Found out that youths who continued to take Suboxone were less likely to use opioids, cocaine and marijuana, to inject drugs, or drop out of treatment than those who received short-term detoxification and counseling.

Opioids include heroin, morphine and prescription pain killers such as Vicodin and Oxycontin.

Director of the National Institute on Drug Abuse, Highlight the need for longer-term studies to establish whether sustained treatment can improve outcome.