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Understanding factors that contribute to the disposal of unused opioid medication

Authors Buffington DE, Lozicki A, Alfieri T, Bond TC

Received 20 April 2018

Accepted for publication 4 January 2019

Published 19 February 2019 Volume 2019:12 Pages 725—732

DOI https://doi.org/10.2147/JPR.S171742

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Justinn Cochran

Peer reviewer comments 2

Editor who approved publication: Dr Katherine Hanlon


Daniel E Buffington,1,2 Alyson Lozicki,2 Thomas Alfieri,3 T Christopher Bond3

1University of South Florida, College of Medicine, 2University of South Florida, College of Pharmacy, Tampa, FL 33617, USA; 3Purdue Pharma LP, Medical Affairs, Stamford, CT 06901, USA

Purpose: Drivers of excess controlled substance disposal behaviors are not well understood. A survey of patients who had received opioid-based medications was conducted to inform the design of future innovative drug take-back programs.
Methods: This was a cross-sectional survey study conducted in 152 participants who received treatment with an opioid within the previous 2 years and had possession of unused medication following either switching to a different opioid or discontinuation of pain.
Results: Approximately one-third of patients had disposed of their unused opioid medication. Education about the importance of and appropriate methods for drug disposal was associated with a significantly increased likelihood of patients disposing of unused medication, and it was observed that patients prescribed an immediate-release/short-acting opioid were twice as likely to keep their medication compared to those prescribed an extended-release/long-acting opioid. The most commonly reported methods for disposal were via drug return kiosks and flushing the medication down the toilet. Some of the most impactful drivers of unused opioid disposal were routine practice of disposing of all unused drugs and instruction from a health care provider, and the most common driver of keeping unused medication was the desire to have it on-hand should there be a need to treat pain in the future. Over 80 % of patients indicated that they would be more likely to use a drug take-back service if they were offered compensation or if the kiosk was in a location that they visited frequently, and approximately half of the patients indicated that they would be willing to request an initial partial fill of an opioid prescription to reduce the volume of unused medication.
Conclusion: There is a clear need to increase patient awareness about the importance and methods of proper medication disposal, and a great opportunity for health care providers to increase patient education efforts. These study findings also highlight key areas for improvement in drug take-back programs that may promote and incentivize more patients to utilize the services.

Keywords: pain management, patient education, drug diversion, medication safety, drug take back


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