This paper is the forty-fifth consecutive installment of the annual anthological review of
research concerning the endogenous opioid system, summarizing articles published during …

When treating opioid users with polydrug drug use, special attention should be paid to
dosing when in opioid agonist methadone/buprenorphine treatment and to the presence of …

Purpose Despite the progression of recreational cannabis legalization, the legal system
remains the largest source of referral to treatment for cannabis use. The legal system's …

Methamphetamine use is increasing among people who use opioids (PWUO); however,
factors associated with methamphetamine use among PWUO have not been systematically …

Contingency management is an effective behavioral intervention for treating substance use
disorders that provides patients with incentives for objective verification of completed …

Context Cocaine and metamfetamine use and overdose deaths among United States adults
have been increasing in recent years. We examined associations of medical outcomes with …

Background Recent research shows that co-use of stimulants and opioids appears to be
increasing and injection of opioids and stimulants carries a risk for HIV transmission. This …

Background: Methamphetamine use is on the rise among people who use opioids (PWUO),
which brings additional complexity to the landscape of opioid agonist therapy (OAT) …