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1.
J Oncol Pract ; 15(12): e1028-e1034, 2019 12.
Article in English | MEDLINE | ID: mdl-31373836

ABSTRACT

PURPOSE: Next-generation sequencing (NGS) is increasingly used to identify actionable mutations for oncology treatment. We examined the results and use of NGS assays at our institution. PATIENTS AND METHODS: We retrospectively reviewed the medical records of 305 consecutive patients who had NGS testing of tumor samples from March 2014 to April 2017. NGS was performed by FoundationOne. RESULTS: Of the 305 tissue samples sent to FoundationOne, 189 reports were potentially usable. Of these reports, 76 (40.21%) demonstrated an aberration targetable by on-label therapies and 126 (66.67%) by off-label therapies, and 170 (89.94%) revealed actionable aberrations via all potential avenues, including clinical trials; 21 of these 189 potentially usable reports (11.1%) yielded a change in management, including use of on-label therapies (n = 7), use of off-label therapies (n = 6), enrollment in a clinical trial (n = 6), and discontinuation of a medication with a predicted poor response (n = 3; one report was used twice). For the six patients with off-label use, median duration of treatment was 46 days and discontinued after death (n = 3) or progression (n = 3). CONCLUSION: Only a minority of NGS assay results (6.9% percent of all tests ordered and 11.1% of useable tests) resulted in a management change. A small minority of patients started off-label therapy on the basis of NSG assay results and overall had poor responses to off-label treatment. Although in theory NGS assays may improve oncologic outcomes, the results of our initial 305 patients showed low clinical utility.


Subject(s)
Biomarkers, Tumor/genetics , High-Throughput Nucleotide Sequencing , Neoplasms/genetics , Disease Progression , Female , Humans , Male , Medical Records , Middle Aged , Mutation , Neoplasm Metastasis , Neoplasms/epidemiology , Neoplasms/pathology , Retrospective Studies
2.
Gynecol Oncol Rep ; 27: 60-64, 2019 Feb.
Article in English | MEDLINE | ID: mdl-30723761

ABSTRACT

Ovarian endometrioid adenocarcinoma with yolk sac component has been reported in fewer than twenty cases in the literature. A majority of the diagnoses are described in postmenopausal women without specific reference to germline genetic testing. We describe, to our knowledge, the first case in the English literature of a premenopausal woman that presented with an ovarian endometrioid adenocarcinoma with focal yolk sac component and was subsequently found to have a germline MSH2 mutation confirming a diagnosis of Lynch syndrome. Concurrent diagnosis of ovarian endometrioid adenocarcinoma with yolk sac tumor and Lynch syndrome is an extremely rare finding in a young patient and requires careful follow-up. Genetics evaluation and testing may be reasonable for individuals with this rare or mixed tumor pathology at young age of onset and can have clinical utility in guiding future cancer treatment or surveillance.

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