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RESEARCH PRODUCT

Comparative Effect of Beclomethasone Dipropionate and Cetirizine on Acoustic Rhinometry Parameters in Children With Perennial Allergic Rhinitis: A Randomized Controlled Trial.

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Background and objectives The effect of intranasal corticosteroids and oral antihistamines on acoustic rhinometry parameters has not been directly compared. The primary objective was to compare the effect of a 21-day course of treatment with nasal beclomethasone dipropionate (nBDP) with that of cetirizine (CTZ) on nasal patency measured using acoustic rhinometry in children with perennial allergic rhinitis (PAR). The secondary objective was to compare the effect of both drugs on nasal cytology, symptom severity, sleep quality, and quality of life. Methods In this 21-day, open-label, randomized controlled study, 34 children with PAR (age 6-14 years) with a Total 5-Symptom Score (T5SS) ≥5 received nBDP 100 μg per nostril twice daily or CTZ 10 mg tablets once daily. The measures of effect were the least square mean change (LSmc) in nasal volume, minimal cross-sectional area (MCA), and nasal cytology, as well as the scores on the T5SS, Pittsburgh Sleep Quality Index (PSQI), and Paediatric Rhinoconjunctivitis Quality of Life Questionnaire (PRQLQ). Results After 21 days, nBDP improved nasal volume and MCA more than CTZ (LSmc, 2.21 cm3 vs 0.20 cm3 [P=.013]; and LSmc 0.63 cm2 vs 0.13 cm2 [P=.002], respectively). Compared with the CTZ group, a more marked improvement was found in the nBDP group with respect to eosinophil classes (LSmc, -1.10 vs -0.40; P=.031) and neutrophil classes (LSmc, -0.97 vs -0.17; P=.010), T5SS (LSmc, -5.63 vs -3.54; P=.008), PSQI (LSmc, -1.30 vs -0.19; P=.025), and PRQLQ total scores (LSmc, -1.15 vs -0.69; P=.031). Conclusions In children with PAR, nBDP is more effective than CTZ in improving nasal patency measured by acoustic rhinometry, with associated beneficial effects on nasal cytology, symptoms, sleep quality, and quality of life.