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Protein formulation and fill-finish operations.

Sugunakar Y Patro¹, Erwin Freund, Byeong S Chang

¹Amgen Inc., Thousand Oaks, CA 91320, USA.

Biotechnology Annual Review

|November 20, 2002

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Maintaining therapeutic protein safety and efficacy requires careful formulation and fill-finish operations. This review details critical process parameters and degradation mechanisms to ensure drug stability during manufacturing and storage.

Area of Science:

Biopharmaceutical Manufacturing
Protein Chemistry
Drug Product Development

Background:

Therapeutic protein commercialization faces challenges in maintaining safety and efficacy throughout manufacturing, storage, and administration.
Protein drugs are formulated with excipients to ensure stability, with critical steps including freezing, thawing, sterile filtration, filling, and freeze-drying.

Purpose of the Study:

To review formulation and fill-finish operations for therapeutic proteins.
To identify critical process parameters and considerations for maintaining drug safety and efficacy.
To discuss protein structure, degradation mechanisms, and mitigation strategies during manufacturing.

Main Methods:

Review of protein structure-stability relationships.
Analysis of protein degradation pathways and contributing factors.

Related Experiment Videos

Examination of individual formulation and fill-finish unit operations.

Main Results:

Proteins possess complex structures influencing stability.
External factors can induce protein degradation during in vitro processing.
Each unit operation presents specific degradation risks requiring tailored process considerations.

Conclusions:

Understanding protein structure and degradation is crucial for effective formulation.
Careful control of critical process parameters during formulation and fill-finish operations is essential.
Implementing appropriate process considerations mitigates degradation, ensuring therapeutic protein safety and efficacy.