Physiologically based pharmacokinetics of cyclosporine A: extension to tissue distribution kinetics in rats and scale-up to human

R Kawai, D Mathew, C Tanaka, M Rowland - Journal of Pharmacology and …, 1998 - ASPET
The tissue distribution kinetics of iv Cyclosporine A (CyA) was investigated extensively in
rats. The concentration-to-time data of 11 organs were analyzed separately using local …

Physiologically based pharmacokinetic study on a cyclosporin derivative, SDZ IMM 125

R Kawai, M Lemaire, JL Steimer, A Bruelisauer… - … of pharmacokinetics and …, 1994 - Springer
The immunosuppressant, SDZ IMM 125 (IMM), is a derivative of cyclosporin A (CyA). The
disposition kinetics of IMM in plasma, blood cells, and various tissues of the rat was …

Development and validation of a method for quantitative determination of valsartan in human plasma by liquid chromatography-tandem mass spectrometry

…, H Hara, M Niina, M Tanaka, R Kawai… - … of pharmaceutical and …, 2007 - Elsevier
A sensitive liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the
determination of valsartan in human plasma was developed and validated. A 0.5ml aliquot …

Dose-dependent pharmacokinetics of cyclosporin A in rats: events in tissues

C Tanaka, R Kawai, M Rowland - Drug metabolism and disposition, 2000 - ASPET
Cyclosporin A (CyA) tissue distribution kinetics was extensively studied after single 1.2-, 6-,
and 30-mg/kg CyA doses (via 2-min iv infusion) to rats. Drug concentrations in blood and …

Physiologically based pharmacokinetic modeling as a tool for drug development

SB Charnick, R Kawai, JR Nedelman… - … of pharmacokinetics and …, 1995 - Springer
Since the pioneering work of Haggard and Teorell in the first half of the 20th century, and of
Bischoff and Dedrick in the late 1960s, physiologically based pharmacokinetic (PBPK) …

Effect of PSC 833, a P-glycoprotein modulator, on the disposition of vincristine and digoxin in rats

SH Song, H Suzuki, R Kawai, Y Sugiyama - Drug Metabolism and …, 1999 - ASPET
PSC 833 has been used to overcome the phenomenon of multidrug resistance by inhibiting
the P-glycoprotein (P-gp)-mediated efflux of antitumor drugs from tumor cells. Because P-gp …

Physiologically based pharmacokinetic (PBPK) modeling of everolimus (RAD001) in rats involving non-linear tissue uptake

R Laplanche, GML Meno-Tetang, R Kawai - Journal of pharmacokinetics …, 2007 - Springer
Everolimus is a novel macrolide immunosuppressant developed for the prophylaxis of
allogeneic renal or cardiac transplant rejection. Treatments with immunosuppressants are often …

Physiologically based pharmacokinetics of cyclosporine a: reevaluation of dose–nonlinear kinetics in rats

C Tanaka, R Kawai, M Rowland - Journal of pharmacokinetics and …, 1999 - Springer
The disposition kinetics of Cyclosporine A (CyA) in rat, based on measurement in arterial
blood, appeared dose-linear over a wide iv dose range (1.2–30mg/kg). Physiologically based …

Simultaneous quantitation of lidocaine and its four metabolites by high-performance liquid chromatography: application to studies on in vitro and in vivo metabolism of …

R Kawai, S Fujita, T Suzuki - Journal of pharmaceutical sciences, 1985 - Elsevier
A convenient and sensitive high-performance liquid chromatographic assay for the simultaneous
quantitation of lidocaine and its four metabolites has been developed. The samples …

Modeling the kinetics of release of octreotide from long‐acting formulations injected intramuscularly in rabbits

E Comets, F Mentré, R Kawai… - Journal of …, 2000 - Wiley Online Library
Long‐acting repeatable formulations (LAR) based on polymeric microspheres were manufactured
to deliver octreotide, an octapeptide analogue used in acromegaly. We developed a …