title: Omeprazole does not affect measured CYP3A4 activity using the erythromycin breath test.
authors.forename: T
authors.initials: T
authors.lastname: Tateishi
authors.forename: S G
authors.initials: SG
authors.lastname: Graham
authors.forename: Y
authors.initials: Y
authors.lastname: Krivoruk
authors.forename: A J
authors.initials: AJ
authors.lastname: Wood
mesh_terms: D000328:Adult; D000897:Anti-Ulcer Agents / Q000494:pharmacology*; D001944:Breath Tests; D002250:Carbon Radioisotopes; D051544:Cytochrome P-450 CYP3A; D003577:Cytochrome P-450 Enzyme System / Q000187:drug effects* / Q000378:metabolism; D004791:Enzyme Inhibitors / Q000494:pharmacology*; D004917:Erythromycin / Q000493:pharmacokinetics*; D006801:Humans; D008297:Male; D006899:Mixed Function Oxygenases / Q000187:drug effects* / Q000378:metabolism; D009853:Omeprazole / Q000494:pharmacology*; D012016:Reference Values
chemical_list: D000897:Anti-Ulcer Agents; D002250:Carbon Radioisotopes; D004791:Enzyme Inhibitors; D004917:Erythromycin; D003577:Cytochrome P-450 Enzyme System; D006899:Mixed Function Oxygenases; C104464:CYP3A protein, human; D051544:Cytochrome P-450 CYP3A; C510163:CYP3A4 protein, human; D009853:Omeprazole