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Factors Influencing Drug Absorption: Pharmaceutical Parameters

Factors Influencing Drug Absorption: Pharmaceutical Parameters

Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...

Pharmaceutical Alternatives: Polymorphic Form-Related and Particle Size-Related Therapeutic Nonequivalence

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Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...

Biopharmaceutical Factors Influencing Drug Product Design: Overview

Biopharmaceutical Factors Influencing Drug Product Design: Overview

Rational drug product design integrates knowledge of the drug’s physicochemical properties, formulation components, manufacturing techniques, and intended route of administration. Each factor influences the drug’s performance, including how it is released, absorbed, and eliminated in the body.The physicochemical properties of a drug—such as solubility, stability, and particle size—affect its compatibility with excipients and the choice of dosage form. Excipients, though...

Biopharmaceutics and Pharmacokinetics: Overview

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Understanding drugs, drug products, and their performance in pharmaceutical science is pivotal. Drugs, whether simple molecules or complex compounds, are designed to interact with the body's biological systems to diagnose, treat, or prevent diseases. Drug products include various delivery systems such as tablets, capsules, injections, and inhalers. The performance of these drug products is gauged by their ability to deliver the active ingredient to the desired site of action at the...

Pharmacokinetic Models: Overview

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Pharmacokinetic models utilize mathematical analysis to achieve a detailed quantitative understanding of a drug's life cycle within the body. They are instrumental in simulating a drug's pharmacokinetic parameters, predicting drug concentrations over time, optimizing dosage regimens, linking concentrations with pharmacologic activity, and estimating potential toxicity.
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...

Factors Affecting Dissolution: Particle Size and Effective Surface Area

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Dissolution kinetics, an essential aspect of oral drug delivery, is significantly influenced by the drug's particle size. According to the Noyes-Whitney dissolution model, the dissolution rate correlates directly with the drug's surface area. The larger the surface area, the higher the drug's solubility in water, leading to a faster drug dissolution rate. Reducing particle size increases the effective surface area, enhancing the dissolution process. Micronization and nanosizing are...

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Related Experiment Video

Updated: Nov 19, 2025

Frugal Imaging Technique of Capillary Flow Through Three-Dimensional Polymeric Printing Powders

Frugal Imaging Technique of Capillary Flow Through Three-Dimensional Polymeric Printing Powders

Published on: October 4, 2022

Powder Processing in Pharmaceutical Applications-In-Depth Understanding and Modelling.

Jan Henrik Finke^1,2, Arno Kwade^1,2

¹Institute for Particle Technology, TU Braunschweig, Volkmaroder Str. 5, 38104 Braunschweig, Germany.

|January 27, 2021

Summary

This summary is machine-generated.

This study addresses challenges in processing powders with varied properties for solid dosage forms. It focuses on optimizing powder handling and formulation for consistent drug delivery.

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Area of Science:

Pharmaceutical Sciences
Materials Science

Background:

Solid dosage form manufacturing involves processing powders with diverse properties.
Effective powder processing is crucial for consistent drug product quality.

Discussion:

Challenges in powder flow and compaction behavior due to property variations.
Impact of particle size, shape, and surface chemistry on processing.

Key Insights:

Understanding powder heterogeneity is key to process optimization.
Strategies for managing powder variability in pharmaceutical manufacturing.

Outlook:

Future research directions in advanced powder characterization.
Development of novel processing techniques for complex powder systems.