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  • Title: Regular albuterol, nedocromil sodium, and bronchial inflammation in asthma.
    Author: Manolitsas ND, Wang J, Devalia JL, Trigg CJ, McAulay AE, Davies RJ.
    Journal: Am J Respir Crit Care Med; 1995 Jun; 151(6):1925-30. PubMed ID: 7767541.
    Abstract:
    Adult, nonsmoking patients with mild to moderate asthma were randomized to receive 4 mg nedocromil sodium (n = 13), 200 micrograms albuterol (n = 13), or placebo (n = 12) four times daily for 16 wk in a double-blind, double-dummy protocol. Before and after treatment, patients underwent histamine bronchial provocation, followed by fiberoptic bronchoscopy. Bronchial mucosal biopsy tissue and bronchoalveolar lavage fluid were examined in detail. Daily diary cards were kept by each patient. Compared with baseline, the numbers of total (EG1) and activated (EG2) eosinophils, expressed as cells per square millimeter of bronchial biopsy tissue, decreased after treatment with nedocromil sodium (pretreatment: EG1 = 152.2 +/- 42.5 and EG2 = 143.8 +/- 36.8; post-treatment: EG1 = 115.4 +/- 35.1 and EG2 = 104.9 +/- 31.6) and increased after treatment with albuterol (pretreatment: EG1 = 129.3 +/- 28.0 and EG2 = 127.5 +/- 30.2; post-treatment: EG1 = 238.0 +/- 55.0 and EG2 = 211.4 +/- 50.4). Although the changes between the active treatment groups were significantly different (p < 0.05), no such significant differences were found in eosinophil numbers before and after treatment when comparisons were made between either of the active treatment groups and the placebo group. Although not significant, the changes in concentration of eosinophil cationic protein in bronchoalveolar lavage reflected the changes seen in numbers of activated eosinophils. No treatment differences were detected for mast cell or lymphocyte numbers. There were no statistical differences between treatment groups for clinical findings, with the exception of evening peak flow, which was significantly increased (p < 0.05) in the albuterol group.(ABSTRACT TRUNCATED AT 250 WORDS)
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