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Enhancing bioavailability through thermal processing.

Justin M Keen¹, James W McGinity, Robert O Williams

¹College of Pharmacy, The University of Texas at Austin, 1 University Station, Campus Mail Code A1902, Austin, TX 78712, USA. jmkeen@utexas.edu

International Journal of Pharmaceutics

|April 27, 2013

Summary

Drug formulation technologies are essential for effective drug delivery. Thermal processing techniques improve drug solubility and control release, enhancing bioavailability for better therapeutic outcomes.

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Area of Science:

Pharmaceutical Sciences
Drug Delivery Systems
Materials Science

Background:

Many drugs exhibit poor solubility, hindering therapeutic efficacy.
Rapidly cleared drugs necessitate frequent dosing, leading to fluctuating concentrations.
Enabling formulation technologies are crucial for optimizing drug performance.

Purpose of the Study:

To review thermal processing technologies for drug formulation.
To summarize their utility in solubility enhancement and controlled release.
To examine the impact on drug bioavailability (rate and extent).

Main Methods:

Literature review of contemporary scientific publications.
Analysis of thermal processing techniques including melt mixing, spray congealing, sintering, and hot-melt extrusion.
Inclusion of newer technologies like dry powder coating, injection molding, and KinetiSol® dispersing.

Main Results:

Thermal processing significantly enhances solubility for poorly soluble drugs.
These technologies enable controlled drug release profiles.
Newer techniques offer advanced pharmaceutical processing capabilities.

Conclusions:

Thermal processing technologies are vital for overcoming drug solubility challenges.
They offer versatile solutions for controlled release and improved bioavailability.
Advancements in these technologies expand therapeutic possibilities.