Temporal Trends Of Pharmacologic Therapies For Patients With Chronic Obstructive Pulmonary Disease In Alberta, Canada.

Abstract:

Objectives:To describe the trends in pharmacologic treatment for patients newly diagnosed with chronic obstructive pulmonary disease (COPD) in Alberta, Canada. Methods:We linked Alberta health databases to identify patients aged ≥35 years with incident COPD between April 2010 and March 2017. Incident cases were defined as those who did not have a hospitalization or outpatient visit with COPD in the previous 2 years. Patients were categorized into two groups: 1) incident cases at a hospital and 2) incident cases at an outpatient clinic, and both were followed until death or being censored by 31 March 2018. Utilization of COPD medication for 30 days following incident event and adherence in maintenance therapy over time were reported. Results:The study included 33,169 patients with incident COPD (hospital: 9,089; outpatient: 24,080). In 18,666 (56.3%) patients starting medication within 30 days of the incident event (2010: 52.7%; 2016: 56.6%; p=0.002), SABA (60.5%) and LABA/ICS (41.6%) were most commonly used. ICS (without LABA) was used in 14.2% and was used as monotherapy in 4.5% of patients. The proportion of patients who initiated any ICS was similar (hospital: 56.7%; outpatient: 55.7%; p=0.194) and decreased in both settings over time (p<0.001). Drug adherence during the first year after the incident event was 54.3%, higher among hospital patients (66.5% vs 48.9%; p<0.001), and improved over time (2010: 53.4%; 2016: 57.4%; p<0.001). Conclusion:The initiation of and adherence to pharmacologic therapy for patients with COPD is low but improves over time. While SABA and LABA/ICS are most commonly used, ICS utilization decreases over time.

authors

Tran DT,Akpinar I,Mayers I,Makhinova T,Jacobs P

doi

10.2147/COPD.S214191

subject

Has Abstract

pub_date

2019-09-26 00:00:00

pages

2245-2256

eissn

1176-9106

issn

1178-2005

pii

214191

journal_volume

14

pub_type

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