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Pranammya Dey, Angela K. Green, Michael Haddadin, Peter B. Bach, and Aaron P. Mitchell

Background: NCCN produces highly influential disease-specific oncology clinical practice guidelines. Because the number of women in academic oncology has increased, we assessed whether the composition of NCCN Guidelines Panels reflected this trend. Methods: Using historical guidelines requested from NCCN, we investigated time trends for female representation on 21 NCCN Guidelines Panels and analyzed the trends for female-predominant cancers (breast, ovarian, uterine, and cervical) compared with all cancers. Results: From 2013 to 2019, there was an increase from 123 women of 541 total panelists (22.7%) to 175 women of 542 panelists (32.3%). Within the 4 female-predominant cancers, the increase was more rapid: from 30 of 101 total panelists (29.7%) to 66 of 118 panelists (56.4%). Excluding female-predominant cancers, increases were minimal. Conclusions: There could be multiple explanations for these differing trends, including the possibility of more rapid increases in the underlying pool of female physician-scientists in female-predominant specialties or more efforts to increase the representation of women in decisions about the standard of care in cancers predominantly affecting women.

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Angela K. Green, Deborah Korenstein, Carol Aghajanian, Brooke Barrow, Michael Curry, and Roisin E. O’Cearbhaill

Background: This study sought to describe how high- versus low-frequency surveillance imaging practices among providers at Memorial Sloan Kettering Cancer Center (MSKCC) impact overall survival (OS) and time to recurrence of patients with advanced epithelial ovarian cancer in first remission. Methods: The study cohort included patients with stage II–IV high-grade epithelial ovarian cancer diagnosed in January 2001 through January 2017 who experienced recurrence after initial platinum-based chemotherapy. To determine usual imaging practices for providers at MSKCC, median frequency of CT or MRI of the abdomen/pelvis was calculated among patients with a long-term remission (defined as at least 1 year) treated by each provider. Cox proportional hazards models were used to examine differences in OS and time to recurrence among patients treated by providers with high versus low imaging frequency practices, with additional subgroup analysis among patients with elevated CA-125 levels >35 U/mL at diagnosis. Chi-square tests were used to examine differences in the proportion of patients who enrolled in clinical trials or underwent secondary cytoreductive surgery (SCS) by imaging frequency. Results: A total of 543 patients were treated by providers with high imaging frequency (>1 scan every 12 months) and 141 were treated by providers with low imaging frequency (≤1 scan every 12 months). Time to recurrence was shorter among patients treated by providers with high versus low imaging frequency (18.0 vs 19.2 months; hazard ratio, 1.33; P=.003). Results were similar when restricted to patients with elevated CA-125 levels at diagnosis. There was no significant difference in OS, clinical trial enrollment, or SCS by imaging practice. Conclusions: Within the limitations of this retrospective analysis, patients with advanced ovarian cancer treated by high-frequency-imaging providers had earlier detection of recurrence. Future analyses in a larger population are warranted to elucidate the risks versus benefits of surveillance imaging.