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https://www.readbyqxmd.com/read/28742500/adverse-effects-of-androgen-deprivation-therapy-in-patients-with-prostate-cancer-focus-on-metabolic-complications
#1
REVIEW
Vasileios Tzortzis, Michael Samarinas, Ioannis Zachos, Athanasios Oeconomou, Louis L Pisters, Alexandra Bargiota
Prostate cancer is the most common cancer among men and androgen deprivation therapy (ADT) is the most effective treatment for this disease. The cornerstone of the treatment of prostate cancer is inhibition of testosterone production which interrupts testosterone-induced growth of the prostate tumor. The dramatic decrease in testosterone levels, however, has several undesirable effects on the metabolic profile and bone metabolism and can also lead to fatigue, loss of libido, gynecomastia, and anemia, provoke vasomotor flushing, and generally affect the quality of life...
April 2017: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28740901/long-term-outcomes-of-dose-escalated-intensity-modulated-radiation-therapy-alone-without-androgen-deprivation-therapy-for-patients-with-intermediate-and-high-risk-prostate-cancer
#2
Rafael Gadia, Elton Trigo Teixeira Leite, Ana Luiza Bierrenbach, Fabio Ynoe de Moraes, Daniel E Spratt, Fernando Freire Arruda, Carlos Eduardo Cintra Vita Abreu, Joao Luis Fernandes da Silva, Heloisa de Andrade Carvalho, Bernardo Garicochea
OBJECTIVE: The addition of androgen deprivation therapy (ADT) to conventional radiation therapy improves overall survival (OS) in intermediate- and high-risk prostate cancer. The benefit of ADT to added to dose-escalated radiotherapy is less clear. The aim of this study was to report disease control outcomes and to identify prognostic variables associated with favorable outcomes in patients with intermediate- and high-risk prostate cancer treated with dose-escalated radiation therapy without ADT...
October 2016: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28735536/five-electronic-state-beyond-born-oppenheimer-equations-and-their-applications-to-nitrate-and-benzene-radical-cation
#3
Soumya Mukherjee, Bijit Mukherjee, Satrajit Adhikari
We present explicit form of Adiabatic to Diabatic Transformation (ADT) equations and expressions of non-adiabatic coupling terms (NACTs) for a coupled five-state electronic manifold in terms of ADT angles between electronic wavefunctions. ADT matrices eliminate the numerical instability arising from singularity of NACTs and transform the adiabatic Schrödinger equation to its diabatic form. Two real molecular systems NO3 and C6H6(+) (Bz(+)) are selectively chosen for the demonstration of workability of those equations...
July 24, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28731882/the-effect-on-bone-outcomes-of-home-based-exercise-intervention-for-prostate-cancer-survivors-receiving-androgen-deprivation-therapy-a-pilot-randomized-controlled-trial
#4
Soo Hyun Kim, Do Hwan Seong, Sang Min Yoon, Young Deuk Choi, Eunju Choi, Youngkyu Song, Hosook Song
BACKGROUND: Cancer treatment-induced bone loss has important long-term effects in prostate cancer survivors (PCSs) receiving androgen deprivation therapy (ADT), but little is known about preventive interventions. OBJECTIVE: The aim of this study was to examine the feasibility and preliminary effectiveness of a 6-month home-based exercise intervention in PCSs. METHODS: In this pilot, randomized controlled trial, 51 men (mean age, 70.8 years) were randomized to a 6-month home-based exercise intervention for preventing osteoporosis group (n = 26) or an exercise placebo intervention of stretching exercise group (n = 25)...
July 20, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28723517/practice-patterns-compared-with-evidence-based-strategies-for-the-management-of-androgen-deprivation-therapy-induced-side-effects-in-prostate-cancer-patients-results-of-a-european-web-based-survey
#5
Renée Bultijnck, Cristian Surcel, Guillaume Ploussard, Alberto Briganti, Pieter De Visschere, Jurgen Fütterer, Pirus Ghadjar, Gianluca Giannarini, Hendrik Isbarn, Christophe Massard, Prasanna Sooriakumaran, Massimo Valerio, Roderick van den Bergh, Piet Ost
BACKGROUND: Evidence-based recommendations are available for the management of androgen deprivation therapy (ADT)-induced side effects; however, there are no data on the implementation of the recommendations into daily practice patterns. OBJECTIVE: To compare practice patterns in the management of ADT-induced side effects with evidence-based strategies. DESIGN, SETTING, AND PARTICIPANTS: A European Web-based survey was conducted from January 16, 2015, to June 24, 2015...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723516/the-molecular-evolution-of-castration-resistant-prostate-cancer
#6
REVIEW
Yvonne Ceder, Anders Bjartell, Zoran Culig, Mark A Rubin, Scott Tomlins, Tapio Visakorpi
CONTEXT: Androgen deprivation therapy (ADT) is the backbone of treatment for advanced prostate cancer. However, castration-resistant prostate cancer (CRPC) nearly invariably develops through a range of different molecular mechanisms accompanied by progression to a more aggressive phenotype. OBJECTIVE: To understand the key molecular mechanisms leading to CRPC and the functional implications of this progression. Understanding molecular evolutionary mechanisms in CRPC is essential for the development of novel curative therapeutic approaches...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28723515/understanding-mechanisms-of-resistance-in-metastatic-castration-resistant-prostate-cancer-the-role-of-the-androgen-receptor
#7
REVIEW
Derya Tilki, Edward M Schaeffer, Christopher P Evans
CONTEXT: After initiation of androgen deprivation therapy (ADT), most patients progress to castration-resistant prostate cancer (CRPC) within 2 or 3 yr. In the USA, approximately 67000 men are estimated to have metastatic CRPC. OBJECTIVE: To provide an overview of different mechanisms driving resistance to therapy in metastatic CRPC, with a focus on androgen receptor (AR)-dependent pathways. EVIDENCE ACQUISITION: A Medline search via PubMed was performed using the keywords metastatic castration resistant prostate cancer (mCRPC), castration-resistant, CRPC, prostate cancer, androgen resistance, hormone-refractory, hormone-independent, androgen receptor, and androgen receptor axis...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722011/accumulating-the-hydride-state-in-the-catalytic-cycle-of-fefe-hydrogenases
#8
Martin Winkler, Moritz Senger, Jifu Duan, Julian Esselborn, Florian Wittkamp, Eckhard Hofmann, Ulf-Peter Apfel, Sven Timo Stripp, Thomas Happe
H2 turnover at the [FeFe]-hydrogenase cofactor (H-cluster) is assumed to follow a reversible heterolytic mechanism, first yielding a proton and a hydrido-species which again is double-oxidized to release another proton. Three of the four presumed catalytic intermediates (Hox, Hred/Hred and Hsred) were characterized, using various spectroscopic techniques. However, in catalytically active enzyme, the state containing the hydrido-species, which is eponymous for the proposed heterolytic mechanism, has yet only been speculated about...
July 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28717736/cardiovascular-disease-risk-factors-how-relevant-in-african-men-with-prostate-cancer-receiving-androgen-deprivation-therapy
#9
Okon Ekwere Essien, Iya Eze Bassey, Rebecca Mtaku Gali, Alphonsus Ekpe Udoh, Uwem Okon Akpan, Enakirerhi E Glen
PURPOSE: Cardiovascular disease risk factors have been associated with androgen-deprivation therapy (ADT) in white and Hispanic populations. It is therefore relevant to determine if there exists a relationship between these parameters in the African population. PATIENTS AND METHODS: The design of the study was cross sectional. Prostate-specific antigen concentration, waist circumference, body mass index (BMI), lipid profile, glucose level, and insulin level were determined in 153 patients with prostate cancer and 80 controls...
February 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28712786/the-relationship-between-hot-flashes-and-testosterone-recovery-after-12-months-of-androgen-suppression-for-men-with-localised-prostate-cancer-in-the-ascende-rt-trial
#10
M Dosani, W J Morris, S Tyldesley, T Pickles
AIMS: This study describes the proportion of men who experienced hot flashes (flashes), and the testosterone level at onset, peak frequency and cessation of flashes after 12 months of androgen deprivation therapy (ADT) in men undergoing curative-intent external beam radiation therapy (± brachytherapy boost). We also aimed to characterise testosterone recovery in this population. MATERIALS AND METHODS: This was a pre-specified secondary analysis of the ASCENDE-RT clinical trial...
July 13, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28711383/gonadotropin-releasing-hormone-agonists-orchiectomy-and-risk-of-cardiovascular-disease-semi-ecologic-nationwide-population-based-study
#11
Frederik Birkebæk Thomsen, Fredrik Sandin, Hans Garmo, Ingela Franck Lissbrant, Göran Ahlgren, Mieke Van Hemelrijck, Jan Adolfsson, David Robinson, Pär Stattin
BACKGROUND: In observational studies, men with prostate cancer treated with gonadotropin-releasing hormone (GnRH) agonists had a higher risk of cardiovascular disease (CVD) compared to men who had undergone orchiectomy. However, selection bias may have influenced the difference in risk. OBJECTIVE: To investigate the association of type of androgen deprivation therapy (ADT) with risk of CVD while minimising selection bias. DESIGN, SETTING, AND PARTICIPANTS: Semi-ecologic study of 6556 men who received GnRH agonists and 3330 men who underwent orchiectomy as primary treatment during 1992-1999 in the Prostate Cancer Database Sweden 3...
July 12, 2017: European Urology
https://www.readbyqxmd.com/read/28699399/digital-axillary-and-non-contact-infrared-thermometers-for-children
#12
Ilaria Franconi, Carmen La Cerra, Anna Rita Marucci, Cristina Petrucci, Loreto Lancia
Axillary digital thermometers (ADTs) and non-contact (infrared) forehead thermometers (NCIFTs) are commonly used in pediatric settings, where an incorrect body temperature measurement may delay treatments or lead to incorrect diagnoses and therapies. Several studies comparing ADT or NCIFT with other methods have found conflicting results. To investigate whether ADT and NCIFT can be used interchangeably, a comparative observational study was conducted involving 205 children aged 0 to 14 years who were consecutively admitted to the pediatric emergency department...
November 1, 2016: Clinical Nursing Research
https://www.readbyqxmd.com/read/28698349/a-pilot-randomised-controlled-trial-of-a-periodised-resistance-training-and-protein-supplementation-intervention-in-prostate-cancer-survivors-on-androgen-deprivation-therapy
#13
Jacqueline L Kiwata, Tanya B Dorff, E Todd Schroeder, George J Salem, Christianne J Lane, Judd C Rice, Mitchell E Gross, Christina M Dieli-Conwright
INTRODUCTION: Prostate cancer survivors (PCS) receiving androgen deprivation therapy (ADT) experience deleterious side effects such as unfavourable changes in cardiometabolic factors that lead to sarcopenic obesity and metabolic syndrome (MetS). While loss of lean body mass (LBM) compromises muscular strength and quality of life, MetS increases the risk of cardiovascular disease and may influence cancer recurrence. Exercise can improve LBM and strength, and may serve as an alternative to the pharmacological management of MetS in PCS on ADT...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28695241/-metastatic-prostate-cancer-update-position-paper-for-the-use-of-chemotherapy
#14
REVIEW
C-H Ohlmann, P J Goebell, M-O Grimm, J Klier, F König, S Machtens, M Schostak, A-J Schrader, P Albers
BACKGROUND: Taxen-based chemotherapy has been established as an effective treatment option in castration-resistant metastatic prostate cancer (mCRPC). Randomized phase III studies, however, have shown that even in the hormone-naïve metastatic state, the early use of chemotherapy in addition to the classical androgen deprivation therapy (ADT) approach leads to a significant increase in median overall survival. OBJECTIVE: This position paper aims to provide current data and orientation in the evidence-based treatment of mPC patients in daily clinical practice...
July 10, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28691182/hsp70-inhibitors-suppress-androgen-receptor-expression-in-lncap95-prostate-cancer-cells
#15
Kazuaki Kita, Masayuki Shiota, Masako Tanaka, Asuka Otsuka, Masaki Matsumoto, Minoru Kato, Satoshi Tamada, Hiroshi Iwao, Katsuyuki Miura, Tatsuya Nakatani, Shuhei Tomita
Androgen deprivation therapy (ADT) is initially effective for treating patients with advanced prostate cancer; however, the prostate cancer gradually becomes resistant to ADT, which is termed castration-resistant prostate cancer (CRPC). Androgen receptor splice variant 7 (AR-V7), one of the causes of CRPC, is correlated with the resistance to a new-generation AR antagonist (enzalutamide) and poor prognosis. Heat shock protein 70 (Hsp70) inhibitor is known to decrease the levels of full-length AR (AR-FL), but little is known about its effects against CRPC cells expressing AR-V7...
July 10, 2017: Cancer Science
https://www.readbyqxmd.com/read/28687398/the-impact-of-comorbidities-on-the-benefits-of-prolonged-androgen-ablation-in-patients-with-t3-4-prostate-cancer-treated-with-external-beam-radiation-therapy
#16
Eric Tran, Matthew Paquette, Justin Jay, Jeremy Hamm, Mitchell Liu, Graeme Duncan, Tom Pickles, Scott Tyldesley
PURPOSE: To determine whether the survival benefit associated with prolonged androgen deprivation therapy (ADT) and radiotherapy (EBRT) varies with baseline estimates of overall survival in cT3-4 prostate cancer patients (PCa). METHODS AND MATERIALS: In 1997, the BC Cancer Agency adopted as standard a policy of prolonged ADT (>18months) with EBRT for locally advanced PCa. Two cohorts of cT3-T4 PCa treated with EBRT were selected: 1993-1995 (early: N=725) and 1999-2001 (late: N=584)...
July 4, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28683707/docetaxel-in-hormone-sensitive-advanced-prostate-cancer-genesis-sefh-evaluation-reporta
#17
Juan Carlos García de Paredes Esteban, Emilio Jesús Alegre Del Rey, Rocío Asensi Díez
Prostate cancer (PC) is the most common urogenital malignancy in older men and the second leading cause of death by cancer in men in Europe. Current therapeutic practice considers Androgen Deprivation Therapy (ADT) as first line treatment for clinically localized prostate cancer at high-risk, either locally advanced or metastatic. ADT can be achieved through orchiectomy (surgical castration), luteinizing hormone-releasing hormone (LHRH) agonists, or through complete androgen blockade (LHRH agonist combined with an anti-androgen)...
July 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28682886/exercise-overcome-adverse-effects-among-prostate-cancer-patients-receiving-androgen-deprivation-therapy-an-update-meta-analysis
#18
REVIEW
Gao Yunfeng, He Weiyang, He Xueyang, Huang Yilong, Gou Xin
BACKGROUND: Prostate cancer (PCa) patients initiating androgen deprivation therapy (ADT) are suffering from adverse effects; exercise has been proposed as a treatment to relieve adverse effects of ADT, available meta-analysis has proved exercise improves quality of life, and therapy caused fatigue; recently, some high-quality trials have been conducted in order to get more assessment; we conduct an updated meta-analysis to evaluate feasibility that exercise relieves adverse effects in PCa patients initiating ADT...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28668858/evaluation-of-bone-turnover-quality-markers-and-bone-mineral-density-in-prostate-cancer-patients-receiving-androgen-deprivation-therapy-with-or-without-denosumab
#19
Yoshiyuki Miyazawa, Yoshitaka Sekine, Takahiro Syuto, Masashi Nomura, Hidekazu Koike, Hiroshi Matsui, Yasuhiro Shibata, Kazuto Ito, Kazuhiro Suzuki
BACKGROUND/AIM: Androgen deprivation therapy (ADT) is a mainstay therapy for prostate cancer (PCa). ADT induces bone loss and increases the risk of osteoporosis and fractures. Recently, loss of bone quality has received attention as a factor that causes loss of bone strength independent of bone mineral density (BMD). Pentosidine has been identified as a surrogate marker of bone quality. Therefore, bone quality markers were evaluated retrospectively in PCa patients receiving ADT with or without denosumab...
July 2017: Anticancer Research
https://www.readbyqxmd.com/read/28666141/computational-design-of-peptide-ligands-to-target-the-intermolecular-interaction-between-viral-envelope-protein-and-pediatric-receptor
#20
Darong Xu, Hongliang Bian, Jinlan Cai, Daocheng Bao, Qing Jin, Min Zhu, Cuifeng Zhang, Tingting Tao
The recognition and binding of viral envelope protein to pediatric receptor subverts the membrane-trafficking apparatus to mediate virion export in young children. Here, we described a successful computational design of peptide ligands to target the intermolecular interaction between the virus large envelope protein (LHB) and adaptin receptor (ADT). Based on the crystal structure of ADT in complex with an oligopeptide segment corresponding to the core binding site of LHB, a sequence-specific amino acid preference profile was determined systematically for the ADT-binding peptides using structural bioinformatics approach...
June 17, 2017: Computational Biology and Chemistry
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