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https://hdl.handle.net/2440/50599
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Type: | Journal article |
Title: | Pharmacodynamics and Systemic Exposure of Esomeprazole in Preterm Infants and Term Neonates with Gastroesophageal Reflux Disease |
Author: | Omari, T. Lundborg, P. Sandstrom, M. Bondarov, P. Fjellman, M. Haslam, R. Davidson, G. |
Citation: | Journal of Petroleum Science and Engineering, 2009; 155(2):222-228 |
Publisher: | Elsevier Science BV |
Issue Date: | 2009 |
ISSN: | 0920-4105 1097-6833 |
Statement of Responsibility: | Taher Omari, Per Lundborg, Marie Sandström, Patrik Bondarov, Mia Fjellman, Ross Haslam and Geoffrey Davidson |
Abstract: | Objective To characterize the pharmacodynamics and systemic exposure of esomeprazole in 26 preterm infants and term neonates with symptoms of gastroesophageal reflux and pathologic acid exposure. Study design Enrolled patients received oral esomeprazole 0.5 mg/kg once daily for 7 days. Twenty-four–hour esophagogastric pH-impedance monitoring was performed at baseline and on day 7. Pharmacokinetic analysis was performed on day 7. Symptoms occurring during the baseline and day 7 studies were recorded on a symptom chart. Results There were no significant differences from baseline to day 7 of therapy in the frequency of bolus reflux, consistency of bolus reflux (liquid, mixed, or gas), extent of bolus reflux, or bolus clearance time. Acid bolus reflux episodes were reduced on therapy (median 30 vs 8, P < .001), as was the reflux index (mean % time esophageal pH < 4, 15.7% vs 7.1%, P < .001). The estimated geometric mean of area under the plasma concentration time curve during the dosing interval and observed maximum plasma concentration was 2.5 μmol · h/L and 0.74 μmol/L, respectively. The number of gastroesophageal reflux symptoms recorded over 24 hours was lower on therapy (median 22 vs 12, P < .05). Conclusions In preterm infants and term neonates esomeprazole produces no change in bolus reflux characteristics despite significant acid suppression. |
Keywords: | Humans Gastroesophageal Reflux Gagging Vomiting Anti-Ulcer Agents Administration, Oral Crying Irritable Mood Electric Impedance Food Infant, Newborn Infant, Premature Female Male Esophageal pH Monitoring Esomeprazole |
Description: | Copyright © 2009 Mosby, Inc. All rights reserved. |
DOI: | 10.1016/j.jpeds.2009.02.025 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/623311/description#description |
Published version: | http://dx.doi.org/10.1016/j.jpeds.2009.02.025 |
Appears in Collections: | Aurora harvest 5 Paediatrics publications |
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