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Related Concept Videos

Equivalence: In Vitro and In Vivo Bioequivalence01:17

Equivalence: In Vitro and In Vivo Bioequivalence

Bioequivalence studies are crucial in evaluating whether new drugs can match an approved one regarding pharmacological effects and clinical performance. These studies test if drugs, despite different dosage forms, share identical plasma concentration-time profiles. Three types of equivalence are central to these studies: chemical, pharmaceutical, and therapeutic. Chemical equivalence indicates that two or more drug products contain identical active ingredients in equal amounts. Pharmaceutical...
Drug Product Performance: In Vitro–In Vivo Correlation01:20

Drug Product Performance: In Vitro–In Vivo Correlation

In pharmaceutical development, it's crucial to establish a predictive in vitro–in vivo correlation (IVIVC) for two or more formulations to gain a comprehensive understanding of release properties. IVIVC reduces the need for costly in vivo studies and facilitates the establishment of meaningful dissolution specifications with significant cost savings and decreased regulatory burden. Furthermore, a meaningful IVIVC should predict Cmax and AUC within 20%, aligning with FDA guidance while adhering...
Bioequivalence Data: Statistical Interpretation01:16

Bioequivalence Data: Statistical Interpretation

The statistical interpretation of bioequivalence data is a significant aspect of pharmaceutical research. Bioequivalence refers to the absence of any significant difference in the rate and extent to which the active ingredient in pharmaceutical products becomes available at the site of drug action when administered at the same molar dose under similar conditions. This helps determine if different drug products have similar absorption rates, ensuring their interchangeability.Statistical...
Multiple Comparison Tests01:13

Multiple Comparison Tests

Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
Bioequivalence studies: Biowaivers01:13

Bioequivalence studies: Biowaivers

In certain scenarios, in vitro dissolution tests can replace in vivo bioequivalence studies. This is particularly true when a drug product, though available in varying strengths, maintains proportional similarity in its active and inactive ingredients. In such cases, the need for in vivo bioequivalence studies for lower strength variants may be waived, provided dissolution tests and in vivo studies on the highest strength yield satisfactory results.Bioequivalence can be indicated through...

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Related Experiment Video

Updated: May 10, 2026

Nanoparticle Tracking Analysis of Gold Nanoparticles in Aqueous Media through an Inter-Laboratory Comparison
07:08

Nanoparticle Tracking Analysis of Gold Nanoparticles in Aqueous Media through an Inter-Laboratory Comparison

Published on: October 20, 2020

[Interlaboratory comparison/external quality assessment].

J Arnaud, V Adjidé, A Vassault

    Annales De Biologie Clinique
    |July 6, 2013
    PubMed
    Summary
    This summary is machine-generated.

    External quality assessment (EQA) is crucial for analytical process quality. This guide aids laboratories in selecting, implementing, and interpreting EQA schemes effectively.

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    Area of Science:

    • Analytical Chemistry
    • Laboratory Medicine

    Context:

    • Ensuring the reliability of laboratory results is paramount for patient care and scientific research.
    • External quality assessment (EQA) programs are essential components of laboratory quality management systems.

    Purpose:

    • To provide guidance for laboratories on the selection, implementation, and interpretation of external quality assessment schemes.
    • To enhance the understanding and effective utilization of EQA data for continuous quality improvement.

    Summary:

    • This document addresses the critical role of external quality assessment in demonstrating the quality of analytical processes.
    • It offers practical advice to laboratories for navigating the complexities of EQA scheme participation.

    Impact:

    • Improved accuracy and reliability of laboratory testing.
    • Enhanced confidence in diagnostic and research outcomes.
    • Facilitation of laboratory accreditation and regulatory compliance.