The Annual Product Quality Review, or APQR, should be a detailed report summarizing all the factors that contribute to a products quality and ought to be conducted annually. This includes information about the raw materials, packaging materials, data from in-process and finished product testing, deviations, stability study data, change controls, market complaints, and any OOS or failed processes. When performed properly, the APQR can be an important tool for continuous improvement. It takes a well-trained eye to spot subtle changes in the data, but if the appropriate corrective action is implemented early on, it will save you from a lot of trouble in the future. Addis Pharma consultants are experts at data analysis and will not only assist you with the writing your APQR reports but also help you to implement succesful CAPAs if necessary.