Opioids are effective analgesics for pain relief, however, inappropriate use may cause risks. The aims of the study were to evaluate trends of opioid consumption for pain management in Taiwan and compare them among neighboring Asian countries. Opioid consumption data, including fentanyl, morphine, oxycodone, hydromorphone, codeine, and pethidine, were collected from the Controlled Drugs Management Information System of Taiwan Food and Drug Administration from 2008 to 2018. Data of different continents and neighboring Asian countries were retrieved from the WHO website. The major findings include: (1) In Taiwan, the total annual opioid consumption has gradually increased from 2008 to 2018, with fentanyl being the most frequently consumed opioid analgesic, followed by morphine. Codeine and pethidine consumption dropped significantly over the years. (2) In neighboring Asian countries, the opioid consumption in order from highest to lowest consumption were South Korea, Japan, Taiwan, Singapore, Hong Kong (China), and China. We concluded that, from 2008 to 2018, the total opioid consumption trend for pain management in Taiwan has slowly increased, with fentanyl and morphine being the most commonly used opioids. When compared with neighboring Asian countries, level of opioid consumption in Taiwan was between Japan and Singapore. The research results may provide a reference for healthcare professionals worldwide.
Background: Opioids are effective for severe pain; however, the safety issue is also a primary concern. To better understand the opioid use in Taiwan, we conducted this study. Methods: Data on patients with opioid prescriptions, including morphine, fentanyl, pethidine, codeine, oxycodone, hydromorphone, and buprenorphine were collected using the Taiwan National Health Insurance Database (NHID). Results: Our analysis of opioid prescriptions from 2008 to 2018 in Taiwan indicated that (1) A slow increase in prevalence of opioid prescription was found during the study period. Among the drugs studied, morphine accounted for the majority of the prescriptions written, with a gradual increase annually. Pethidine prescriptions showed a significant and rapid decline over the years; (2) medical centers prescribed the largest number of opioids, followed by regional hospitals, local hospitals, and clinics; (3) the number of prescriptions per year per capita in cancer group was much higher than that in noncancer group. In noncancer group, most of the prescriptions were used in acute pain service (98.7%); and (4) use of opioids increased with age in both cancer and noncancer patients. Conclusion:The total number of opioid prescriptions in Taiwan gradually increased annually, among which morphine was the most commonly used opioid. Cancer patients consumed more opioid prescriptions than noncancer patients and most of the prescriptions in noncancer patients were used in acute pain service. The number of prescriptions increased with the age of the patients in both cancer and noncancer patients. The low prescription rate of opioids in chronic pain in Taiwan is not similar as those in high opioid-consuming countries, such as United States.
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