Abstract 3183: Delivery of point-of-care management to patients with gynecologic malignancies using comprehensive genomic profiling
2016
INTRODUCTION: Gynecologic cancers were estimated to occur in 98,280 women in 2015 in the United States and result in 30,440 deaths (Siegel 2015). The most common forms of gynecologic cancers occur in the ovary and uterine corpus (Siegel, 2015). Various reasons for poor outcome in these cancers include the late stage of the disease at the time of diagnosis and therapy resistance. We sought to elucidate alternate treatment avenues based on the genomic profiles of recalcitrant or rare gynecologic tumors. In the process, we aim to determine both the clinical utility and the feasibility of using comprehensive genomic profiling (CGP) during clinical care to identify clinically relevant tumor genomic alterations for these patients while enabling point-of-care management. METHODS: As part of our ongoing prospective clinical trial, we report on the initial 69 patients with gynecologic cancers that were refractory to standard therapy. CGP was performed by Foundation Medicine, Inc. Genomic mutations and alterations were reviewed by members of an expert, multidisciplinary institutional molecular tumor board (MTB). Consensus recommendations by the MTB were provided to the treating physician on genomically targeted, clinically relevant, FDA-approved, on- and off-label therapies and clinical trials. The outcomes were assessed. RESULTS: Study outcomes were available for 64 patients. On average, patients had 4.97 genomic alterations per tumor (range 1-46), while the time from the testing laboratory report to the formulation of recommendations by the MTB was approximately 3-4 weeks. Targeted treatment options were recommended by the MTB for 93% of patients; 39% of these patients had the MTB-based recommendations implemented by the treating physician. A response or clinical benefit was seen in 56% of the patients receiving MTB-based targeted therapy. CONCLUSION: These data suggest that alternatives to standard therapies for recalcitrant gynecologic cancers can be found though CGP and subsequent analysis from members of an expert, multidisciplinary institutional MTB. The formulation of clinical recommendations by an MTB based on tumor genomic profiling results is a feasible option. Further research is needed to understand how this approach shapes clinical decision making. Citation Format: Lorna Rodriguez-Rodriguez, Kim M. Hirshfield, Veronica Rojas, Siraj Ali, Robert S. DiPaola, Darlene Gibbon, Sara Isani, Aliza Leiser, Gregory M. Riedlinger, Shridar Ganesan. Delivery of point-of-care management to patients with gynecologic malignancies using comprehensive genomic profiling. [abstract]. In: Proceedings of the 107th Annual Meeting of the American Association for Cancer Research; 2016 Apr 16-20; New Orleans, LA. Philadelphia (PA): AACR; Cancer Res 2016;76(14 Suppl):Abstract nr 3183.
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