Changes in trends and pattern of strong opioid prescribing in primary care

Zin, Che Suraya and Chen, Li-Chia and Knaggs, Roger D (2014) Changes in trends and pattern of strong opioid prescribing in primary care. European Journal of Pain, 18 (9). pp. 1343-1351. ISSN 1532-2149

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Abstract

Background: This study evaluated the prescribing trends of four commonly prescribed strong opioids in primary care and explored utilization in non-cancer and cancer users. Methods: This cross-sectional study was conducted from 2000 to 2010 using the UK Clinical Practice Research Datalink. Prescriptions ofbuprenorphine, fentanyl, morphine and oxycodone issued to adult patients were included in this study. Opioid prescriptions issued after patients had cancer medical codes were defined as cancer-related use; otherwise, they were considered non-cancer use. Annual number of prescriptions and patients, defined daily dose (DDD/1000 inhabitants/day) and oral morphine equivalent (OMEQ) dose were measured in repeat cross-sectional estimates. Results: In total, there were 2,672,022 prescriptions (87.8% for non-cancer) of strong opioids for 178,692 users (59.9% female, 83.9%non-cancer, mean age 67.1±17.0 years) during the study period. The mean annual (DDD/1000 inhabitants/day) was higher in the non-cancer group than in the cancer group for all four opioids; morphine (0.73±0.28vs. 0.12± 0.04), fentanyl (0.46±0.29 vs. 0.06±0.24), oxycodone(0.24±0.19 vs. 0.038±0.028) and buprenorphine (0.23±0.15 vs.0.008±0.006). The highest proportion of patients were prescribed lowopioid doses (OMEQ≤50 mg/day) in both non-cancer (50.3%) andcancer (39.9%) groups, followed by the dose ranks of 51–100 mg/day (26.2% vs. 28.7%), 101–200 mg/day (15.1% vs. 19.2%) and>200 mg/day (8.25% vs. 12.1%). Conclusions: There has been a huge increase in strong opioid prescribing in the United Kingdom, with the majority of prescriptions for non-cancer pain. Morphine was the most frequently prescribed, but the utilization of oxycodone, buprenorphine and fentanyl increased markedly over time

Item Type:	Article (Journal)
Additional Information:	4127/36513
Uncontrolled Keywords:	strong opioids, primary care
Subjects:	R Medicine > RS Pharmacy and materia medica
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Pharmacy > Department of Pharmacy Practice
Depositing User:	Prof Dr Che Suraya Mohd Zin
Date Deposited:	05 May 2014 14:43
Last Modified:	19 Sep 2017 16:45
URI:	http://irep.iium.edu.my/id/eprint/36513

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