Effect of the market withdrawal of dextropropoxyphene on use of other prescribed analgesics

Scandinavian Journal of Pain
Askild ResetEva Skovlund

Abstract

Background and aims Dextropropoxyphene (DXP) is a synthetic opioid that was prescribed worldwide for mild to moderate pain. It was withdrawn from the European market in 2009. In this study we aim to investigate the effect of the market withdrawal of dextropropoxyphene in Norway on overall use of opioids and other analgesics at an individual level. Methods Data were collected from the nationwide Norwegian Prescription Database (NorPD). It covers all prescription of drugs from 01 January 2004 from Norwegian pharmacies dispensed to individuals outside institutions. The study period was divided in two 2-year periods from 01 September 2008 to 31 August 2010, and from the market withdrawal of DXP on 01 September 2010 to 31 August 2012. We included every individual that filled at least one prescription of dextropropoxyphene in the first 2-year period in our study population. In this study dextropropoxyphene, codeine and tramadol are defined as "weak opioids", and all other opioids are termed "strong opioids". Results Nine thousand one hundred and seventy-one individuals were included in our study population. Four thousand two hundred and ninety filled a prescription of DXP only once and were classified as "single users", 2,990 were us...Continue Reading

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