Association of IgE antibodies to sodium aurothiomalate and adverse reactions to chrysotherapy for rheumatoid arthritis.
The relationship between adverse reactions to chrysotherapy and specific IgE antibodies to sodium aurothiomalate (auIgE) was studied in 67 patients with rheumatoid arthritis (62) or psoriatic arthritis (5). Thirty patients (45 percent) had such antibodies versus none of the 27 control patients. Of the 34 patients in whom reactions to chrysotherapy developed, 23 (68 percent) had auIgE versus 7 (21 percent) without reactions (p less than 0.001). Mucocutaneous lesions were significantly associated with auIgE (p less than 0.001). All five patients with thrombocytopenia, but only one of five with the nephrotic syndrome, had auIgE. The patients with IgE response had higher total serum IgE levels (p less than 0.005), were more likely to be atopic (four to one), and had more recently received chrysotherapy (mean 2.8 +/- 1.95 years versus 7.0 +/- 5.75 years, p less than 0.001) than those without response, but did not differ by either the gold product or the total dose used. Chrysotherapy is associated with the production of specific IgE antibodies to a gold salt, and some mucocutaneous and hematologic reactions may be immunologically mediated.[1]References
- Association of IgE antibodies to sodium aurothiomalate and adverse reactions to chrysotherapy for rheumatoid arthritis. Bretza, J., Wells, I., Novey, H.S. Am. J. Med. (1983) [Pubmed]
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