Hiroyuki Okamoto

Acid‐inhibitory effects of vonoprazan 20 mg compared with esomeprazole 20 mg or rabeprazole 10 mg in healthy adult male subjects ‐ a randomised open‐label cross‐over study

Yuichi Sakurai, Yujiro Mori, Hiroyuki Okamoto et al. · Alimentary Pharmacology & Therapeutics · 2015 · 379 citations · Full text

Medicine, Pharmacology, Pharmacotherapy +12

Randomised clinical trial: safety, tolerability, pharmacokinetics and pharmacodynamics of repeated doses of <scp>TAK</scp>‐438 (vonoprazan), a novel potassium‐competitive acid blocker, in healthy male subjects

Helen Jenkins, Yuichi Sakurai, Akira Nishimura et al. · Alimentary Pharmacology & Therapeutics · 2015 · 307 citations · Full text

Medicine, Pharmacokinetics, Pharmacology +8

Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Single Rising TAK-438 (Vonoprazan) Doses in Healthy Male Japanese/non-Japanese Subjects

Yuuichi Sakurai, Akira Nishimura, Gale Kennedy et al. · Clinical and Translational Gastroenterology · 2015 · 190 citations · Full text

Medicine, Pharmacokinetics, Pharmacology +11

A randomized, double-blind study to evaluate the acid-inhibitory effect of vonoprazan (20 mg and 40 mg) in patients with proton-pump inhibitor-resistant erosive esophagitis

Katsuhiko Iwakiri, Yuuichi Sakurai, Madoka Shiino et al. · Therapeutic Advances in Gastroenterology · 2017 · 64 citations · Full text

Medicine, Pharmacology, Pharmacotherapy +17

Effects of astaxanthin on antioxidation in human aqueous humor

Hirotaka Hashimoto, Kiyomi Arai, Shimmin Hayashi et al. · Journal of Clinical Biochemistry and Nutrition · 2013 · 42 citations · Full text

Life Sciences, Nutritional Sciences, Ophthalmology +16