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Evaluating the real-life effect of MP-AzeFlu on asthma outcomes in patients with allergic rhinitis and asthma in UK primary care.


ABSTRACT:

Background

MP-AzeFlu (Dymista®; spray of azelastine/fluticasone propionate) is the most effective allergic rhinitis (AR) treatment available. Its effect on asthma outcomes in patients with AR and asthma is unknown.

Methods

This pre-post historical cohort study, using the Optimum Patient Care Research Database, included patients aged ?12 years, from UK general practice with active asthma (defined as a recorded diagnosis, with ?1 prescription for reliever or controller inhaler) in the year before or at the initiation date. The primary study outcome was change in number of acute respiratory events (i.e. exacerbation or antibiotic course for a respiratory event) between baseline and outcome years. The effect size of MP-AzeFlu was quantified as the difference in % of patients that improved and worsened.

Results

Of the 1,188 patients with AR and asthma included, many had a record of irreversible obstruction (67%), and uncontrolled asthma (70.4%), despite high mean daily doses of reliever/controller therapy and acute oral corticosteroid use, in the year pre-MP-AzeFlu initiation. MP-AzeFlu initiation was associated with fewer acute respiratory events (effect size (e) = 5.8%, p = 0.0129) and a reduction in daily use of short-acting ?2-agonists, with fewer patients requiring >2 SABA puffs/week (e = 7.7% p < 0.0001). More patients had well-controlled asthma 1-year post-MP-AzeFlu initiation (e = 4.1%; p = 0.0037), despite a reduction in inhaled corticosteroids (e = 4.8%; p = 0.0078).

Conclusions

This study provides the first direct evidence of the beneficial effect of MP-AzeFlu on asthma outcomes in co-morbid patients in primary care in the United Kingdom.

Trial registration

EUPAS30940. Registered August 13, 2019.

SUBMITTER: De Jong HJI 

PROVIDER: S-EPMC7753940 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Evaluating the real-life effect of MP-AzeFlu on asthma outcomes in patients with allergic rhinitis and asthma in UK primary care.

De Jong Hilda J I HJI   Voorham Jaco J   Scadding Glenis K GK   Bachert Claus C   Canonica Giorgio Walter GW   Smith Peter P   Wahn Ulrich U   Ryan Dermot D   Castillo Jose A JA   Carter Victoria A VA   Murray Ruth B RB   Price David B DB  

The World Allergy Organization journal 20201219 12


<h4>Background</h4>MP-AzeFlu (Dymista®; spray of azelastine/fluticasone propionate) is the most effective allergic rhinitis (AR) treatment available. Its effect on asthma outcomes in patients with AR and asthma is unknown.<h4>Methods</h4>This pre-post historical cohort study, using the Optimum Patient Care Research Database, included patients aged ≥12 years, from UK general practice with active asthma (defined as a recorded diagnosis, with ≥1 prescription for reliever or controller inhaler) in t  ...[more]

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