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Pharmaceutical products contain more than just the active drug; they also contain various excipients such as binders, solubilizers, stabilizers, preservatives, and other elements. In some cases, impurities or contaminants might be present. Traditionally, quality control in pharmaceuticals has primarily focused on the analysis of the active drug, often overlooking the impact of these additional components. The recent issue with heparin contamination by over-sulfated chondroitin sulfate, a...
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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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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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Micronutrient program costs: sources of variations and noncomparabilities.

John L Fiedler, Chloe Puett

    Food and Nutrition Bulletin
    |April 23, 2015
    PubMed
    Summary

    Comparing micronutrient intervention costs is challenging due to varied study methods. Standardizing cost studies is crucial for effective program planning and implementation globally.

    Area of Science:

    • Public Health
    • Nutrition Science
    • Health Economics

    Background:

    • Micronutrient interventions significantly reduce global disease and death.
    • Expanding interventions necessitates understanding their resource requirements.
    • Current cost studies lack comparability due to diverse methods and pathways.

    Purpose of the Study:

    • To clarify variations and non-comparabilities in micronutrient intervention costs.
    • To identify factors hindering direct cost comparisons.
    • To inform standardized costing methodologies for future studies.

    Main Methods:

    • Systematic review of 130 cost studies on micronutrient supplementation, fortification, and biofortification.
    • Analysis of published and gray literature.

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  • Identification of non-comparable elements in existing cost research.

    • Main Results:

    • Key non-comparabilities include intervention specifics, country context, data sources, and cost center definitions.
    • Significant variations exist in the types of costs included in analyses.
    • Recommendations for standardizing future costing studies are presented.

    Conclusions:

    • Methodological differences in cost studies impede direct comparisons and impact intervention adoption.
    • Accurate, comparable cost data are essential for scaling and resourcing micronutrient programs effectively.
    • Standardized costing is vital for planning and implementing successful public health interventions.