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https://read.qxmd.com/read/30763940/low-preoperative-prolactin-levels-predict-non-organ-confined-prostate-cancer-in-clinically-localized-disease
#1
Antonio Benito Porcaro, Alessandro Tafuri, Marco Sebben, Giovanni Cacciamani, Claudio Ghimenton, Matteo Brunelli, Aldo Petrozziello, Carmelo Monaco, Filippo Migliorini, Salvatore Siracusano, Walter Artibani
INTRODUCTION: To evaluate the association between preoperative serum prolactin (PRL) levels and risk of non-organ confined prostate cancer (PCa) in clinically localized disease. MATERIALS AND METHODS: From December 2007 to December 2011, 124 patients with clinically localized PCa were retrospectively evaluated. Non-organ confined disease in the surgical specimen was defined according to extra-capsular extension, seminal vesicle invasion, positive surgical margins, and lymph node invasion...
February 14, 2019: Urologia Internationalis
https://read.qxmd.com/read/30763921/androgen-receptor-nuclear-localization-correlates-with-ar-v7-mrna-expression-in-circulating-tumor-cells-ctcs-from-metastatic-castration-resistance-prostate-cancer-patients
#2
Daniel Worroll, Giuseppe Galletti, Ada Gjyrezi, David Nanus, Scott T Tagawa, Paraskevi Giannakakou
Androgen receptor (AR) signaling drives prostate cancer (PC) progression and remains active upon transition to castration resistant prostate cancer (CRPC). Active AR signaling is achieved through the nuclear accumulation of AR following ligand binding and through expression of ligand-independent, constitutively active AR splice variants, such as AR-V7, which is the most commonly expressed variant in metastatic CRPC patients. Most currently approved PC therapies aim to abrogate AR signaling and activity by inhibiting this ligand-mediated nuclear translocation...
February 14, 2019: Physical Biology
https://read.qxmd.com/read/30763884/discovery-of-novel-chalcone-dithiocarbamates-as-ros-mediated-apoptosis-inducers-by-inhibiting-catalase
#3
Dong-Jun Fu, Jia-Huan Li, Jia-Jia Yang, Ping Li, Yan-Bing Zhang, Simeng Liu, Zhong-Rui Li, Sai-Yang Zhang
Novel chalcone-dithiocarbamate hybrids were designed, synthesized and evaluated for antiproliferative activity against selected cancer cell lines (MGC803, MCF7, and PC3). Among these analogues, (E)-2-oxo-2-((4-(3-(3,4,5-trimethoxyphenyl)acryloyl)phenyl)amino)ethyl-4-(2-hydroxyethyl)piperazine-1-carbodithioate (12d) showed the best inhibitory activity against PC3 cells (IC50  = 1.05 μM). Cellular mechanism studies elucidated 12d could inhibit colony formation, arrest cell cycle at G2/M phase and induce DNA damage against PC3 cells...
January 16, 2019: Bioorganic Chemistry
https://read.qxmd.com/read/30763756/rapid-development-of-spinal-epidural-lipomatosis-after-treatment-of-metastatic-castration-resistant-prostate-cancer-with-second-generation-androgen-receptor-antagonists
#4
Tobias A Mattei, Carlos R Goulart, Shawn S Rai, Azeem A Rehman, Michelle Williams, Ehud Mendel
BACKGROUND: Previous studies have described the association of spinal epidural lipomatosis with several conditions including chronic steroid therapy, Cushing's syndrome, obesity, Paget's disease, and hypothyroidism. We present a report of rapid development of spinal epidural lipomatosis after treatment with second-generation anti-androgen therapy, a new strategy for treatment of metastatic castration-resistant prostate cancer which has been increasingly employed in the past few years...
February 11, 2019: World Neurosurgery
https://read.qxmd.com/read/30763715/essential-role-of-jund-in-cell-proliferation-is-mediated-via-myc-signaling-in-prostate-cancer-cells
#5
Bethtrice Elliott, Ana Cecilia Millena, Lilya Matyunina, Mengnan Zhang, Jin Zou, Guangdi Wang, Qiang Zhang, Nathan Bowen, Vanessa Eaton, Gabrielle Webb, Shadyra Thompson, John McDonald, Shafiq Khan
JunD, a member of the AP-1 family, is essential for cell proliferation in prostate cancer (PCa) cells. We recently demonstrated that JunD knock-down (KD) in PCa cells results in cell cycle arrest in G1 -phase concomitant with a decrease in cyclin D1, Ki67, and c-MYC, but an increase in p21 levels. Furthermore, the over-expression of JunD significantly increased proliferation suggesting JunD regulation of genes required for cell cycle progression. Here, employing gene expression profiling, quantitative proteomics, and validation approaches, we demonstrate that JunD KD is associated with distinct gene and protein expression patterns...
February 11, 2019: Cancer Letters
https://read.qxmd.com/read/30763461/taxane-based-chemohormonal-therapy-for-metastatic-hormone-sensitive-prostate-cancer-a-cochrane-review
#6
Niranjan J Sathianathen, Yiannis A Philippou, Gretchen M Kuntz, Badrinath R Konety, Shilpa Gupta, Alastair D Lamb, Philipp Dahm
OBJECTIVES: Androgen deprivation therapy (ADT) has historically been the main management option for men with metastatic, hormone-sensitive prostate cancer. Over the last two decades, a number of agents have demonstrated a benefit in castration-resistant disease[1] and there has been interest to employ these drugs earlier in the disease course when the cancer is hormone-sensitive. Taxane-based chemotherapy has been utilized in such a manner and we aimed to assess the effects of early taxane-based chemohormonal therapy for newly diagnosed, metastatic, hormone-sensitive prostate cancer...
February 14, 2019: BJU International
https://read.qxmd.com/read/30763425/quality-of-life-in-patients-with-low-risk-prostate-cancer-treated-with-hypofractionated-vs-conventional-radiotherapy-a-phase-3-randomized-clinical-trial
#7
Deborah W Bruner, Stephanie L Pugh, W Robert Lee, James J Dignam, Daniel Low, Gregory P Swanson, Amit B Shah, Shawn Malone, Jeff M Michalski, Ian S Dayes, Samantha A Seaward, Paul L Nguyen, William A Hall, Thomas M Pisansky, Yuhchyau Chen, Howard M Sandler, Benjamin Movsas
Importance: Hypofractionated radiotherapy (HRT) would be more convenient for men with low-risk prostate cancer and cost less than conventional radiotherapy (CRT) as long as HRT is noninferior to CRT in terms of survival and quality of life (QOL) is not found to be worse. Objective: To assess differences in QOL between men with low-risk prostate cancer who are treated with HRT vs CRT. Design, Setting, and Participants: In this phase 3 randomized clinical trial, men with low-risk prostate cancer were enrolled from sites within the National Cancer Institute's National Clinical Trials Network in the United States, Canada, and Switzerland...
February 14, 2019: JAMA Oncology
https://read.qxmd.com/read/30763406/a-natural-history-model-for-planning-prostate-cancer-testing-calibration-and-validation-using-swedish-registry-data
#8
Andreas Karlsson, Alexandra Jauhiainen, Roman Gulati, Martin Eklund, Henrik Grönberg, Ruth Etzioni, Mark Clements
Recent prostate cancer screening trials have given conflicting results and it is unclear how to reduce prostate cancer mortality while minimising overdiagnosis and overtreatment. Prostate cancer testing is a partially observable process, and planning for testing requires either extrapolation from randomised controlled trials or, more flexibly, modelling of the cancer natural history. An existing US prostate cancer natural history model (Gulati et al, Biostatistics 2010;11:707-719) did not model for differences in survival between Gleason 6 and 7 cancers and predicted too few Gleason 7 cancers for contemporary Sweden...
2019: PloS One
https://read.qxmd.com/read/30763290/synthesis-and-preclinical-evaluation-of-the-177lu-dota-psma-inhibitor-lys3-bombesin-heterodimer-designed-as-a-radiotheranostic-probe-for-prostate-cancer
#9
Alondra Escudero-Castellanos, Blanca Ocampo-García, Guillermina Ferro-Flores, Clara Santos-Cuevas, Enrique Morales-Ávila, Myrna Luna-Gutiérrez, Keila Isaac-Olivé
BACKROUND: Human tumors show intrinsic heterogeneity and changes in phenotype during disease progression, which implies different expression levels of cell surface receptors. The research on new heterodimeric lutetium-177 (Lu)-radiopharmaceuticals interacting with two different targets on tumor cells is a strategy for improvement of radiotheranostic performance. This study aimed to synthesize and characterize the Lu-DOTA-PSMA(inhibitor)-Lys-bombesin (Lu-DOTA-iPSMA-Lys-BN) heterodimer and to evaluate its potential to target prostate-specific membrane antigen (PSMA) and gastrin-releasing peptide receptor (GRPr) overexpressed in prostate cancer...
March 2019: Nuclear Medicine Communications
https://read.qxmd.com/read/30763142/darolutamide-in-nonmetastatic-castration-resistant-prostate-cancer
#10
Karim Fizazi, Neal Shore, Teuvo L Tammela, Albertas Ulys, Egils Vjaters, Sergey Polyakov, Mindaugas Jievaltas, Murilo Luz, Boris Alekseev, Iris Kuss, Christian Kappeler, Amir Snapir, Toni Sarapohja, Matthew R Smith
BACKGROUND: Darolutamide is a structurally unique androgen-receptor antagonist that is under development for the treatment of prostate cancer. We evaluated the efficacy of darolutamide for delaying metastasis and death in men with nonmetastatic, castration-resistant prostate cancer. METHODS: We conducted a randomized, double-blind, placebo-controlled, phase 3 trial involving men with nonmetastatic, castration-resistant prostate cancer and a prostate-specific antigen doubling time of 10 months or less...
February 14, 2019: New England Journal of Medicine
https://read.qxmd.com/read/30762872/cancer-statistics-for-african-americans-2019
#11
Carol E DeSantis, Kimberly D Miller, Ann Goding Sauer, Ahmedin Jemal, Rebecca L Siegel
In the United States, African American/black individuals bear a disproportionate share of the cancer burden, having the highest death rate and the lowest survival rate of any racial or ethnic group for most cancers. To monitor progress in reducing these inequalities, every 3 years, the American Cancer Society provides the estimated number of new cancer cases and deaths for blacks in the United States and the most recent data on cancer incidence, mortality, survival, screening, and risk factors using data from the National Cancer Institute, the North American Association of Central Cancer Registries, and the National Center for Health Statistics...
February 14, 2019: CA: a Cancer Journal for Clinicians
https://read.qxmd.com/read/30762450/the-association-of-atrophy-in-baseline-prostate-biopsy-and-lower-prostate-cancer-grade-in-radical-prostatectomy-specimens
#12
D M O Freitas, G L Andriole, R Castro-Santamaria, S J Freedland, D M Moreira
INTRODUCTION: To evaluate whether the presence of prostate atrophy (P.A.) in negative prostate biopsy is associated with prostate cancer (P.C.a) grade at surgical pathology among men who are ultimately diagnosed with P.C.a and undergo radical prostatectomy (R.P.). METHODS: A retrospective analysis was performed of 136 men from the placebo arm of the Reduction by Dutasteride of P.C.a Events (R.E.D.U.C.E.) trial who had a baseline prostate biopsy negative for P.C...
February 14, 2019: Scandinavian Journal of Urology
https://read.qxmd.com/read/30762302/exposure-response-based-product-profile-driven-clinical-utility-index-for-ipatasertib-dose-selection-in-prostate-cancer
#13
Rui Zhu, Bill Poland, Russ Wada, Qi Liu, Luna Musib, Daniel Maslyar, Eunpi Cho, Wei Yu, Han Ma, Jin Yan Jin, Nageshwar Budha
The aims of this work were to characterize ipatasertib exposure-response (E-R) relationships in a phase II study and to quantitatively assess benefit-risk using a clinical utility index (CUI) approach to support ipatasertib phase III dose selection in patients with metastatic castration-resistant prostate cancer (mCRPC). Logistic regression and Cox proportional-hazards models characterized E-R relationships for safety and efficacy endpoints, respectively. Exposure metrics with and without considering dose interruptions/reductions (modifications) were tested in the E-R models...
February 14, 2019: CPT: Pharmacometrics & Systems Pharmacology
https://read.qxmd.com/read/30762265/psychosocial-adjustment-to-a-prostate-cancer-diagnosis-in-a-cohort-of-radical-prostatectomy-patients-in-quebec-canada
#14
Michel D Wissing, Simone Chevalier, Ana O'Flaherty, Ginette McKercher, Saro Aprikian, Fred Saad, Michel Carmel, Louis Lacombe, Marc Hamel, Armen Aprikian
OBJECTIVE: The psychosocial impact of a prostate cancer diagnosis significantly affects a patient's quality of life. We studied patient communication at the time of diagnosis and its impact on psychosocial adjustment of patients. METHODS: This is a cross-sectional data analysis from self-administered questionnaires in the PROCURE biobank study, consisting of a cohort of patients with localized prostate cancer undergoing radical prostatectomy in Québec (Canada), 2006-2013...
February 14, 2019: Psycho-oncology
https://read.qxmd.com/read/30762223/multiparametric-mri-and-radiomics-in-prostate-cancer-a-review
#15
Yu Sun, Hayley M Reynolds, Bimal Parameswaran, Darren Wraith, Mary E Finnegan, Scott Williams, Annette Haworth
Multiparametric MRI (mpMRI) is an imaging modality that combines anatomical MR imaging with one or more functional MRI sequences. It has become a versatile tool for detecting and characterising prostate cancer (PCa). The traditional role of mpMRI was confined to PCa staging, but due to the advanced imaging techniques, its role has expanded to various stages in clinical practises including tumour detection, disease monitor during active surveillance and sequential imaging for patient follow-up. Meanwhile, with the growing speed of data generation and the increasing volume of imaging data, it is highly demanded to apply computerised methods to process mpMRI data and extract useful information...
February 14, 2019: Australasian Physical & Engineering Sciences in Medicine
https://read.qxmd.com/read/30761939/dose-to-the-penile-bulb-and-individual-patient-anatomy-are-predictive-of-erectile-dysfunction-in-men-treated-with-125-i-low-dose-rate-brachytherapy-for-localized-prostate-cancer
#16
Matthieu Chasseray, Gurvan Dissaux, Vincent Bourbonne, Nicolas Boussion, Gaelle Goasduff, Julien Malloreau, Jean-Pierre Malhaire, Georges Fournier, Valentin Tissot, Olivier Pradier, Antoine Valeri, Ulrike Schick
BACKGROUND: To evaluate the occurrence of erectile dysfunction at 3 years (3yED) after prostate brachytherapy (BT) and to predict 3yED after treatment based on patients and treatments characteristics. MATERIAL AND METHODS: From September 2007 to July 2015, 117 men with mild or no ED [International Index of Erectile Function (IIEF-5) > 16] underwent 125 Iodine real-time ultrasound-guided low-dose rate BT to a total dose of 160 Gy for low-risk or favorable intermediate-risk prostate adenocarcinoma, and were followed prospectively during 3 years...
February 14, 2019: Acta Oncologica
https://read.qxmd.com/read/30761859/comparison-of-ga-68-psma-positron-emission-tomography-computerized-tomography-with-tc-99m-mdp-bone-scan-in-prostate-cancer-patients
#17
Lebriz Uslu-Beşli, Sait Sağer, Elife Akgün, Sertaç Asa, Onur Erdem Şahin, Çetin Demirdağ, Ekrem Güner, Baresh Razavi Khosroshahi, Emre Karayel, Hüseyin Pehlivanoğlu, Aslan Aygün, İlhami Uslu, Zübeyr Talat, Kerim Sönmezoğlu
Background/aim: The aim of our study was to compare Tc-99m MDP bone scan and Ga-68 PSMA PET/CT in terms of detection of bone metastasis in prostate cancer patients. Materials and methods: A total of 28 prostate cancer patients with bone scan and PSMA PET/CT performed within 90 days were retrospectively included in our analysis. All bone lesions were scored as negative (score-0), positive (score-1), or suspicious (score-2) for metastasis by two experienced nuclear medicine physicians...
February 11, 2019: Turkish Journal of Medical Sciences
https://read.qxmd.com/read/30761810/-magnetic-resonance-imaging-in-the-diagnosis-of-recurrent-prostate-cancer
#18
M A Shariya, P V Glybochko, S K Ternovoi, N V Petrovskii
The article reviews the domestic and international literature on local recurrence of prostate cancer both after surgery and non-invasive treatments. The authors describe modern high-precision techniques used in magnetic resonance imaging that are used today in clinical practice for the most accurate detection of recurrent prostate cancer lesions.
October 2018: Urologii︠a︡
https://read.qxmd.com/read/30761798/-use-of-multiparametric-magnetic-resonance-imaging-in-t-staging-of-prostate-cancer-a-multicenter-study
#19
I I Abdullin, F A Kossov, B Sh Kamolov, V V Kapustin, N A Grigorev, I L Gubskii, V A Chernyaev, V O Panov, Yu V Buidenok, V B Matveev
AIM: The study aimed to analyze the diagnostic performance of preoperative multiparametric magnetic resonance imaging (mp-MRI) in the staging of prostate cancer (PCa) versus postoperative histological examination and determine the most sensitive pulse sequence from the mp-MRI protocol in estimating the local extent of PCa. MATERIALS AND METHODS: The study comprised 112 men aged 52 to 84 years with a morphologically verified diagnosis of prostate cancer. All patients underwent pelvic mp-MRI before radical prostatectomy (RPE) no earlier than six weeks after the prostate biopsy...
October 2018: Urologii︠a︡
https://read.qxmd.com/read/30761643/making-active-surveillance-a-path-towards-health-promotion-a-qualitative-study-on-prostate-cancer-patients-perceptions-of-health-promotion-during-active-surveillance
#20
Julia Menichetti, Letizia De Luca, Paola Dordoni, Simona Donegani, Cristina Marenghi, Riccardo Valdagni, Lara Bellardita
OBJECTIVE: Health promotion is a key aspect for health outcomes of prostate cancer (PCa) patients. However, it has been poorly explored among patients following monitoring programmes, for example Active Surveillance (AS). This study aimed to explore PCa patients' perceptions of health promotion during AS. METHODS: An explorative qualitative research design was adopted. Four focus groups were used to collected data from 24 men enrolled in the Prostate Cancer Research International: AS (PRIAS) protocol...
February 13, 2019: European Journal of Cancer Care
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