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https://www.readbyqxmd.com/read/27908594/rucaparib-in-relapsed-platinum-sensitive-high-grade-ovarian-carcinoma-ariel2-part-1-an-international-multicentre-open-label-phase-2-trial
#1
Elizabeth M Swisher, Kevin K Lin, Amit M Oza, Clare L Scott, Heidi Giordano, James Sun, Gottfried E Konecny, Robert L Coleman, Anna V Tinker, David M O'Malley, Rebecca S Kristeleit, Ling Ma, Katherine M Bell-McGuinn, James D Brenton, Janiel M Cragun, Ana Oaknin, Isabelle Ray-Coquard, Maria I Harrell, Elaina Mann, Scott H Kaufmann, Anne Floquet, Alexandra Leary, Thomas C Harding, Sandra Goble, Lara Maloney, Jeff Isaacson, Andrew R Allen, Lindsey Rolfe, Roman Yelensky, Mitch Raponi, Iain A McNeish
BACKGROUND: Poly(ADP-ribose) polymerase (PARP) inhibitors have activity in ovarian carcinomas with homologous recombination deficiency. Along with BRCA1 and BRCA2 (BRCA) mutations genomic loss of heterozygosity (LOH) might also represent homologous recombination deficiency. In ARIEL2, we assessed the ability of tumour genomic LOH, quantified with a next-generation sequencing assay, to predict response to rucaparib, an oral PARP inhibitor. METHODS: ARIEL2 is an international, multicentre, two-part, phase 2, open-label study done at 49 hospitals and cancer centres in Australia, Canada, France, Spain, the UK, and the USA...
November 28, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27908593/progress-in-parp-inhibitors-beyond-brca-mutant-recurrent-ovarian-cancer
#2
Antonio González Martín
No abstract text is available yet for this article.
November 28, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27907908/prevalence-and-clinical-significance-of-brca1-2-germline-and-somatic-mutations-in-taiwanese-patients-with-ovarian-cancer
#3
Angel Chao, Ting-Chang Chang, Nina Lapke, Shih-Ming Jung, Peter Chi, Chien-Hung Chen, Lan-Yan Yang, Cheng-Tao Lin, Huei-Jean Huang, Hung-Hsueh Chou, Jui-Der Liou, Shu-Jen Chen, Tzu-Hao Wang, Chyong-Huey Lai
Germline and somatic BRCA1/2 mutations define a subset of patients with ovarian cancer who may benefit from treatment with poly (ADP-ribose) polymerase inhibitors. Unfortunately, data on the frequency of BRCA1/2 germline mutations in Taiwanese patients with ovarian cancer are scarce, with the prevalence of somatic mutations being unknown. We aim to investigate the occurrence of BRCA1/2 mutations in 99 Taiwanese patients with ovarian cancer which included serous (n = 46), endometrioid (n = 24), and clear cell (n = 29) carcinomas...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27907901/serum-amh-levels-in-healthy-women-from-brca1-2-mutated-families-are-they-reduced
#4
Theodora C van Tilborg, Inge A P Derks-Smeets, Anna M E Bos, Jan C Oosterwijk, Ron J van Golde, Christine E de Die-Smulders, Lizet E van der Kolk, Wendy A G van Zelst-Stams, Maria E Velthuizen, Annemieke Hoek, Marinus J C Eijkemans, Joop S E Laven, Margreet G E M Ausems, Frank J M Broekmans
STUDY QUESTION: Do BRCA1/2 mutation carriers have a compromised ovarian reserve compared to proven non-carriers, based on serum anti-Müllerian hormone (AMH) levels? SUMMARY ANSWER: BRCA1/2 mutation carriers do not show a lower serum AMH level in comparison to proven non-carriers, after adjustment for potential confounders. WHAT IS KNOWN ALREADY: It has been suggested that the BRCA genes play a role in the process of ovarian reserve depletion, although previous studies have shown inconsistent results regarding the association between serum AMH levels and BRCA mutation status...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27906166/which-brca-genetic-testing-programs-are-ready-for-implementation-in-health-care-a-systematic-review-of-economic-evaluations
#5
Elvira D'Andrea, Carolina Marzuillo, Corrado De Vito, Marco Di Marco, Erica Pitini, Maria Rosaria Vacchio, Paolo Villari
PURPOSE: There is considerable evidence regarding the efficacy and effectiveness of BRCA genetic testing programs, but whether they represent good use of financial resources is not clear. Therefore, we aimed to identify the main health-care programs for BRCA testing and to evaluate their cost-effectiveness. METHODS: We performed a systematic review of full economic evaluations of health-care programs involving BRCA testing. RESULTS: Nine economic evaluations were included, and four main categories of BRCA testing programs were identified: (i) population-based genetic screening of individuals without cancer, either comprehensive or targeted based on ancestry; (ii) family history (FH)-based genetic screening, i...
December 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27899771/-perspectives-of-individualized-treatment-by-genome-wide-analyses-in-ovarian-cancer
#6
Noriomi Matsumura, Ken Yamaguchi, Ryusuke Murakami, Masaki Mandai, Ikuo Konishi
Genome-wide analyses have recently been reported for ovarian cancer. High-grade serous ovarian carcinoma(HGSOC) almost exclusively harbor TP53 mutations and prominent copy number aberrations. Approximately 20% of HGSOCs harbor BRCA mutations, in which case PARP inhibitors may be effective. HGSOCs are classified into 4 molecular subtypes with distinct histopathological features by transcriptional profiling. These subtypes differ in prognosis and drug sensitivity. Additionally, a whole-genome analysis for HGSOC has revealed various factors that can induce resistance to chemotherapy...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27899185/genetic-predisposition-in-gynecologic-cancers
#7
REVIEW
Molly S Daniels, Karen H Lu
This review article discusses the diagnosis and management of hereditary ovarian cancer and hereditary uterine cancer. The key recommendations highlighted are: All women with high grade non-mucinous epithelial ovarian cancer should be offered at least BRCA1 and BRCA2 genetic testing. The care of women with BRCA-associated ovarian cancer should be tailored to their mutation status. Risk-reducing bilateral salpingo-oophorectomy is recommended for women with BRCA1/2 mutations. Women with endometrial cancer should be assessed for the possibility of Lynch syndrome...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27899183/updates-on-breast-cancer-genetics-clinical-implications-of-detecting-syndromes-of-inherited-increased-susceptibility-to-breast-cancer
#8
REVIEW
Erin F Cobain, Kara J Milliron, Sofia D Merajver
Since the initial discovery that pathogenic germline alterations in BRCA 1/2 increase susceptibility to breast and ovarian cancer, many additional genes have now been discovered that also increase breast cancer risk. Given that several more genes have now been implicated in hereditary breast cancer syndromes, there is increased clinical use of multigene panel testing to evaluate patients with a suspected genetic predisposition to breast cancer. While this is most certainly a cost-effective approach, broader testing strategies have resulted in a higher likelihood of identifying moderate-penetrance genes, for which management guidelines regarding breast cancer risk reduction have not been firmly established...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27898521/pathogenesis-and-heterogeneity-of-ovarian-cancer
#9
Paul T Kroeger, Ronny Drapkin
PURPOSE OF REVIEW: The most common type of ovarian cancer, high-grade serous ovarian carcinoma (HGSOC), was originally thought to develop from the ovarian surface epithelium. However, recent data suggest that the cells that undergo neoplastic transformation and give rise to the majority of HGSOC are from the fallopian tube. This development has impacted both translational research and clinical practice, revealing new opportunities for early detection, prevention, and treatment of ovarian cancer...
November 26, 2016: Current Opinion in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27892998/overall-survival-following-neoadjuvant-chemotherapy-vs-primary-cytoreductive-surgery-in-women-with-epithelial-ovarian-cancer-analysis-of-the-national-cancer-database
#10
J Alejandro Rauh-Hain, Alexander Melamed, Alexi Wright, Allison Gockley, Joel T Clemmer, John O Schorge, Marcela G Del Carmen, Nancy L Keating
Importance: Uncertainty remains about the relative benefits of primary cytoreductive surgery (PCS) vs neoadjuvant chemotherapy (NACT) for advanced-stage epithelial ovarian cancer (EOC). Objective: To compare overall survival of PCS vs NACT in a large national population of women with advanced-stage EOC. Design, Setting, and Participants: Retrospective cohort study of women with stage IIIC and IV EOC diagnosed between 2003 and 2011 treated at hospitals across the United States reporting to the National Cancer Data Base...
November 17, 2016: JAMA Oncology
https://www.readbyqxmd.com/read/27884198/use-of-poly-adp-ribose-polymerase-parp-inhibitors-in-cancer-cells-bearing-ddr-defects-the-rationale-for-their-inclusion-in-the-clinic
#11
REVIEW
Aniello Cerrato, Francesco Morra, Angela Celetti
BACKGROUND: DNA damage response (DDR) defects imply genomic instability and favor tumor progression but make the cells vulnerable to the pharmacological inhibition of the DNA repairing enzymes. Targeting cellular proteins like PARPs, which cooperate and complement molecular defects of the DDR process, induces a specific lethality in DDR defective cancer cells and represents an anti-cancer strategy. Normal cells can tolerate the DNA damage generated by PARP inhibition because of an efficient homologous recombination mechanism (HR); in contrast, cancer cells with a deficient HR are unable to manage the DSBs and appear especially sensitive to the PARP inhibitors (PARPi) effects...
November 24, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27869447/-testing-of-mutations-in-brca1-and-brca2-genes-in-tumor-tissues-possibilities-and-limitations
#12
Hana Vošmiková, Aleš Ryška, Kateřina Sieglová, Jan Laco
Development of targeted cancer therapy is accompanied by a search for markers allowing prediction of response to the particular treatment. Recently, the interest is focused, among other neoplasms, also on the therapy of ovarian cancer using new inhibitors of poly (ADP-ribose) polymerase (PARP) proteins, nuclear enzymes involved in the repair of single-stranded DNA breaks. The greatest benefit from the administration of PARP inhibitors have patients with a deleterious or potentially deleterious germ-line or somatic mutation of BRCA1 or BRCA2, two genes responsible for repair of double stranded DNA breaks...
2016: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/27866793/tracking-the-dissemination-of-a-culturally-targeted-brochure-to-promote-awareness-of-hereditary-breast-and-ovarian-cancer-among-black-women
#13
Courtney Lynam Scherr, Linda Bomboka, Alison Nelson, Tuya Pal, Susan Thomas Vadaparampil
OBJECTIVE: Black women have a higher rate of BRCA1 and BRCA2 (BRCA) mutations, compared with other populations, that increases their risk for hereditary breast and ovarian cancer (HBOC). However, Black women are less likely to know about HBOC and genetic testing. Based on a request from a community advisory panel of breast cancer survivors, community leaders and healthcare providers in the Black community, our team developed a culturally targeted educational brochure to promote awareness of HBOC among Black women...
October 31, 2016: Patient Education and Counseling
https://www.readbyqxmd.com/read/27856924/prevention-of-carboplatin-induced-hypersensitivity-reactions-in-women-with-ovarian-cancer
#14
Katarzyna J Jerzak, Shaidah Deghan Manshadi, Pamela Ng, Manjula Maganti, Jeanna M McCuaig, Marcus Bulter, Amit Oza, Helen J Mackay
BACKGROUND: Carboplatin-based chemotherapy offers high response rates and improved overall survival for women with epithelial ovarian cancer, but its use is limited by the occurrence of hypersensitivity reactions. To evaluate the efficacy of prophylactic diphenhydramine for hypersensitivity reaction prevention, we reviewed the incidence of hypersensitivity reactions and identified patients at high risk of hypersensitivity reactions. METHODS: Women receiving ≥6 cycles of carboplatin-based chemotherapy for epithelial ovarian cancer were identified from our institutional database at the Princess Margaret Cancer Centre...
November 17, 2016: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/27848044/detection-of-false-positive-mutations-in-brca-gene-by-next-generation-sequencing
#15
Moushumi Suryavanshi, Dushyant Kumar, Manoj Kumar Panigrahi, Meenakshi Chowdhary, Anurag Mehta
BRCA1 and BRCA2 genes are implicated in 20-25% of hereditary breast and ovarian cancers. New age sequencing platforms have revolutionized massively parallel sequencing in clinical practice by providing cost effective, rapid, and sensitive sequencing. This study critically evaluates the false positives in multiplex panels and suggests the need for careful analysis. We employed multiplex PCR based BRCA1 and BRCA2 community Panel with ion torrent PGM machine for evaluation of these mutations. Out of all 41samples analyzed for BRCA1 and BRCA2 five were found with 950_951 insA(Asn319fs) at Chr13:32906565 position and one sample with 1032_1033 insA(Asn346fs) at Chr13:32906647, both being frame-shift mutations in BRCA2 gene...
November 15, 2016: Familial Cancer
https://www.readbyqxmd.com/read/27821315/current-perspectives-on-recommendations-for-brca-genetic-testing-in-ovarian-cancer-patients
#16
Ignace Vergote, Susana Banerjee, Anne-Marie Gerdes, Christi van Asperen, Christian Marth, Fatima Vaz, Isabelle Ray-Coquard, Dominique Stoppa-Lyonnet, Antonio Gonzalez-Martin, Jalid Sehouli, Nicoletta Colombo
Traditionally, BRCA genetic testing has been undertaken to identify patients and family members at future risk of developing cancer and patients have been referred for testing based on family history. However, the now recognised risk of ovarian cancer (OC) patients, even those with no known family history, harbouring a mutation in BRCA1/2, together with the first poly adenosine diphosphate ribose polymerase inhibitor (PARPi; olaparib [Lynparza]) being licenced for the treatment of BRCA-mutated OC, has led to reconsideration of referral criteria for OC patients...
November 4, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27819019/olaparib-treatment-for-brca-mutant-ovarian-cancer-with-leptomeningeal-disease
#17
Madeleine Bangham, Robert Goldstein, Henry Walton, Jonathan A Ledermann
•Leptomeningeal disease occurs more commonly in BRCA-mutated ovarian cancer.•A clinically significant dose of olaprib is able to penetrate the leptomeninges.•Leptomeningeal metastases in a BRCA-mutated ovarian cancer responded to olaparib.
November 2016: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/27810860/niraparib-slows-ovarian-cancer-progression
#18
(no author information available yet)
Results from a phase III trial indicate that maintenance therapy with the PARP inhibitor niraparib is more effective than placebo in slowing the progression of recurrent platinum-sensitive ovarian cancer. Improved progression-free survival was seen regardless of the presence or absence of germline BRCA mutations, or of homologous recombination deficiency; however, patients who had these mutations or defective DNA repair did better.
November 3, 2016: Cancer Discovery
https://www.readbyqxmd.com/read/27803593/association-between-basal-like-phenotype-and-brca1-2-germline-mutations-in-korean-breast-cancer-patients
#19
J Jung, E Kang, J M Gwak, A N Seo, S Y Park, A S Lee, H Baek, S Chae, E K Kim, S W Kim
INTRODUCTION: BRCA mutation testing allows index patients and their families to be provided with appropriate cancer risk-reduction strategies. Because of the low prevalence of BRCA mutations in unselected breast cancer patients and the high cost of genetic testing, it is important to identify the subset of women who are likely to carry BRCA mutations. In the present study, we examined the association between BRCA1/2 germline mutations and the immunohistochemical features of breast cancer...
October 2016: Current Oncology
https://www.readbyqxmd.com/read/27793035/performance-of-multiplicom-s-brca-mastr-dx-kit-on-the-detection-of-brca1-and-brca2-mutations-in-fresh-frozen-ovarian-and-breast-tumor-samples
#20
Cindy Badoer, Céline Garrec, Dirk Goossens, Gillian Ellison, John Mills, Mélina Dzial, Hakim El Housni, Sarah Berwouts, Paola Concolino, Virginie Guibert-Le Guevellou, Capucine Delnatte, Jurgen Del Favero, Ettore Capoluongo, Stéphane Bézieau
Next-generation sequencing (NGS) has enabled new approaches for detection of mutations in the BRCA1 and BRCA2 genes responsible for hereditary breast and ovarian cancer (HBOC). The search for germline mutations in the BRCA1 and BRCA2 genes is of importance with respect to oncogenetic and surgical (bilateral mastectomy, ovariectomy) counselling. Testing tumor material for BRCA mutations is of increasing importance for therapeutic decision making as the poly ADP ribose polymerase (PARP) inhibitor, olaparib, is now available to treat patients with specific forms of ovarian cancer and BRCA mutations...
October 25, 2016: Oncotarget
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