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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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Dosage Regimens: Designs and Approaches01:28

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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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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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In patients with renal disease, dosage adjustments are necessary to maintain therapeutic plasma drug concentrations and prevent toxicity or subtherapeutic exposure. Renal impairment alters drug pharmacokinetics, especially in conditions like uremia, where changes such as prolonged elimination half-life and altered apparent volume of distribution can significantly affect drug disposition. These changes require careful modification of the dosing regimen to achieve the desired clinical...
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Drug Dosing: Infants and Children01:29

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Dosage Regimen: Fixed Dose01:01

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Fixed-dose regimens are a common approach to administer drugs to achieve and maintain desired levels of the drug in the body. In this dosing strategy, a specific amount of medication is given at regular intervals, often multiple times a day, to ensure a consistent drug concentration in the bloodstream.
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Related Experiment Video

Updated: Mar 15, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
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Liquid Medication Errors and Dosing Tools: A Randomized Controlled Experiment.

H Shonna Yin1,2, Ruth M Parker3, Lee M Sanders4

  • 1Department of Pediatrics, NYU School of Medicine-Bellevue Hospital, New York, New York; yinh02@med.nyu.edu.

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Summary
This summary is machine-generated.

Pediatric medication errors are common. Using oral syringes instead of cups for dosing, especially for small amounts, can significantly reduce dosing errors in children.

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Area of Science:

  • Pediatric pharmacology
  • Patient safety
  • Health literacy research

Background:

  • Medication errors frequently stem from poorly designed labels and packaging.
  • Identifying key attributes of dosing tools and labels is crucial for error reduction.

Purpose of the Study:

  • To investigate how dosing error rates are influenced by dosing tool characteristics and label-unit discordance.
  • To explore differences in dosing errors based on health literacy and language.

Main Methods:

  • A randomized controlled experiment was conducted with 2110 parents of children aged 8 years or younger.
  • Parents used various dosing tools (cups, syringes) and labels with different unit pairings to measure medication doses.
  • Dosing errors were assessed, defined as >20% deviation from the prescribed amount.

Main Results:

  • Over 84% of parents made at least one dosing error, with 21% making large errors.
  • Dosing cups resulted in significantly more errors than syringes (aOR=4.6).
  • Labels with only teaspoon measurements led to more errors than milliliter-only labels (aOR=1.2).

Conclusions:

  • Oral syringes are recommended over dosing cups for pediatric medication administration, particularly for smaller doses.
  • Improving label design and unit consistency is vital for a comprehensive pediatric dosing strategy.
  • Addressing health literacy and language barriers is essential in reducing medication errors.