Initiation of a formalized precision medicine program in gyn oncology (single institution study) Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Monday, March 28, 2016

Initiation of a formalized precision medicine program in gyn oncology (single institution study)



abstract

OBJECTIVE:

In an effort to better incorporate precision medicine into clinical practice, we initiated a pilot project to screen, discuss, and genetically characterize patients with metastatic or recurrent gynecologic malignancies for whom no curative standard of care exists.

METHODS:

In 7/2014, we initiated a multi-disciplinary Precision Medicine Board (PMB) whose purpose was to apply molecular profiling to select and prioritize early phase clinical trial enrollment for high-risk gynecologic malignancies. Additional objectives were to record outcomes and enable scientific discussions of mutations which may foster local translational research. FoundationOne was the preferred genomic platform; results were reviewed by a team comprised of disease site specialists, phase I trialists, and basic and translational scientists affiliated with the Gynecologic Cancer Program. A detailed database for each patient was created and is followed prospectively for treatment use and resultant outcomes.

RESULTS:

To date, we have presented 62 cases with interpretable FoundationOne testing on 60 tumor samples (31 ovarian, 18 uterine, 9 cervical, and 4 other female genital tract). Significant genomic alterations were commonly found in all tumor types (median: 3); TP53 (45%) and PIK3CA (27%) were the most frequently noted mutations; however, molecular profiling resulted in identification of few actionable mutations (6%). To date, we have matched 4 patients on therapies based on actionable mutations.

CONCLUSIONS:

The predominant function of our PMB is establishment of a forum to enhance research while providing clinical care for refractory malignancies. We have matched patients with specific mutations to ongoing trials and are developing investigator-initiated studies based on trends within genomic profiling results. Longer-term follow up will be required to determine the success of this strategy.

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