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Current issues in validation of chromatography.

¹BioReliance Inc, Rockville, MD 20850, USA. gsofer@biorelance.com

Developments in Biologicals

|November 19, 2003

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Chromatography is vital for purifying biologicals but faces challenges like carryover, contamination, and resin degradation. Addressing these concerns is crucial for reliable biopharmaceutical manufacturing.

Area of Science:

Biopharmaceutical Manufacturing
Separation Science
Analytical Chemistry

Background:

Chromatography has been a cornerstone in biological purification for over two decades.
Despite its success, significant challenges persist in achieving and validating high purity standards for biopharmaceuticals.

Purpose of the Study:

To identify and discuss critical issues impacting the reliability and efficiency of chromatographic purification processes.
To highlight areas requiring further investigation and technological advancement in biopharmaceutical manufacturing.

Main Methods:

Review of established chromatographic techniques and their limitations.
Analysis of common problems encountered in industrial-scale biopharmaceutical purification.

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Main Results:

Key concerns identified include carryover, cleaning validation complexities, microbial contamination risks, and leachables.
The large surface area of chromatography media complicates surface interaction understanding.
Multiple interacting operational parameters significantly influence overall chromatographic performance.

Conclusions:

Continued research is necessary to overcome existing challenges in chromatography for biopharmaceutical production.
Enhanced understanding of surface phenomena and parameter interactions is essential for process optimization and ensuring product safety.