Thomas Clausen

Professor Thomas Clausen at the University of Oslo's SERAF - Norwegian Centre for Addiction Research is a leading expert in opioid addiction treatment and overdose prevention. His research focuses on Opioid Maintenance Treatment (OMT), treatment outcomes, and public health interventions. As Head of the Norwegian Addiction Research Centre since 2016, he leads international collaborations with WHO, EU, and U.S. institutions like the Alcohol Research Group.

• MD (2000) and PhD (2005) from University of Oslo
• Fulbright Scholar (2014-15)

His research program spans addiction epidemiology, registry-based studies, and multidisciplinary interventions. Recent publications examine heroin-assisted treatment quality of life, cancer mortality in opioid users, and take-home naloxone effectiveness. He investigates chronic pain treatment and substance use in aging populations.

Scientific awards include his Fulbright Scholarship. He supervises ongoing PhD projects on topics like lifestyle in OMT patients and quality of life in heroin treatment. Current collaborations include WHO alcohol studies, Nordic overdose research, and EUROPAD/RADARS drug monitoring.