Reusing clinical trial data to consolidate and advance medical knowledge.

Abstract

While data sharing holds great potential to maximize the value of research and reduce waste, these benefits can only be fully realized if shared data are also effectively reused. Yet, data reuse remains limited, and there is a notable lack of clear guidelines to support data reusers. Reusing existing data enables a wide range of valuable activities, including validating previous findings, identifying errors, conducting individual patient data meta-analyses, performing secondary analyses, and dev