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Pharmacogenetic Tests to Predict the Efficacy of Aspirin Desensitization in Patients With Aspirin-Exacerbated Respiratory Diseases; Hla-Dqb302 Publisher Pubmed



Esmaeilzadeh H1, 2 ; Nabavi M1 ; Aryan Z3, 4 ; Amirzargar AA1
Authors
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Authors Affiliations
  1. 1. Department of Allergy and Immunology, Rasool-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
  2. 2. Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  3. 3. Stud. Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran

Source: Expert Review of Respiratory Medicine Published:2015


Abstract

This study is aimed at investigating the association of HLA-DRB1, HLA-DQA1, and HLA-DQB1 variability with the response to aspirin desensitization (AD). A total of 16 patients with aspirin-exacerbated respiratory diseases (AERD, 81.3% were female) with median age of 29 ± 4.3 years were included in this study. Following 6 months, Sino-Nasal Outcome Test-22 (SNOT-22), medication, symptom scores, and forced expiratory volume in 1 s (FEV1) (all p < 0.001) improved significantly. However, only seven patients (43.7%) had clinically significant improvement in all of the medication and symptom scores and FEV1, who were considered responders to AD. Responders to AD had significantly higher symptom scores compared with non-responders at baseline (20 ± 1.18 vs 10 ± 1.27; p = 0.003). HLADQB1∗0302 was significantly lower in non-responders than in responders to AD (0.12 [0.02-0.76]; p = 0.022). Sensitivity and specificity of HLA-DQB1∗0302 to predict response to AD was 71.4% (95% CI: 35.8-91.7) and 81.8% (95% CI: 52.3-94.8). This study introduces HLA-DQB1∗0302 as a genetic marker for favorable response to AD. © 2015 Informa UK Ltd.
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