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https://www.readbyqxmd.com/read/28075168/transurethral-resection-of-prostate-and-bleeding-a-prospective-randomized-double-blind-placebo-controlled-trial-to-see-efficacy-of-short-term-use-of-finasteride-and-dutasteride-on-operative-blood-loss-and-prostatic-micro-vessel-density
#1
Ankur Bansal, Aditi Arora
OBJECTIVE: To evaluate the effects of short term use of finasteride and dutasteride on the amount of intraoperative blood loss and microvessel density (MVD) of prostatic stromal and suburethral tissues in the patients with benign prostatic hyperplasia (BPH) prior to transurethral resection of prostate (TURP). METHODS: The study involved 450 male patients who planned to have TURP and were prospectively randomized into 3 groups (150 patients each). Group 1 received placebo, group 2 received finasteride 5 mg/day and group 3 received dutasteride 0...
January 11, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28061966/new-treatments-for-hair-loss
#2
S Vañó-Galván, F Camacho
The treatment of hair loss is an important part of clinical dermatology given the prevalence of the problem and great impact on patients' quality of life. Many new treatments have been introduced in recent years. This review summarizes the main ones in 4 groups: a) For androgenetic alopecia, we discuss new excipients for oral minoxidil, dutasteride, and finasteride as well as new forms of topical application; prostaglandin agonists and antagonists; low-level laser therapy; and regenerative medicine with Wnt signaling activators and stem cell therapy...
January 3, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28032881/alopecia-frontal-fibrosante-una-enfermedad-en-auge
#3
A De Quintana Sancho, X Piris García, J N Valle García, M Hierro Cámara
La alopecia frontal fibrosante (AFF) es un tipo de alopecia cicatricial cuya incidencia está aumentando de forma significativa en nuestro país. Se caracteriza por un retroceso en la línea de implantación del pelo a nivel frontotemporal que afecta mayoritariamente a mujeres postmenopaúsicas, con un impacto negativo en su calidad de vida. Se asocia a menopausia precoz en un 14% de los casos y a hipotiroidismo en un 15%. Con respecto al tratamiento, son los inhibidores de la 5α-reductasa, los fármacos que han demostrado mejoría de la enfermedad en un mayor número de casos...
December 30, 2016: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28024997/androgen-receptor-ar-gene-cag-n-and-ggn-n-length-polymorphisms-and-symptoms-in-young-males-with-long-lasting-adverse-effects-after-finasteride-use-against-androgenic-alopecia
#4
Sabina Cauci, Giovanni Chiriacò, Erika Cecchin, Giuseppe Toffoli, Serena Xodo, Giuseppe Stinco, Carlo Trombetta
INTRODUCTION: Long-term adverse symptoms of men who used oral finasteride against androgenic alopecia have been recently described as post-finasteride syndrome (PFS). AIM: To determine whether (CAG)n-rs4045402 and (GGN)n-rs3138869 polymorphisms in the androgen receptor (AR) gene are implicated in PFS. METHODS: AR polymorphisms were studied according to PFS symptoms in 66 white participants (31.8% Italian, 28.8% American, and 39.4% other). MAIN OUTCOME MEASURES: Symptoms were investigated by an ad hoc 100-item questionnaire and the Arizona Sexual Experience Scale and Aging Male Symptom Scale (AMS)...
December 23, 2016: Sexual Medicine
https://www.readbyqxmd.com/read/28024836/effects-of-testosterone-on-mean-arterial-pressure-and-aquaporin-aqp-1-2-3-4-6-and-7-expressions-in-the-kidney-of-orchidectomized-adult-male-sprague-dawley-rats
#5
Su Yi Loh, Nelli Giribabu, Khadijeh Gholami, Naguib Salleh
: We hypothesized that higher blood pressure in males than females could be due to testosterone effects on aquaporin (AQP) expression in kidneys. METHODS: Orchidectomized adult male Sprague-Dawley (SD) rats received seven days subcutaneous testosterone treatment (125 μg/kg/day or 250 μg/kg/day), with or without flutamide or finasteride. Following completion of treatment, MAP was determined in rats under anaesthesia via carotid artery cannulation. In another cohort of rats, kidneys were removed following sacrifice and AQP-1, 2, 3, 4, 6 and 7 protein and mRNA levels were determined by Western blotting and Real-time PCR respectively...
January 15, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/27987130/ultrasound-image-features-of-intravesical-prostatic-protrusion-indicated-failure-of-medication-therapy-of-finasteride-and-doxazosin-in-patients-with-benign-prostatic-hyperplasia-luts-bph
#6
Qiang Liu, Yunkai Zhu, Jianping Liu, Jun Qi, Jian Kang
BACKGROUND: Intravesical prostatic protrusion (IPP) is a type of benign prostatic hyperplasia (BPH) adenoma, and it plays a critical role in the pathogenesis of bladder outlet obstruction in patients with lower urinary tract syndromes (LUTS/BPH). AIMS: The goal of this study was to investigate the effect of a combination therapy with finasteride and doxazosin on IPP in BPU/LUTS patients. METHODS: A total of 322 BPH patients with enlarged prostatic volume as well as moderate to severe symptom scores were enrolled and divided into four groups according to the degree of IPP (IPP > 10 mm, 5-10 mm, <5 mm and no IPP) in this study...
December 16, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27981373/-combined-treatment-of-bps-with-tamsulosin-and-finasteride-literature-review-and-prescription-data
#7
K Höfner, S Ulrich, R Berges
Combined therapy of benign prostatic syndrome (BPS) with α1-blockers and 5α-reductase (5AR)-inhibitors is recommended according to two leading studies on doxazosin/finasteride and tamsulosin/dutasteride for all 10 in Germany possible combinations (five α1-blockers and two 5AR inhibitors). Because tamsulosin and finasteride predominate in the treatment of BPS in Germany, the role of the combination tamsulosin/finasteride and its scientific basis from clinical studies has been investigated. A pharmacoepidemiological extrapolation from receipts of pharmacy data centres showed a strong increase of the combination tamsulosin/finasteride since 2003...
December 15, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27979545/re-finasteride-not-tamsulosin-increases-severity-of-erectile-dysfunction-and-decreases-testosterone-levels-in-men-with-benign-prostatic-hyperplasia
#8
https://www.readbyqxmd.com/read/27928428/evidence-for-the-efficacy-and-safety-of-tadalafil-and-finasteride-in-combination-for-the-treatment-of-lower-urinary-tract-symptoms-and-erectile-dysfunction-in-men-with-benign-prostatic-hyperplasia
#9
REVIEW
Chris Olesovsky, Anil Kapoor
Benign prostatic hyperplasia (BPH) is an age-related phenomenon associated with prostatic enlargement and bladder outlet obstruction that can cause significant lower urinary tract symptoms (LUTS). These LUTS have a negative impact on an individual's quality of life, which is why treatment of symptomatic BPH has become a major priority. Although surgical interventions exist for treating BPH, pharmacological therapies are often preferred due to their minimal invasiveness and high degree of effectiveness. The three classes of drugs approved for treating BPH include α-blockers, 5-α-reductase inhibitors (5-ARIs) and phosphodiesterase 5 (PDE-5) inhibitors...
August 2016: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/27924509/inhibitory-effect-of-diosgenin-on-experimentally-induced-benign-prostatic-hyperplasia-in-rats
#10
Jing Chen, Huai-Fen Zhang, Chao-Mei Xiong, Jin-Lan Ruan
This study investigated the effect of diosgenin, a natural sapogenin possessing various pharmacological activities, on benign prostatic hyperplasia (BPH) in rats and the possible mechanisms. BPH was established in the castrated rats by subcutaneous injection of testosterone propionate. Animals were randomly divided into four groups (n=10 each): model group (0.5% sodium carboxymethyl cellulose); positive control group (3 mg/kg finasteride); two diosgenin groups (50 and 100 mg/kg). The drugs were intragastricaly given in each group for consecutive 3 weeks...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27919709/evaluation-of-anti-zika-virus-activities-of-broad-spectrum-antivirals-and-nih-clinical-collection-compounds-using-a-cell-based-high-throughput-screen-assay
#11
Robert S Adcock, Yong-Kyu Chu, Jennifer E Golden, Dong-Hoon Chung
Recent studies have clearly underscored the association between Zika virus (ZIKV) and severe neurological diseases such as microcephaly and Guillain-Barre syndrome. Given the historical complacency surrounding this virus, however, no significant antiviral screenings have been performed to specifically target ZIKV. As a result, there is an urgent need for a validated screening method and strategy that is focused on highlighting potential anti-ZIKV inhibitors that can be further advanced via rigorous validation and optimization...
February 2017: Antiviral Research
https://www.readbyqxmd.com/read/27904832/frontal-fibrosing-alopecia-treatment-options
#12
Raymond Fertig, Antonella Tosti
Frontal fibrosing alopecia (FFA) is a rare dermatologic disease that causes scarring and hair loss and is increasing in prevalence worldwide. FFA patients typically present with hair loss in the frontal scalp region and eyebrows which may be associated with sensations of itching or burning. FFA is a clinically distinct variant of lichen planopilaris (LPP) that affects predominantly postmenopausal women, although men and premenopausal women may also be affected. Early diagnosis and prompt treatment are necessary to prevent definitive scarring and permanent hair loss...
November 2016: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/27880726/chrysophanic-acid-reduces-testosterone-induced-benign-prostatic-hyperplasia-in-rats-by-suppressing-5%C3%AE-reductase-and-extracellular-signal-regulated-kinase
#13
Dong-Hyun Youn, Jinbong Park, Hye-Lin Kim, Yunu Jung, JongWook Kang, Mi-Young Jeong, Gautam Sethi, Kwang Seok Ahn, Jae-Young Um
Benign prostatic hyperplasia (BPH) is one of the most common chronic diseases in male population, of which incidence increases gradually with age. In this study, we investigated the effect of chrysophanic acid (CA) on BPH. BPH was induced by a 4-week injection of testosterone propionate (TP). Four weeks of further injection with vehicle, TP, TP + CA, TP + finasteride was carried on. In the CA treatment group, the prostate weight was reduced and the TP-induced histological changes were restored as the normal control group...
November 17, 2016: Oncotarget
https://www.readbyqxmd.com/read/27866006/the-cardiovascular-safety-of-dutasteride
#14
Sean C Skeldon, Erin M Macdonald, Michael R Law, Anjie Huang, J Michael Paterson, Muhammad M Mamdani, David Juurlink
PURPOSE: Randomized controlled trials suggest an increased risk of heart failure with dutasteride, which inhibits both the type 1 and type 2 isoforms of 5-α reductase. In contrast, no such association has been suggested for finasteride, which selectively inhibits the type 2 isoform. We investigated the risk of cardiovascular events among patients receiving dutasteride relative to finasteride. MATERIALS AND METHODS: Population-based cohort study of Ontario men aged 66 years or older who commenced treatment with dutasteride or finasteride between October 1, 2005 and March 31, 2015...
November 16, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27864106/withdrawn-transurethral-resection-of-prostate-and-bleeding-a-prospective-randomized-double-blind-placebo-controlled-trial-to-see-efficacy-of-short-term-use-of-finasteride-and-dutasteride-on-operative-blood-loss-and-prostatic-microvessel-density
#15
Aditi Arora, Ankur Bansal, Bimalesh Purkait, Ashok Kumar Sokhal, Ved Bhaskar, Priyank Yadav, Satyanarayan Sankhwar
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
November 15, 2016: Urology
https://www.readbyqxmd.com/read/27812496/reversible-exacerbation-of-obstructive-sleep-apnea-by-%C3%AE-1-adrenergic-blockade-with-tamsulosin-a-case-report
#16
Mark Moran
: Obstructive sleep apnea (OSA) is characterized by repeated involuntary closure of the pharyngeal airspace during sleep. Normal activity of the genioglossus (GG) muscle is important in maintaining airway patency, and inhibition of GG activity can contribute to airway closure. Neurons in the hypoglossal motor nucleus (HMN) regulate GG activity. Adrenergic tone is an important regulator of HMN neuronal excitability. In laboratory models α1-adrenergic antagonists inhibit HMN neurons and GG activity, suggesting that α1-adrenergic antagonism might adversely affect patients with OSA...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27801959/different-synaptic-stimulation-patterns-influence-the-local-androgenic-and-estrogenic-neurosteroid-availability-triggering-hippocampal-synaptic-plasticity-in-the-male-rat
#17
Michela Di Mauro, Alessandro Tozzi, Paolo Calabresi, Vito Enrico Pettorossi, Silvarosa Grassi
Electrophysiological recordings were used to investigate the role of the local synthesis of 17β-estradiol (E2) and 5α-dihydrotestosterone (DHT) on synaptic long-term effects induced in the hippocampal CA1 region of male rat slices. Long-term depression (LTD) and long-term potentiation (LTP), induced by different stimulation patterns, were examined under the block of the DHT synthesis by finasteride, and the E2 synthesis by letrozole. We used low frequency stimulation (LFS) for LTD, high frequency stimulation (HFS) for LTP, and intermediate patterns differing in duration or frequency...
November 1, 2016: European Journal of Neuroscience
https://www.readbyqxmd.com/read/27789379/a-new-label-free-screen-for-steroid-5%C3%AE-reductase-inhibitors-using-lc-ms
#18
Jukkarin Srivilai, Karma Rabgay, Nantaka Khorana, Neti Waranuch, Nitra Nuengchamnong, Kornkanok Ingkaninan
Steroid 5α-reductase (S5αR) plays an important role in metabolizing testosterone into active androgen dihydrotestosterone (DHT) which is involved in many androgen dependent disorders, such as androgenic alopecia, benign prostatic hyperplasia and acne. The method for screening for S5αR inhibition is key in finding new antagonists. In this study, the label-free S5αR inhibitory assay using LC-MS was developed. S5αR type 1 enzyme was obtained from LNCaP prostate cancer cells. The enzymatic assay was optimised for enzyme-substrate (testosterone) concentration, NADPH-cofactor concentration, solvent tolerance, enzyme activity stability and incubation time...
December 2016: Steroids
https://www.readbyqxmd.com/read/27761703/intraoperative-floppy-iris-syndrome-and-its-association-with-various-concurrent-medications-bulbus-length-patient-age-and-gender
#19
Michael Wahl, Saskia M Tipotsch-Maca, Pia V Vecsei-Marlovits
PURPOSE: To evaluate the association between intraoperative floppy iris syndrome (IFIS) and concurrent medications containing selective alpha1A receptor antagonists as well as nonselective alpha1-adrenergic receptor antagonists, bulbus length, patient age and gender. METHODS: We performed a prospective data acquisition of IFIS occurrence and grading, and retrospective evaluation of concurrent medications, bulbus length, patient age and gender of all patients undergoing cataract surgery over a 6-month period...
January 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27750143/exploring-the-neural-mechanisms-of-finasteride-a-proteomic-analysis-in-the-nucleus-accumbens
#20
Alessio Soggiu, Cristian Piras, Viviana Greco, Paola Devoto, Andrea Urbani, Luigino Calzetta, Marco Bortolato, Paola Roncada
The enzyme 5α-reductase (5αR) catalyzes the conversion of progesterone and testosterone into neuroactive steroids implicated in a wide array of behavioral functions. The prototypical 5αR inhibitor, finasteride (FIN), is clinically approved for the treatment of androgenic alopecia and benign prostatic hyperplasia. Recent evidence has shown that FIN, albeit generally well tolerated, can induce untoward psychological effects in a subset of patients; furthermore, this drug may have therapeutic efficacy for a number of different neuropsychiatric conditions, ranging from Tourette syndrome to schizophrenia...
December 2016: Psychoneuroendocrinology
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