Yoshihito Niki

Comparative study on the efficacy of AmBisome and Fungizone in a mouse model of pulmonary aspergillosis (2006)

Takemoto, Koji, Yamamoto, Yutaka, Ueda, Yutaka, Sumita, Yoshihiro, Yoshida, Koichiro, Niki, Yoshihito

Objectives: The aim of this study was to evaluate the efficacy and tissue concentration of AmBisome and Fungizone in murine pulmonary aspergillosis, and to investigate the localization of AmBisome at...

Comparative studies on the efficacy of AmBisome and Fungizone in a mouse model of disseminated aspergillosis (2004)

Takemoto, Koji, Yamamoto, Yutaka, Ueda, Yutaka, Sumita, Yoshihiro, Yoshida, Koichiro, Niki, Yoshihito

Objectives: The efficacy of intravenous injections of a liposomal formulation of amphotericin B (AmBisome) and amphotericin B deoxycholate (Fungizone) was evaluated in immunocompetent and temporarily...

Comparative studies on the efficacy of AmBisome and Fungizone in a mouse model of disseminated aspergillosis (2004)

Takemoto, Koji, Yamamoto, Yutaka, Ueda, Yutaka, Sumita, Yoshihiro, Yoshida, Koichiro, Niki, Yoshihito

Objectives: The efficacy of intravenous injections of a liposomal formulation of amphotericin B (AmBisome) and amphotericin B deoxycholate (Fungizone) was evaluated in immunocompetent and temporarily...

In vitro activity of cethromycin, a novel antibacterial ketolide, against Chlamydia pneumoniae (2003)

Miyashita, Naoyuki, Fukano, Hiroshi, Yoshida, Koichiro, Niki, Yoshihito, Matsushima, Toshiharu

Objectives: To investigate the in vitro activity of cethromycin, a new ketolide, against Chlamydia pneumoniae. Methods: The in vitro activity of cethromycin against 20 isolates of C. pneumoniae was...

In vitro activity of cethromycin, a novel antibacterial ketolide, against Chlamydia pneumoniae (2003)

Miyashita, Naoyuki, Fukano, Hiroshi, Yoshida, Koichiro, Niki, Yoshihito, Matsushima, Toshiharu

Objectives: To investigate the in vitro activity of cethromycin, a new ketolide, against Chlamydia pneumoniae. Methods: The in vitro activity of cethromycin against 20 isolates of C. pneumoniae was...

In vitro activity of cethromycin, a novel antibacterial ketolide, against Chlamydia pneumoniae (2003)

Miyashita, Naoyuki, Fukano, Hiroshi, Yoshida, Koichiro, Niki, Yoshihito, Matsushima, Toshiharu

Objectives: To investigate the in vitro activity of cethromycin, a new ketolide, against Chlamydia pneumoniae. Methods: The in vitro activity of cethromycin against 20 isolates of C. pneumoniae was...

In vitro activity of telithromycin, a new ketolide, against Chlamydia pneumoniae (2001)

Miyashita, Naoyuki, Fukano, Hiroshi, Niki, Yoshihito, Matsushima, Toshiharu

The in vitro activity of telithromycin, a new ketolide, was compared with those of roxithromycin, azithromycin, clarithromycin and erythromycin A against 20 strains of Chlamydia pneumoniae. The MICs...

Influences of Urinary pH on Ciprofloxacin Pharmacokinetics in Humans and Antimicrobial Activity In Vitro versus Those of Sparfloxacin

Kamberi, Marika, Tsutsumi, Kimiko, Kotegawa, Tsutomu, Kawano, Koichi, Nakamura, Koichi, Niki, Yoshihito, ...

The impact of acidification and alkalinization of urine on the pharmacokinetics of ciprofloxacin was investigated after single 200-mg oral doses were administered to nine healthy male volunteers. In...

Effect of HSR-903, a New Fluoroquinolone, on the Concentration of Theophylline in Serum

Niki, Yoshihito, Watanabe, Shinsuke, Tamada, Sadao, Yoshida, Koichiro, Miyashita, Naoyuki, Nakajima, Masamitu, ...

The effect of HSR-903, a new fluoroquinolone, on the concentration of theophylline in serum in healthy male volunteers was investigated. The concentration of theophylline in serum and the urinary...

In Vitro and In Vivo Activities of Sitafloxacin against Chlamydia spp.

Miyashita, Naoyuki, Niki, Yoshihito, Matsushima, Toshiharu

The in vitro and in vivo antichlamydial activity of sitafloxacin was investigated. The MICs and minimal chlamydiacidal concentrations of sitafloxacin for various species of chlamydia ranged from...

Effects of DU-6859a, a New Quinolone Antimicrobial, on Theophylline Metabolism in In Vitro and In Vivo Studies

Niki, Yoshihito, Itokawa, Kenichi, Okazaki, Osamu

In vitro and in vivo studies were conducted to investigate the drug interaction between a new quinolone antimicrobial, DU-6859a, and theophylline (TP). The effect of DU-6859a on TP metabolism was...

Clonal Diversity of Metallo-β-Lactamase-Possessing Pseudomonas aeruginosa in Geographically Diverse Regions of Japan

Kimura, Soichiro, Alba, Jimena, Shiroto, Katsuaki, Sano, Reiko, Niki, Yoshihito, Maesaki, Shigefumi, ...

The aim of this study was to determine the distribution of metallo-β-lactamase-producing Pseudomonas aeruginosa in Japan and to investigate the molecular characteristics of resistance gene cassettes...

Influences of Urinary pH on Ciprofloxacin Pharmacokinetics in Humans and Antimicrobial Activity In Vitro versus Those of Sparfloxacin

Kamberi, Marika, Tsutsumi, Kimiko, Kotegawa, Tsutomu, Kawano, Koichi, Nakamura, Koichi, Niki, Yoshihito, ...

The impact of acidification and alkalinization of urine on the pharmacokinetics of ciprofloxacin was investigated after single 200-mg oral doses were administered to nine healthy male volunteers. In...

Effect of HSR-903, a New Fluoroquinolone, on the Concentration of Theophylline in Serum

Niki, Yoshihito, Watanabe, Shinsuke, Tamada, Sadao, Yoshida, Koichiro, Miyashita, Naoyuki, Nakajima, Masamitu, ...

The effect of HSR-903, a new fluoroquinolone, on the concentration of theophylline in serum in healthy male volunteers was investigated. The concentration of theophylline in serum and the urinary...

In Vitro and In Vivo Activities of Sitafloxacin against Chlamydia spp.

Miyashita, Naoyuki, Niki, Yoshihito, Matsushima, Toshiharu

The in vitro and in vivo antichlamydial activity of sitafloxacin was investigated. The MICs and minimal chlamydiacidal concentrations of sitafloxacin for various species of chlamydia ranged from...

Effects of DU-6859a, a New Quinolone Antimicrobial, on Theophylline Metabolism in In Vitro and In Vivo Studies

Niki, Yoshihito, Itokawa, Kenichi, Okazaki, Osamu

In vitro and in vivo studies were conducted to investigate the drug interaction between a new quinolone antimicrobial, DU-6859a, and theophylline (TP). The effect of DU-6859a on TP metabolism was...

Clonal Diversity of Metallo-β-Lactamase-Possessing Pseudomonas aeruginosa in Geographically Diverse Regions of Japan

Kimura, Soichiro, Alba, Jimena, Shiroto, Katsuaki, Sano, Reiko, Niki, Yoshihito, Maesaki, Shigefumi, ...

The aim of this study was to determine the distribution of metallo-β-lactamase-producing Pseudomonas aeruginosa in Japan and to investigate the molecular characteristics of resistance gene cassettes...