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  • 1
    Electronic Resource
    Electronic Resource
    Lack of pharmacodynamic and pharmacokinetic interaction between pantoprazole and phenprocoumon in man (1996)
    Springer
    European journal of clinical pharmacology 51 (1996), S. 277-281 
    Details
    ISSN: 1432-1041
    Keywords: Key words Pantoprazole; Proton pump inhibitor drug interaction ; oral anticoagulant phenprocoumon ; pharmacodynamics ; pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Objective: Pantoprazole is a selective proton pump inhibitor characterized by a low potential to interact with the cytochrome P450 enzymes in man. Due to the clinical importance of an interaction with anticoagulants, this study was carried out to investigate the possible influence of pantoprazole on the pharmacodynamics and pharmacokinetics of phenprocoumon. Methods: Sixteen healthy male subjects were given individually adjusted doses of phenprocoumon to reduce prothrombin time ratio (Quick method) to about 30–40% of normal within the first 5–9 days and to maintain this level. The individual maintenance doses remained unaltered from day 9 on and were administered until day 15. Additionally, on study days 11–15, pantoprazole 40 mg was given per once daily. As a pharmacodynamic parameter, the prothrombin time ratio was determined on days 9 and 10 (reference value) and on days 14 and 15 (test value), and the ratio test/reference was evaluated according to equivalence criteria. Results: The equivalence ratio (test/reference) for prothrombin time ratio was 1.02 (90% confidence interval 0.95–1.09), thus fulfilling predetermined bioequivalence criteria (0.70–1.43). The pharmacokinetic characteristics AUC0–24h and Cmax of S(−)-and R(+)-phenprocoumon were also investigated using equivalence criteria. Equivalence ratios and confidence limits of AUC0–24h and of Cmax of S(−)-phenprocoumon (0.93, 0.87–1.00 for AUC0–24h; 0.95, 0.88–1.03 for Cmax) and of R(+)-phenprocoumon (0.89, 0.82–0.96; 0.9, 0.83–0.98) were within the accepted range of 0.8–1.25. Conclusion: Pantoprazole does not interact with the anticoagulant phenprocoumon on a pharmacodynamic or pharmacokinetic level. Concomitant treatment was well tolerated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002280050198
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  • 2
    Electronic Resource
    Electronic Resource
    PANTOPRAZOLE AND 24-HOUR INTRAGASTRIC ACIDITY (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 7 (1993), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1993.tb00077.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Single intravenous administration of the H+, K+-ATPase inhibitor BY 1023/SK&F 96022—inhibition of pentagastrin-stimulated gastric acid secretion and pharmacokinetics in man (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 4 (1990), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The effects of the H+, K+-ATPase inhibitor BY 1023/SK&F 96022 on pentagastrin-stimulated acid secretion have been studied in healthy male volunteers (n= 12). The gastric acid response to submaximal pentagastrin-stimulation (0.6 μg/h/kg b.w.) was dose-dependently inhibited. A single dose of 5 mg decreased acid output by 22% while after 60 mg and 80 mg secretion was almost completely abolished.A good dose linearity was observed for AUC (0, 〉) and Cmax over the dose range from 5 to 80 mg. Elimination half-life, total clearance and volume of distribution of the parent compound were independent of the dose.The drug was well tolerated up to the highest dose of 80 mg. No clinically relevant influence was found on either laboratory screen or cardiovascular parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1990.tb00468.x
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  • 4
    Electronic Resource
    Electronic Resource
    Twenty-four-hour intragastric pH profiles and pharmacokinetics following single and repeated oral administration of the proton pump inhibitor pantoprazole in comparison to omeprazole. (1996)
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 10 (1996), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: BACKGROUND: Pantoprazole is a proton pump inhibitor characterized by a low potential to interact with the cytochrome P450 enzyme system in man. Its effect on intragastric pH following single and repeated oral intake was investigated in comparison to omeprazole by continuous intragastric pH-metry at doses recommended for treatment of peptic ulcer disease. METHODS: Sixteen healthy male subjects underwent two dosing periods. From day 1 to day 7, they were given once daily by mouth 40 mg pantoprazole in one period and 20 mg omeprazole in the other period, according to a double-blind randomized crossover design. Twenty-four-hour intragastric pH was recorded and frequent blood samples for pharmacokinetic analysis were taken on day 1 and day 7. A placebo pH profile was obtained prior to each treatment period. RESULTS: Pantoprazole was significantly more effective than omeprazole with regard to increase in 24-h and daytime pH, following both single (median 24-h pH: 1.45 vs. 1.3, P 〈 0.05; median daytime pH: 1.6 vs. 1.3, P 〈 0.01) and repeated (median 24-h pH: 3.15 vs. 2.05, P 〈 0.01; median daytime pH: 3.8 vs. 2.65, P 〈 0.05) oral intake. As compared to the first dose, repeated administration of both drugs markedly increased the effect on intragastric pH. With pantoprazole, steady- state serum concentrations were obtained after the first dose, but not with omeprazole. Both drugs were well tolerated without relevant changes in vital signs of clinical laboratory parameters. CONCLUSION: Pantoprazole 40 mg is significantly more effective than omeprazole 20 mg in raising intragastric pH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0953-0673.1996.00359.x
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  • 5
    Electronic Resource
    Electronic Resource
    A randomized, double-blind, placebo-controlled trial of tegaserod in female patients suffering from irritable bowel syndrome with constipation (2002)
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 16 (2002), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background : Irritable bowel syndrome is a common functional gastrointestinal disorder which affects up to 20% of the population, with a predominance in females.Aim : To evaluate the efficacy and safety of tegaserod in female patients with irritable bowel syndrome characterized by symptoms of abdominal pain/discomfort and constipation.Methods : In a randomized, double-blind, multicentre study, 1519 women received either tegaserod, 6 mg b.d. (n = 767), or placebo (n = 752) for 12 weeks, preceded by a 4-week baseline period without treatment and followed by a 4-week open withdrawal period. The primary efficacy evaluation was the patient's symptomatic response as measured by the Subject's Global Assessment of Relief. Other efficacy variables included abdominal pain/discomfort, bowel habits and bloating.Results : Tegaserod produced significant (P 〈 0.05) improvements in the Subject's Global Assessment of Relief and other efficacy variables. These improvements were seen within the first week, and were maintained throughout the treatment period. After withdrawal of treatment, the symptoms rapidly returned. Overall, tegaserod was well tolerated. Diarrhoea was the most frequent adverse event; however, this led to discontinuation in only 1.6% of tegaserod-treated patients.Conclusions : Tegaserod, 6 mg b.d., produced rapid and sustained improvement of symptoms in female irritable bowel syndrome patients and was well tolerated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2036.2002.01372.x
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