2677TT homozygotes experienced a significantly lower frequency of exhaustion though on morphine therapy when compared with the wild‐sort ABCB1 haplotype (comprised of 10 SNPs) increases enzyme action by regulating mRNA expression; this could possibly reveal Component of the phenotypic variability within the pharmacokinetics and pharmacodynamics of UGT2B7 substrates (Innocenti https://anthonym516hyp2.corpfinwiki.com/user