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Related Concept Videos

Drug Dissolution: Requirements and Profile Comparison01:14

Drug Dissolution: Requirements and Profile Comparison

The acceptance criteria for dissolution profile data are anchored in Q values, representing the percentage of drug dissolved within a specified period. This assessment unfolds in three stages:First Stage: The test passes if all six drug dosage units are equal to or greater than Q plus 5%; otherwise, the sample proceeds to the second stage.Second Stage: The average of twelve units must be equal to or greater than Q, with no unit falling below Q - 15% to pass; if not, it progresses to the final...
In Vitro Drug Dissolution: Compendial Testing Models II01:09

In Vitro Drug Dissolution: Compendial Testing Models II

Various dissolution methods are utilized to assess a drug’s dissolution rate, including the flow-through cell, paddle-over-disk, cylinder, and reciprocating disk methods.The flow-through cell apparatus (USP (United States Pharmacopeia) method 4) comprises a reservoir for the dissolution medium and a pump that propels the medium through the cell containing the test sample. This method is crucial for assessing modified-release dosage forms with minimally soluble active ingredients, maintaining...
In Vitro Drug Dissolution: Compendial Testing Models I01:13

In Vitro Drug Dissolution: Compendial Testing Models I

Compendial dissolution methods are standardized procedures defined by pharmacopeias to evaluate the rate at which a drug dissolves in a specific medium. These methods ensure batch-to-batch consistency, enable quality control, and support the prediction of drug bioavailability. They are critical for both immediate and modified-release drug products.The apparatuses used for dissolution testing differ in their design and mechanical function, but all aim to simulate the physiological environment of...
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...
Clinically Relevant Drug Product Specifications: Methods of Establishment01:29

Clinically Relevant Drug Product Specifications: Methods of Establishment

Product specifications define the acceptable quality of a pharmaceutical product by ensuring identity, purity, potency, and strength. These specifications serve as benchmarks during development, manufacturing, and post-approval quality control. Clinically relevant specifications are particularly important because they directly relate to a drug's safety and efficacy in clinical use.Dissolution studies are critical biopharmaceutic tools that link in vitro behavior to in vivo performance. They...
In Vitro Drug Release Testing: Overview, Development and Validation01:10

In Vitro Drug Release Testing: Overview, Development and Validation

In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...

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Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface
07:00

Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface

Published on: August 11, 2017

Change in criteria for USP dissolution performance verification tests.

Walter W Hauck1, Anthony J DeStefano, William E Brown

  • 1US Pharmacopeial Convention, 12601 Twinbrook Parkway, Rockville, MD 20852, USA. wh@usp.org

AAPS Pharmscitech
|January 10, 2009
PubMed
Summary
This summary is machine-generated.

The US Pharmacopeial Convention updated its performance verification tests (PVT) for dissolution testing. The new criterion uses mean and variability of tablet results, enhancing drug testing integrity.

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Area of Science:

  • Pharmaceutical Sciences
  • Analytical Chemistry
  • Drug Development

Background:

  • The US Pharmacopeial Convention (USP) has conducted performance verification tests (PVT) for several years.
  • These tests are crucial for ensuring the integrity of dissolution testing for orally administered dosage forms.

Purpose of the Study:

  • To describe the updated PVT criterion and its derivation.
  • To explain the two-stage option and operating characteristics of the new PVT.

Main Methods:

  • Evaluation of existing PVT criteria.
  • Development of a new PVT criterion based on mean and variability of tablet results.
  • Conducting a collaborative study to derive acceptance limits.

Main Results:

  • A shift in the PVT criterion from individual tablet results to mean and variability of a set of tablets.
  • Establishment of acceptance limits derived from collaborative study data.
  • Presentation of operating characteristics for the revised PVT.

Conclusions:

  • The revised PVT criterion enhances the reliability of dissolution testing for orally administered dosage forms.
  • The new approach provides a more robust assessment of dissolution performance.
  • The updated PVT supports the USP's commitment to drug quality and patient safety.