CYP2C9 and tuberculosis: For the outcome of anti-TB drug (ATD)-induced MPE, no significant associations were observed for any of the three investigated SNPs of the CYP2E1 gene (RsaI, rs2070672, rs2070673), for two SNPs of the CYP2C9 gene (rs4918758, rs1057910) and for one SNP of the CYP2C19 gene (-1418 C-T).