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Healthcare Costs And Resource Utilization In Chronic Pain Patients Treated With Extended-Release Formulations Of Tapentadol, Oxycodone, Or Morphine Stratified By Type Of Pain: A Retrospective Claims Analysis, 2012–2016

Authors Zah V, Brookfield RB, Imro M, Tatovic S, Pelivanovic J, Vukicevic D

Received 10 July 2019

Accepted for publication 19 October 2019

Published 8 November 2019 Volume 2019:12 Pages 3037—3048

DOI https://doi.org/10.2147/JPR.S222617

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Cristina Weinberg

Peer reviewer comments 3

Editor who approved publication: Dr Michael Ueberall


Vladimir Zah,1 Rowe B Brookfield,2 Martina Imro,1 Simona Tatovic,1 Jovana Pelivanovic,1 Djurdja Vukicevic1

1Health Economics and Outcomes Research Department, ZRx Outcomes Research Inc, Mississauga, Ontario, Canada; 2Field Medical Affairs, Depomed, Inc, Newark, CA, USA

Correspondence: Vladimir Zah
Health Economics and Outcomes Research Department, ZRx Outcomes Research Inc., 3373 Cawthra Road, Mississauga, Ontario, Canada
Tel/fax +14169534427
Email vzah@outcomesresearch.ca

Purpose: Chronic pain treatment imposes a substantial economic burden on US society. Treatment costs may vary across subgroups of patients with different types of pain. The aim of our study was to compare healthcare costs (HC) and resource utilization in musculoskeletal (MP), neuropathic (NP), and cancer pain (CaP) patients treated with long-acting opioids (LAO), using real-world evidence.
Patients and methods: We compared total HC and resource utilization in subgroups of chronic pain patients (MP, NP or CaP) treated with three LAO alternatives: morphine-sulfate extended-release (MsER), oxycodone ER (OxnER) and tapentadol ER (TapER). Retrospective claims data were analyzed in the IBM Truven Health MarketScan® Commercial Claims Database (October 2012 through March 2016). All patients were continuously health plan enrolled for at least 12 months before the index date (first LAO prescription date) and during the LAO-treatment period. The cohorts were propensity-score matched.
Results: A total of 2824 TapER-treated patients were matched to 16,716 OxnER-treated patients, while 2827 TapER patients were matched to 16,817 MsER patients. The average monthly total HC were lower in the TapER than in the OxnER cohort ($2510 vs. $3720, p<0.001), reflecting significantly lower outpatient, inpatient and emergency department visit rates in the TapER cohort. Similarly, the TapER cohort exhibited a lower average monthly total HC ($2520 vs. $2900, p<0.05) than MsER cohort, with significantly fewer inpatient and outpatient visits in the TapER cohort. TapER demonstrated significantly lower total HC than OxnER in patients with NP and MP, and similar to OxnER in CaP patients. TapER costs were similar to MsER costs in all pain-type subpopulations.
Conclusion: Based on real-world evidence, the TapER treatment for chronic pain was associated with significantly lower HC compared with MsER or OxnER. When categorized by type of pain, TapER remained a less costly strategy in comparison with OxnER for MP and NP.

Keywords: long-acting opioids, real-world evidence, administrative database, cost analysis, subgroup analysis


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