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  • Title: Safety risks for patients with aspirin-exacerbated respiratory disease after acute exposure to selective nonsteroidal anti-inflammatory drugs and COX-2 inhibitors: Meta-analysis of controlled clinical trials.
    Author: Morales DR, Lipworth BJ, Guthrie B, Jackson C, Donnan PT, Santiago VH.
    Journal: J Allergy Clin Immunol; 2014 Jul; 134(1):40-5. PubMed ID: 24388008.
    Abstract:
    BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) cause bronchospasm in susceptible patients with asthma, often termed aspirin-exacerbated respiratory disease (AERD), with the risk being greatest after acute exposure. Selective NSAIDs that preferentially inhibit COX-2 might be safer. OBJECTIVE: We sought to systematically evaluate changes in symptoms and pulmonary function after acute selective NSAID or COX-2 inhibitor exposure in patients with the AERD phenotype. METHODS: A systematic review of databases was performed to identify all blinded, placebo-controlled clinical trials evaluating acute selective NSAID or COX-2 inhibitor exposure in patients with AERD. Effect estimates for changes in respiratory function and symptoms were pooled by using fixed-effects meta-analysis, with heterogeneity investigated. RESULTS: No significant difference in respiratory symptoms (risk difference, -0.01; 95% CI, -0.03 to 0.01; P = .57), decrease in FEV1 of 20% or greater (RD, 0.00; 95% CI, -0.02 to 0.02; P = .77), or nasal symptoms (RD, -0.01; 95% CI, -0.04 to 0.02; P = .42) occurred with COX-2 inhibitors (eg, celecoxib). Selective NSAID exposure caused respiratory symptoms in approximately 1 in 13 patients with AERD (RD, 0.08; 95% CI, 0.02 to 0.14; P = .01). No significant differences were found according to leukotriene antagonist exposure or whether NSAIDs were randomly allocated. CONCLUSION: According to clinical trial evidence in patients with stable mild-to-moderate asthma with AERD, acute exposure to COX-2 inhibitors is safe, and selective NSAIDs exhibit a small risk. Thus COX-2 inhibitors could be used in patients with AERD or in patients with general asthma unwilling to risk nonselective NSAID exposure when oral challenge tests are unavailable.
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