Publications by authors named "Gary Leung"

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Administration study of somapacitan, a long-acting growth hormone derivative, in horse for doping control purpose.
Yoshibumi Shimizu, Michiko Sugai-Bannai, Haruka Tanabe, Kazunobu Saito, Hiroki Ito, Gary Ngai-Wa Leung

Growth Horm IGF Res· October 2025

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A Meta-Analysis of International Flunixin Pharmacokinetics in Horses: Toward Regulatory Harmonization and Individualized Detection Times Using Bayesian Paradigm.
Taisuke Kuroda, Heather K Knych, Glenys K Noble, Yohei Minamijima, Gary Ngai-Wa Leung

Drug Test Anal· October 2025

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Identification and differentiation of somapacitan, a long-acting growth hormone derivative, and recombinant human growth hormone in equine plasma by LC-HRMS for doping control purpose.
Yoshibumi Shimizu, Michiko Sugai-Bannai, Kazunobu Saito, Misato Hirano-Kodaira, Gary Ngai-Wa Leung

Growth Horm IGF Res· March 2025

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Metabolic Pathway of Osilodrostat in Equine Urine Established through High-resolution Mass Spectrometric Characterization for Doping Control.
Hideaki Ishii, Ryo Shigematsu, Shunsuke Takemoto, Yuhiro Ishikawa, Fumiaki Mizobe, Gary Ngai-Wa Leung

Curr Drug Metab· December 2024

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Quantification of osilodrostat in horse urine using LC/ESI-HRMS to establish an elimination profile for doping control.
Hideaki Ishii, Ryo Shigematsu, Shunsuke Takemoto, Yuhiro Ishikawa, Fumiaki Mizobe, Gary Ngai-Wa Leung

Bioanalysis· October 2024

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Broad-spectrum and sensitive screening of more than 1000 compounds in equine urine using liquid chromatography/high-resolution mass spectrometry.
Taiga Uchida, Takaya Kisugi, Hideaki Ishii, Masayuki Yamada, Kenji Kinoshita, Gary Ngai-Wa Leung

Rapid Commun Mass Spectrom· September 2024

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Pharmacokinetic study of osilodrostat and identification of mono-hydroxylated metabolite in equine plasma for the purpose of doping control.
Hideaki Ishii, Yuhiro Ishikawa, Fumiaki Mizobe, Motoi Nomura, Takashi Yamanaka, Gary Ngai-Wa Leung

Rapid Commun Mass Spectrom· March 2024

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Neuroprotection by acrolein sequestration through exogenously applied scavengers and endogenous enzymatic enabling strategies in mouse EAE model.
Jonathan Tang, Anna Alford, Gary Leung, Melissa Tully, Riyi Shi

Sci Rep· March 2024

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Inpatient Admissions and Re-Admissions in Medicare Beneficiaries Initiating Umeclidinium/Vilanterol or Tiotropium Therapy.
Michael Bogart, Gary Yat-Hung Leung, Anissa Cyhaniuk, Kristi DiRocco

Int J Chron Obstruct Pulmon Dis· February 2024

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Evaluation of plasma and urine pharmacokinetics of tranexamic acid for equine medication control.
Yohei Minamijima, Taisuke Kuroda, Takahiro Kamiya, Yu Sone, Ai Wakuno, Gary Ngai-Wa Leung

J Vet Pharmacol Ther· January 2024

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First evidence of the incorporation of daprodustat and other hypoxia-inducible factor stabilizers into equine hair by passive transfer based on segmental quantitative analysis.
Hideaki Ishii, Mariko Shibuya, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Gary Ngai-Wa Leung

J Pharm Biomed Anal· October 2023

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Segmental analysis and long-term monitoring of vadadustat in equine hair for the purpose of doping control.
Hideaki Ishii, Mariko Shibuya, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Gary Ngai-Wa Leung

J Anal Toxicol· September 2023

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Pharmacokinetic Study of Vadadustat and High-Resolution Mass Spectrometric Characterization of its Novel Metabolites in Equines for the Purpose of Doping Control.
Hideaki Ishii, Mariko Shibuya, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Gary Ngai-Wa Leung

Curr Drug Metab· January 2023

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Additional studies on nicotine exposure in horses: Accurate quantification and elimination profiles of potential biomarkers in plasma and urine.
Hideaki Ishii, Mariko Shibuya, Gary Ngai-Wa Leung, Shozo Yamashita, Shun-Ichi Nagata

Rapid Commun Mass Spectrom· December 2022

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Generic approach for the discovery of drug metabolites in horses based on data-dependent acquisition by liquid chromatography high-resolution mass spectrometry and its applications to pharmacokinetic study of daprodustat.
Hideaki Ishii, Mariko Shibuya, Kanichi Kusano, Yu Sone, Takahiro Kamiya, Gary Ngai-Wa Leung

Anal Bioanal Chem· November 2022

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Update on Dental Luting Materials.
Gary Kwun-Hong Leung, Amy Wai-Yee Wong, Chun-Hung Chu, Ollie Yiru Yu

Dent J (Basel)· November 2022

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Long-term monitoring of IOX4 in horse hair and its longitudinal distribution with segmental analysis using liquid chromatography/electrospray ionization Q Exactive high-resolution mass spectrometry for the purpose of doping control.
Hideaki Ishii, Mariko Shibuya, Yat-Ming So, Jenny K Y Wong, Emmie N M Ho, Gary Ngai-Wa Leung

Drug Test Anal· July 2022

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Establishment of a post-race biomarkers database and application of pathway analysis to identify potential biomarkers in post-race equine plasma.
Kohei Ohnuma, Taiga Uchida, Gary Ngai-Wa Leung, Toshiki Ueda, Taku Obara

Drug Test Anal· May 2022

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Identification of potential biomarkers in urine and plasma after consumption of tobacco product in horses.
Hideaki Ishii, Gary Ngai-Wa Leung, Shozo Yamashita, Shun-Ichi Nagata, Asuka Kushiro

Drug Test Anal· May 2022

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Comprehensive metabolic study of IOX4 in equine urine and plasma using liquid chromatography/electrospray ionization Q Exactive high-resolution mass spectrometer for the purpose of doping control.
Hideaki Ishii, Mariko Shibuya, Yat-Ming So, Jenny K Y Wong, Emmie N M Ho, Gary Ngai-Wa Leung

Drug Test Anal· February 2022

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Comprehensive metabolic study of nicotine in equine plasma and urine using liquid chromatography/high-resolution mass spectrometry for the identification of unique biomarkers for doping control.
Hideaki Ishii, Gary Ngai-Wa Leung, Shozo Yamashita, Shun-Ichi Nagata, Asuka Kushiro

J Chromatogr B Analyt Technol Biomed Life Sci· February 2022

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Detection and longitudinal distribution of GW1516 and its metabolites in equine hair for doping control using liquid chromatography/high-resolution mass spectrometry.
Hideaki Ishii, Mariko Shibuya, Gary Ngai-Wa Leung, Satoshi Nozawa, Shozo Yamashita

Rapid Commun Mass Spectrom· April 2021

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Metabolic study of GW1516 in equine urine using liquid chromatography/electrospray ionization Q-Exactive high-resolution mass spectrometry for doping control.
Hideaki Ishii, Mariko Shibuya, Gary Ngai-Wa Leung, Shozo Yamashita, Masayuki Yamada

Rapid Commun Mass Spectrom· March 2021

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Doping control analysis of GW1516 in equine plasma using liquid chromatography/electrospray ionization Q-Exactive high-resolution mass spectrometry.
Hideaki Ishii, Gary Ngai-Wa Leung, Shozo Yamashita, Masayuki Yamada, Asuka Kushiro

Rapid Commun Mass Spectrom· December 2020

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Detection of bioactive peptides including gonadotrophin-releasing factors (GnRHs) in horse urine using ultra-high performance liquid chromatography-high resolution mass spectrometry (UHPLC/HRMS).
Karen Y Kwok, Timmy L S Choi, Wai Him Kwok, Ming Yip Lau, Elvis M K Leung, Gary N W Leung

Drug Test Anal· September 2020

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