Stereoselective renal tubular secretion of cetirizine enantiomers--initial plasma and urine data analysis may hold the key.
Srinivas
Nuggehally R
NR
D017332:Cetirizine / Q000097:blood* / Q000737:chemistry / Q000652:urine*; D039563:Histamine H1 Antagonists, Non-Sedating / Q000097:blood* / Q000737:chemistry / Q000652:urine*; D006801:Humans; D008658:Inactivation, Metabolic; D007684:Kidney Tubules / Q000378:metabolism*; D013237:Stereoisomerism
D039563:Histamine H1 Antagonists, Non-Sedating; C472067:levocetirizine; D017332:Cetirizine