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- W2024352721 abstract "1. Individual responses to intravenous boli of omeprazole have shown considerable variability. Data on the individual responses to the new omeprazole infusion formulation are lacking. 2. Individual dose-responses in the first 24 h of fixed-dose and pH-feedback-controlled infusions of omeprazole were assessed in two randomised, third-party blinded, cross-over studies, using two separate groups of eight healthy subjects. In study A, feedback-controlled infusions of omeprazole (target pH 5, dose range 0-12 mg h-1) and fixed-dose infusions (8 mg h-1) were compared, both with an initial bolus of 80 mg. Omeprazole plasma concentrations were measured. Study B assessed the effect on individual pH-control of a loading bolus of either 40 mg or 80 mg omeprazole, followed by feedback-controlled infusions. 3. Study A: the median % time of pH > 5 was 71.2 (total range: 48.9-83.2) with feedback infusions and 57.9 (28.0-95.3) with fixed-dose infusions (P = 0.06). The mean 24 h infusion doses were 173.1 mg (44.5-253.1) in the feedback group and 192 mg in the fixed-dose group. The AUC of omeprazole plasma concentrations ranged widely, but correlated with the % time of pH > 5 during fixed-dose infusions. Study B: initial boli of 40 mg and 80 mg of omeprazole resulted in similar 24 h median % of time with pH > 5, 69.2 (49.9-78.8) and 69.6 (44.4-87.7), respectively. Mean omeprazole doses infused by feedback pump were 187.6 mg (83.1-253.6) after 40 mg boli and 159.9 mg (61.8-227.0) after 80 mg boli.(ABSTRACT TRUNCATED AT 250 WORDS)" @default.
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- W2024352721 title "Individual and group dose-responses to intravenous omeprazole in the first 24 h: pH-feedback-controlled and fixed-dose infusions." @default.
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- W2024352721 doi "https://doi.org/10.1111/j.1365-2125.1995.tb04404.x" @default.
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