Effect of inhaled corticosteroids on serum periostin levels in adult patients with mild-moderate asthma
Periostin is an extracellular matrix protein, and its expression is upregulated in airway epithelial cells in patients with bronchial asthma. Periostin may be a key molecule linked to type 2 T-helper cell inflammation. Inhaled corticosteroids (ICS) may suppress periostin-induced asthmatic inflammation. This study estimated the serum periostin levels in patients with asthma and evaluated the effect of ICS on the levels of periostin, peak expiratory flow rate (PEFR), and quality of life (QOL).
The study design was prospective, open label, and observational. Forty adults with mild-to-moderate bronchial asthma started on ICS and matched healthy controls were enrolled. The patients were evaluated for their serum periostin, PEFR, and QOL by using asthma QOL questionnaire scores at baseline and after 4 weeks.
The mean ± standard deviation (SD) serum periostin concentration in patients with asthma was 90.36 ± 19.81 ng/mL, which was significantly higher (p < 0.01) compared with healthy controls (31.88 ± 8.71 ng/mL). ICS treatment for 4 weeks reduced the mean ± SD serum periostin levels to 58.78 ± 14.53 ng/mL. The mean ± SD PEFR increased significantly, from 225.25 ± 60.79 L/min to 292.5 ± 59.18 L/min (p < 0.01), after 4 weeks. Similarly, the mean ± SD when using asthma QOL questionnaire scores significantly increased, from 40.7 ± 7.84 at baseline to 59.33 ± 11.0 on day 28 after ICS therapy (p < 0.01).
The serum periostin level, a marker of allergic inflammation and remodeling, increased in bronchial asthma and was reduced with ICS therapy. ICS improved QOL scores and PEFR in patients with asthma.
Document Type: Research Article
Affiliations: 1: From the Department of Pharmacology, Lady Hardinge Medical College and Shrimati Sucheta Kriplani Hospital, New Delhi, India 2: Department of Medicine, Lady Hardinge Medical College and Shrimati Sucheta Kriplani Hospital, New Delhi, India
Publication date: January 1, 2019
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