Author: digi

Regulatory Review of Novel Packaging Materials

The pharmaceutical industry is constantly innovating, including in the realm of packaging materials. As companies explore sustainable, smart, and composite packaging technologies, regulatory scrutiny becomes essential. This article outlines how agencies like the USFDA, EMA, and CDSCO evaluate novel packaging materials submitted in drug product applications. What Constitutes a Novel Packaging Material? A packaging material…

Packaging and Containers, Packaging Materials Impact on Stability Testing

Ensure Availability of Reference Standards Across the Full Study Period

Understanding the Tip: Why uninterrupted access to reference standards is critical: Stability studies often span multiple years, and consistency in analytical testing is essential. Reference standards—whether primary (e.g., compendial) or secondary (working standards)—form the foundation of accuracy and precision in assay, impurity, and identification testing. Using different lots of standards without bridging studies or requalification…

Stability Study Tips

Understanding the Effect of Packaging Layers on Stability Performance

Pharmaceutical packaging is more than a shell—it’s a scientifically engineered multi-layer structure designed to protect the product’s quality throughout its lifecycle. Each layer plays a critical role in preserving the integrity, potency, and safety of the drug. In this tutorial, we explore how packaging layers affect stability performance and how to evaluate them during stability…

Packaging and Containers, Packaging Materials Impact on Stability Testing

Writing a Justification for Packaging Selection in Stability Protocols

In pharmaceutical development, packaging is more than a protective barrier—it’s a regulatory requirement. When preparing a stability study, you must clearly justify the packaging configuration used. Regulators expect a scientific rationale detailing how the selected packaging ensures product quality over the claimed shelf life. This tutorial outlines how to write an effective justification that aligns…

Packaging and Containers, Packaging Materials Impact on Stability Testing

Tools and Instruments Used for Packaging Evaluation in Stability Studies

In pharmaceutical stability studies, the integrity and performance of the packaging system are as crucial as the formulation itself. Evaluating packaging through specialized tools and instruments ensures that it continues to protect the drug product throughout its shelf life. This tutorial walks you through the essential instruments used for assessing packaging materials, seal integrity, and…

Packaging and Containers, Packaging Materials Impact on Stability Testing

Track CO₂-Sensitive Formulations Separately in Stability Programs

Understanding the Tip: Why CO₂ exposure can affect pharmaceutical formulations: Some pharmaceutical formulations—particularly aqueous solutions, suspensions, and biologics—are sensitive to carbon dioxide (CO₂) permeation. CO₂ can dissolve into the product matrix, forming carbonic acid and leading to pH shifts, degradation of excipients, or precipitation. This is especially true for unbuffered or lightly buffered solutions, where…

Stability Study Tips

Packaging and Photostability: Light Barrier Materials Explained

Photostability is a critical quality attribute for light-sensitive pharmaceuticals. Exposure to light—especially UV and visible light—can cause photodegradation, impacting potency, safety, and shelf life. Therefore, the selection of packaging materials with effective light barrier properties is essential in stability testing and commercial distribution. Why Light Protection in Packaging Is Essential Light-sensitive drugs degrade through oxidation,…

Packaging and Containers, Packaging Materials Impact on Stability Testing

ICH Q1A Expectations for Packaging in Stability Studies

Packaging plays a vital role in pharmaceutical stability testing, and global regulators require clear justification of the container closure system used. ICH Q1A(R2) provides a framework for stability studies, including guidance on how packaging must reflect commercial configurations. This regulatory-focused article explores the expectations from ICH Q1A, how to comply with them, and what information…

Packaging and Containers, Packaging Materials Impact on Stability Testing

Comparison of Packaging Types for Liquid vs. Solid Oral Dosage Forms in Stability Testing

In pharmaceutical development, packaging selection is closely tied to the dosage form and its stability characteristics. Liquid and solid oral dosage forms present distinct challenges in terms of permeability, compatibility, and container closure requirements. This tutorial outlines key considerations, regulatory expectations, and comparative evaluation methods when selecting packaging for different dosage forms in stability testing….

Packaging and Containers, Packaging Materials Impact on Stability Testing

Include Humidity Buffering Agents in Packaging for Moisture-Sensitive Products

Understanding the Tip: Why moisture control is essential for certain formulations: Moisture-sensitive pharmaceutical products—such as hygroscopic APIs, effervescent tablets, lyophilized injectables, and some biologics—are highly vulnerable to humidity-induced degradation. Exposure to even low levels of ambient moisture can lead to hydrolysis, crystallization, microbial growth, or changes in appearance. Including humidity buffering agents like desiccants or…

Stability Study Tips