The article "Opioid-Free Anesthesia Matches Opioid-Based Regimens" published in Anesthesiology News compares opioid-free anesthesia with opioid-based anesthesia. According to the article, opioid-free anesthesia equals an opioid-based regimen. The article also mentions the failure of injectable buprenorphine in a clinical trial, although it may still be used to treat opioid use disorders (OUD). Anesthesiology News is an independent monthly publication for anesthesiologists in the United States. Article copyright McMahon Publishing.