PK/PD Modeling & Simulation

Modeling PK/PD Systems with Distributed Delays

Suzanne Minton

Many biological systems exhibit time delays. For instance, there is a delay between the time that a virus infects a cell and the onset of viral production. Mathematical models that incorporate these temporal delays are often used to characterize the pharmacokinetics/pharmacodynamics (PK/PD) of drugs. In this blog post, I’ll discuss some examples of biological systems […]

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Topics: PK/PD Modeling & Simulation

Expanding the Use of Pharmacometrics in Japan with Yusuke Tanigawara

Suzanne Minton

Science is a global endeavor. Indeed, one of the most exciting things about drug development is working with scientists doing important research all over the globe. The use of modeling and simulation (M&S) to support drug development has been embraced by pharmaceutical researchers in some parts of the world and is still gaining traction in […]

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Topics: PK/PD Modeling & Simulation

Mechanistic Modeling of Genome Scale Molecular Interaction Networks

The scope of Physiologically-based Pharmacokinetic (PBPK) modeling can be expanded by assimilating mechanistic models of intracellular processes from the Systems Biology field. Genome Scale Metabolic Networks (GSMNs) represent whole sets of metabolic enzymes expressed in human tissues. Dynamic models of the gene regulation of key drug metabolism enzymes are also available. Here, we introduce GSMNs and review ongoing work on integrating PBPK, GSMNs and metabolic gene regulation. We demonstrate example models.

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The Model-informed Precision Dosing Revolution Is Coming

Suzanne Minton

Modeling and simulation (M&S) has been widely accepted and adopted by biopharmaceutical companies and global regulatory agencies. However, its implementation in clinical care has been modest to date. Model-based approaches are essential to realize the goal of precision dosing—providing the right drug dose to maximize therapeutic benefit, while reducing risk for each individual patient. The […]

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Topics: PBPK Modeling & Simulation, PK/PD Modeling & Simulation

Leveraging PBPK Modeling and Simulation for Neonatal and Infant Drug Development

Alice Ke

Despite increased regulatory support for pediatric drug development, sponsors still face ethical, economic and practical constraints. Indeed, while children represent about 40% of the world’s population, only 10% of the drugs on the market have been approved for pediatrics. Children are not small adults, and all children are not the same. In particular, children under […]

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Topics: PBPK Modeling & Simulation

Certara’s Best of Blogs 2016

A selection of short essays from our blog, written to empower our customers with modeling and simulation (M&S) and regulatory writing solutions in order to help them solve the toughest drug development problems. Certara staff contributions range in topic from pharmacometrics to systems biology to the growing importance of regulatory writing and sharing clinical trial results.

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The Special Opportunities for Modeling and Simulation in Oncology Drug Development

Rik de Greef and Ellen Leinfuss

In his most recent New York Times Magazine piece, “The Improvisational Oncologist,” Dr. Siddhartha Mukherjee, author of The Emperor of All Maladies: A Biography of Cancer, wrote, “In an era of rapidly proliferating, precisely targeted treatments, every cancer case has to be played by ear.” Oncology treatment: yesterday, today and tomorrow Mukherjee begins his article […]

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Topics: PK/PD Modeling & Simulation
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