Tag: Shelf life extension

Track Stability Commitments for Post-Approval Submissions

Understanding the Tip: Why tracking post-approval stability commitments is critical: After product approval, regulatory authorities often require ongoing stability studies as part of lifecycle maintenance. These commitments may support shelf-life extension, packaging changes, market-specific conditions, or verification of ongoing quality. Failing to track and fulfill these commitments can delay renewals, trigger non-compliance flags, or result…

Stability Study Tips

Regulatory Guidance on Using Re-Test Dates in Global Markets

The pharmaceutical industry often faces a complex regulatory landscape when dealing with re-test periods for APIs and intermediates. While shelf life is fixed for finished drug products, re-test periods allow materials like active substances and intermediates to be retested and reused if they remain within specification. However, the rules around how re-test dates should be…

Re-Test Period vs. Shelf Life in Pharmaceuticals, Shelf Life and Expiry

Regulatory Guidance on Using Re-Test Dates in Global Markets

Re-Test Period vs. Shelf Life in Pharmaceuticals, Shelf Life and Expiry

Include In-Use Stability Studies for Reconstituted and Multidose Formulations

Understanding the Tip: Why in-use studies are essential: In-use stability studies evaluate how a pharmaceutical product performs after it has been opened, reconstituted, or prepared for administration. This simulates real-world usage conditions—where contamination, moisture, or temperature shifts may alter the product’s stability. Such studies are critical for multidose containers, injectables that require dilution, or powders…

Stability Study Tips

Lyophilized vs Liquid Biologics: Stability Considerations

Lyophilized vs Liquid Biologics: Stability Considerations Comparing the Stability of Lyophilized and Liquid Biologic Drug Products Biologic drugs are inherently sensitive to environmental factors like temperature, pH, and agitation. Selecting the right dosage form—lyophilized or liquid—has a profound impact on the stability and viability of these high-value therapies. This tutorial offers a comprehensive comparison of…

Stability Testing for Biopharmaceuticals, Stability Testing Types

Prepare Expiry Justification Reports to Support Regulatory Queries and Renewals

Understanding the Tip: What are expiry justification reports: Expiry justification reports are formal documents that summarize the rationale behind an assigned shelf life. They compile long-term and accelerated stability data, trending analysis, statistical evaluations, and any supportive data from stress or packaging studies. These reports serve as a consolidated reference to answer regulatory questions or…

Stability Study Tips

Bridging Study Strategies Using Accelerated Stability Data

Bridging Study Strategies Using Accelerated Stability Data How to Use Accelerated Stability Data in Bridging Study Strategies Bridging studies are strategic tools in pharmaceutical development and lifecycle management. They help link stability data from one batch or formulation to another, enabling continued product registration or shelf life extension without repeating full stability programs. This guide…

Real-Time and Accelerated Stability Studies, Stability Testing Types

Guide to Conducting Stability Studies on Pharmaceutical Dosage Forms

Follow these instructions to conduct stability studies effectively on various pharmaceutical dosage forms: General Considerations: For each dosage form: Evaluate appearance, assay, and degradation products. Limit degradation product testing for generic products to compendial requirements. Note: The listed tests are not exhaustive. Not every test needs to be included in the stability protocol. Consider safety…

Stability Studies Blog

Stability Studies for Drugs with Low Solubility

Drugs with low solubility present unique challenges in stability studies due to their limited aqueous solubility, which can affect dissolution, bioavailability, and stability under various storage conditions. Conducting stability studies for such drugs requires careful consideration of formulation strategies, analytical methods, and regulatory requirements to ensure accurate assessment of product stability and shelf life. Key…

Stability Studies Blog

Regulatory requirements for stability studies

Regulatory Requirements for Stability Studies in Different Regions Stability studies are an integral part of the drug development process, ensuring the safety, efficacy, and quality of pharmaceutical products throughout their shelf life. Regulatory agencies in different regions, including the United States, Europe, and other countries, have established guidelines and requirements for conducting stability studies to…

Stability Studies Blog