Abstract

Sulfido-Leukotrienes are important inflammatory mediators of bronchial asthma, intolerance of acetylsalicylic acid (ASA), polyposis nasi and allergic rhinitis. Receptorantagonists like Montelukast constitute a well-established asthma- and ASA intolerance-therapy. The aim of our study was to evaluate changes in patients Health-Related-Quality-of-Life (HRQL) during Montelukast-monotherapy of nasal polyposis. The study was performed in a prospective, double blind and placebo-controlled matter. The study included 30 patients of our ENT outpatient's dept. (77 % male, mean age 49 yrs), suffering from nasal polyposis grade II to IV. Polyps were endoscopically graded, nasal Eosinophilic Cationic Protein (ECP) was measured, and HRQL-score was taken prior to and four weeks after Montelukast-(0 - 0 - 10 mg) compared to placebo. An established HRQL-questionnaire - including 25 items, summarized in 6 symptom-groups - was used. Given was a symptom-score of 1 (not troubled) to 4 (extremely troubled). Patients treated with Montelukast improved their nasal symptoms (Delta HRQL-score 0.58 +/- 0.94, P < 0.01), practical problems (Delta HRQL-score 0.42 +/- 0.71, P < 0.05), headaches (Delta HRQL-score 0.38 +/- 0.56, P < 0.05), non-nasal symptoms (Delta HRQL-score 0.35 +/- 0.92, P < 0.05), sleep (Delta HRQL-score 0.26 +/- 0.71) and emotional problems (Delta HRQL-score 0.18 +/- 0.75). Intranasal ECP (Delta 210.67 ng/ml +/- 332.68) and polyp grading (Delta 0.72 +/- 1.77) tended to improve as well, but did not reach statistical significance. Patients treated with placebo revealed no significant changes neither in HRQL-score, ECP, nor polyp grading. Montelukast-therapy of nasal polyposis significantly improved patient's HRQL in 4 out of 6 symptom-groups. Measuring HRQL proofed to constitute a more sensitive tool than looking at eosinophilic parameters of inflammation or polyp size.

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