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The role of real-world evidence (RWE) in regulatory, drug development, and healthcare decision-making is rapidly expanding. Recent advances have increased the complexity of cancer care and widened the gap between randomized clinical trial (RCT) results and the evidence needed for real-world clinical decisions. Instead of remaining invisible, data from the >95% of cancer patients treated outside of clinical trials can help fill this void.
Miksad et al. (2017) studied this question.