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Assessing the cumulative effect of high-risk factors for disease progression and death on real-world progression-free survival (rwPFS) in patients with advanced ovarian cancer (aOC)

Published

April 2026

Citation

Chase DM, Lim JT, Golembesky AK, et al. Assessing the cumulative effect of high-risk factors for disease progression and death on real-world progression-free survival (rwPFS) in patients with advanced ovarian cancer (aOC). SGO Annual Meeting. 2026.

Overview

In ovarian cancer, a patient’s risk of progression can vary significantly based on specific clinical traits. While individual factors like genetic mutations or surgery outcomes are known to affect prognosis, recent research suggests that looking at these risks in isolation may not provide the full picture of a patient's health journey.

Using the Flatiron Health Research Database, researchers analyzed over 1,000 patients with advanced ovarian cancer who were treated between 2018 and 2024. The study identified three major high-risk factors: lacking a BRCA mutation, having detectable disease remaining after surgery, and achieving only a partial response to first-line platinum-based chemotherapy. The findings showed that the more high-risk factors these patients had, the time that they lived without disease progression decreased significantly.

Why this matters

This research highlights the importance of assessing a patient’s "cumulative risk" rather than focusing on a single factor in isolation. By understanding how these various risks interact in a real-world setting, clinicians can better personalize treatment plans and have more informed conversations with patients about their options. These findings also help the scientific community better understand how real-world patient outcomes compare to results seen in randomized clinical trials.

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