The Certara Blog

Using Virtual Twin™ Technology for Model-informed Precision Dosing

In a recent Expert Review of Clinical Pharmacology article, I assessed the status and future direction of precision dosing in clinical medicine.1 Model-informed precision dosing (MIPD) is a modeling and simulation (M&S) approach in healthcare that is used to predict the most effective and/or least toxic drug dose for a patient. MIPD could revolutionize healthcare […]

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Clinical Pharmacology Gap Analysis: Your FAQs

As drug development has become more complex, with a higher risk of failure, greater uncertainty, and increased expense, the need for a quantitative and regulatory science-based strategy becomes clear. The first step in that performing that strategic assessment is a gap analysis and roadmap. Over the last couple of months, I’ve written a series of blog […]

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Making Sense of 6MWT Variability: Developing a Disease Progression Model for DMD

Duchenne Muscular Dystrophy (DMD) is a life-threatening, sex-linked, pediatric rare disease, primarily affecting boys. It is characterized by progressive muscle degeneration, weakness, and eventually functional loss. DMD is caused by a mutation in the dystrophin gene, a protein needed to maintain muscle integrity, and for improving signaling and growth in differentiation of the muscle tissue. […]

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Level C IVIVC: What Is It, and When Do You Use It?

In vitro in vivo correlation (IVIVC) links in vitro drug data to in vivo performance. Regarding in vivo performance, IVIVC can predict either the in vivo plasma time-concentration curve or in vivo pharmacokinetic (PK) parameters like Cmax and AUC. In this blog, I will discuss Level C IVIVC, and when you should use this approach. […]

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Clinical Pharmacology Gap Analysis: Lessons Learned

Clinical pharmacology gap analysis is a tool for outlining your drug program’s needs, prioritizing these needs, and providing a framework for how to satisfy them. This tool can create value for drug development programs. While gap analysis can be performed at any point in the drug development continuum, early engagement is best for maximizing its benefits. […]

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Beam Me Up, Scotty! Probing the Mechanisms of Transporter-mediated Drug Disposition

Over the last 15 years, the importance of drug transporters has become paramount for understanding drug absorption, distribution into tissues, and in particular, drug-drug interactions (DDIs). In vitro-in vivo extrapolation (IVIVE) is an approach to link in vitro systems to the human in vivo situation using algorithms and physiologically-based scaling factors. In this blog, I […]

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Validate Your Expertise in PK/PD NCA Analysis Through Certara Professional Certification

In the ongoing commitment to education and coinciding with the launch of Phoenix 8.1, Certara has introduced a new certification program available through Certara University. The new online accreditation program validates the scientists’ PK/PD data analysis skills using Certara software such as Phoenix WinNonlin and expands their professional reach. I caught up with Ana Henry, […]

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Overcoming Pitfalls and Challenges with Software Validation

As a quality consultant and quality system subject matter expert in the Life Sciences Industry for over 25 years, I have worked for many pharmaceutical companies both large and small and as a consultant with many clients in the pharmaceutical, biotech, and medical device industries. These clients possess a range of experience in software validation—from […]

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Accomplish More with Phoenix

Phoenix 8.1, the newest version of Certara’s innovative PK/PD modeling and simulation software used globally by researchers and drug developers in pharma, academia, and regulatory agencies, will be available on June 15, 2018. Major enhancements were introduced in the Phoenix workbench last year. And as an ongoing commitment to support compliance and efficiency, many features […]

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Spotlight on the PAGE Student Sponsorship Winners

When I attend scientific conferences, I feel as though I have reached my own personal “Nerdvana.” I love everything about them! I love going to the sessions and learning the latest cutting edge insights from the leaders in our field. I love walking the aisles of posters and getting to talk one-on-one with scientists about […]

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Achieving Compliance with the FDA’s eCTD Mandate

The US Food and Drug Administration (FDA) has set May 5, 2018 as the compliance date for submitting many types of files—Drug Master File (DMFs) and commercial investigational new drugs (INDs)—in the electronic Common Technical Document (eCTD) format. A DMF provides confidential, detailed information about facilities, processes, or articles used in the manufacturing, processing, packaging, […]

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Pharmacometrics Skills Competition MIDD Gran Prix

Sitting around the Certara’s Raleigh office conference room, sketching out a pitch for a pharmacometrics contest at a national meeting, none of us were overly confident in its viability. Mark Lovern had been talking about the importance of communication skills for pharmacometricians. For them to influence critical drug development decisions, they should be able to […]

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Using M&S to Evaluate Oncology Drug Dosing

There are numerous challenges in developing oncology drugs: (1) they are often very toxic which precludes conducting clinical trials in healthy volunteers, (2) the PK of a drug may be altered in cancer patients due to demographic and physiological differences as compared to healthy volunteers, and (3) cancer patients face elevated drug-drug interaction (DDI) risk […]

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Using a Pharmacology to Payer Framework to Support Product Development

Modeling and simulation (M&S) of complex systems has primarily advanced vertically in differing scientific domains with a variety of domain-specific approaches and applications. The pharmacology to payer (P2P) concept is a way to connect independent domains to address drug development market failures. As an initial proof of concept, we collaborated with a team of clinical pharmacologists, […]

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How to Maximize the Benefits of Clinical Pharmacology Gap Analysis

Many companies have tried and true clinical pharmacology practices. But when the rubber hits the road for your drug program, will these practices support regulatory success? Has your historic approach to drug development been updated to include the latest modeling and simulation innovations? It’s hard to change how you’ve historically done things. But, do you […]

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Skin in the Game: Mechanistic Modeling of Dermal Drug Absorption

The ability to estimate systemic exposure from dermal absorption is essential in developing new dermatological medications or assessing the toxicological liability of commercially-used chemicals. Historically, animal models were used to evaluate dermal drug absorption prior to clinical testing. However, both differences in human and animal physiology as well as ethical concerns over animal testing have […]

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How to Plan and Implement a Pharmacology to Payer Framework

Pharmacology to the payer (P2P) is an innovative approach to create a framework for dialogue between drug sponsors, regulators, and payers. The core structure is the sequential linking of quantitative mathematical models—pharmacology, pharmacokinetics/pharmacodynamics (PK/PD), disease progression, epidemiology, health utilization, and health economics. In this blog post, we discuss how working with an amazing team of […]

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Ready, Set, Model! Take PK/PD Analysis to New Heights with Phoenix 8.0

Dr. Scott Gottlieb, the Commissioner of Food and Drugs, has outlined the steps the US FDA will take to implement the 21st Century Cures Act. In outlining the plan, the Commissioner endorses modeling and simulation approaches to increase the efficiency of drug development. Certara has launched Phoenix® 8.0, the latest version of the innovative PK/PD […]

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How Clinical Pharmacology Gap Analysis Can Create Value

During my years reviewing applications for the US FDA, I encountered a lot of poor planning concerning a drug’s clinical pharmacology program. This poor planning left the company either lacking data to make informed decisions or scrambling at the end of development to address unanswered issues. Early planning is key to regulatory success, not only […]

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