Lanzule is a pharmaceutical company involved in drug safety, including pharmacovigilance, drug discovery, and drug development. It reports to regulatory authorities in Nigeria, Ghana, the EU, and the US. The document discusses the process of evaluating drug safety from pre-clinical trials through post-marketing surveillance. It outlines the changing requirements for documenting pharmacovigilance systems in Europe, including phasing out DDPS in favor of the PSMF. The key aspects of drug safety are assessing safety during development, monitoring adverse events after approval through pharmacovigilance, and reporting any serious safety issues to regulatory authorities.