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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How Does the In Vivo Biliary Elimination of Drugs Change with Age? Evidence from In Vitro and Clinical Data Using a Systems Pharmacology Approach

Information on the developmental changes in biliary excretion (BE) of drugs is sparse. The aims of this study were to collate literature data on the pharmacokinetics of biliary excretion of drugs used in pediatrics and to apply a physiologically-based pharmacokinetic (PBPK) model to predict their systemic clearance (CL) with a view to elucidating age-related changes […]

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Considering Age Variation When Coining Drugs as High versus Low Hepatic Extraction Ratio

The hepatic extraction ratio (EH) is commonly considered an “inherent attribute” of drug. It determines the main physiological and biological elements of the system (patient attributes) that are most significant in interindividual variability of clearance. The EH consists of three age-dependent parameters: fraction of unbound drug in blood (fu.B), hepatic intrinsic clearance of unbound drug […]

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Model-based covariate pharmacokinetic analysis and lack of cortisol suppression by the new inhaled corticosteroid ciclesonide using a novel cortisol release model

Ciclesonide is a novel and effective inhaled corticosteroid for the treatment of asthma that is converted into the active metabolite C21-desisobutyryl-ciclesonide (des-CIC) in the lung. The objectives of this analysis were to characterize covariate effects on des-CIC pharmacokinetics (PK) and circadian cortisol release. In addition, the effect of systemic des-CIC exposure on circadian cortisol release […]

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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.

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Learning from Failure: Leveraging Biosimulation for Pediatric Drug Development Success

The high rate of trial failures, increasing regulatory demands, and ethical imperatives all require a reexamination of the current approach to pediatric drug development. Biosimulation is a proven approach that will help optimize trial design and inform the drug label. This approach can support global regulatory strategies that increase the likelihood of success for pediatric drug development programs.

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Minimize the Exposure of Children to Experimental Therapies

Certara® is a leading drug development and drug safety consultancy trusted by thousands of biopharmaceutical companies worldwide. Offering a broad range of scientific consulting services and software solutions, from early drug discovery, to clinical development through product commercialization, Certara is the most comprehensive single-source solutions provider in the market.

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Physiologically-Based Pharmacokinetics Modeling: An Approach for Designing Better Clinical Trials

In this webinar, Dr. Marylore Chenel, director of Pharmacometrics at Servier, discussed how PBPK modeling is a tool that can help sponsors design better clinical studies. She illustrated this approach using two case studies. The first case study demonstrated how to evaluate potential drug-drug interactions (DDIs) with PBPK models and design multi-response sampling strategies using […]

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