Informing Pediatric Drug Development: A Selection from Certara’s Best of Blogs

A selection of short essays by Certara’s pediatric drug development experts. Learn about our technologies and strategies for pediatric drug development to inform dose selection, including PK/PD simulations using sparse data analysis and our Simcyp Pediatric Simulator. Certara’s regulatory writing consultancy, Synchrogenix, also offer regulatory strategy for pediatrics.

PBPK Modeling in Regulatory Review, Product Labeling and Safety Monitoring

Physiologically-based pharmacokinetic (PBPK) modeling can address various questions raised in drug development and regulatory review, and is used most extensively to predict and quantify the extent of drug-drug interactions (DDIs) from both in vitro and clinical data. This assists with dose selection and the design of clinical studies as well as informing decisions relating to … Continued

Learning From Failure, Leveraging Modeling and Simulation for Pediatric Drug Development Success

Historically, clinical trials have not examined most pediatric medications. This is due to the ethical and practical challenges of conducting pediatric drug trials. Children are 40 percent of the world’s population. Yet, regulatory agencies have approved only 10 percent of the drugs on the market for pediatrics.1 Without a proper clinical process, pediatricians are stuck … Continued

Understanding Complex PK

To solve a mystery in clinical development for a promising new formulation to combat a rare disease, Certara performed physiologically relevant modeling.

Population Pharmacokinetic and Pharmacodynamic Analyses from a 4-Month Intra-dose Escalation and Its Subsequent 12-month Dose Titration Studies for a Human Monoclonal Anti-FGF23 Antibody (KRN23) in Adults with X-linked Hypophosphatemia

X-linked hypophosphatemia (XLH) is an inherited metabolic bone disease with abnormally elevated serum FGF23 resulting in low renal maximum threshold for phosphate reabsorption, low serum phosphate (Pi) and 1,25-dihydroxyvitamin D levels with subsequent development of short stature and skeletal deformities. KRN23 is a novel human anti-FGF23 antibody for the treatment of XLH. The pharmacokinetics (PK) … Continued

Precision Dosing Using PBPK Modeling

Precision dosing― the right dose, for the right patient, at the right time― is crucial to providing patients with the most efficacious medications with minimal probability of adverse events. One key step towards achieving the delivery of individualized dosing is testing potential dosing regimens in a patient’s ‘virtual twin.’ The other key step is to … Continued

Understanding the Relationship Between Systemic and Hepatic Exposure of Obeticholic Acid for the Treatment of Liver Disease in Patients with Cirrhosis

Obeticholic acid (OCA) is a selective and potent farnesoid X receptor (FXR) agonist in development for several chronic liver diseases. OCA is a semi-synthetic analogue of chenodeoxycholic acid (CDCA) with similar pharmacokinetic (PK) properties. There was a significant increase in systemic exposure of OCA in patients with hepatic impairment. A proportionally similar increase in systemic … Continued

How to Optimize Your Drug Label Using Biosimulation Methodology

While biosimulation has been an important element in drug development for some time, its impact over the past 18 months with regard to label optimization has been profound. Specifically, FDA’s acceptance of Physiologically-Based Pharmacokinetic (PBPK) modeling and simulation has impacted key label elements in more than a dozen cases, driving down R&D costs and timelines, … Continued

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