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Related Concept Videos

Dosage Regimens: Partial Pharmacokinetic Parameters01:01

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It is not uncommon for complete drug pharmacokinetic profiles to remain elusive in pharmacokinetics. This necessitates certain educated assumptions by pharmacokineticists to determine appropriate dosage regimens without comprehensive pharmacokinetic data from animal or human studies. One prevalent assumption is setting the bioavailability factor, denoted as F, to 1 or 100%. This assumption caters to the scenario where a drug doesn't achieve full systemic absorption, resulting in the patient...
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Individualization in dosing regimens is the customization of medication doses for individual patients. Its necessity arises from the goal of maximizing therapeutic benefits while minimizing risks. This approach is pivotal because human responses to drugs can vary widely; what is effective for one person may be inadequate or excessive for another. Interpatient (intersubject) variability refers to differences in drug responses between individuals, while intrapatient (intrasubject) variability...
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Analysis of population pharmacokinetic data involves studying the behavior of drugs within diverse populations to understand their pharmacokinetic parameters. Traditional pharmacokinetic methods typically involve collecting samples from a few individuals and estimating these parameters. While these methods are commonly used, they have limitations in capturing the variability in drug response among individuals or heterogeneous populations. Population pharmacokinetics is employed to address these...
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A drug's nonlinear kinetics can be influenced by a diverse range of transporter proteins that serve as crucial players in drug distribution. These transporters, found within cells, can enhance or reduce local drug concentrations by facilitating the influx or efflux of drugs. For instance, the expression of xenobiotic transporters can be influenced by factors such as age and gender, potentially impacting the linearity of drug response.
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A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene
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[Pharmacogenetics in daily practice].

T van Gelder1,2, R H N van Schaik3

  • 1LUMC, afd. Klinische Farmacie & Toxicologie, Leiden.

Nederlands Tijdschrift Voor Geneeskunde
|July 2, 2020
PubMed
Summary
This summary is machine-generated.

Pharmacogenetic tests are underutilized in clinical practice. The Royal Dutch Pharmacists Association (KNMP) created 80 drug dosage recommendations based on genetics, highlighting the need for clinical decision support software.

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Area of Science:

  • Clinical Pharmacology
  • Genetics
  • Pharmacy Practice

Background:

  • Pharmacogenetic test implementation in routine medical care remains limited across most specialties.
  • The Royal Dutch Pharmacists Association (KNMP) has addressed this gap by developing evidence-based guidelines.

Purpose of the Study:

  • To present pharmacogenetics-based therapeutic dosage recommendations for 80 medicinal product combinations.
  • To emphasize the importance of integrating genetic information into prescribing decisions.

Main Methods:

  • Systematic literature review to establish evidence for dosage recommendations.
  • Development of guidelines for 80 drug-product combinations based on pharmacogenetic data.

Main Results:

  • The KNMP has formulated 80 pharmacogenetics-based therapeutic dosage recommendations.
  • Both reactive and pre-emptive genotyping strategies are discussed, with pre-emptive offering immediate genetic insights upon prescription.

Conclusions:

  • Clinical decision support software is essential for the practical implementation of pharmacogenetics in daily pharmacy and medical practice.
  • Wider adoption of pharmacogenetic testing can optimize drug therapy and patient outcomes.