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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.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.
AD leads to significant improvement in symptoms, medication needs, and quality of life of patients with AERD.
Those with the worse clinical status will benefit more from AD compared with patients with better clinical status.
HLADQB1*0302 was significantly higher in responders than non-responders to AD.
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).