# Hirotoshi Echizen

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/hirotoshi-echizen/

## Facts

| Field | Value |
| --- | --- |
| Citations | 3,968 |
| Field | Pharmacogenetics and Drug Metabolism |
| h-index | 31 |
| i10-index | 58 |
| Last Known Institution | Meiji Pharmaceutical University |
| OpenAlex ID | https://openalex.org/A5112582046 |
| Works | 151 |

## Researcher papers

- [Different contributions of polymorphisms in VKORC1 and CYP2C9 to intra- and inter-population differences in maintenance dose of warfarin in Japanese, Caucasians and African-Americans](https://scholariq.org/papers/different-contributions-of-polymorphisms-in-vkorc1-and-cyp2c9-to-intra-and-inter/)
- [Pharmacogenetics of Warfarin Elimination and its Clinical Implications](https://scholariq.org/papers/pharmacogenetics-of-warfarin-elimination-and-its-clinical-implications/)
- [The First-in-Class Potassium-Competitive Acid Blocker, Vonoprazan Fumarate: Pharmacokinetic and Pharmacodynamic Considerations](https://scholariq.org/papers/the-first-in-class-potassium-competitive-acid-blocker-vonoprazan-fumarate/)
- [Population differences in S‐warfarin metabolism between <i>CYP2C9</i> genotype‐matched Caucasian and Japanese patients](https://scholariq.org/papers/population-differences-in-s-warfarin-metabolism-between-i-cyp2c9-i-genotype/)
- [Clinical Pharmacokinetics of Verapamil, Nifedipine and Diltiazem](https://scholariq.org/papers/clinical-pharmacokinetics-of-verapamil-nifedipine-and-diltiazem/)
- [Metabolism of warfarin enantiomers in Japanese patients with heart disease having different CYP2C9 and CYP2C19 genotypes*](https://scholariq.org/papers/metabolism-of-warfarin-enantiomers-in-japanese-patients-with-heart-disease/)
- [Drug-Drug Interaction Profiles of Proton Pump Inhibitors](https://scholariq.org/papers/drug-drug-interaction-profiles-of-proton-pump-inhibitors/)
- [Comparisons between in-vitro and in-vivo metabolism of (S)-warfarin: catalytic activities of cDNA-expressed CYP2C9, its Leu359 variant and their mixture versus unbound clearance in patients with the corresponding CYP2C9 genotypes](https://scholariq.org/papers/comparisons-between-in-vitro-and-in-vivo-metabolism-of-s-warfarin-catalytic/)
- [The effect of dextro-, levo-, and racemic verapamil on atrioventricular conduction in humans](https://scholariq.org/papers/the-effect-of-dextro-levo-and-racemic-verapamil-on-atrioventricular-conduction/)
- [Patients with Constipation-Predominant Irritable Bowel Syndrome (IBS) May Have Elevated Serotonin Concentrations in Colonic Mucosa as Compared with Diarrhea-Predominant Patients and Subjects with Normal Bowel Habits](https://scholariq.org/papers/patients-with-constipation-predominant-irritable-bowel-syndrome-ibs-may-have/)
- [Eculizumab Dosing Intervals Longer than 17 Days May Be Associated with Greater Risk of Breakthrough Hemolysis in Patients with Paroxysmal Nocturnal Hemoglobinuria](https://scholariq.org/papers/eculizumab-dosing-intervals-longer-than-17-days-may-be-associated-with-greater/)

## Researcher topics

- [Pharmacogenetics and Drug Metabolism](https://scholariq.org/topics/pharmacogenetics-and-drug-metabolism/)
- [Cardiac electrophysiology and arrhythmias](https://scholariq.org/topics/cardiac-electrophysiology-and-arrhythmias/)
- [Eicosanoids and Hypertension Pharmacology](https://scholariq.org/topics/eicosanoids-and-hypertension-pharmacology/)
- [Antibiotics Pharmacokinetics and Efficacy](https://scholariq.org/topics/antibiotics-pharmacokinetics-and-efficacy/)
- [Antiplatelet Therapy and Cardiovascular Diseases](https://scholariq.org/topics/antiplatelet-therapy-and-cardiovascular-diseases/)

## Researcher university

- [Meiji Pharmaceutical University](https://scholariq.org/institutions/meiji-pharmaceutical-university/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.