Fig. 2From: Relationship of cytochrome P450 gene polymorphisms with blood concentrations of hydroxychloroquine and its metabolites and adverse drug reactionsTime-course of blood concentrations of HCQ and its metabolites in SLE and RA patients receiving 100, 200, 300 or 400 mg HCQ daily. a HCQ; b DHCQ; c DCQ; and d BDCQ (n = 6, n = 74, n = 46 and n = 20 for 100, 200, 300 and 400 mg dose groups, respectively.)Back to article page