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논문 기본 정보

자료유형
학술저널
저자정보
Han Sungpil (Department of Pharmacology College of Medicine The Catholic University of Korea Seoul Korea) Choi Hee Youn (Department of Clinical Pharmacology and Therapeutics Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Kim Yo Han (Department of Clinical Pharmacology and Therapeutics Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Choi SeungChan (Department of Clinical Pharmacology and Therapeutics Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Kim Seokuee (Clinical Development HK inno.N Corp. Seoul Korea) Nam Ji Yeon (Clinical Development HK inno.N Corp. Seoul Korea) Kim Bongtae (Clinical Development HK inno.N Corp. Seoul Korea) Song Geun Seog (Clinical Development HK inno.N Corp. Seoul Korea) Lim Hyeong-Seok (Department of Clinical Pharmacology and Therapeutics Asan Medical Center University of Ulsan College of Medicine Seoul Korea) Bae Kyun-Seop (Department of Clinical Pharmacology and Therapeutics Asan Medical Center University of Ulsan College of Medicine Seoul Korea)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제17권 제1호
발행연도
2023.1
수록면
92 - 99 (8page)
DOI
10.5009/gnl220050

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Background/Aims: Tegoprazan, a novel potassium-competitive acid blocker, is expected to overcome the limitations of proton pump inhibitors and effectively control nocturnal acid breakthrough. To evaluate the pharmacodynamics of tegoprazan versus dexlansoprazole regarding nocturnal acid breakthrough in healthy subjects. Methods: In a randomized, open-label, single-dose, balanced incomplete block crossover study, 24 healthy male volunteers were enrolled and randomized to receive oral tegoprazan (50, 100, or 200 mg) or dexlansoprazole (60 mg) during each of two administration periods, separated by a 7- to 10-day washout period. Blood samples were collected for pharmacokinetic parameter analysis; gastric monitoring was performed for pharmacodynamic parameter evaluation. Results: All 24 subjects completed the study. Average maximum plasma concentration, area under the plasma concentration–time curve, and mean time with gastric pH >4 and pH >6 for tegoprazan demonstrated dose-dependent incremental increases. All the tegoprazan groups reached mean pH ≥4 within 2 hours, whereas the dexlansoprazole group required 7 hours after drug administration. Based on pharmacodynamic parameters up to 12 hours after evening dosing, 50, 100, and 200 mg of tegoprazan presented a stronger acid-suppressive effect than 60 mg of dexlansoprazole. Moreover, the dexlansoprazole group presented a comparable acid-suppressive effect with the tegoprazan groups 12 hours after dosing. Conclusions: All the tegoprazan groups demonstrated a significantly faster onset of gastric pH increase and longer holding times above pH >4 and pH >6 up to 12 hours after evening dosing than the dexlansoprazole group.

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