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. 2010 Sep;38(9):1393–1396. doi: 10.1124/dmd.110.033878

Fig. 2.

Fig. 2.

Effects on clonidine 4-hydroxylation in HLM from addition of quinidine [CYP2D6 inhibitor (A)], furafylline [CYP1A2 inhibitor (B)], and ketoconazole [CYP3A inhibitor (C)]. Quinidine was evaluated across a broader range of clonidine substrate concentrations than furafylline or ketoconazole.