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mCRPC

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https://www.readbyqxmd.com/read/27916908/epidermal-growth-factor-receptor-status-in-circulating-tumor-cells-as-a-predictive-biomarker-of-sensitivity-in-castration-resistant-prostate-cancer-patients-treated-with-docetaxel-chemotherapy
#1
Takatsugu Okegawa, Naoshi Itaya, Hidehiko Hara, Mitsuhiro Tambo, Kikuo Nutahara
OBJECTIVE: We examined whether epidermal growth factor receptor (EGFR) expression in circulating tumor cells (CTCs) can be used to predict survival in a population of bone-metastatic castration-resistant prostate cancer (mCRPC) patients treated with docetaxel chemotherapy. METHODS: All patients with mCRPC who had experienced treatment failure with androgen-deprivation therapy and had received docetaxel chemotherapy were eligible. CTCs and EGFR expression in CTCs were enumerated with the CellSearch System in whole blood...
November 30, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27911459/evaluation-of-bone-metastases-by-18f-choline-pet-ct-in-a-patient-with-castration-resistant-prostate-cancer-treated-with-radium-223
#2
Piera Scalzi, Cinzia Baiocco, Sabrina Genovese, Antonella Trevisan, Zuzana Sirotova, Carlo Poti
BACKGROUND: To date, bone metastases remain the main cause of morbidity and mortality in patients with metastatic castration-resistant prostate cancer (mCRPC). Therefore, the combination of accurate early detection of bony disease and effective treatment of these lesions is crucial in the management of mCRPC patients, but clinical trials specifically designed to test novel approaches are currently lacking. CASE DESCRIPTION: This report describes the case of a 74-year-old male with bone mCRPC and symptomatic and biochemical progression, who underwent radium-223 therapy, following previous treatment failure...
December 2, 2016: Urologia
https://www.readbyqxmd.com/read/27892725/investigational-serine-threonine-kinase-inhibitors-against-prostate-cancer-metastases
#3
Claudio Festuccia
INTRODUCTION: Androgen deprivation therapy (ADT) is used as first therapeutic approach in prostate cancer (PCa) although castration resistant disease (CRPC) develops with high frequency. CRPC is the consequence of lack of apoptotic responses to ADT. Alternative targeting of the androgen axis with abiraterone and enzalutamide, as well as taxane-based chemotherapy were used in CRPC. Serine/threonine protein kinases (STKs) regulate different molecular pathways of normal and neoplastic cells and participate to development of CRPC as well as to the progression towards a bone metastatic disease (mCRPC)...
November 28, 2016: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/27889882/true-incidence-of-gleason-6-pathology-in-patients-with-metastatic-castration-resistant-prostate-cancer-mcrpc
#4
Alena Böker, Markus A Kuczyk, Mario W Kramer, Axel S Merseburger, Katharina Krüger, Florian Imkamp, Christoph A von Klot
INTRODUCTION: Recent evidence from histology studies regarding random prostate biopsies hint toward a relationship between higher biopsy Gleason score and the development of metastatic castration resistant prostate cancer (mCRPC). However, prostate biopsy underestimates final pathology in about one-third of patients. We evaluated the final whole gland pathology from radical prostatectomy exclusively in order to assess the true risk of progressing to the mCRPC state for patients with confirmed Gleason ≤6 prostate cancer...
November 26, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27885457/-psma-targeted-radioligand-therapy-in-prostate-cancer
#5
M M Heck, M Retz, R Tauber, K Knorr, C Kratochwil, M Eiber
Radioligand therapy (RLT) directed against prostate-specific membrane antigen (PSMA) enables tumor-specific treatment directed against PSMA-overexpressing prostate cancer cells. Several PSMA ligands such as PSMA-617 or PSMA-I&T have been developed that can be labeled with β‑radiating lutetium-177. These are currently applied in compassionate use programs to treat metastatic castration-resistant prostate cancer (mCRPC). PSMA-directed RLT is currently being offered in several nuclear medicine departments throughout Germany...
November 24, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27878318/-corticosteroids-in-the-management-of-advanced-prostate-cancer
#6
H Kübler
Corticosteroids have been widely used for decades in cancer therapy, predominantly due to their anti-inflammatory activity. In the treatment of metastatic castration-resistant prostate cancer (mCRPC), corticosteroids play an important role both in the management of tumor-related symptoms, especially bone metastasis-related pain, and as concomitant treatment to counteract side effects associated with approved active prostatic anticancer agents such as docetaxel, cabazitaxel, and abiraterone acetate. In association with abiraterone acetate, low-dose corticosteroids (prednisone or prednisolone) reduce the mineralocorticoid side effects of abiraterone...
November 22, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27875103/diffusion-weighted-imaging-as-a-treatment-response-biomarker-for-evaluating-bone-metastases-in-prostate-cancer-a-pilot-study
#7
Raquel Perez-Lopez, Joaquin Mateo, Helen Mossop, Matthew D Blackledge, David J Collins, Mihaela Rata, Veronica A Morgan, Alison Macdonald, Shahneen Sandhu, David Lorente, Pasquale Rescigno, Zafeiris Zafeiriou, Diletta Bianchini, Nuria Porta, Emma Hall, Martin O Leach, Johann S de Bono, Dow-Mu Koh, Nina Tunariu
Purpose To determine the usefulness of whole-body diffusion-weighted imaging (DWI) to assess the response of bone metastases to treatment in patients with metastatic castration-resistant prostate cancer (mCRPC). Materials and Methods A phase II prospective clinical trial of the poly-(adenosine diphosphate-ribose) polymerase inhibitor olaparib in mCRPC included a prospective magnetic resonance (MR) imaging substudy; the study was approved by the institutional research board, and written informed consent was obtained...
November 22, 2016: Radiology
https://www.readbyqxmd.com/read/27863438/immunohistochemical-staining-of-erg-and-sox9-as-potential-biomarkers-of-docetaxel-response-in-patients-with-metastatic-castration-resistant-prostate-cancer
#8
Wan Song, Ghee Young Kwon, Jeong Hoon Kim, Joung Eun Lim, Hwang Gyun Jeon, Seong Il Seo, Seong Soo Jeon, Han Yong Choi, Byong Chang Jeong, Hyun Moo Lee
We aimed to evaluate ERG and SOX9 as potential biomarkers of docetaxel response in metastatic castration-resistant prostate cancer (mCRPC) patients. Seventy-one mCRPC patients were evaluated. Tissue microarrays were constructed and immunohistochemistry was performed. Treatment response was assessed by prostate specific antigen (PSA) response rate, PSA progression-free survival (PSA-PFS), clinical/radiologic PFS (C/R-PFS) and overall survival (OS). ERG and SOX9 were found in 13 (18.3%) and 62 (87.3%) patients, respectively...
November 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27862097/phase-ib-trial-of-cabazitaxel-and-tasquinimod-in-men-with-heavily-pretreated-metastatic-castration-resistant-prostate-cancer-mcrpc-the-catch-trial
#9
Andrew J Armstrong, Michael S Humeniuk, Patrick Healy, Russell Szmulewitz, Carolyn Winters, Julie Kephart, Michael R Harrison, Elia Martinez, Kelly Mundy, Susan Halabi, Daniel George
BACKGROUND: Tasquinimod is an immunomodulating and anti-antiangiogenic oral agent with anti-prostate cancer activity in preclinical studies and in clinical trials of men with metastatic castration resistant prostate cancer (mCRPC), including single agent activity and in combination with taxanes. We sought to identify the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of tasquinimod in combination with cabazitaxel and prednisone in men with chemorefractory mCRPC. METHODS: Men with mCRPC who had failed prior docetaxel chemotherapy received cabazitaxel 25 mg/m(2) every 3 weeks with oral tasquinimod at 1 of 3 escalating dose levels (0...
November 16, 2016: Prostate
https://www.readbyqxmd.com/read/27851748/chromosomal-instability-estimation-based-on-next-generation-sequencing-and-single-cell-genome-wide-copy-number-variation-analysis
#10
Stephanie B Greene, Angel E Dago, Laura J Leitz, Yipeng Wang, Jerry Lee, Shannon L Werner, Steven Gendreau, Premal Patel, Shidong Jia, Liangxuan Zhang, Eric K Tucker, Michael Malchiodi, Ryon P Graf, Ryan Dittamore, Dena Marrinucci, Mark Landers
Genomic instability is a hallmark of cancer often associated with poor patient outcome and resistance to targeted therapy. Assessment of genomic instability in bulk tumor or biopsy can be complicated due to sample availability, surrounding tissue contamination, or tumor heterogeneity. The Epic Sciences circulating tumor cell (CTC) platform utilizes a non-enrichment based approach for the detection and characterization of rare tumor cells in clinical blood samples. Genomic profiling of individual CTCs could provide a portrait of cancer heterogeneity, identify clonal and sub-clonal drivers, and monitor disease progression...
2016: PloS One
https://www.readbyqxmd.com/read/27846936/-ccafu-french-national-guidelines-2016-2018-on-prostate-cancer
#11
F Rozet, C Hennequin, J-B Beauval, P Beuzeboc, L Cormier, G Fromont, P Mongiat-Artus, A Ouzzane, G Ploussard, D Azria, I Brenot-Rossi, G Cancel-Tassin, O Cussenot, T Lebret, X Rebillard, M Soulié, R Renard-Penna, A Méjean
OBJECTIVES: The purpose of the guidelines national committee CCAFU was to propose updated french guidelines for localized and metastatic prostate cancer (PCa). METHODS: A Medline search was achieved between 2013 and 2016, as regards diagnosis, options of treatment and follow-up of PCa, to evaluate different references with levels of evidence. RESULTS: Epidemiology, classification, staging systems, diagnostic evaluation are reported. Disease management options are detailed...
November 2016: Progrès en Urologie
https://www.readbyqxmd.com/read/27843608/single-institution-long-term-efficacy-and-safety-analysis-of-abiraterone-acetate-aa-in-the-treatment-of-patients-with-metastatic-castration-resistant-prostate-cancer-mcrpc-in-a-named-patient-programme-npp
#12
https://www.readbyqxmd.com/read/27843209/radioisotopes-in-management-of-metastatic-prostate-cancer
#13
REVIEW
Amar Raval, Tu D Dan, Noelle L Williams, Andrew Pridjian, Robert B Den
INTRODUCTION: Metastatic prostate cancer continues to be a leading cause of morbidity and mortality in men with prostate cancer. Over the last decade, the treatment landscape for patients with castrate-resistant disease has drastically changed, with several novel agents demonstrating an improvement in overall survival in large, multi-institutional randomized trials. Traditional treatment with radioisotopes has largely been in the palliative setting. However, the first in class radiopharmaceutical radium-223 has emerged as the only bone-directed treatment option demonstrating an improvement in overall survival...
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27832783/mir-375-induces-docetaxel-resistance-in-prostate-cancer-by-targeting-sec23a-and-yap1
#14
Yuan Wang, Rachel Lieberman, Jing Pan, Qi Zhang, Meijun Du, Peng Zhang, Marja Nevalainen, Manish Kohli, Niraj K Shenoy, Hui Meng, Ming You, Liang Wang
BACKGROUND: Treatment options for metastatic castrate-resistant prostate cancer (mCRPC) are limited and typically are centered on docetaxel-based chemotherapy. We previously reported that elevated miR-375 levels were significantly associated with poor overall survival of mCRPC patients. In this study, we evaluated if miR-375 induced chemo-resistance to docetaxel through regulating target genes associated with drug resistance. METHODS: We first compared miR-375 expression level between prostate cancer tissues and normal prostate tissues using data from The Cancer Genome Atlas (TCGA)...
November 10, 2016: Molecular Cancer
https://www.readbyqxmd.com/read/27826729/pharmacodynamic-study-of-the-oral-hedgehog-pathway-inhibitor-vismodegib-in-patients-with-metastatic-castration-resistant-prostate-cancer
#15
Benjamin L Maughan, Daniel L Suzman, Brandon Luber, Hao Wang, Stephanie Glavaris, Robert Hughes, Rana Sullivan, Rana Harb, Karim Boudadi, Channing Paller, Mario Eisenberger, Angelo Demarzo, Ashely Ross, Emmanuel S Antonarakis
PURPOSE: Hedgehog (Hh) pathway signaling has been implicated in prostate cancer tumorigenesis and metastatic development and may be upregulated even further in the castration-resistant state. We hypothesized that antagonism of the Hh pathway with vismodegib in men with metastatic castration-resistant prostate cancer (mCRPC) would result in pathway engagement, inhibition and perhaps induce measurable clinical responses in patients. METHODS: This is a single-arm study of oral daily vismodegib in men with mCRPC...
November 8, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27822685/sequencing-treatment-for-castration-resistant-prostate-cancer
#16
REVIEW
Catherine E Handy, Emmanuel S Antonarakis
Prostate cancer is the most common non-cutaneous cancer diagnosed in men and the second leading cause of male cancer deaths in the USA. While most cases are diagnosed in early stages, some will present as or progress to metastatic disease and eventually castration-resistant prostate cancer (mCRPC) which has a mortality rate exceeding 50 %. There are currently six approved systemic life-prolonging therapies for use in mCRPC, yet little data to guide sequencing. Clinical factors, including the presence or absence of symptoms and the presence or absence of visceral metastases, should help determine the best therapeutic choice at each treatment node...
December 2016: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/27797362/prostate-cancer-what-is-the-optimal-treatment-sequence-for-mcrpc
#17
Oliver Sartor
No abstract text is available yet for this article.
October 31, 2016: Nature Reviews. Urology
https://www.readbyqxmd.com/read/27796762/new-biomarkers-for-selecting-the-best-therapy-regimens-in-metastatic-castration-resistant-prostate-cancer
#18
Isabel Heidegger, Axel Heidenreich, David Pfister
Prostate cancer is the most common cancer in men. In recent years, several new targeted therapeutic agents for the treatment of metastatic castration resistant prostate cancer (mCRPC) have been developed. These include androgen receptor targeting agents, new taxanes, radium-223, and immunotherapies. In this short review, we provide a summary of clinical and preclinical biomarkers for each of these new treatment strategies, also including new markers currently presented in conference papers only. Moreover, we address the role of these biomarkers in clinical routine with the aim to select best-personalized treatment strategies for patients...
October 27, 2016: Targeted Oncology
https://www.readbyqxmd.com/read/27793943/consequences-of-an-early-psa-response-to-enzalutamide-treatment-for-japanese-patients-with-metastatic-castration-resistant-prostate-cancer
#19
Haruo Kato, Yosuke Furuya, Yoshiyuki Miyazawa, Takeshi Miyao, Takahiro Syuto, Masashi Nomura, Yoshitaka Sekine, Hidekazu Koike, Hiroshi Matsui, Yasuhiro Shibata, Kazuto Ito, Kazuhiro Suzuki
BACKGROUND/AIM: Recent studies have shown that an early prostate-specific antigen (PSA) response to androgen receptor (AR)-targeting agents in metastatic castration-resistant prostate cancer (mCRPC) is associated with a better prognosis. We analyzed early PSA response to enzalutamide and oncological outcomes to study their prognostic significance in the Japanese population. PATIENTS AND METHODS: Fifty-one patients with mCRPC (26 of pre-docetaxel and 25 of post-docetaxel status) were treated with enzalutamide...
November 2016: Anticancer Research
https://www.readbyqxmd.com/read/27790145/systemic-immune-inflammation-index-predicts-the-clinical-outcome-in-patients-with-mcrpc-treated-with-abiraterone
#20
Cristian Lolli, Orazio Caffo, Emanuela Scarpi, Michele Aieta, Vincenza Conteduca, Francesca Maines, Emanuela Bianchi, Francesco Massari, Antonello Veccia, Vincenzo E Chiuri, Gaetano Facchini, Ugo De Giorgi
Background: A systemic immune-inflammation index (SII) based on neutrophil (N), lymphocyte (L), and platelet (P) counts has shown a prognostic impact in several solid tumors. The aim of this study is to evaluate the prognostic role of SII in metastatic castration-resistant prostate cancer (mCRPC) patients treated with abiraterone post docetaxel. Patients and Methods: We retrospectively reviewed consecutive mCRPC patients treated with abiraterone after docetaxel in our Institutions. X-tile 3.6.1 software, cut-off values of SII, neutrophil-to-lymphocyte ratio (NLR) defined as N/L and platelets-to-lymphocyte ratio (PLR) as P/L...
2016: Frontiers in Pharmacology
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