Pharmacokinetics of the potassium-competitive acid blocker tegoprazan administered by the oral route in healthy Mexicans
Abstract
BACKGROUND
Tegoprazan is a potassium channel inhibitor with an anti-acid secretion effect. It is metabolized by CYP3A4, a cytochrome enzyme the occurrence of which in the Mexican population, differs from that in some other populations. Since the efficacy and safety studies on tegoprazan have been conducted in Koreans, it is of considerable clinical importance to establish whether differences exist in CYP3A4 metabolism between the two populations.
AIMS
To evaluate the oral pharmacokinetics of tegoprazan and to compare the pharmacokinetic data with those reported in the literature for Koreans.
MATERIALS AND METHODS
The investigation was carried out in a cohort of 20 healthy Mexican volunteers (11 women and 9 men), who were administered a dose of 50 mg after fasting for at least 10 hours. Blood samples were taken at selected time points over 24 hours, and tegoprazan plasma concentrations measured using high-performance liquid chromatography. Pharmacokinetic parameters were compared to those in Koreans reported in the literature.
RESULTS
Tegoprazan is rapidly absorbed from the gastrointestinal tract reaching Cmax at ~ 1 hour post dose (tmax) and is removed from the circulation with an average half-life of ~ 4 hours. The pharmacokinetic parameters obtained were similar to those obtained in Koreans including elimination half-life, maximum tegoprazan concentrations, and oral bioavailability.
DISCUSSION AND CONCLUSION
Since no clinically relevant pharmacokinetic differences were…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 20 participants or records.
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