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Effectiveness and safety of salmeterol/fluticasone fixed-dose combination delivered through Synchrobreathe® in patients with asthma: the real-world EVOLVE study.


ABSTRACT:

Background

Inhalation therapy with corticosteroids and long-acting β2-agonists has been the mainstay of asthma management. However, choosing the correct inhaler technique is essential to effectively deliver the medication to the lungs to attain good asthma control.

Objective

This study aimed to evaluate asthma control and device usability with salmeterol/fluticasone fixed-dose combination (FDC) administered through Synchrobreathe®, a breath-actuated inhaler (BAI), in Indian patients with persistent asthma (EVOLVE study).

Design

The present study was a prospective, open-label, non-comparative, multi-center, observational study.

Methods

The study enrolled 490 patients with documented diagnoses of asthma who were treatment-naive or uncontrolled due to poor inhaler technique associated with a previous device. The primary endpoint was a change from baseline in the Asthma Control Questionnaire-6 (ACQ-6) score at week 12.

Results

Mean ACQ-6 score reduced from 2.2 ± 1.07 (baseline) to 0.4 ± 0.49 (mean change: -1.9 ± 1.12, p < 0.0001) at week 12 in the intention-to-treat (ITT) population, and minimal clinically important difference of 0.5 was observed from week 4 onwards. Peak expiratory flow rate improved by 82.5 ± 75.74 ml/min (p < 0.0001) at week 12 in the ITT population. The proportion of well-controlled responders increased from 39.9% (week 4) to 77.1% (week 12). Most (91%) patients preferred the Synchrobreathe® and rated it very high for usability, portability, patient confidence, and satisfaction. Salmeterol/fluticasone FDC administered through Synchrobreathe® was well tolerated.

Conclusion

Treatment with salmeterol/fluticasone FDC administered through Synchrobreathe® for 12 weeks persistently improved asthma control and lung function and was well tolerated. Most patients were satisfied with it and preferred Synchrobreathe® BAI over their previous device.

Registration

The study was registered with the Clinical Trial Registry of India (CTRI/2018/12/016629).

SUBMITTER: Balamurugan S 

PROVIDER: S-EPMC9761246 | biostudies-literature | 2022 Jan-Dec

REPOSITORIES: biostudies-literature

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Publications

Effectiveness and safety of salmeterol/fluticasone fixed-dose combination delivered through Synchrobreathe<sup>®</sup> in patients with asthma: the real-world EVOLVE study.

Balamurugan Santhalingam S   Sonia Dalal D   Vikrant Deshmukh D   Monotosh Khanra K   Raj Shyam Sundar S   Shamim Akhtar A   Vinay Kumar K   Velayuthaswamy Nandagopal N   Masood Ahmed A   Manohar Lal Gupta G   Ajay Godse G   Sushmeeta Chhowala C   Meena Lopez L   Sandesh Sawant S   Sonali Jadhav J   Abhijit Vaidya V   Jaideep Gogtay G  

Therapeutic advances in respiratory disease 20220101


<h4>Background</h4>Inhalation therapy with corticosteroids and long-acting β<sub>2</sub>-agonists has been the mainstay of asthma management. However, choosing the correct inhaler technique is essential to effectively deliver the medication to the lungs to attain good asthma control.<h4>Objective</h4>This study aimed to evaluate asthma control and device usability with salmeterol/fluticasone fixed-dose combination (FDC) administered through Synchrobreathe<sup>®</sup>, a breath-actuated inhaler (  ...[more]

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