Validations: Study Design & Reports (Elastomers/Polymers)

Acceptance Criteria for Study Batches: When to Repeat

Acceptance Criteria for Study Batches: When to Repeat In the pharmaceutical industry, the assessment of extractables and leachables (E&L) from packaging materials, including single-use systems, is critical in ensuring the safety and efficacy of drug products. This step-by-step guide aims to outline the acceptance criteria for study batches in the context of E&L risk assessments, particularly focusing on the analytical…

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Out-of-Expectation Signals: Investigations and CAPA

Out-of-Expectation Signals: Investigations and CAPA Out-of-Expectation Signals: Investigations and CAPA In the pharmaceutical industry, the validation of processes, equipment, and packaging materials is critical for maintaining compliance with regulations. This comprehensive guide discusses Out-of-Expectation Signals in the context of extractables and leachables (E&L) evaluations. It also delves into the methodologies regarding analytical evaluation thresholds (AET) and dose-based thresholds (DBT) and…

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Comparison Across Materials: Ranking and Decision Rules

Comparison Across Materials: Ranking and Decision Rules Comparison Across Materials: Ranking and Decision Rules In the pharmaceutical industry, ensuring the safety and efficacy of products involves rigorous validation processes, particularly when dealing with extractables and leachables (E&L). This article serves as a comprehensive guide to understanding the key aspects of E&L assessment, focusing on the importance of ranking materials and…

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Deconvolution of Complex Spectra: Libraries and Confirmation

Deconvolution of Complex Spectra: Libraries and Confirmation The pharmaceutical industry necessitates stringent regulatory compliance and thorough validation processes—particularly in the domain of extractables and leachables (E&L) testing. This article delivers a comprehensive step-by-step tutorial regarding the deconvolution of complex spectra involved in E&L studies, focusing on libraries, analytical evaluation thresholds, and confirmation processes. Professionals in the field will benefit from…

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Stability of Standards & Extracts: Storage, Handling, and Tracking

Stability of Standards & Extracts: Storage, Handling, and Tracking Stability of Standards & Extracts: Storage, Handling, and Tracking In pharmaceutical development, ensuring the integrity of extracts and standards is crucial for regulatory compliance and product safety. This guide elaborates on the processes of stability, storage, handling, and tracking of extractables and leachables (E&L) in single-use systems. It includes a comprehensive…

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Carryover and Memory Effects: Cleaning and Cross-Contamination Control

Carryover and Memory Effects: Cleaning and Cross-Contamination Control Carryover and Memory Effects: Cleaning and Cross-Contamination Control The recent advancements in pharmaceutical manufacturing and packaging underscore the importance of robust cleaning practices to mitigate carryover and memory effects, particularly regarding extractables and leachables (E&L). This guide aims to provide a comprehensive overview and step-by-step tutorial for pharmaceutical professionals involved in maintaining…

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Matrix Effects in LC-MS: Ion Suppression and Enhancement Checks

Matrix Effects in LC-MS: Ion Suppression and Enhancement Checks Matrix Effects in LC-MS: Ion Suppression and Enhancement Checks The assessment of extractables and leachables (E&L) is a critical component in the qualification of pharmaceutical packaging and delivery systems. Utilizing Liquid Chromatography-Mass Spectrometry (LC-MS) for this evaluation can yield insights into the compound’s behavior in complex matrices. Understanding matrix effects, specifically…

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Documenting Chain of Custody for E&L Samples

Documenting Chain of Custody for E&L Samples In the pharmaceutical industry, ensuring the safety and efficacy of products is a paramount concern, particularly when it comes to extractables and leachables (E&L) from packaging materials and components. In this extensive guide, we present a comprehensive step-by-step tutorial on documenting the chain of custody for E&L samples, along with essential insights into…

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Method Validation for E&L: Specificity, Sensitivity, and Robustness

Method Validation for E&L: Specificity, Sensitivity, and Robustness Method Validation for E&L: Specificity, Sensitivity, and Robustness In the pharmaceutical industry, ensuring the safety and efficacy of drug products is paramount. One crucial component of this process is the evaluation of extractables and leachables (E&L) from container closure systems and packaging materials. This tutorial provides a comprehensive guide on method validation…

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Sample Prep and Artefacts: Preventing False Positives/Negatives

Sample Prep and Artefacts: Preventing False Positives/Negatives Sample Prep and Artefacts: Preventing False Positives/Negatives In the world of pharmaceuticals, ensuring the quality and safety of products is paramount. Extractables and leachables (E&L) testing is a critical component in determining the potential risks posed by materials that come into contact with drug products. Understanding how to effectively perform sample preparation while…

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