert, MA, William O. Williford, PhD, C. Nora Chiang, PhD, Karen Jones, MS, Joseph Collins, ScD, Dennis Raisch, PhD, Paul Casadonte, MD, R. Jeffrey Goldsmith, MD, Walter Ling, MD, Usha Malkerneker, MD, Laura McNicholas, MD, PhD, John Renner, MD, Susan Stine, MD, PhD, & Donald Tusel, MD for the Buprenorphine/Naloxone Collaborative Study Group, "Office-Based Treatment of Opiate Addiction with a Sublingual-Tablet Formulation of Buprenorphine and Naloxone," New England Journal of Medicine, Sept. 4, 2003, Vol. 349, No. 10, p. 949.
http://content.nejm.org/cgi/r…