Clinical Data Management (CDM) involves the systematic collection, cleaning, and reporting of data from clinical trials to ensure high quality and integrity for statistical analysis, adhering to FDA and ICH guidelines. Various data collection methods include paper or electronic records, interactive systems, electronic data capture, and direct patient reporting. CDM systems, such as Oracle Clinical and Medidata Rave, are used to manage and analyze data, employing coding and statistical tools to evaluate drug safety and efficacy.