Clinical Research Directory
Browse clinical research sites, groups, and studies.
2 clinical studies listed.
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Tundra lists 2 Drug Use Disorder clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
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NCT04627922
N-Acetylcysteine for Smoking Cessation in Tobacco and Cannabis Co-Use
Tobacco and cannabis co-use is a common and growing public health problem, especially in states that have legalized cannabis. There are no pharmacologic treatments for co-occurring tobacco and cannabis use. Co-use may make quitting either substance more difficult, given the synergistic effects of cannabis and nicotine on neurobiological systems that mediate reward and shared cues reinforcing co-use. N-acetylcysteine (NAC), an FDA-approved medication and over-the-counter supplement, has shown promise in animal studies and randomized controlled trials (RCTs) in reducing tobacco and cannabis craving and use.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-11
1 state
NCT06651333
fMRI and Opioid Abstinence
This project examines functional connectivity patterns associated with subsequent relapse to illicit opioids during treatment for OUD.
Gender: All
Ages: 18 Years - 50 Years
Updated: 2026-08-07
1 state