Feedback from the Phoenix Community: Our Visits with the FDA

Nathan Teuscher

We recently completed a week-long set of meetings with the FDA, where we met with over 300 FDA reviewers from 7 of the 11 FDA centers that use Phoenix. Here are a few topics that took center-stage during our visits: Q: How can we create Phoenix workflow templates that are reusable across different studies with […]

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Topics: PK/PD Modeling & Simulation

PML School: Custom PK/PD Modeling Made Easy

Bernd Wendt

In our increasingly noise-filled world, sometimes, the most powerful insights come from listening. As the head of support at Certara, I get excited about listening to our clients’ pharmacokinetic/pharmacodynamic (PK/PD) modeling dilemmas and helping them solve them. And through listening to our users who call our support hotline, attend our training courses, or participate in […]

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Topics: PK/PD Modeling & Simulation

Pharmacokinetics of Oral Terbinafine in Adult Horses

The primary study objective was to compare the pharmacokinetics of p.o. terbinafine alone to p.o. terbinafine administered with p.o. cimetidine in healthy adult horses. The second objective was to assess the pharmacokinetics of terbinafine when administered per rectum in two different suspensions at 30 mg/kg to adult horses. Six healthy adult horses were included in this […]

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Vaccination Mitigates the Impact of PRRSv Infection on the Pharmacokinetics of Ceftiofur Crystalline-free Acid in Pigs

The pharmacokinetics of intramuscularly administered ceftiofur crystalline-free acid (CCFA) were determined in pigs that were clinically healthy (n = 8), vaccinated with a Porcine reproductive and respiratory syndrome modified live virus (PRRS MLV) (n = 10), challenged with wild-type porcine reproductive and respiratory syndrome virus (PRRSv) VR-2385 (n = 10), or vaccinated with PRRS MLV and later challenged with wild-type PRRSv […]

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What’s New in Phoenix 7.0!

Maria Saluta

On September 14, Dr. Nathan Teuscher presented an informative webinar focused on new features and enhancements in Phoenix® 7.0, which was released on August 10. This blog post summarizes the topics discussed during the presentation. Nathan began his presentation with an overview of new features in Phoenix 7.0 including: A new graphics engine for high […]

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Topics: PK/PD Modeling & Simulation

A Study to Examine the Relationship Between Metritis Severity and Depletion of Oxytetracycline in Plasma and Milk after Intrauterine Infusion

Metritis is a frequent problem in postpartum dairy cows. Intrauterine therapy with the antimicrobial oxytetracycline (OTC) is often used, although this therapy has not been shown to be superior to systemic therapy. The objectives of this study were to (1) determine the plasma and milk concentrations of OTC following intrauterine infusion in postpartum dairy cows […]

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Phoenix WinNonlin

Phoenix WinNonlin is the industry standard for the analysis of pharmacokinetic and pharmacodynamics data. The integrated tools for data processing, non-compartmental analysis (NCA), PK/PD modeling, post-analysis statistics, table creation, and graphics create an all-in-one collaboration workbench for analysts, reviewers, medical writers, and quality assurance team members.

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On the Road Again: Leveraging the Power of Phoenix

Maria Saluta

Last year during our inaugural Phoenix Roadshow workshop program across the US, Europe and Asia, we gained valuable feedback and ideas from our customers on “All Things Phoenix.” Based on the success of that program, and with new updates and case studies to share with our users, we commenced our 2nd Annual Phoenix Roadshow in […]

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Topics: PK/PD Modeling & Simulation

Get Ready for CDISC-SEND!

Maria Saluta

Towards the end of 2016, the US Food and Drug Administration (FDA) and the Japan Pharmaceuticals and Medical Devices Agency (PMDA), will require electronic submissions of certain nonclinical data using the CDISC SEND standard format. Other regulatory agencies, including the European Medical Agency (EMA), Korean Ministry of Food and Drug Safety, and China Food and […]

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Topics: PK/PD Modeling & Simulation

Reference-scaled Average Bioequivalence

Ana Henry

The standard approach for approval of generic drugs is to run a bioequivalence study to demonstrate that a generic product is comparable to an  approved (ie, reference) drug in their rate and extent of absorption. The rate and extent of drug absorption are determined from the pharmacokinetic parameters: peak concentration (Cmax) and the area under […]

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Topics: PK/PD Modeling & Simulation

How Biosimulation Can Provide Insight into Herbal Supplement Safety

Ellen Leinfuss

According to the Council for Responsible Nutrition, a trade group for the $32 billion nutritional supplement industry, 68% of adults take dietary supplements. Further analysis shows that supplement use is more prevalent among women, the children of women that take supplements, and the elderly. Like drugs, supplements do not work the same in all patients […]

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Topics: PBPK Modeling & Simulation
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