Author: digi

Impact of New Impurity Formation in Long-Term Stability Studies Managing the Impact of New Impurity Formation in Long-Term Stability Studies Long-term stability studies are critical to understanding how a pharmaceutical product degrades over time under recommended storage conditions. Occasionally, these studies reveal the formation of new impurities not observed during accelerated or initial development testing….

Intermediate and Long-Term Stability Testing, Stability Testing Types

Using Statistical Tools to Interpret Accelerated Stability Data

Using Statistical Tools to Interpret Accelerated Stability Data Applying Statistical Tools to Interpret Accelerated Stability Testing Data Accelerated stability studies offer pharmaceutical professionals rapid insight into the degradation behavior of drug products. However, interpreting these studies without robust statistical tools can lead to inaccurate conclusions, flawed shelf-life predictions, and regulatory pushback. This guide explores essential…

Real-Time and Accelerated Stability Studies, Stability Testing Types

Packaging Materials in Controlling Photostability and Humidity in Pharmaceuticals

Packaging Materials in Controlling Photostability and Humidity in Pharmaceuticals How Packaging Materials Impact Photostability and Humidity Control in Pharmaceuticals Introduction The protection of pharmaceuticals from environmental factors is a cornerstone of packaging design. Among the most critical threats to drug stability are exposure to light and moisture—both capable of initiating degradation pathways that compromise safety,…

Impact of Packaging Materials on Photostability and Humidity Control, Pharmaceutical Packaging Stability

Light-Triggered Structural Changes in Biologics

Light-Triggered Structural Changes in Biologics Understanding Light-Induced Structural Changes in Biologics: Risks and Mitigation Biologic drug products—including monoclonal antibodies, peptides, and recombinant proteins—are complex molecules susceptible to structural modifications upon exposure to light. These changes can compromise product efficacy, trigger immunogenic responses, and lead to regulatory challenges. This guide outlines the mechanisms by which light…

Photostability and Oxidative Stability Studies, Stability Testing Types

Fully Validate Stability-Indicating Methods Before Use in Studies

Understanding the Tip: What is a stability-indicating method: A stability-indicating method is an analytical procedure that accurately and specifically measures the active pharmaceutical ingredient (API) without interference from degradation products, excipients, or impurities. Its primary role is to detect changes in the chemical profile of the drug substance or product during stability studies, making it…

Stability Study Tips

Characterization of Degradation Products in Biologics

Characterization of Degradation Products in Biologics Comprehensive Guide to Characterizing Degradation Products in Biologics Degradation products in biologics are critical markers of product stability, safety, and efficacy. Given the structural complexity and sensitivity of protein-based therapeutics, degradation can result from physical, chemical, enzymatic, or environmental factors. Characterizing these degradation products is essential for understanding degradation…

Stability Testing for Biopharmaceuticals, Stability Testing Types

Photolytic Product Formation and Risk Assessment

Photolytic Product Formation and Risk Assessment Assessing Photolytic Product Formation and Risk in Pharmaceutical Formulations Photolytic degradation—the breakdown of drug substances or excipients due to exposure to light—is a critical concern in pharmaceutical development. Exposure to UV or visible radiation can lead to the formation of unexpected degradation products, potentially impacting drug safety, efficacy, and…

Photostability and Oxidative Stability Studies, Stability Testing Types

Regulatory Acceptance of Freeze-Thaw Stability Data

Regulatory Acceptance of Freeze-Thaw Stability Data Regulatory Acceptance of Freeze-Thaw Stability Data in Pharmaceutical Submissions Freeze-thaw stability data are a critical component of pharmaceutical stability programs, particularly for temperature-sensitive products such as biologics, injectables, and vaccines. Regulatory agencies across the globe, including the FDA, EMA, and WHO PQ, expect freeze-thaw studies to support storage claims,…

Freeze-Thaw and Thermal Cycling Studies, Stability Testing Types

Best Practices for Monitoring Frequency in Long-Term Stability Studies

Best Practices for Monitoring Frequency in Long-Term Stability Studies Optimizing Stability Monitoring Frequency in Long-Term Studies: A Guide for Pharma Professionals Stability testing over the long term is a regulatory requirement for assigning and maintaining a product’s shelf life. A key element of successful stability testing is selecting appropriate monitoring frequencies — the intervals at…

Real-Time and Accelerated Stability Studies, Stability Testing Types