Treatment of aspirin exacerbated respiratory disease with a low salicylate diet: a pilot crossover study

Doron D Sommer, Stephanie Hoffbauer, Michael Au, Leigh J Sowerby, Michael K Gupta, Smriti Nayan
Otolaryngology—Head and Neck Surgery 2015, 152 (1): 42-7

OBJECTIVE: Aspirin exacerbated respiratory disease (AERD) is comprised of aspirin/acetylsalicylic acid (ASA) sensitivity, bronchial asthma, and nasal polyposis. Treatment of this condition is challenging and may include topical/systemic steroids, endoscopic sinus surgery, and/or aspirin desensitization.

STUDY DESIGN: A prospective crossover pilot study (n = 10) was conducted in which patients were randomized into either of 2 groups with 6 weeks of regular diet (R) or 6 weeks of a low salicylate diet (LS).

SETTING: The study was conducted in a tertiary otolaryngology clinic.

SUBJECTS: Patients with AERD were enrolled in the study.

METHODS: Subjective (Sino-nasal Outcome Test-22 [SNOT-22], Nasal Sinus Symptom Scale [NSSS], and the Asthma Control Questionnaire-7 [ACQ-7]) and objective outcome instruments (Peri-Operative Sinus Evaluation [POSE] and Lund-Kennedy Endoscopic Score [LKES]) were used to evaluate patients at baseline, 6 weeks (at crossover), and 12 weeks.

RESULTS: Wilcoxon rank sum tests demonstrated that patients on the low salicylate diet had improved scores compared to their regular diet when evaluated by 4 of the 5 outcome measures (SNOT-22 pLS = 0.0059, NSSS pLS = 0.0195, LKES pLS = 0.0039, POSE pLS = 0.005).

CONCLUSION: Results of the pilot study indicate that implementation of a low salicylate diet improves the nasal symptoms and nasal endoscopy findings of individuals with AERD. Further research is required to support these findings.

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