The document provides an overview of key concepts in current good manufacturing practices (cGMP) for pharmaceuticals and medical devices. It discusses cGMP principles such as building quality into products through controls and preventing contamination. Key cGMP elements covered include facilities and equipment design, cleaning and sanitation programs, change control systems, process validation, and corrective and preventive action systems. The roles of quality control and quality assurance are defined. Regulations for drugs, devices, combination products, and investigational products are summarized. [END SUMMARY]