Study Design

YS Yuuichi Sakurai
MS Madoka Shiino
SH Sayako Horii
HO Hiroyuki Okamoto
KN Koki Nakamura
AN Akira Nishimura
YS Yukikuni Sakata
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This was a single-site, phase 2, open-label, one-way crossover, clinical pharmacology study (JapicCTI-153100). The pharmacokinetics of vonoprazan were comparatively evaluated in healthy Japanese male subjects when vonoprazan (40 mg) was administered alone or in combination with LDA (100 mg) or NSAIDs [loxoprofen sodium (180 mg), diclofenac sodium (75 mg), or meloxicam (10 mg)]. The pharmacokinetics of aspirin or NSAIDs were evaluated when aspirin or NSAIDs were administered alone and in combination with vonoprazan (Fig. 1).

Study design for Cohorts 1–4, 6, and 7 (a), Cohort 5 (b), and Cohort 8 (c)

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