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https://www.readbyqxmd.com/read/28103659/-a-case-of-giant-prostate-carcinoma-effectively-treated-with-external-beam-radiation-therapy
#1
Sohei Kanda, Shintaro Narita, Naoki Komine, Seiichi Kitajima, Misa Yamauchi, Akihiro Sugita, Yutaka Saito, Tomonori Habuchi
We present a case of gigantic prostate tumor in a patient with castration-resistant prostate cancer with successful local control by external-beam radiation therapy. A 71-year-old man was shown to have a prostate specific antigen (PSA)level of 24.5 ng/ml, Gleason 9, cT2N1M1a, prostate adenocarcinoma with an estimated prostate volume of 26.9 g. He achieved a PSA nadir at 4 months after the initial androgen deprivation therapy and was diagnosed with castration-resistant prostate cancer three years later. Eight months after the diagnosis of castration-resistant prostate cancer, he visited our hospital due to urinary retention...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28103656/-investigation-on-clinical-course-of-patients-after-cessation-of-long-term-successful-hormone-monotherapy-for-prostate-cancer
#2
Masahiro Uno, Shinichi Hattori, Seiichi Kato, Naruyasu Masue, Yoshinori Fujimoto
We investigated the clinical course of patients after cessation of long-term successful hormone monotherapyfor prostate cancer. Studysubjects were ten patients with prostate cancer (localized prostate cancer ; n=8, prostate cancer with bone metastasis ; n=2), who had hormone monotherapyfor over seven years, showed no signs of recurrence, and maintained prostatic-specific antigen (PSA) levels of less than the detection sensitivitylimit (<0.01 ng/ml). The mean duration of hormone therapywas 101.1 months, and the mean duration of follow-up observation from cessation of the therapywas 31...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28103574/68ga-psma-11-pet-ct-for-prostate-cancer-staging-and-risk-stratification-in-chinese-patients
#3
Shiming Zang, Guoqiang Shao, Can Cui, Tian-Nv Li, Yue Huang, Xiaochen Yao, Qiu Fan, Zejun Chen, Jin Du, Ruipeng Jia, Hongbin Sun, Zichun Hua, Jun Tang, Feng Wang
We evaluated the clinical utility of 68Ga-PSMA-11 PET/CT for staging and risk stratification of treatment-naïve prostate cancer (PCa) and metastatic castrate-resistant prostate cancer (mCRPC). Twenty-two consecutive patients with treatment-naïve PCa and 18 with mCRPC were enrolled. 68Ga-PSMA-11 PET/CT and magnetic resonance imaging (MRI) were performed for the evaluation of primary prostatic lesions, and bone scans were used for evaluation bone metastasis. Among the 40 patients, 37 (92.5% [22 treatment-naïve PCa, 15 mCRPC]) showed PSMA-avid lesions on 68Ga-PSMA-11 images...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28101887/abiraterone-or-enzalutamide-in-advanced-castration-resistant-prostate-cancer-an-indirect-comparison
#4
Akhil Chopra, Mina Georgieva, Gilberto Lopes, Chong Ming Yeo, Benjamin Haaland
BACKGROUND: To perform a comparative effectiveness analyses between enzalutamide and abiraterone acetate in both the pre-docetaxel and post-docetaxel settings based on published phase III randomized trials. METHODS: The primary measure of efficacy was the posterior probability that enzalutamide outperforms abiraterone acetate (AA) with prednisone in terms of overall survival (OS) on average. Indirect meta-estimates were generated from four randomized studies in the context of a Bayesian hierarchical model with study-specific efficacy estimates meta-analyzed on the log scale...
January 19, 2017: Prostate
https://www.readbyqxmd.com/read/28101618/-neurological-and-psychiatric-journals-during-the-third-reich-national-socialistic-and-racist-contents
#5
D Claus
The aim of this study was to investigate scientific articles in three German journals for national socialist and racist contents. The three journals evaluated for the period of the Third Reich were the Der Nervenarzt, Deutsche Zeitschrift für Nervenheilkunde and the Archiv für Psychiatrie und Nervenkrankheiten. The specialist disciplines of neurology and psychiatry were united in the year 1935 and Ernst Rüdin, a neurological geneticist, was appointed as president (Reichsleiter) of the society. The universal idea of a degenerative development, which was believed to exert a negative influence on public health, was widely accepted in this time period; therefore, in some articles measures were called for, such as termination of pregnancy, sterilization and castration of diseased people and also of criminals...
January 18, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28099809/a-gemcitabine-based-peptide-conjugate-with-improved-metabolic-properties-and-dual-mode-of-efficacy
#6
Theodoros Karampelas, Eleni Skavatsou, Orestis Argyros, Demosthenes Fokas, Constantin Tamvakopoulos
Gemcitabine is a clinically established anticancer agent potent in various solid tumors but limited by its rapid metabolic inactivation and off-target toxicity. We have previously generated a metabolically superior to gemcitabine molecule (GSG) by conjugating gemcitabine to a gonadotropin releasing hormone receptor (GnRH-R) ligand peptide, and showed that GSG was efficacious in a castration resistant prostate cancer (CRPC) animal model. The current manuscript provides an in-depth metabolic and mechanistic study of GSG, coupled with toxicity assays that strengthen the potential role of GSG in the clinic...
January 18, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28097317/surrogate-end-points-for-all-cause-mortality-in-men-with-localized-unfavorable-risk-prostate-cancer-treated-with-radiation-therapy-vs-radiation-therapy-plus-androgen-deprivation-therapy-a-secondary-analysis-of-a-randomized-clinical-trial
#7
Trevor J Royce, Ming-Hui Chen, Jing Wu, Marian Loffredo, Andrew A Renshaw, Philip W Kantoff, Anthony V D'Amico
Importance: Several surrogates for prostate cancer-specific mortality satisfying the Prentice criteria exist, but whether these are surrogates for all-cause mortality, and how their performance compares, is unknown. Objective: To ascertain and compare the performance of 4 candidate surrogates (prostate-specific antigen [PSA] failure, PSA nadir >0.5 ng/mL, PSA doubling time <9 months, and interval to PSA failure <30 months) for all-cause mortality using the proportion of treatment-effect metric...
January 12, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28096932/contemporary-agents-in-the-management-of-metastatic-castration-resistant-prostate-cancer
#8
REVIEW
Anil Kapoor, Christopher Wu, Bobby Shayegan, Adrian P Rybak
Docetaxel-based chemotherapy has been the standard of care for metastatic castration-resistant prostate cancer (mCRPC) since 2004. Over the past few years, there has been a significant paradigm shift in the treatment landscape of this disease. A deeper understanding of prostate cancer biology, along with the development of novel agents has created hope towards treating chemotherapy-naïve and resistant disease. Following the implementation of docetaxel as the first-line therapy for mCRPC, five novel therapies have demonstrated survival benefit in mCRPC...
November 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28095710/the-evolving-role-of-chemotherapy-in-prostate-cancer
#9
Suliman Boulos, Danish Mazhar
Despite extensive clinical research of different chemotherapy agents for more than three decades, the role of chemotherapy in prostate cancer was only established in 2004, after demonstrating a survival benefit with docetaxel in metastatic castration-resistant prostate cancer. 6 years later, second-line chemotherapy using cabazitaxel, after disease progression on docetaxel, demonstrated an additional survival improvement. Recently, docetaxel given alongside standard hormonal therapy in newly diagnosed advanced prostate cancer was found to lead to significantly improved patient outcomes...
January 18, 2017: Future Oncology
https://www.readbyqxmd.com/read/28093150/re-inhibition-of-the-hexosamine-biosynthetic-pathway-promotes-castration-resistant-prostate-cancer
#10
Anthony Atala
No abstract text is available yet for this article.
February 2017: Journal of Urology
https://www.readbyqxmd.com/read/28092728/effect-of-time-interval-between-the-second-improvest%C3%A2-dose-and-slaughter-and-corn-dried-distillers-grains-with-solubles-feeding-strategies-on-carcass-composition-primal-cutout-and-pork-quality-of-immunologically-castrated-pigs
#11
E K Harris, M A Mellencamp, L J Johnston, R B Cox, G C Shurson
Effects of dried distillers grains with solubles (DDGS) feeding strategies on carcass composition, primal cutout, and lean quality of immunologically castrated (IC; n=863) pigs were evaluated, and consisted of: 1) corn-soybean meal (CS) diet (PCon); 2) CS+40% DDGS (NCon); 3) CS+40, 30, 20, or 10% DDGS fed in phases 1 to 4, respectively (SD); or 4) CS+40% DDGS fed in phase 1 to 3 and CS in phase 4 (WD). All pigs received the first dose of Improvest® at 11weeks. of age, and the second dose was administered at either 9, 7, or 5weeks...
January 9, 2017: Meat Science
https://www.readbyqxmd.com/read/28092670/neuropilin-1-is-upregulated-in-the-adaptive-response-of-prostate-tumors-to-androgen-targeted-therapies-and-is-prognostic-of-metastatic-progression-and-patient-mortality
#12
B W C Tse, M Volpert, E Ratther, N Stylianou, M Nouri, K McGowan, M L Lehman, S J McPherson, M Roshan-Moniri, M S Butler, J Caradec, C Y Gregory-Evans, J McGovern, R Das, M Takhar, N Erho, M Alshalafa, E Davicioni, E M Schaeffer, R B Jenkins, A E Ross, R J Karnes, R B Den, L Fazli, P A Gregory, M E Gleave, E D Williams, P S Rennie, R Buttyan, J H Gunter, L A Selth, P J Russell, C C Nelson, B G Hollier
Recent evidence has implicated the transmembrane co-receptor neuropilin-1 (NRP1) in cancer progression. Primarily known as a regulator of neuronal guidance and angiogenesis, NRP1 is also expressed in multiple human malignancies, where it promotes tumor angiogenesis. However, non-angiogenic roles of NRP1 in tumor progression remain poorly characterized. In this study, we define NRP1 as an androgen-repressed gene whose expression is elevated during the adaptation of prostate tumors to androgen-targeted therapies (ATTs), and subsequent progression to metastatic castration-resistant prostate cancer (mCRPC)...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28091810/severe-lead-toxicosis-in-a-lionhead-rabbit
#13
Kristen M Walter, Karyn Bischoff, Ricardo de Matos
INTRODUCTION: Lead toxicosis occurs in veterinary patients, with few reports involving rabbits, and no previous reports using oral calcium disodium EDTA. CASE REPORT: A 7-year-old male castrated Lionhead rabbit presented to the Cornell University Hospital for Animals (CUHA) for evaluation after a 2-day history of lethargy and a 2-week history of hyporexia. The patient had been observed pulling paint from the walls of the home, a house built circa 1900, in the months prior to presentation...
January 13, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28089304/management-of-prostate-cancer-in-elderly-patients-recommendations-of-a-task-force-of-the-international-society-of-geriatric-oncology
#14
REVIEW
Jean-Pierre Droz, Gilles Albrand, Silke Gillessen, Simon Hughes, Nicolas Mottet, Stéphane Oudard, Heather Payne, Martine Puts, Gilbert Zulian, Lodovico Balducci, Matti Aapro
CONTEXT: Prostate cancer is the most frequent male cancer. Since the median age of diagnosis is 66 yr, many patients require both geriatric and urologic evaluation if treatment is to be tailored to individual circumstances including comorbidities and frailty. OBJECTIVE: To update the 2014 International Society of Geriatric Oncology (SIOG) guidelines on prostate cancer in men aged >70 yr. The update includes new material on health status evaluation and the treatment of localised, advanced, and castrate-resistant disease...
January 11, 2017: European Urology
https://www.readbyqxmd.com/read/28088885/-androgen-receptor-mediated-processes-in-castrate-resistant-metastatic-prostate-cancer
#15
Zsófia Küronya, Krisztina Bíró, Fruzsina Gyergyay, Lajos Géczi
In the past six years, five new drugs have been approved by the FDA for the treatment of metastatic castrate-resistant prostate cancer. While the disease itself still remains incurable, the sequential use of these drugs can significantly prolong survival while maintaining good quality of life. Research from the past decade made it clear that androgen receptor-mediated processes play a central part in the progression of the disease. Hormonal mechanisms related to androgen-receptors can remain active until late stages of the disease...
January 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28088416/space-allowance-influences-individually-housed-holstein-bull-calf-innate-immune-measures-and-standing-behaviors-after-castration-at-3-weeks-of-age
#16
M S Calvo-Lorenzo, L E Hulbert, M A Ballou, A L Fowler, Y Luo, K C Klasing, F M Mitloehner
Dairy calves in the Southwest regions of the United States are typically raised individually in wooden hutches with 1.23 m(2) of space. The objective of the study was to determine if increased space allowance in wooden hutches influences measures of innate immunity and behaviors of Holstein bull calves pre- and postcastration. Calves were randomly assigned at 4 d of age to conventional (CONV; 1.23 m(2) of space; n = 18), moderate (MOD; 1.85 m(2) space; n = 17), or maximized space allowance (MAX; 3.71 m(2) space; n = 19) in hutches...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28086774/androgenic-effects-of-aqueous-and-methanolic-extracts-of-ficus-asperifolia-in-male-wistar-rats
#17
Pierre Watcho, Hermine Meli Watio, Modeste Wankeu-Nya, Esther Ngadjui, Patrick Deeh Defo, Pepin Alango Nkeng-Efouet, Telesphore Benoit Nguelefack, Albert Kamanyi
BACKGROUND: Androgen deficiency is a clinical syndrome resulting from the inability of the testes to produce physiological levels of testosterone due to a disturbance occurring at one or more levels of the hypothalamic-pituitary-testicular axis. The present study was undertaken to evaluate the androgenic properties of aqueous and methanolic extracts of Ficus asperifolia on normal and castrated immature rats. METHODS: Normal rats were treated either per os with aqueous or methanolic extract of Ficus asperifolia (100 mg/kg or 500 mg/kg b...
January 13, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28077788/androgen-receptor-splice-variants-and-prostate-cancer-from-bench-to-bedside
#18
REVIEW
Kristine M Wadosky, Shahriar Koochekpour
Therapeutic interventions for advanced prostate cancer (PCa) center on inhibiting androgen receptor (AR) and downstream signaling pathways. Resistance to androgen deprivation therapy and/or AR antagonists is inevitable and molecular mechanisms driving castration-resistant PCa (CR-PCa) primarily involve alterations in AR expression and activity. Detailed molecular biology work over the past decade, discussed at length in this review article, has revealed several AR transcripts that result from alternative splicing...
January 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28074389/cochlear-epithelial-of-dog-fetuses-a-new-source-of-multipotent-stem-cells
#19
Ana Carolina M Santos, Jéssica Borghesi, Lara Carolina Mario, Adriana Raquel A Anunciação, Andrea Maria Mess, Ana Claudia O Carreira, Phelipe O Favaron, Maria Angélica Miglino
Hearing loss caused by the damage of cochlea sensory cells or neurons is a common human disease, but also affects dogs and other animals. To test their progenitor nature as potential value for future therapies, we characterized cells derived from the cochlear epithelium in dog fetuses. In total, 8 fetuses of 35-40 days of gestation, derived from castration campaigns, were investigated. Cells were analysed by the MTT colorimetric assay and in regard to cell cycle, differentiation capacities, immunophenotypes and qPCR analysis...
January 10, 2017: Cytotechnology
https://www.readbyqxmd.com/read/28074331/a-retrospective-analysis-of-the-first-41-mcrpc-patients-with-bone-pain-treated-with-radium-223-at-the-national-institute-of-oncology-in-hungary
#20
Zs Küronya, I Sinkovics, P Ágoston, K Bíró, I Bodrogi, I Böde, M Dank, F Gyergyay, T Vajdics, Zs Kolonics, K Nagyiványi, Á Rúzsa, L Géczi
Radium-223 dichloride is an alpha-emitting radiopharmaceutical which significantly prolongs overall survival in patients with castration-resistant prostate cancer (CRPC) and symptomatic bone metastases. This was a retrospective analysis of the efficacy and safety of Radium-223 in the first 41 patients treated at a single center in Hungary. Radium-223 was given at a dose of 50 kBq/kg intravenously every 4 weeks for up to 6 cycles. Between 23rd July 2014 and 23rd February 2016, 41 patients were treated. Patient demographics, laboratory values, treatment outcomes and adverse events were collected from medical records...
January 10, 2017: Pathology Oncology Research: POR
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