Further evidence for the lack of association between acetylator phenotype and systemic lupus erythematosus

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Abstract
An association between host acetylator phenotype and idiopathic systemic lupus erythematosus (SLE) has been sought for over a decade, without a definitive result. We have observed that the frequency of the slow acetylator phenotype was similar in 64 patients with idiopathic SLE (38%), 60 healthy volunteers (50%), and 52 non-SLE medical service patients (44%). The slow acetylator phenotype was not more frequent among subgroups of the SLE patients defined by demographic features or specific manifestations of disease. Our results, as well as a majority of previously published results, do not provide evidence for an association between acetylator phenotype and idiopathic SLE.