Volume-2 ,Issue-1, January-2026

Patient safety, therapeutic efficacy, and public confidence in healthcare systems depend heavily on pharmaceutical product quality. Despite advances in manufacturing technologies, regulatory frameworks, and quality assurance practices, the pharmaceutical industry continues to face challenges such as contamination, process variability, raw material inconsistencies, formulation instability, substandard products, and human or organizational errors. This review provides a comprehensive analysis of these quality-related issues through illustrative case studies, highlighting their impact on patient safety, regulatory compliance, and corporate reputation. It discusses key strategies to address these challenges, including strengthening quality management systems, implementing advanced manufacturing technologies such as automation and process analytical technology (PAT), enhancing supply chain traceability, harmonizing regulatory standards, and fostering workforce development and a strong culture of quality. Furthermore, emerging trends and future directions, including artificial intelligence, blockchain, Internet of Things (IoT) sensors, and quality concerns associated with personalized medicines, are examined. The review emphasizes international collaboration and proactive, technology-driven approaches to ensure the consistent global supply of safe, effective, and high-quality medicines.

Keyword: Pharmaceutical quality, Good Manufacturing Practices (GMP), quality management systems, supply chain, process analytical technology (PAT).