The Medical Advisor

Within modern evidence-based medicine, case series and case reports are frequently dismissed as “anecdotal” and therefore regarded as scientifically weak. In oncology in particular, the prevailing paradigm holds that only large randomized controlled trials (RCTs) can establish the validity of a treatment. While such trials are essential for determining the efficacy and safety of a single intervention under controlled conditions, the history of medicine consistently demonstrates that discovery rarely begins with randomization—it begins with observation. Clinicians notice unexpected responses in individual patients; outcomes emerge that defy conventional expectations; and, over time, patterns begin to form. It is also important to recognize the structural limitations of the current research ecosystem. Large RCTs are often impractical for off-label or repurposed strategies, particularly those involving inexpensive agents, dietary interventions, or lifestyle modifications. These approache...