Tapering of prescribed opioids in patients with long-term non-malignant pain (TOPIO)-efficacy and effects on pain, pain cognitions, and quality of life : a study protocol for a randomized controlled clinical trial with a 12-month follow-up
BACKGROUND: Opioids are still widely prescribed to long-term pain patients although they are no longer recommended for long-term treatments due to poor evidence for long-term efficacy, risks of serious side effects, and the possibility of inducing opioid hyperalgesia. In a Cochrane study from 2017, the authors identified an urgent need for more randomized controlled trials investigating the effici
