The Certara Blog: Systems Pharmacology

Taming Complex Quantitative Systems Pharmacology Models with Model Reduction

Quantitative systems pharmacology (QSP) combines computational modeling and experimental data to examine the relationships between a drug, the biological system, and the disease process. This emerging discipline integrates quantitative drug data with knowledge of its mechanism of action. QSP models predict how drugs modify cellular networks in space and time and how they impact and […]

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Quantitative Systems Toxicology—Taking the Cue from Aristotle

“The whole is greater than the sum of its parts” -Aristotle This quote from the great 4th century BCE Greek philosopher and scientist has become the mantra for many endeavors, sectors, organizations, and disciplines. From biology, chemistry, and physics to agriculture, engineering, and business, it is the foundation for synergy. What is the connection between […]

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Using Model Reduction to Bridge the QSP-Pharmacometrics Divide

Quantitative systems pharmacology (QSP) models are generally too large to be validated or fit in a traditional sense and they can become intractable to standard methods of analysis or even to the modeler’s own intuition. Model reduction can alleviate these issues of complexity by eliminating portions of a system that have minimal effect upon the […]

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Mechanistic Modeling of Genome Scale Molecular Interaction Networks

Upon the completion of the Human Genome Project, the lead investigator, Dr. Francis Collins remarked: Science is a voyage of exploration into the unknown. We are here today to celebrate a milestone along a truly unprecedented voyage, this one into ourselves. Alexander Pope wrote, “Know then thyself. Presume not God to scan. The proper study […]

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Increases in pharma R&D productivity

How Model-informed Drug Development Will Increase R&D Productivity

Will 2017 finally be the year that we overcome the blight of late-stage attrition of promising drug candidates? In a recent commentary, “Improving the Tools of Clinical Pharmacology: Goals for 2017 and Beyond,” in Clinical Pharmacology & Therapeutics, Issam Zineh and colleagues describe several areas where clinical pharmacology approaches can help reduce late-stage attrition and […]

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Can QSP Save Lives? Lessons from a Trial Debacle

The notion that volunteers could be harmed in a clinical trial is every drug developer’s worst nightmare. Earlier this year, the drug company, Bial, investigated inhibitors of the enzyme fatty acid amide hydrolase (FAAH) in clinical trials as a treatment for pain. Tragically, one person in the volunteer group died, and six patients were hospitalized. […]

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Status of QSP Modeling in the Pharmaceutical Industry

A primary cause of failures in pharmaceutical research and development (R&D) has been attributed to lack of efficacy,1 suggesting inadequate understanding in therapeutic targets’ biology and their relevance to disease progression or modulation. Quantitative systems pharmacology (QSP) has the promise of increasing the probability of success in R&D by bridging scientific gaps between disciplines to enable […]

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Is the Maturation of Quantitative Systems Pharmacology a Moonshot?

At Certara, we are not afraid to think big. In fact, solving the hardest problems in pharmaceutical R&D is our passion. You might say that some of our ambitions could be described as “moonshots.” After all, they meet the criteria put forth by the Google X moonshot program. We seek to address the huge problem […]

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Insights on Quantitative Systems Pharmacology with Piet van der Graaf

Quantitative systems pharmacology (QSP) is an emerging biosimulation technology that is going to increase pharmaceutical R&D productivity. This week at the Roundtable, we’re talking with Dr. Piet van der Graaf, PharmD, PhD about QSP and his vision for how it supports meeting the goal of precision medicine. Dr. van der Graaf is a professor of […]

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