"Medication-assisted opioid therapy includes the use of methadone or buprenorphine for the treatment of opioid addiction or dependence and the use of extended-release injectable naltrex-one (Vivitrol®) for relapse prevention in opioid addiction.
"During the course of treatment, many treatment seekers stopped using the drugs that they reported using at entry to the study. Lower rates of drug use were recorded at each follow-up. Furthermore, those that continued to use tended to use less. Most of the changes observed occurred by first follow-up. For most forms of drug use, no particular treatment modality was more associated with cessation than any other and the route into treatment (CJS or non-CJS) did not influence drug-use outcomes.
Admissions to Treatment for Marijuana in the US: According to the federal Treatment Episode Data Set, in 2014 there were 247,461 admissions to treatment with marijuana reported as the primary substance of abuse out of the total 1,614,358 admissions to treatment in the US for those aged 12 and older for all substances that year. This is the lowest number of marijuana admissions and total treatment admissions in at least a decade: marijuana admissions peaked in 2009 at 373,257, and total admissions peaked in 2008 at 2,076,291.
Treatment Admissions in the US with Marijuana as a Primary Substance
"Facilities were asked how many clients in treatment on March 31, 2016, received medication-assisted opioid therapy drugs for detoxification or maintenance purposes. MAT includes the use of methadone and buprenorphine for the treatment of opioid addiction or dependence, and the use of extended-release injectable naltrexone (Vivitrol®) for relapse prevention in opioid addiction. Methadone is available only at OTP facilities that are certified by SAMHSA’s Center for Substance Abuse Treatment.
"It is clear, however, that cannabis use did not compromise substance abuse treatment amongst the medical marijuana using group. In fact, medical marijuana users seemed to fare equal to or better than non-medical marijuana users in every important outcome category. Movement from more harmful to less harmful drugs is an improvement worthy of consideration by treatment providers and policymakers. The economic cost of alcohol use in California has been estimated at $38 billion .