Cleaning validation in pharmaceutical quality control laboratories: a structured protocol for contamination risk mitigation.

Daru

Departamento de Engenharia Química e Biológica, Instituto Superior de Engenharia - Instituto Politécnico de Coimbra, Rua Pedro Nunes, Coimbra, 3030-199, Portugal.

Published: July 2025


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Article Abstract

Background: Cleaning activities are critical in pharmaceutical manufacturing to prevent cross-contamination of Active Pharmaceutical Ingredients (APIs). Traditionally, cleaning validation protocols have focused on production lines. However, there is a growing trend toward extending these protocols to Quality Control (QC) laboratories, encompassing both glassware and stainless-steel equipment.

Objectives: This paper presents a systematic approach for developing cleaning validation protocols specifically designed for QC laboratory equipment, aimed at improving cleaning effectiveness and ensuring regulatory compliance.

Methods: The proposed methodology includes: (i) identifying the worst-case API; (ii) performing recovery studies to optimize sampling methods and solvent selection; and (iii) employing statistical tools such as descriptive analysis and hypothesis testing to refine the protocol in line with current industry standards.

Results: A case study involving Oxcarbazepine demonstrates the application of the proposed protocol, evaluating surface contamination across various QC instruments and assessing detergent residues to validate cleaning effectiveness.

Conclusion: The proposed strategy provides a structured, statistically grounded framework for developing cleaning validation protocols in QC laboratories, promoting effective contamination control and adherence to regulatory standards.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12229404PMC
http://dx.doi.org/10.1007/s40199-025-00566-xDOI Listing

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