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The safety, pharmacodynamics, and pharmacokinetics of immediate-release formulation containing esomeprazole 20 mg/sodium bicarbonate 800 mg in healthy adult male

Authors
 Dasohm Kim  ;  Min Soo Park  ;  Byung Won Yoo  ;  Taegon Hong  ;  Shin Jung Park  ;  Choon Ok Kim 
Citation
 Drug Design, Development and Therapy, Vol.13 : 3151-3159, 2019 
Journal Title
 Drug Design, Development and Therapy 
Issue Date
2019
Keywords
24-hr pH monitoring ; esomeprazole ; immediate-release esomeprazole ; sodium bicarbonate
Abstract
Background: Esomeprazole is the most effective treatment for acid-related disorders and is widely used with enteric coating due to rapid degradation in the acidic environment. However, the enteric-coated formulation delays absorption and onset of action. To overcome this limitation, an immediate-release formulation containing esomeprazole 20 mg and sodium bicarbonate 800 mg (IR-ESO) was developed. Purpose: To evaluate the safety, pharmacokinetics (PK), and pharmacodynamics of IR-ESO compared to those of esomeprazole 20 mg (ESO). Methods: A randomized, open-label, multiple-dose, two-treatment, two-sequence crossover study was conducted in 40 healthy male subjects. Subjects received either IR-ESO or ESO for 7 days. After single and multiple dosing, blood samples were collected for PK analysis, and intragastric pH was assessed by 24-hr pH monitoring. Results: Plasma esomeprazole exposure of IR-ESO was similar to that of ESO after single and multiple dosing. Time to peak concentration of IR-ESO (0.50-0.75 hr) was shorter than that of ESO (1.25-1.50 hr). Percentage changes in 24-hr integrated gastric acidity from baseline for IR-ESO were similar to those for ESO. In addition, mean time to maintain gastric pH >4 for 24 hr was similar for both drugs (IR-ESO 55.5-69.9% vs ESO 56.8-70.2%). Evaluation of time to first reach pH 4 after dosing indicated that IR-ESO showed a faster onset than ESO. All subjects found the drug tolerable, and there were no significant differences in adverse events between two drugs. Conclusion: This study showed that IR-ESO produced a rapid, safe and sustained gastric acid suppression (ClinicalTrials.gov: NCT03211143).
Files in This Item:
T201903460.pdf Download
DOI
10.2147/DDDT.S212491
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Choon Ok(김춘옥) ORCID logo https://orcid.org/0000-0002-2319-1108
Yoo, Byung Won(류병원) ORCID logo https://orcid.org/0000-0001-6895-1484
Park, Min Soo(박민수) ORCID logo https://orcid.org/0000-0002-4395-9938
Hong, Tae Gon(홍태곤) ORCID logo https://orcid.org/0000-0001-7490-0085
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171391
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