Page last updated: 2024-11-01

omeprazole and Achlorhydria

omeprazole has been researched along with Achlorhydria in 55 studies

Omeprazole: A 4-methoxy-3,5-dimethylpyridyl, 5-methoxybenzimidazole derivative of timoprazole that is used in the therapy of STOMACH ULCERS and ZOLLINGER-ELLISON SYNDROME. The drug inhibits an H(+)-K(+)-EXCHANGING ATPASE which is found in GASTRIC PARIETAL CELLS.
omeprazole : A racemate comprising equimolar amounts of (R)- and (S)-omeprazole.
5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole : A member of the class of benzimidazoles that is 1H-benzimidazole which is substituted by a [4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl group at position 2 and a methoxy group at position 5.

Achlorhydria: A lack of HYDROCHLORIC ACID in GASTRIC JUICE despite stimulation of gastric secretion.

Research Excerpts

ExcerptRelevanceReference
"The increase in the concentration of TFF1/pS2 in gastric secretions during chronic omeprazole-induced achlorhydria may be important in preventing tissue injury and promoting repair in response to an increased luminal bacterial population."7.71Effect of omeprazole-induced achlorhydria on trefoil peptide expression in the rat stomach. ( Alderman, BM; Cook, GA; Giraud, AS; Kang, B; Nicoll, AJ, 2001)
"We estimated fasting and peptone meal stimulated plasma gastrin in nine patients (seven female) with pernicious anaemia and achlorhydria, before and on the final day of 4 weeks' dosing with omeprazole 40 mg daily."7.69Effect of omeprazole and feeding on plasma gastrin in patients with achlorhydria. ( Ardill, JE; Banerjee, S; Beattie, AD; McColl, KE, 1995)
"The role of bacteria in catalysing intragastric formation of N-nitrosothiazolidine-4-carboxylic acid and N-nitrosomorpholine was investigated in a rat model of omeprazole-induced achlorhydria."7.68Bacterial formation of N-nitroso compounds from administered precursors in the rat stomach after omeprazole-induced achlorhydria. ( Bartsch, H; Béréziat, JC; Calmels, S; Ohshima, H, 1991)
" Achlorhydria was induced in rats by the gastric H+/K+ ATPase inhibitor, omeprazole (100 mumol/kg)."7.67Reciprocal regulation of antral gastrin and somatostatin gene expression by omeprazole-induced achlorhydria. ( Brand, SJ; Stone, D, 1988)
"Absorption of ketoconazole is impaired in patients with achlorhydria."5.08Effects of an acidic beverage (Coca-Cola) on absorption of ketoconazole. ( Chin, TW; Fong, IW; Loeb, M, 1995)
"Based on the experience from more than 10,000 individuals omeprazole has been found to be safe and is well tolerated."3.76Omeprazole: long-term safety. ( Arnold, R; Koop, H, 1989)
" However, studies to date have failed to show a similar association with omeprazole, a proton pump inhibitor that also produces achlorhydria."3.72Effect of omeprazole on oral iron replacement in patients with iron deficiency anemia. ( Brannon, MA; Carloss, EA; Sharma, VR, 2004)
" Therefore, we investigated how the chronic gastritis in mice made hypochlorhydric by either gastrin deficiency or omeprazole treatment modulates epithelial cell function."3.71Genetic or chemical hypochlorhydria is associated with inflammation that modulates parietal and G-cell populations in mice. ( Ferguson, A; Merchant, JL; Rieder, G; Samuelson, LC; Zavros, Y, 2002)
" We also determined the forms of EGF present in the gastric juice of patients under basal conditions, patients taking the acid suppressant omeprazole, patients with achlorhydria, and volunteers undergoing intragastric neutralization with NaHCO3 (n = 6 per group)."3.69Epidermal growth factor is digested to smaller, less active forms in acidic gastric juice. ( Batten, JJ; Calam, J; Calnan, DP; Hansen, HF; Marchbank, T; Playford, RJ; Royston, P, 1995)
" The ratio of lactulose to mannitol excreted was normal in both atrophic gastritis and omeprazole-treated groups."3.69Bacterial overgrowth without clinical malabsorption in elderly hypochlorhydric subjects. ( Golner, B; Kowdley, KV; Pedrosa, MC; Perrone, G; Russell, RM; Saltzman, JR; Sepe, T, 1994)
"We estimated fasting and peptone meal stimulated plasma gastrin in nine patients (seven female) with pernicious anaemia and achlorhydria, before and on the final day of 4 weeks' dosing with omeprazole 40 mg daily."3.69Effect of omeprazole and feeding on plasma gastrin in patients with achlorhydria. ( Ardill, JE; Banerjee, S; Beattie, AD; McColl, KE, 1995)
"The role of bacteria in catalysing intragastric formation of N-nitrosothiazolidine-4-carboxylic acid and N-nitrosomorpholine was investigated in a rat model of omeprazole-induced achlorhydria."3.68Bacterial formation of N-nitroso compounds from administered precursors in the rat stomach after omeprazole-induced achlorhydria. ( Bartsch, H; Béréziat, JC; Calmels, S; Ohshima, H, 1991)
" Omeprazole, which blocks the terminal step of acid secretion--the proton pump, can produce long-lasting achlorhydria."3.67Effect of omeprazole on acute gastric stress ulceration in cervical cord transected rats. ( Hardy, KJ; MacLellan, DG; Shulkes, A, 1987)
" Achlorhydria was induced in rats by the gastric H+/K+ ATPase inhibitor, omeprazole (100 mumol/kg)."3.67Reciprocal regulation of antral gastrin and somatostatin gene expression by omeprazole-induced achlorhydria. ( Brand, SJ; Stone, D, 1988)
"Quinine levels were measured fluorometrically from 100 microL samples after simple extraction."2.70A modification of the quininium resin test for assessing gastric acidity. ( Hurwitz, A; Parsonnet, J; Passaro, DJ; Triadafilopoulos, G, 2002)
"Drug-induced hypochlorhydria causes high duodenal bacterial counts in the elderly but, in the short term, this bacterial overgrowth is not associated with malabsorption."2.69Drug-induced hypochlorhydria causes high duodenal bacterial counts in the elderly. ( Dowling, RH; Gainsborough, N; Pereira, SP, 1998)
"To examine the effect of iatrogenic hypochlorhydria on intragastric acetaldehyde production from ethanol after a moderate dose of alcohol, and to relate the findings to the changes in gastric flora."2.69Hypochlorhydria induced by a proton pump inhibitor leads to intragastric microbial production of acetaldehyde from ethanol. ( Färkkilä, M; Jousimies-Somer, H; Nuutinen, H; Salaspuro, M; Tillonen, J; Väkeväinen, S, 2000)
"Thus, hypochlorhydria could be an important risk factor for mineral malabsorption and the development of marginal mineral status."2.68Hypochlorhydria from short-term omeprazole treatment does not inhibit intestinal absorption of calcium, phosphorus, magnesium or zinc from food in humans. ( Pedrosa, M; Russell, RR; Saltzman, JR; Sepe, TE; Serfaty-Lacrosniere, C; Voytko, D; Wood, RJ, 1995)
"During hypochlorhydria the mean oral-caecal transit time was 4."2.67The effects of omeprazole-induced hypochlorhydria on absorption of theophylline from a sustained-release formulation. ( Moncrieff, J; Snyman, JR; Sommers, DK; van Wyk, M, 1992)
"To investigate the effects of hypochlorhydria and acidic drink ingestion on protein-bound vitamin B12 absorption in elderly subjects."2.67Effect of hypochlorhydria due to omeprazole treatment or atrophic gastritis on protein-bound vitamin B12 absorption. ( Dallal, GE; Golner, BB; Kemp, JA; Pedrosa, MC; Russell, RM; Saltzman, JR, 1994)
" Moderate hypergastrinaemia occurs in some patients, especially if an omeprazole dosage of 40 mg/day is needed."2.39Risk-benefit assessment of omeprazole in the treatment of gastrointestinal disorders. ( Creutzfeldt, W, 1994)
"Since hypochlorhydria can induce hypergastrinemia, and gastrin has a trophic effect on some gastrointestinal cells, states that cause elevated plasma gastrin levels are of interest in terms of effects on cell growth and function."2.39Effects of hypochlorhydria and hypergastrinemia on structure and function of gastrointestinal cells. A review and analysis. ( Borch, K; Brand, SJ; Carlsson, E; Creutzfeldt, W; Freston, JW; Håkanson, R; Olbe, L; Solcia, E; Walsh, JH; Wolfe, MM, 1995)
"To date, however, no cases of carcinoid tumor have been attributed to the use of omeprazole in humans."2.38The gastrin hypothesis. Implications for antisecretory drug selection. ( Karnes, WE; Walsh, JH, 1990)
"Conclusions: Prolonged gastric juice hypochlorhydria led to depletion of antioxidant protection enzymes."1.62ACTIVITY OF SUPEROXIDE DISMUTASE AND CATALASE IN THE GASTRIC MUCOSA OF RATS UNDER THE PROLONGED ADMINISTRATION OF OMEPRAZOL AND COMBINATION OF OMEPRAZOLE AND MULTIPROBIOTICS. ( Akarchuk, VVM; Koval, AA; Pylypenko, SV, 2021)
" The present study aimed to develop a novel amorphous solid dispersion (ASD) of CAR with acidic counter ions for pH modifications in microenvironment to improve the pharmacokinetic properties under hypochlorhydric conditions."1.48Amorphous solid dispersions of carvedilol along with pH-modifiers improved pharmacokinetic properties under hypochlorhydoria. ( Halder, S; Onoue, S; Sato, H; Seto, Y; Tabata, A, 2018)
"The aim of this study was to develop new dipyridamole (DP) salts with pH-independent solubility for improving oral bioavailability under hypochlorhydria."1.39New dipyridamole salt with improved dissolution and oral bioavailability under hypochlorhydric conditions. ( Inoue, R; Kato, M; Kawabata, Y; Onoue, S; Taniguchi, C; Wada, K; Yamada, S; Yamashita, K, 2013)
"We examined 27 patients with hypochlorhydria or achlorhydria based on a predefined basal acid output (BAO) measurement of less than 5."1.39Hypochlorhydria and achlorhydria are associated with false-positive secretin stimulation testing for Zollinger-Ellison syndrome. ( Metz, DC; Shah, P; Singh, MH; Yang, YX, 2013)
" Pharmacokinetic profiling of orally dosed DPG or DPG with 60% loading of FA (DPG/FA60) was carried out in omeprazole-treated rats as a hypochlorhydric model."1.38Improved dissolution and pharmacokinetic behavior of dipyridamole formulation with microenvironmental pH-modifier under hypochlorhydria. ( Inoue, R; Kawabata, Y; Onoue, S; Taniguchi, C; Wada, K; Yamada, S; Yamashita, K; Yamauchi, Y, 2012)
"However, AUC(0-3) for DPG/TS under hypochlorhydria was almost identical to that of DPG in normal rats."1.38Novel formulations of dipyridamole with microenvironmental pH-modifiers for improved dissolution and bioavailability under hypochlorhydria. ( Inoue, R; Kawabata, Y; Onoue, S; Taniguchi, C; Wada, K; Yamada, S; Yamashita, K; Yamauchi, Y, 2012)
"Thus, gastric hypochlorhydria would be expected to enhance the susceptibility to prion infection by the oral route."1.37Inhibitors of gastric acid secretion increase the risk of prion infection in mice. ( Benestad, SL; Martinsen, TC; Moldal, T; Waldum, HL, 2011)
"A prolonged GA inhibitor-induced hypochlorhydria has been suggested as a risk factor for severe gastrointestinal infections."1.33Therapy with gastric acidity inhibitors increases the risk of acute gastroenteritis and community-acquired pneumonia in children. ( Canani, RB; Cirillo, P; Guarino, A; Malamisura, B; Manguso, F; Morelli, L; Passariello, A; Roggero, P; Romano, C; Terrin, G, 2006)
"Although profound hypochlorhydria is considered to be an important risk factor for development of gastric cancer, long-term effect of Helicobacter pylori eradication on its reversibility remains uncertain."1.32Long-term effect of Helicobacter pylori eradication on the reversibility of acid secretion in profound hypochlorhydria. ( Iijima, K; Imatani, A; Koike, T; Ohara, S; Sekine, H; Shimosegawa, T, 2004)
"After induction of achlorhydria, however, neither the amount of alpha-amidated gastrin nor the total progastrin product increased in the fat/fat mice."1.31Impaired feedback of gastric functions in carboxypeptidase E-deficient mice. ( Friis-Hansen, L; Rehfeld, JF, 2000)
"Whether such treatment will result in vitamin B12 deficiency is controversial."1.30Effect of long-term gastric acid suppressive therapy on serum vitamin B12 levels in patients with Zollinger-Ellison syndrome. ( Gibril, F; Jensen, RT; Sutliff, VE; Termanini, B; Venzon, DJ; Yu, F, 1998)
" During dosing with omeprazole, basal gastric acid output diminished by 94%, and pentagastrin-stimulated acid output by 97%."1.28Repeated high oral doses of omeprazole do not affect intrinsic factor secretion: proof of a selective mode of action. ( Den Hollander, W; Festen, HP; Meuwissen, SG; Tuynman, HA, 1989)
"Chronic achlorhydria distinctly reduced somatostatin responses to isoproterenol, whereas potent stimulation was observed in controls."1.27Influence of chronic drug-induced achlorhydria by substituted benzimidazoles on the endocrine stomach in rats. ( Arnold, R; Eissele, R; Koop, H; Steinbach, F; Tuch, K; Willemer, S, 1987)
" Achlorhydria, induced by omeprazole at a dosage of 250-500 times that required for effective acid inhibition in man and animals, therefore resulted in reciprocal changes in gastrin and somatostatin cells."1.27Gastric regulatory peptides in rats with reduced acid secretion. ( Allen, JM; Bishop, AE; Bloom, SR; Carlsson, E; Daly, MJ; Larsson, H; Polak, JM, 1986)

Research

Studies (55)

TimeframeStudies, this research(%)All Research%
pre-199010 (18.18)18.7374
1990's25 (45.45)18.2507
2000's11 (20.00)29.6817
2010's8 (14.55)24.3611
2020's1 (1.82)2.80

Authors

AuthorsStudies
Pylypenko, SV2
Koval, AA2
Korinchak, LM1
Akarchuk, VVM1
Halder, S1
Tabata, A1
Seto, Y1
Sato, H1
Onoue, S4
Taniguchi, C3
Inoue, R3
Kato, M1
Yamashita, K3
Kawabata, Y3
Wada, K3
Yamada, S3
Shah, P1
Singh, MH1
Yang, YX1
Metz, DC1
Manko, AM1
Neporada, KS1
Sukhomlyn, AA1
Ghasemzadeh, J1
Beregova, TV1
Yankovskiy, DS1
Martinsen, TC1
Benestad, SL1
Moldal, T1
Waldum, HL1
Yamauchi, Y2
Hage, E1
Hendel, L1
Gustafsen, J1
Hendel, J1
Iijima, K1
Sekine, H1
Koike, T1
Imatani, A1
Ohara, S1
Shimosegawa, T1
Sharma, VR1
Brannon, MA1
Carloss, EA1
Canani, RB1
Cirillo, P1
Roggero, P1
Romano, C1
Malamisura, B1
Terrin, G1
Passariello, A1
Manguso, F1
Morelli, L1
Guarino, A1
Lai, KC1
Cheng, CH1
Leung, PS1
Chin, TW1
Loeb, M1
Fong, IW1
Simon, B1
Eissele, R4
Czornik, M1
Swarovsky, B1
Arnold, R6
Saltzman, JR3
Kemp, JA1
Golner, BB1
Pedrosa, MC2
Dallal, GE1
Russell, RM3
Playford, RJ1
Marchbank, T1
Calnan, DP1
Calam, J1
Royston, P1
Batten, JJ1
Hansen, HF1
Rantala, A1
Ovaska, J1
Freston, JW1
Borch, K1
Brand, SJ2
Carlsson, E2
Creutzfeldt, W2
Håkanson, R1
Olbe, L1
Solcia, E1
Walsh, JH2
Wolfe, MM1
Kowdley, KV1
Sepe, T1
Golner, B1
Perrone, G1
Miyazaki, Y1
Shinomura, Y1
Yasunaga, Y1
Higashimoto, Y1
Kanayama, S1
Aoki, T1
Okuda, Y1
Narita, T1
Miwa, K1
Miyazaki, I1
Serfaty-Lacrosniere, C1
Wood, RJ1
Voytko, D1
Pedrosa, M1
Sepe, TE2
Russell, RR1
Banerjee, S1
Ardill, JE1
Beattie, AD1
McColl, KE1
Termanini, B1
Gibril, F1
Sutliff, VE1
Yu, F1
Venzon, DJ1
Jensen, RT1
Pereira, SP1
Gainsborough, N1
Dowling, RH1
Paiva, SA1
Booth, SL1
Camilo, ME1
O'Brien, ME1
Davidson, KW1
Sadowski, JA1
Friis-Hansen, L1
Rehfeld, JF1
Viani, F1
Siegrist, HH1
Pignatelli, B1
Cederberg, C1
Idström, JP1
Verdu, EF1
Fried, M1
Blum, AL1
Armstrong, D1
Väkeväinen, S1
Tillonen, J1
Salaspuro, M1
Jousimies-Somer, H1
Nuutinen, H1
Färkkilä, M1
Zavros, Y1
Rieder, G1
Ferguson, A1
Samuelson, LC1
Merchant, JL1
Kang, B1
Alderman, BM1
Nicoll, AJ1
Cook, GA1
Giraud, AS1
Passaro, DJ1
Hurwitz, A1
Triadafilopoulos, G1
Parsonnet, J1
Read, MA1
Read, DM1
Kapuscinski, M1
Shulkes, A2
Sommers, DK1
van Wyk, M1
Snyman, JR1
Moncrieff, J1
Patberg, H1
Koop, H5
Krack, W1
Lorenz, W1
McKnight, AT1
Griffith, JL1
Cummings, OW1
Hirschowitz, BI1
Cataldi, R1
Meeroff, M1
Calmels, S2
Béréziat, JC2
Ohshima, H2
Bartsch, H2
Berlin, RG1
Wormsley, KG1
Rosskopf, B1
Adler, G1
Karnes, WE1
Festen, HP1
Tuynman, HA1
Den Hollander, W1
Meuwissen, SG1
Willemer, S1
Steinbach, F1
Tuch, K1
Stone, D1
Cadiot, G1
Lehy, T1
Bonfils, S1
Friedman, G1
Bishop, AE1
Allen, JM1
Daly, MJ2
Larsson, H1
Bloom, SR1
Polak, JM1
MacLellan, DG1
Hardy, KJ1
Pottage, A1

Clinical Trials (1)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Proton Pump Inhibitors in the Prevention of Iron Reaccumulation in Patient With Hereditary Hemochromatosis[NCT01524757]48 participants (Anticipated)Interventional2012-03-31Not yet recruiting
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Reviews

6 reviews available for omeprazole and Achlorhydria

ArticleYear
Effects of hypochlorhydria and hypergastrinemia on structure and function of gastrointestinal cells. A review and analysis.
    Digestive diseases and sciences, 1995, Volume: 40, Issue:2 Suppl

    Topics: Achlorhydria; Animals; Gastric Mucosa; Gastrins; Humans; Intestinal Mucosa; Omeprazole; Rats

1995
Risk-benefit assessment of omeprazole in the treatment of gastrointestinal disorders.
    Drug safety, 1994, Volume: 10, Issue:1

    Topics: Achlorhydria; Animals; Gastrointestinal Diseases; Humans; Omeprazole; Risk Factors

1994
Is hypergastrinaemia dangerous for man?
    Scandinavian journal of gastroenterology. Supplement, 1991, Volume: 180

    Topics: Achlorhydria; Gastric Acid; Gastric Mucosa; Gastrins; Humans; Omeprazole

1991
The gastrin hypothesis. Implications for antisecretory drug selection.
    Journal of clinical gastroenterology, 1990, Volume: 12 Suppl 2

    Topics: Achlorhydria; Animals; Carcinoid Tumor; Cell Transformation, Neoplastic; Enterochromaffin Cells; Gas

1990
Omeprazole: long-term safety.
    Digestion, 1989, Volume: 44 Suppl 1

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Carcinoid Tumor; Clinical Trials as

1989
Omeprazole.
    The American journal of gastroenterology, 1987, Volume: 82, Issue:3

    Topics: Achlorhydria; Animals; Duodenal Ulcer; Humans; Omeprazole; Rats; Zollinger-Ellison Syndrome

1987

Trials

10 trials available for omeprazole and Achlorhydria

ArticleYear
Effects of an acidic beverage (Coca-Cola) on absorption of ketoconazole.
    Antimicrobial agents and chemotherapy, 1995, Volume: 39, Issue:8

    Topics: Achlorhydria; Adult; Carbonated Beverages; Female; Gastric Acid; Humans; Hydrogen-Ion Concentration;

1995
Effect of hypochlorhydria due to omeprazole treatment or atrophic gastritis on protein-bound vitamin B12 absorption.
    Journal of the American College of Nutrition, 1994, Volume: 13, Issue:6

    Topics: Absorption; Achlorhydria; Administration, Oral; Aged; Aged, 80 and over; Female; Gastric Acid; Gastr

1994
Hypochlorhydria from short-term omeprazole treatment does not inhibit intestinal absorption of calcium, phosphorus, magnesium or zinc from food in humans.
    Journal of the American College of Nutrition, 1995, Volume: 14, Issue:4

    Topics: Achlorhydria; Adult; Aged; Anti-Ulcer Agents; Calcium; Female; Food Analysis; Humans; Hydrogen-Ion C

1995
Drug-induced hypochlorhydria causes high duodenal bacterial counts in the elderly.
    Alimentary pharmacology & therapeutics, 1998, Volume: 12, Issue:1

    Topics: Achlorhydria; Age Factors; Aged; Aged, 80 and over; Anti-Ulcer Agents; Bacteria, Aerobic; Bacteria,

1998
Interaction between vitamin K nutriture and bacterial overgrowth in hypochlorhydria induced by omeprazole.
    The American journal of clinical nutrition, 1998, Volume: 68, Issue:3

    Topics: 1-Carboxyglutamic Acid; Achlorhydria; Adult; Aged; Bacteria; Biomarkers; Cross-Over Studies; Diet; D

1998
Hypochlorhydria induced by a proton pump inhibitor leads to intragastric microbial production of acetaldehyde from ethanol.
    Alimentary pharmacology & therapeutics, 2000, Volume: 14, Issue:11

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Acetaldehyde; Achlorhydria; Adult; Anti-Ulcer Agents; Bacte

2000
A modification of the quininium resin test for assessing gastric acidity.
    Alimentary pharmacology & therapeutics, 2002, Volume: 16, Issue:5

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Adult; Anti-Ulcer Agents; Benzimidazoles; Fem

2002
The effects of omeprazole-induced hypochlorhydria on absorption of theophylline from a sustained-release formulation.
    European journal of clinical pharmacology, 1992, Volume: 43, Issue:2

    Topics: Achlorhydria; Adult; Delayed-Action Preparations; Gastrointestinal Transit; Humans; Intestinal Absor

1992
Omeprazole: long-term safety.
    Digestion, 1989, Volume: 44 Suppl 1

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Carcinoid Tumor; Clinical Trials as

1989
[Therapeutic achlorhydria: for which diseases, when and for how long?].
    Deutsche medizinische Wochenschrift (1946), 1988, Mar-31, Volume: 113, Issue:13

    Topics: Achlorhydria; Clinical Trials as Topic; Double-Blind Method; Duodenal Ulcer; Esophagitis, Peptic; Hi

1988

Other Studies

40 other studies available for omeprazole and Achlorhydria

ArticleYear
Influence of opefera on the colon motility of rats in the conditions of prolonged gastric juice hypoacidity.
    Wiadomosci lekarskie (Warsaw, Poland : 1960), 2019, Volume: 72, Issue:11 cz 1

    Topics: Achlorhydria; Animals; Colon; Gastric Juice; Humans; Omeprazole; Rats

2019
ACTIVITY OF SUPEROXIDE DISMUTASE AND CATALASE IN THE GASTRIC MUCOSA OF RATS UNDER THE PROLONGED ADMINISTRATION OF OMEPRAZOL AND COMBINATION OF OMEPRAZOLE AND MULTIPROBIOTICS.
    Wiadomosci lekarskie (Warsaw, Poland : 1960), 2021, Volume: 74, Issue:2

    Topics: Achlorhydria; Animals; Catalase; Gastric Mucosa; Male; Omeprazole; Superoxide Dismutase

2021
Amorphous solid dispersions of carvedilol along with pH-modifiers improved pharmacokinetic properties under hypochlorhydoria.
    Biopharmaceutics & drug disposition, 2018, Volume: 39, Issue:4

    Topics: Achlorhydria; Administration, Oral; Animals; Antihypertensive Agents; Carbazoles; Carvedilol; Drug L

2018
New dipyridamole salt with improved dissolution and oral bioavailability under hypochlorhydric conditions.
    Drug metabolism and pharmacokinetics, 2013, Volume: 28, Issue:5

    Topics: Achlorhydria; Administration, Oral; Animals; Biological Availability; Dipyridamole; Humans; Hydrogen

2013
Hypochlorhydria and achlorhydria are associated with false-positive secretin stimulation testing for Zollinger-Ellison syndrome.
    Pancreas, 2013, Volume: 42, Issue:6

    Topics: Achlorhydria; Adolescent; Adult; Aged; Anti-Ulcer Agents; Esomeprazole; False Positive Reactions; Fe

2013
Experimental correction of metabolic changes in mouth at long-term hypoacidity by multiprobiotic "Symbiter acidophilic".
    Fiziolohichnyi zhurnal (Kiev, Ukraine : 1994), 2014, Volume: 60, Issue:5

    Topics: Achlorhydria; Animals; Anti-Ulcer Agents; Free Radicals; Gastric Juice; Gastric Mucosa; Gastrins; Gl

2014
Inhibitors of gastric acid secretion increase the risk of prion infection in mice.
    Scandinavian journal of gastroenterology, 2011, Volume: 46, Issue:12

    Topics: Achlorhydria; Animals; Brain Chemistry; Disease Susceptibility; Female; Gastric Acid; Hydrogen-Ion C

2011
Improved dissolution and pharmacokinetic behavior of dipyridamole formulation with microenvironmental pH-modifier under hypochlorhydria.
    International journal of pharmaceutics, 2012, Apr-15, Volume: 426, Issue:1-2

    Topics: Achlorhydria; Administration, Oral; Animals; Area Under Curve; Biological Availability; Chemistry, P

2012
Novel formulations of dipyridamole with microenvironmental pH-modifiers for improved dissolution and bioavailability under hypochlorhydria.
    International journal of pharmaceutics, 2012, Sep-15, Volume: 434, Issue:1-2

    Topics: Achlorhydria; Administration, Oral; Animals; Area Under Curve; Benzenesulfonates; Biological Availab

2012
Histopathology of the gastric oxyntic mucosa in two different patient groups during long-term treatment with omeprazole.
    European journal of gastroenterology & hepatology, 2003, Volume: 15, Issue:7

    Topics: Achlorhydria; Aged; Aged, 80 and over; Anti-Ulcer Agents; Cell Division; Drug Administration Schedul

2003
Long-term effect of Helicobacter pylori eradication on the reversibility of acid secretion in profound hypochlorhydria.
    Alimentary pharmacology & therapeutics, 2004, Jun-01, Volume: 19, Issue:11

    Topics: Achlorhydria; Aged; Anti-Bacterial Agents; Anti-Ulcer Agents; Clarithromycin; Drug Therapy, Combinat

2004
Effect of omeprazole on oral iron replacement in patients with iron deficiency anemia.
    Southern medical journal, 2004, Volume: 97, Issue:9

    Topics: Achlorhydria; Administration, Oral; Aged; Aged, 80 and over; Anemia, Iron-Deficiency; Anti-Ulcer Age

2004
Therapy with gastric acidity inhibitors increases the risk of acute gastroenteritis and community-acquired pneumonia in children.
    Pediatrics, 2006, Volume: 117, Issue:5

    Topics: Achlorhydria; Acute Disease; Anti-Ulcer Agents; Child, Preschool; Community-Acquired Infections; Gas

2006
The ghrelin system in acinar cells: localization, expression, and regulation in the exocrine pancreas.
    Pancreas, 2007, Volume: 35, Issue:3

    Topics: Achlorhydria; Acute Disease; Animals; Autocrine Communication; Ceruletide; Food Deprivation; Gastric

2007
Effect of gastrin receptor blockade on gastrin and histidine decarboxylase gene expression in rats during achlorhydria.
    Scandinavian journal of gastroenterology, 1995, Volume: 30, Issue:6

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Blotting, Northern; Chromogranin A;

1995
Epidermal growth factor is digested to smaller, less active forms in acidic gastric juice.
    Gastroenterology, 1995, Volume: 108, Issue:1

    Topics: Achlorhydria; Acids; Animals; Bicarbonates; Digestion; Drug Stability; Epidermal Growth Factor; Fema

1995
Association between medically induced achlorhydria of the stomach and a severe postoperative infection? A report of two cases.
    Annales chirurgiae et gynaecologiae, 1994, Volume: 83, Issue:3

    Topics: Achlorhydria; Adult; Aged; Bacteria, Anaerobic; Bacterial Infections; Duodenal Ulcer; Gastrectomy; H

1994
Bacterial overgrowth without clinical malabsorption in elderly hypochlorhydric subjects.
    Gastroenterology, 1994, Volume: 106, Issue:3

    Topics: Achlorhydria; Aged; Bacteria; Carbohydrates; Colony-Forming Units Assay; Fats; Feces; Female; Gastri

1994
Effect of antrectomy and drug-induced achlorhydria on urinary excretion of N-terminal big gastrin immunoreactivity in rats.
    Regulatory peptides, 1993, Nov-19, Volume: 49, Issue:1

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Benzimidazoles; Female; Gastrectomy;

1993
Effect of omeprazole and feeding on plasma gastrin in patients with achlorhydria.
    Alimentary pharmacology & therapeutics, 1995, Volume: 9, Issue:5

    Topics: Achlorhydria; Administration, Oral; Aged; Aged, 80 and over; Anemia, Pernicious; Anti-Ulcer Agents;

1995
Effect of long-term gastric acid suppressive therapy on serum vitamin B12 levels in patients with Zollinger-Ellison syndrome.
    The American journal of medicine, 1998, Volume: 104, Issue:5

    Topics: Achlorhydria; Adenosine Triphosphatases; Adolescent; Adult; Aged; Anti-Ulcer Agents; Drug Monitoring

1998
Impaired feedback of gastric functions in carboxypeptidase E-deficient mice.
    Biochemical and biophysical research communications, 2000, Jan-19, Volume: 267, Issue:2

    Topics: Achlorhydria; Animals; Base Sequence; Carboxypeptidase H; Carboxypeptidases; Chromogranin A; Chromog

2000
The effect of intra-gastric acidity and flora on the concentration of N-nitroso compounds in the stomach.
    European journal of gastroenterology & hepatology, 2000, Volume: 12, Issue:2

    Topics: Achlorhydria; Adult; Carcinogens; Enzyme Inhibitors; Female; Humans; Hydrogen-Ion Concentration; Mal

2000
Genetic or chemical hypochlorhydria is associated with inflammation that modulates parietal and G-cell populations in mice.
    Gastroenterology, 2002, Volume: 122, Issue:1

    Topics: Achlorhydria; Animals; Anti-Bacterial Agents; Anti-Ulcer Agents; B-Lymphocytes; Bacteriological Tech

2002
Effect of omeprazole-induced achlorhydria on trefoil peptide expression in the rat stomach.
    Journal of gastroenterology and hepatology, 2001, Volume: 16, Issue:11

    Topics: Achlorhydria; Animals; Gastric Mucosa; Growth Substances; Male; Mucins; Muscle Proteins; Neuropeptid

2001
Achlorhydria induced changes in gastrin, somatostatin, H+/K(+)-ATPase and carbonic anhydrase in the sheep.
    Regulatory peptides, 1992, Jul-02, Volume: 40, Issue:1

    Topics: Achlorhydria; Animals; Base Sequence; Blotting, Northern; Carbonic Anhydrases; Chromatography, Gel;

1992
Effect of gastrin receptor blockade on endocrine cells in rats during achlorhydria.
    Gastroenterology, 1992, Volume: 103, Issue:5

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Enterochromaffin Cells; Gastrins; Hi

1992
Development of sustained achlorhydria in a patient with the Zollinger-Ellison syndrome treated with omeprazole.
    Gastroenterology, 1991, Volume: 101, Issue:1

    Topics: Achlorhydria; Atrophy; Female; Gastric Mucosa; Humans; Middle Aged; Omeprazole; Zollinger-Ellison Sy

1991
[Reply to the critique by Drs. Díaz de Rojas y Castelló Tapias].
    Revista espanola de enfermedades digestivas, 1991, Volume: 80, Issue:4

    Topics: Achlorhydria; Depression, Chemical; Gastric Acid; Humans; Omeprazole; Peptic Ulcer

1991
Bacterial formation of N-nitroso compounds in the rat stomach after omeprazole-induced achlorhydria.
    IARC scientific publications, 1991, Issue:105

    Topics: Achlorhydria; Animals; Bacteria; Gastric Mucosa; Male; Nitrosamines; Nitroso Compounds; Omeprazole;

1991
Bacterial formation of N-nitroso compounds from administered precursors in the rat stomach after omeprazole-induced achlorhydria.
    Carcinogenesis, 1991, Volume: 12, Issue:3

    Topics: Achlorhydria; Animals; Escherichia coli; Gastric Mucosa; Hydrogen-Ion Concentration; Male; Morpholin

1991
Omeprazole: gastrin and gastric data (August 1991)
    Digestive diseases and sciences, 1991, Volume: 36, Issue:10

    Topics: Achlorhydria; Animals; Carcinoid Tumor; Gastrins; Humans; Omeprazole; Rats; Stomach Neoplasms

1991
Proliferation of endocrine cells in the rat stomach caused by drug-induced achlorhydria.
    Gastroenterology, 1991, Volume: 101, Issue:1

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Cell Count; Enterochromaffin Cells;

1991
Repeated high oral doses of omeprazole do not affect intrinsic factor secretion: proof of a selective mode of action.
    Alimentary pharmacology & therapeutics, 1989, Volume: 3, Issue:4

    Topics: Achlorhydria; Gastric Acid; Humans; Intrinsic Factor; Male; Omeprazole; Pentagastrin; Perfusion; Phe

1989
Influence of chronic drug-induced achlorhydria by substituted benzimidazoles on the endocrine stomach in rats.
    Gastroenterology, 1987, Volume: 92, Issue:2

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Achlorhydria; Animals; Benzimidazoles; Female; Gastric Acid

1987
Reciprocal regulation of antral gastrin and somatostatin gene expression by omeprazole-induced achlorhydria.
    The Journal of clinical investigation, 1988, Volume: 82, Issue:3

    Topics: Achlorhydria; Animals; Gastrins; Gene Expression Regulation; Male; Omeprazole; Pyloric Antrum; Rats;

1988
Action of somatostatin analogue (SMS 201-995) on the growth-promoting effect resulting from sustained achlorhydria in rat gastric mucosa, with special reference to endocrine cell behaviour.
    European journal of clinical investigation, 1988, Volume: 18, Issue:4

    Topics: Achlorhydria; Animals; Endocrine Glands; Female; Gastric Acid; Gastric Mucosa; Gastrins; Octreotide;

1988
Gastric regulatory peptides in rats with reduced acid secretion.
    Digestion, 1986, Volume: 35 Suppl 1

    Topics: Achlorhydria; Animals; Gastrectomy; Gastric Acid; Gastric Fundus; Gastrins; Gastrointestinal Hormone

1986
Effect of omeprazole on acute gastric stress ulceration in cervical cord transected rats.
    Digestive diseases and sciences, 1987, Volume: 32, Issue:4

    Topics: Achlorhydria; Animals; Body Temperature; Disease Models, Animal; Dose-Response Relationship, Drug; F

1987
Antisecretory drugs and gastric cancer.
    British medical journal (Clinical research ed.), 1985, Dec-07, Volume: 291, Issue:6509

    Topics: Achlorhydria; Animals; Benzimidazoles; Humans; Mice; Omeprazole; Rats; Stomach Neoplasms; Triazoles

1985