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Related Concept Videos

Dosage Regimens: Partial Pharmacokinetic Parameters01:01

Dosage Regimens: Partial Pharmacokinetic Parameters

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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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Determination of Multiple Dosing Parameters: Loading and Maintenance Doses01:25

Determination of Multiple Dosing Parameters: Loading and Maintenance Doses

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A loading dose is an essential pharmacological strategy to rapidly achieve the target plasma drug concentration necessary for an immediate therapeutic effect. This approach is especially critical for drugs characterized by slow absorption or extended half-lives, where delaying therapeutic plasma levels could compromise treatment outcomes. By administering a loading dose, clinicians ensure a prompt onset of drug action, even for agents with complex pharmacokinetic profiles.Achieving steady-state...
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Dosage Regimens: Designs and Approaches01:28

Dosage Regimens: Designs and Approaches

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Designing a dosage regimen, which refers to the manner of drug administration, is a complex process involving the selection of drug dose, route, and frequency. This process is underpinned by pharmacokinetic parameters derived from tests and population averages. These parameters are then tailored to patient-specific variables such as diagnosis, demographics, and allergy status. Once therapy commences, therapeutic response monitoring is critical and achieved through clinical and physical...
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Pharmacokinetic–Pharmacodynamic Relationship: Problems01:24

Pharmacokinetic–Pharmacodynamic Relationship: Problems

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The empirical approach to drug therapy optimization relies on correlating pharmacological response with administered dosage. Such an approach can be costly, time-consuming, and often yields poor correlation due to variables like formulation factors and drug elimination characteristics. A more precise approach correlates response with plasma drug concentration or the amount of drug in the body, rather than dosage. This is achieved through pharmacokinetic-pharmacodynamic (PK/PD) modeling, which...
126
Drug Dosage Regimen: Overview01:15

Drug Dosage Regimen: Overview

4.1K
A drug dosage regimen describes the specific instructions and schedule for administering a drug to a patient. It considers factors such as drug dosage, frequency, route of administration, and duration of treatment. Designing an appropriate dosage regimen for a patient aims to achieve a target drug concentration at the site of action.
Typically, the starting dose and dosing interval are guided by the manufacturer's recommendations based on clinical trials conducted during and after drug...
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Dosage Regimen: Individualization01:24

Dosage Regimen: Individualization

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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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Related Experiment Video

Updated: Apr 26, 2026

Evaluation of Drug Sorption to PVC- and Non-PVC-based Tubes in Administration Sets Using a Pump
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Evaluation of a Pharmacy-Managed Pharmacokinetic Dosing Program.

Lyndsi K Meyenburg1, Andrew J Crannage2, Julie A Murphy3

  • 1Seton Medical Center Hays, Seton Healthcare Family, Department of Pharmacy Kyle, TX, USA lkmeyenburg@seton.org.

Journal of Pharmacy Practice
|August 10, 2014
PubMed
Summary

A pharmacy-managed pharmacokinetic dosing program significantly improved appropriate medication dosing. This initiative enhanced the correct administration of famotidine, enoxaparin, and ketorolac, showcasing the value of pharmacist-led dosing.

Keywords:
enoxaparinfamotidineketorolacpharmacokineticsrenal dosing

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Area of Science:

  • Pharmacology
  • Clinical Pharmacy
  • Drug Dosing

Background:

  • Optimizing drug therapy is crucial for patient outcomes.
  • Pharmacokinetic dosing programs can personalize medication regimens.
  • Challenges exist in achieving appropriate dosing for renally cleared drugs.

Purpose of the Study:

  • To evaluate the impact of a pharmacy-managed pharmacokinetic dosing program.
  • To assess appropriate dosing of famotidine, enoxaparin, and ketorolac.
  • To determine the effectiveness of pharmacist-led medication management.

Main Methods:

  • A pharmacokinetic dosing program was implemented in a community teaching hospital.
  • Patients receiving famotidine, enoxaparin, or ketorolac with specific renal or weight criteria were included.
  • Preimplementation and postimplementation data were compared.

Main Results:

  • Appropriate dosing increased from 66% to 94% postimplementation (P < .001).
  • Famotidine dosing improved from 28% to 92%.
  • Appropriate enoxaparin and ketorolac dosing remained high and improved slightly.

Conclusions:

  • Pharmacy-managed pharmacokinetic dosing significantly enhances appropriate medication administration.
  • These results support expanding pharmacist autonomy in managing drug dosing.
  • Further studies on patient-oriented and financial outcomes can strengthen the case for program expansion.