Safety and efficacy of long‐term use of a buprenorphine transdermal patch system in patients with osteoarthritis and low back pain refractory to non‐opioid analgesics: Post‐marketing surveillance of 3000 cases

This study demonstrated the safety and efficacy of long-term administration of buprenorphine transdermal patches, suggesting that pain control is possible over the long term if attention is paid to ADRs in the early stages of administration.