Opioid agonist treatment and risk of mortality in French primary care: a nationwide, retrospective cohort study

The Lancet Public Health • July 01, 2026

Opioid treatment linked to lower mortality

Being on opioid agonist treatment was associated with much lower mortality than being off treatment. *Retrospective nationwide cohort study; Level 2 (OCEBM).

Level of evidence: Level 2 (OCEBM)

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