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Control of nocturnal gastric acidity: a role for low dose bedtime ranitidine to supplement daily omeprazole.
Dig Dis Sci. 2002 Feb; 47(2):265-73.DD

Abstract

In some patients, proton pump inhibitors do not abolish nocturnal gastric acidity and additional evening antisecretory medication may be required. In 16 subjects with chronic heartburn, 24-hr gastric and esophageal pH were measured at baseline and again after six days of 20 mg omeprazole alone at 08:00 hr followed by placebo, 75 mg ranitidine, or 20 mg omeprazole at 22:00 hr. Integrated acidity was calculated from the cumulative, time-weighted mean acid concentrations (derived from pH values for each second). Baseline integrated gastric acidity increased progressively over 24 hr, whereas integrated esophageal acidity increased only until 22:00 hr. Morning omeprazole nearly abolished 24-hr esophageal acidity and significantly decreased overall gastric acidity but did not abolish nocturnal gastric acidity. Adding evening ranitidine or omeprazole nearly eliminated the nocturnal increase in gastric acidity. Integrated acidity was more sensitive than time pH < 4 in assessing gastric and esophageal acidity as well as their inhibition by omeprazole and ranitidine. In conclusion, integrated acidity provides novel information regarding the synergy of omeprazole plus ranitidine. Adding low-dose ranitidine helps control nocturnal gastric acidity that can occur with conventional omeprazole administration. Although the heartburn patients in the present study had nocturnal gastric acidity without accompanying nocturnal esophageal acid reflux, other patients who do have nocturnal esophageal reflux might profit from addition of bedtime ranitidine or another gastric antisecretory agent.

Authors+Show Affiliations

Oklahoma Foundation for Digestive Research, University of Oklahoma, Health Sciences Center, Oklahoma City, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Controlled Clinical Trial
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

11855540

Citation

Robinson, Malcolm, et al. "Control of Nocturnal Gastric Acidity: a Role for Low Dose Bedtime Ranitidine to Supplement Daily Omeprazole." Digestive Diseases and Sciences, vol. 47, no. 2, 2002, pp. 265-73.
Robinson M, Rodriguez-Stanley S, Ciociola AA, et al. Control of nocturnal gastric acidity: a role for low dose bedtime ranitidine to supplement daily omeprazole. Dig Dis Sci. 2002;47(2):265-73.
Robinson, M., Rodriguez-Stanley, S., Ciociola, A. A., Filinto, J., Zubaidi, S., Miner, P. B., & Gardner, J. D. (2002). Control of nocturnal gastric acidity: a role for low dose bedtime ranitidine to supplement daily omeprazole. Digestive Diseases and Sciences, 47(2), 265-73.
Robinson M, et al. Control of Nocturnal Gastric Acidity: a Role for Low Dose Bedtime Ranitidine to Supplement Daily Omeprazole. Dig Dis Sci. 2002;47(2):265-73. PubMed PMID: 11855540.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Control of nocturnal gastric acidity: a role for low dose bedtime ranitidine to supplement daily omeprazole. AU - Robinson,Malcolm, AU - Rodriguez-Stanley,Sheila, AU - Ciociola,Arthur A, AU - Filinto,Jonathan, AU - Zubaidi,Sattar, AU - Miner,Philip B,Jr AU - Gardner,Jerry D, PY - 2002/2/22/pubmed PY - 2002/3/7/medline PY - 2002/2/22/entrez SP - 265 EP - 73 JF - Digestive diseases and sciences JO - Dig. Dis. Sci. VL - 47 IS - 2 N2 - In some patients, proton pump inhibitors do not abolish nocturnal gastric acidity and additional evening antisecretory medication may be required. In 16 subjects with chronic heartburn, 24-hr gastric and esophageal pH were measured at baseline and again after six days of 20 mg omeprazole alone at 08:00 hr followed by placebo, 75 mg ranitidine, or 20 mg omeprazole at 22:00 hr. Integrated acidity was calculated from the cumulative, time-weighted mean acid concentrations (derived from pH values for each second). Baseline integrated gastric acidity increased progressively over 24 hr, whereas integrated esophageal acidity increased only until 22:00 hr. Morning omeprazole nearly abolished 24-hr esophageal acidity and significantly decreased overall gastric acidity but did not abolish nocturnal gastric acidity. Adding evening ranitidine or omeprazole nearly eliminated the nocturnal increase in gastric acidity. Integrated acidity was more sensitive than time pH < 4 in assessing gastric and esophageal acidity as well as their inhibition by omeprazole and ranitidine. In conclusion, integrated acidity provides novel information regarding the synergy of omeprazole plus ranitidine. Adding low-dose ranitidine helps control nocturnal gastric acidity that can occur with conventional omeprazole administration. Although the heartburn patients in the present study had nocturnal gastric acidity without accompanying nocturnal esophageal acid reflux, other patients who do have nocturnal esophageal reflux might profit from addition of bedtime ranitidine or another gastric antisecretory agent. SN - 0163-2116 UR - https://www.unboundmedicine.com/medline/citation/11855540/Control_of_nocturnal_gastric_acidity:_a_role_for_low_dose_bedtime_ranitidine_to_supplement_daily_omeprazole_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&amp;PAGE=linkout&amp;SEARCH=11855540.ui DB - PRIME DP - Unbound Medicine ER -