An analysis of the role of IgE in intolerance to aspirin and tartrazine
Abstract
Total serum IgE and eosinophil count were determined for 30 patients with intolerance to aspirin. Total IgE levels in the aspirin intolerant patients were similar to those expected in a non-atopic population. In contrast, total eosinophil count (TEC) tended to be elevated in the aspirin intolerant group. Elevated TEC was observed both in bronchospastic (57%) and in urticarial (25%) aspirin intolerance. Specific anti-aspiryl and anti-tartrazyl antibodies of the IgE class were assayed by the galactosidase immunosorbent test (GIST). IgE anti-aspiryl antibodies were possibly detected in one patient, but did not correlate with clinical intolerance to aspirin. It is unlikely that the clinical symptoms and the eosinophilia of intolerance to aspirin and tartrazine are mediated by antibodies of the IgE class.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 30 participants or records.
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