Fifth-generation model for corticosteroid pharmacodynamics: application to steady-state receptor down-regulation and enzyme induction patterns during seven-day …

…, DC DuBois, RR Almon, NA Pyszczynski… - … of pharmacokinetics and …, 2002 - Springer
A fifth-generation model for receptor/gene-mediated corticosteroid effects was proposed
based on results from a 50 mg/kg IV bolus dose of methylprednisolone (MPL) in male …

Physiologically based pharmacokinetic modeling of FTY720 (2-amino-2 [2-(-4-octylphenyl) ethyl] propane-1, 3-diol hydrochloride) in rats after oral and intravenous …

GML Meno-Tetang, H Li, S Mis, N Pyszczynski… - Drug Metabolism and …, 2006 - ASPET
FTY720 (2-amino-2[2-(-4-octylphenyl)ethyl]propane-1,3-diol hydrochloride) is a new
sphingosine-1-phosphate receptor agonist being developed for multiple sclerosis and prevention of …

Modeling corticosteroid effects in a rat model of rheumatoid arthritis I: mechanistic disease progression model for the time course of collagen-induced arthritis in Lewis …

…, DC DuBois, DS Molano, NA Pyszczynski… - … of Pharmacology and …, 2008 - ASPET
A mechanism-based model was developed to describe the time course of arthritis progression
in the rat. Arthritis was induced in male Lewis rats with type II porcine collagen into the …

Modeling corticosteroid effects in a rat model of rheumatoid arthritis II: mechanistic pharmacodynamic model for dexamethasone effects in Lewis rats with collagen …

…, DC DuBois, DS Molano, NA Pyszczynski… - … of Pharmacology and …, 2008 - ASPET
A mechanism-based model for pharmacodynamic effects of dexamethasone (DEX) was
incorporated into our model for arthritis disease progression in the rat to aid in identification of …

Pharmacokinetics of dexamethasone in a rat model of rheumatoid arthritis

JC Earp, NA Pyszczynski, DS Molano… - … & drug disposition, 2008 - Wiley Online Library
Dexamethasone (DEX) is often given for the treatment of rheumatoid arthritis and clinical
dosing regimens of DEX have often been based empirically. This study tests whether the …

Modeling of corticosteroid effects on hepatic low-density lipoprotein receptors and plasma lipid dynamics in rats

A Hazra, NA Pyszczynski, DC DuBois, RR Almon… - Pharmaceutical …, 2008 - Springer
Purpose This study examines methylprednisolone (MPL) effects on the dynamics of hepatic
low-density lipoprotein receptor (LDLR) mRNA and plasma lipids associated with increased …

Modeling receptor/gene-mediated effects of corticosteroids on hepatic tyrosine aminotransferase dynamics in rats: dual regulation by endogenous and exogenous …

A Hazra, N Pyszczynski, DC DuBois, RR Almon… - … of pharmacokinetics and …, 2007 - Springer
Receptor/gene-mediated effects of corticosteroids on hepatic tyrosine aminotransferase (TAT)
were evaluated in normal rats. A group of normal male Wistar rats were injected with 50 …

Fifteen years of operation of a high-performance liquid chromatographic assay for prednisolone, cortisol and prednisone in plasma

WJ Jusko, NA Pyszczynski, MS Bushway… - … of Chromatography B …, 1994 - Elsevier
A high-performance liquid chromatographic (HPLC) assay first described in 1979 has been
modified and revalidated for the simultaneous determination of prednisone, cortisol and …

Pharmacodynamics and pharmacogenomics of methylprednisolone during 7-day infusions in rats

…, DC DuBois, RR Almon, NA Pyszczynski… - … of Pharmacology and …, 2002 - ASPET
An array of adverse steroid effects was examined on a whole body, tissue, and molecular
level. Groups of male adrenalectomized Wistar rats were subcutaneously implanted with Alzet …

Modeling glucocorticoid-mediated fetal lung maturation: I. Temporal patterns of corticosteroids in rat pregnancy

MN Samtani, NA Pyszczynski, DC DuBois… - … of Pharmacology and …, 2006 - ASPET
Preterm birth produces neonatal respiratory distress syndrome, and dexamethasone (DEX)
is administered maternally to induce fetal lung maturation in women at risk of preterm delivery…