Clinical trial transparency is beneficial for patients, researchers, and the general public. However, rapidly evolving regulatory requirements for transparency have increased the information that will be published. Medical writers can play a key role in driving compliance with applicable regulations. This paper provides an overview of transparency regulations and provides some points for medical writers to consider in this rapidly evolving area.   Medical Writing. 2024;33(3):26–33. https://doi.org/10.56012/timm8993