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Check point inhibitor ovarian

Stefania Bellone, Natalia Buza, Jungmin Choi, Luca Zammataro, Laurie Gay, Julia A Elvin, David L Rimm, Yuting Liu, Elena Ratner, Peter E Schwartz, Alessandro D Santin
PURPOSE: Ovarian carcinoma no longer responsive to surgery and chemotherapy remains an incurable disease. Alternative therapeutic options remain desperately needed. EXPERIMENTAL DESIGN: We describe a heavily pretreated ovarian cancer patient with recurrent disease experiencing a remarkable clinical response to treatment with the anti-PD1 immune check-point inhibitor pembrolizumab. The clinical, pathological, and genomic characteristics of this exceptional ovarian cancer responder were carefully investigated using immunohistochemistry (IHC), quantitative multiplex fluorescence methods (ie, automated quantitative analysis, AQUA) and whole exome sequencing (WES) techniques...
January 19, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Jin Young Kim, Chi Heum Cho, Hong Suk Song
Epithelial ovarian cancer is the eighth most common cause of cancer-related deaths in women because most patients present with advanced stage disease at the time of diagnosis. Although cytoreductive surgery and platinum-based chemotherapy remain the gold standards of treatment, the recurrence rate of ovarian cancer remains high. Attempts to improve this standard two-drug chemotherapy by adding a third cytotoxic drug have failed to affect either progression-free survival or overall survival and have resulted in an increase in toxic side effects...
September 2017: Korean Journal of Internal Medicine
Nicola Hardwick, Paul H Frankel, Mihaela Cristea
The immune system plays an active role in the pathogenesis of ovarian cancer (OC), as well as in the mechanisms of disease progression and overall survival (OS). Immunotherapy in gynecological cancers could help to revert immunosuppression and lymphocyte depletion due to prior treatments. Current immunotherapies for ovarian cancer, like all cancer immunotherapy, are based on either stimulating the immune system or reverting immune suppression. Several approaches have been used, including therapeutic vaccines, monoclonal antibodies; checkpoint inhibitors and adoptive T cell transfer...
March 2016: Current Treatment Options in Oncology
Chrysoula Kitsou, Ioannis Kosmas, Leandros Lazaros, Elissavet Hatzi, Aggelos Euaggelou, Ospan Mynbaev, Herman Tournaye, Nikolaos Prapas, Ioannis Prapas, Konstantinos Zikopoulos, Vasiliki Galani, Ioannis Georgiou
OBJECTIVE: The efficacy of vascular endothelial growth factor (VEGF), COX-2, calcium and aromatase inhibitors in an ovarian hyperstimulation syndrome (OHSS) rat model was tested. METHODS: One hundred and eight female Wistar rats were randomly divided in nine groups. The control group received saline, while the OHSS group received rec-FSH for 4 consecutive days. The other seven groups received rec-FSH (4d) and Bevacizumab twice, Parecoxib daily, Verapamil daily, Parecoxib daily and Bevacizumab twice, Verapamil daily and Bevacizumab twice, Parecoxib and Verapamil daily, Letrozole and Meloxicam daily, respectively...
August 2014: Gynecological Endocrinology
Susana Banerjee, Stanley B Kaye
The treatment of ovarian cancer is set to undergo rapid changes, as strategies incorporating molecular targeted therapies begin to take shape. These are based on a better appreciation of approaches targeting the tumor microenvironment as well as specific subtypes of the disease, with distinct molecular aberrations. Targeting the VEGF pathway through bevacizumab is clearly effective, with positive randomized trials at all disease stages; targeting defective homologous recombination repair pathways with PARP inhibitors is also proving successful in a substantial proportion of patients with high-grade serous ovarian cancer...
March 1, 2013: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Teresa Macarulla, Francisco Javier Ramos, Josep Tabernero
Aurora kinases (AK) are the name given to a family of Serine/threonine (Ser/Thr) protein kinases. These proteins represent a novel family of kinases crucial for cell cycle control. The cell division process is one of the hallmarks of every living organism. Within the complete cell-cycle process, mitosis constitutes one of the most critical steps. The main purpose of mitosis is to segregate sister chromatics into two daughters cells. It is a complex biologic process, and errors in this mechanism can lead to genomic instability, a condition associated with tumorigenesis...
June 2008: Recent Patents on Anti-cancer Drug Discovery
Frank Mayer, Sandra Mueller, Elke Malenke, M Kuczyk, Jörg T Hartmann, Carsten Bokemeyer
BACKGROUND: Germ cell tumours (GCTs) are highly sensitive to cisplatin-based chemotherapy. The inability to arrest the cell cycle at the G1/S-check-point due to a lack of retinoblastoma gene product RB has been suggested as one potential explanation for this feature. Flavopiridol (FP), an inhibitor of cyclin dependent kinases, causes cell cycle arrest or apoptosis depending on the relation of the transcription factor E2F1 and RB. METHODS: The effect of FP was evaluated in GCT-derived cell lines NT2, 2102 EP and NCCIT in comparison to cell lines derived from ovarian cancer (SKOV), breast cancer (MCF7), and cervical cancer (HeLa) using the MTT-assay...
June 2005: Investigational New Drugs
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