Real-World Evidence Acceptability and Use in Breast Cancer Treatment Decision-Making in the United States: Call-to-Action from a Multidisciplinary Think Tank.

Complementing randomized controlled trials, real-world evidence (RWE) from observational analyses can extend clinical insights in oncology. While healthcare stakeholders have published rigorous RWE frameworks and resources, a multidisciplinary think tank was established to further advance acceptance and use of RWE in treatment decision-making, with the focus on breast cancer (while recognizing relevance in oncology more broadly). Members discussed perceptions of RWE from a clinical perspective, across domains of data, methodology, and mindset, and "calls-to-action" for stakeholders. Agreement was reached on a primary "call-to-action," to develop clinically-relevant, patient-informed, real-world endpoints, and secondary "calls-to-action": establish a multidisciplinary consensus forum; publish examples of unique RWE value; build upon existing frameworks and resources; and tailor an approach for exhibiting utility to guideline bodies.