Clinical Pharmacology Podcast with Nathan Teuscher

00:15:48

Tackling TMDD Models (Ep. 20)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2024/02/26

Today’s show is about TMDD or target-mediated drug disposition models. I review the scientific and physiologic basis for TMDD models, how to review data and determine if a TMDD model is needed. I review the various modeling approaches along with my recommendations for specific TMDD models. I hope this information helps you understand how to recognize TMDD behaviors and the options for modeling that data.Links discussed in the show: A tutorial on target-mediated drug disposition (TMDD) models

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00:46:15

Communication for scientists (Ep. 19)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2024/02/12

Today’s episode is about communication for scientists. I believe that improvements in communication skills can have a greater impact on your career and work than technical skills. Michael Piperno, an expert in communication and leadership skills joins me to discuss communication challenges and solutions for clinical pharmacologists and pharmacometricians. Links discussed in the show: You can connect with Michael On his website On LinkedIn On his blog On his podcast Subscribe to

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00:13:11

Cell Therapy and Clinical Pharmacology (Ep. 18)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2024/01/22

Today’s episode is about cell therapies, including CAR T-cell theraphy for cancer. I give an overview of cell therapy and the challenges of clinical pharmacology in this new area of research. Links discussed in the show: CAR T-cell Therapy Image You can connect with me on LinkedIn and send me a message Send me a message Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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00:17:11

Allometry in Pediatrics and First in Human Studies...

Clinical Pharmacology Podcast with Nathan Teuscher ·

2024/01/08

Happy New Year! Today’s episode is all about allometric scaling in pharmacokinetic and pharmacodynamics. In particular, I’ll discuss how to use it for scaling from adults to pediatrics and for selection of first in human doses. Links discussed in the show: Boxenbaum manuscript FDA guidance on First in Human doses You can connect with me on LinkedIn and send me a message Send me a message Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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00:30:13

Computer System Validation for Pharmacometrics (Ep. 16)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/12/25

This is the last podcast for 2023. Thank you for listening throughout the year! In today’s episode I talk about computer system validation for pharmacometrics. I review my experience with validation in multiple companies over 20 years and discuss what auditors and FDA inspectors want to see. Links discussed in the show: Computer system validation guidance for medical devices Computer systems used in clinical trials Computer system assurance guidance for medical devices EMA

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00:26:10

QSP, PBPK, PKPD, PopPK … analysis abbreviation soup!...

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/12/11

In today’s episode I cover 4 different modeling approaches: QSP, PBPK, PopPK, and PKPD. All of these are methods for analyzing data to predict either drug concentrations, or a response variable. But each method is developed in a different way and has different assumptions and limitations. Links discussed in the show: You can connect with me on LinkedIn and send me a message Send me a message Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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00:22:39

Handling BLQ samples (Ep. 13)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/11/27

In today’s episode I discuss BLQ handing for both non-compartmental and modeling analysis approaches. I discuss how BLQ samples are defined, methods for analyzing them, and situations when you should use different analysis approaches. Links discussed in the show: FDA guidance on bioanalytical method validation ICH M10 guidance on bioanalytical method validation Handling data below the limit of quantitation in mixed effects models Ways to fit a PK model with some data below the

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00:19:56

Clinical Drug Interaction Studies (Ep. 14)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/11/27

In today’s episode I covered the different types of drug interactions, followed by features of clinical drug evaluation studies recommended in the guidance. Then I will review recommendations for both stand-alone clinical drug interaction studies, as well as nested drug interaction studies. I’ll finish with recommended approaches for interpreting drug interaction study results and expressing that information in drug labeling. Links discussed in the show: Prevalence and factors associated with

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00:14:22

PK in patients with impaired renal function (Ep. 12)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/10/23

In today’s episode I discuss the evaluation of pharmacokinetics in patients with impaired renal function. I include information from both the US FDA and EMA guidance documents linked below. I discuss the determination of when a dedicated renal impairment study is needed, characteristics of the study design and how to analyze and interpret the results. Links discussed in the show: • FDA guidance on PK in patients with impaired renal function • EMA guidance on Evaluation of PK in patients with

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00:31:13

Model diagnostics and selection (Ep. 11)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/10/09

This episode is a discussion on model evaluation and selection. I discussed diagnostic plots using predictions and residuals. I covered approaches for model selection and factors to consider. The focus of this episode is on models that predict continuous endpoints like drug concentration, biomarkers, or other continuous endpoints. Several figures are mentioned in the podcast and links to those images can be found below. Links discussed in the show: Figure 1: Observed vs Predicted for

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00:24:40

Exposure-Response FDA Guidance (Ep. 10)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/09/25

This episode is a discussion of the FDA guidance “Exposure-Response Relationships”. The relationship between drug exposure and response is critical to any determination of the safety and effectiveness of a drug product. In this episode I discuss the regulatory applications of exposure-response, the exposure-response relationships over time, the design of studies to collection exposure-response information, and modeling exposure-response relationships. Links discussed in the show: • FDA guidance

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00:43:24

Finding a job in Clinical Pharmacology (Ep. 9)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/09/11

This episode I talk about finding a job in Clinical Pharmacology or Pharmacometrics. I share a few thoughts from my experience followed by an interview with TJ Elder, the president of STEM Sourcing Recruiting and Staffing. TJ shares his insights and best practices on securing a new job in Clinical Pharmacology or Pharmacometrics. Links discussed in the show: • Connect with TJ Elder on LinkedIn • You can connect with me on LinkedIn and send me a message • Send me a message • Sign up for my

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00:30:37

QT Prolongation Guidance ICH E14 (Ep. 8)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/08/28

This episode is a discussion of the FDA and ICH guidance E14 titled “Clinical Evaluation of QT/QTc Interval Prolongation and Proarrhythmic Potential for Non-Antiarrhythmic Drugs”. I start with background on the reason for these evaluations, then move to an overview of the key evaluations needed. I then discuss in some detail the thorough QT study and the concentration QT analysis. Then I provide some parting thoughts from my experiences with these analyses. Links discussed in the show: • ICH E14

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00:24:51

Pediatric Extrapolation (Ep. 7)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/08/14

Thank you to everyone who sent me feedback on this podcast. This episode is based on a suggestion from Kushal and Parmesh. In this episode, I discuss a general clinical pharmacology pediatric extrapolation plan. I describe the basics of the plan that is commonly proposed to regulatory bodies. I discuss specific technical approaches for extrapolation of adult pharmacokinetic data to pediatric patients and the extrapolation of adult exposure-response or pharmacodynamic data to pediatrics. And I

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00:30:14

Bioequivalence Guidances from FDA and EMA (Ep. 6)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/24

Thank you to everyone who sent me feedback on this podcast. This episode is based on a suggestion from Drew. In this episode, I discuss bioequivalence studies and generic drug development. I will refer to guidance documents from both the European Medicines Agency or EMA and the US Food and Drug Administration or FDA. First, I will start with a discussion of the definition of bioequivalence or BE. Then I will discuss the statistical basis for bioequivalence and how you can leverage that for study

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00:20:26

Nuances of NCA (Ep. 5)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/10

In this episode, I discuss some nuances of non-compartmental analysis or NCA. I am going to focus on three separate parameters: Cmax, AUC, and the terminal elimination rate constant. These three are the most commonly used parameters to describe drug exposure. I’ll discuss the basic methodology for each and then discuss challenges that may arise when you are performing an analysis. Links discussed in the show: Images mentioned in the podcast Derivation of logarithmic AUC Calculating the elimination

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00:36:06

Population PK FDA guidance (Ep. 4)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/03

In this episode, I discuss the 2022 FDA Guidance on Population PK analysis. This includes a discussion of the applications, methods, and submission requirements for population PK models. Links discussed in the show: • FDA Population PK Guidance • You can connect with me on LinkedIn and send me a message • Send me a message • Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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00:17:44

Comparing NCA and PK models (Ep. 3)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/03

In this episode, I discuss two data analysis techniques: (1) non-compartmental analysis or NCA, and (2) PK modeling. I discuss the basic premise of each method and similarities and differences between them. Links discussed in the show: Publication about NCA by Johan Gabrielsson and Dan Weiner Publication about PK modeling by Hartmut Derendorf et. al. Play Angry Birds as a fun diversion today Here’s a link to the Dexcom glucose sensor and the Tandem T-slim insulin pump You can connect with

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00:17:55

Food Effect FDA Guidance (Ep 2)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/03

In this episode, I discuss the 2022 FDA guidance on food effect studies. I discuss the timing of these studies in your development programs, various aspects of study design, and some unique exceptions to the standard food effect study. Links discussed in the show: • Here’s the current FDA guidance for food effect studies • You can connect with me on LinkedIn and send me a message • Send me a message • Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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00:13:24

Podcast about clinical pharmacology (Ep 1)

Clinical Pharmacology Podcast with Nathan Teuscher ·

2023/07/03

In my inaugural episode, I introduce myself, describe the type of clinical pharmacology and pharmacometrics content I will share, let you know how to get in touch with me, and give the reason why I started this podcast. Links discussed in the show: You can connect with me on LinkedIn and send me a message Send me a messsage Sign up for my newsletter Copyright Teuscher Solutions LLC All Rights Reserved

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