Semi-mechanistic PK/PD Model of the Effect of Odanacatib, a Cathepsin K Inhibitor, on Bone Turnover to Characterize Lumbar Spine Bone Mineral Density in Two Phase II Studies of Postmenopausal Women

Semi-mechanistic PK/PD Model of the Effect of Odanacatib, a Cathepsin K Inhibitor, on Bone Turnover to Characterize Lumbar Spine Bone Mineral Density in Two Phase II Studies of Postmenopausal Women

Conference: International Symposium on Measurement and Kinetics of in vivo Drug Effects

Odanacatib (MK-0822), a potent, orally-active inhibitor of cathepsin K, is under clinical development for treatment of postmenopausal osteoporosis. This poster describes base model development of a…

Prediction of Omeprazole’s Disposition and Drug-Drug Interactions Using A Physiologically-Based Pharmacokinetic Model

Prediction of Omeprazole’s Disposition and Drug-Drug Interactions Using A Physiologically-Based Pharmacokinetic Model

Conference: ADMET Europe
Software: GastroPlus®
Division: PBPK

Download the poster presented at the ADMET Europe 2010 conference on the development of PBPK models and prediction of parent & metabolite DDIs with omeprazole.

Simulations of the Drug-Drug Interaction Between Atomoxetine and Quinidine in Poor and Extensive CYP2D6 Metabolizers

Simulations of the Drug-Drug Interaction Between Atomoxetine and Quinidine in Poor and Extensive CYP2D6 Metabolizers

Conference: ISSX
Software: GastroPlus®
Division: PBPK

Atomoxetine is indicated for attention-deficit hyperactivity disorder (ADHD) in children, adolescents and adults. It is metabolized to 4- hydroxy-atomoxetine primarily by CYP2D6, which is known to have…

Population Pharmacokinetics of Dexmedetomidine (DEX) During Long-Term Continuous Infusion in Critically Ill Patients

Population Pharmacokinetics of Dexmedetomidine (DEX) During Long-Term Continuous Infusion in Critically Ill Patients

Conference: ASCPT

Dexmedetomidine (DEX), a selective alpha2-adrenoceptor agonist is approved for sedation. In this study, the population pharmacokinetics (PK) of DEX during long-term (> 24 hours) infusion was…

A Systems Approach to Resource Allocation in an Integrated Research and Development Environment

A Systems Approach to Resource Allocation in an Integrated Research and Development Environment

Conference: Pharmaceutical Special Interest Group (PharmaSIG)

Typically, at the beginning of a project, the scope is defined along with the timelines and budget. As project team leaders negotiate with functional managers to recruit key team members, including…

Semi-mechanistic PK/PD Model of the Effect of Odanacatib, a Cathepsin K Inhibitor, on Bone Turnover to Characterize Lumbar Spine Bone Mineral Density in Two Phase II Studies of Postmenopausal Women

Semi-mechanistic PK/PD Model of the Effect of Odanacatib, a Cathepsin K Inhibitor, on Bone Turnover to Characterize Lumbar Spine Bone Mineral Density in Two Phase II Studies of Postmenopausal Women

Odanacatib (MK-0822), a potent, orally-active inhibitor of cathepsin K, is under clinical development for treatment of postmenopausal osteoporosis. This poster describes base model development of a...

Modeling Drug Disposition of Timolol in Ocular Tissues of Rabbit following Topical Eye Drops

Modeling Drug Disposition of Timolol in Ocular Tissues of Rabbit following Topical Eye Drops

Conference: ISOPT
Software: GastroPlus®
Division: PBPK

Recently, we reported the successful application of a novel mathematical model describing drug disposition in eye compartments to simulate disposition of clonidine  after topical (eye drop) administration.

Modeling Fluconazole – a Case with Concentration-Dependent Liver:Plasma Partition Coefficient

Modeling Fluconazole – a Case with Concentration-Dependent Liver:Plasma Partition Coefficient

Conference: AAPS
Division: PBPK

Fluconazole is an antifungal agent widely used in the clinical setting   for the treatment of candidiasis and meningitis. It undergoes minimal metabolism and is excreted renally.

PBPK Modeling of Fluoxetine and its Metabolite Norfluoxetine: Prediction of the Extent of Their Involvement in Drug Interactions

PBPK Modeling of Fluoxetine and its Metabolite Norfluoxetine: Prediction of the Extent of Their Involvement in Drug Interactions

Conference: AAPS
Division: PBPK

The aim of our study was to simulate the human pharmacokinetics of fluoxetine and its major metabolite, norfluoxetine, and predict the magnitude of their drug-drug interactions (DDIs) using physiologically…

A Pharmacokinetic Simulation-Based Comparison Of Varying Adherence Rates For Paliperidone ER And Risperidone In Patients With Schizophrenia

A Pharmacokinetic Simulation-Based Comparison Of Varying Adherence Rates For Paliperidone ER And Risperidone In Patients With Schizophrenia

Conference: U.S. Psychiatric and Mental Health Congress

Medication adherence is important to successful management of • patients with schizophrenia and related psychotic disorders; patient nonadherence is documented in numerous studies (e.g., 30%-35%…

Simulation of Cilostazol Absorption and Pharmacokinetics

Simulation of Cilostazol Absorption and Pharmacokinetics

Conference: ISSX
Division: PBPK

Cilostazol absorption and pharmacokinetics were simulated using GastroPlus™. The program’s Advanced Compartmental and Transit (ACAT) model described the absorption of the drug, while pharmacokinetics was…

Physiologically Based Model for Ketoconazole Disposition and Prediction of its Drug-Drug Interactions

Physiologically Based Model for Ketoconazole Disposition and Prediction of its Drug-Drug Interactions

Conference: ISSX
Division: PBPK

Ketoconazole is a potent inhibitor of the major drug-metabolizing enzyme, CYP3A4 and, as the result of that, is involved in many drug-drug interactions.  Pharmacokinetic (PK) information available for…

Forensic Pharmacometrics: Part 1 – Data Assembly

Forensic Pharmacometrics: Part 1 – Data Assembly

Conference: ACoP

Pharmacometric modeling and simulation (M&S) is moving from merely describing pharmacokinetic (PK) and pharmacodynamic (PD) phenomena to informing critical drug development and regulatory decision-making…

Simulation of Food Effect on Cilostazol Exposure in Human

Simulation of Food Effect on Cilostazol Exposure in Human

Conference: CRS
Division: PBPK

For certain drugs, the time of administration respective to meal times can have a significant impact on exposure. The effect of food is usually attributed to increased solubility/dissolution rate and/or…

Prediction of Dose-Dependent Intestinal and Liver First Pass Extraction for CYP3A4 Substrates

Prediction of Dose-Dependent Intestinal and Liver First Pass Extraction for CYP3A4 Substrates

Conference: PharmSci Fair
Software: GastroPlus®
Division: PBPK

Cilostazol and midazolam absorption and pharmacokinetics were simulated using GastroPlus™. The program’s Advanced Compartmental and Transit model described the absorption and intestinal metabolism of both…

Physiologically-Based Model for Fluvoxamine Disposition and Prediction of Drug-Drug Interactions

Physiologically-Based Model for Fluvoxamine Disposition and Prediction of Drug-Drug Interactions

Conference: DDI
Division: PBPK

Fluvoxamine absorption and pharmacokinetics were simulated using GastroPlus™. The program’s Advanced Compartmental and Transit model described the absorption; pharmacokinetics was simulated with a…