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Raffaele Nuzzi, Paolo Arnoffi, Federico Tridico
Background: Intraoperative Floppy Iris Syndrome (IFIS) is an important cause of surgical complications and iris defects in patients undergoing phacoemulsification that were treated with selective subtype α1A receptor antagonists for a long period of time. To date, no definitive preventive strategy has emerged, yet. The need of prophylaxis is dictated by the high prevalence of males affected by benign prostatic hyperplasia undergoing cataract surgery. Objective: To identify the best prophylactic strategy in groups at risk of IFIS development by comparing two mydriatic treatments in course of phacoemulsification surgery...
2018: Open Ophthalmology Journal
Zhi-Feng Wei, Kai Zhou, Jie Dong, Dian Fu, Xiao-Feng Xu, Ping Li, Wen Cheng, Zheng-Yu Zhang
Objective: To study the therapeutic effect of Lamiophlomis Rotata Capsule (LRC) in the treatment of type ⅢB prostatitis. METHODS: We randomly divided 225 patients with type ⅢB prostatitis into an experimental group (n =125) and a control group (n =120), the former treated orally with LRC at 3 capsules tid while the latter with tamsulosin hydrochloride sustained-release capsules at 0.2 mg qd, both for 4 weeks. We compared the therapeutic effects between the two groups of patients based on the National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) obtained before, immediately after and at 4 weeks after medication...
December 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
Steven A Kaplan, Bilal I Chughtai
INTRODUCTION: Although tamsulosin is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH), it has also been assessed in clinical studies for other conditions/symptoms and in other populations such as women and children. In this systematic review of randomized studies, the overall safety of tamsulosin was assessed, focusing on these understudied populations. METHODS: Literature searches were conducted using Embase, Medline, and PubMed (inception-December 2015)...
May 8, 2018: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
Andreas Lunacek, Badereddin Mohamad Al-Ali, Christian Radmayr, Maria Weber, Wolfgang Horninger, Oliver Findl, Eugen Plas
Introduction: The use of alpha-1 receptor antagonists in the treatment of benign prostatic hyperplasia (BPH) has created a problem in ophthalmic surgery, the so-called intraoperative floppy iris syndrome (IFIS). This consists of a billowing iris, insufficient pupillary dilation with progressive intraoperative miosis, and protrusion of iris tissue through the tunnel and side port incision that are made for access to the anterior chamber during surgery. IFIS presents particular difficulties in cataract surgery which is carried out through the pupil with manipulations in the immediate vicinity of the iris...
2018: Central European Journal of Urology
Güven Erbay, Ahmet Yalçın, Mehmet HamzaGültekin
OBJECTIVE: To investigate the role of renal resistive and pulsatile index levels measured with renal Doppler ultrasonography in predicting the success of medical expulsive treatment in patients with ureteral stones. MATERIAL AND METHODS: The patients admitted to our clinic between January and December 2017 with a ureteral stone of less than 1 cm in diameter were evaluated in terms of their resistive and pulsatile indices obtained using Doppler ultrasonography, and the localization and diameter of their stone and grade of hydronephrosis using computed tomography at the time of admission...
May 2, 2018: Urology
Ji-Yeong Byeon, Yun Jeong Lee, Young-Hoon Kim, Se-Hyung Kim, Choong-Min Lee, Jung-Woo Bae, Choon-Gon Jang, Seok-Yong Lee, Chang-Ik Choi
Tamsulosin, a selective antagonist of the α1 -adrenoceptor, is primarily metabolized by CYP3A4 and CYP2D6, and tamsulosin exposure is significantly increased according to the genetic polymorphism of CYP2D6. In this study, we investigated the effects of diltiazem, a moderate inhibitor of CYP3A4, on the pharmacokinetics of tamsulosin in subjects with different CYP2D6 genotypes. Twenty-three healthy Korean male subjects with CYP2D6*wt/*wt (*wt = *1 or *2) and CYP2D6*10/*10 were enrolled in the prospective, open-label, two-phase parallel pharmacokinetic study...
May 4, 2018: Archives of Pharmacal Research
Marco Dellabella, Alessandro Branchi, Luca Gasparri, Redi Claudini, Daniele Castellani
PURPOSE: To assess oncological safety and quality of life (QL) of men undergoing simultaneous transurethral resection of bladder tumor (TURBT) and transurethral resection of the prostate (TURP) for symptomatic benign prostatic hyperplasia (BPH). METHODS: Ninety-five men with a new diagnosis of bladder cancer (BC) and symptomatic BPH were randomized to receive TURBT + tamsulosin (Group 1) or TURBT + TURP (Group 2). Inclusion criteria were age ≤ 75 years, first diagnosis of BC up to 4 cm, and prostate volume ≤ 80 ml...
May 3, 2018: World Journal of Urology
Xifeng Sun, Wei Guan, Haoran Liu, Kun Tang, Libin Yan, Yangjun Zhang, Jin Zeng, Zhiqiang Chen, Hua Xu, Zhangqun Ye
BACKGROUND: Lower ureteric stones and lower urinary tract symptoms are common in urology.Drug treatment is one of standard therapy,but the efficacy was controversial.Thus we aimed to investigate the efficacy and safety of monotherapy or combination therapy of adrenoceptor1 blockers and phosphodiesterase5 inhibitors for treatment. METHODS: Randomized controlled trials up to November 2016 were retrieved from PubMed, the Cochrane Library, Web of Science and Embase...
May 3, 2018: BMC Urology
Brian T Kelly, Bradley A Locke, Kevin J Kelly
No abstract text is available yet for this article.
April 26, 2018: Journal of Allergy and Clinical Immunology in Practice
Remigio Vela-Navarrete, Antonio Alcaraz, Alfredo Rodríguez-Antolín, Bernardino Miñana López, Jesús M Fernández-Gómez, Javier C Angulo, David Castro Díaz, Javier Romero-Otero, Francisco J Brenes, Joaquín Carballido, José M Molero García, Antonio Fernández-Pro Ledesma, José Manuel Cózar Olmos, José Manasanch Dalmau, Isaac Subirana Cachinero, Michael Herdman, Vincenzo Ficarra
OBJECTIVES: To comprehensively evaluate the efficacy and safety of the hexanic extract of Serenoa repens (HESr, Permixon), at a dose of 320 mg daily, as monotherapy for the treatment of LUTS/BPH. MATERIALS AND METHODS: Systematic review and meta-analysis of randomized and observational studies in patients with LUTS/BPH identified through searches in Medline, Web of Knowledge [ISI], Scopus, the Cochrane Library, and bibliographic references up to March 2017. Articles studying S...
April 25, 2018: BJU International
Enio S A Pacini, Anthony C S Castilho, Flavia Hebeler-Barbosa, Andre S Pupo, Luiz R A Kiguti
The cauda epididymis (CE), the site of sperm storage until the ejaculation, is densely innervated by the sympathetic nervous system. Contraction of CE smooth muscle via α1 -adrenoceptors (α1 -ARs) plays a key role during the seminal emission phase of ejaculation and α1 -ARs antagonism has been suggested as a non-hormonal and reversible male contraceptive target. As the α1 -ARs subtype mediating contraction of rat CE is not known this study investigates the expression and role of α1 -ARs subtypes on the proximal and distal rat CE duct contraction to norepinephrine in vitro...
April 23, 2018: Journal of Pharmacology and Experimental Therapeutics
Briohny H Spencer, Catherine M McDermott, Russ Chess-Williams, David Christie, Shailendra Anoopkumar-Dukie
BACKGROUND/AIMS: Docetaxel is currently the first-line chemotherapeutic agent available for the treatment of patients with advanced prostate cancer (PCa). While docetaxel has been shown to modestly improve survival times for patients; they also experience significant docetaxel-induced toxicities. If treatment failure occurs, there are currently limited alternatives that show survival benefits for patients and therefore there is an urgent need for adjunct therapies. Some quinazoline-based alpha1-adrenoceptor (ADR) antagonists have previously been shown to have cytotoxic actions in PCa cells, but there is no research into their effects on docetaxel-induced toxicity...
April 17, 2018: Pharmacology
Mehmet Demir, Yigit Akin, Kubra Asena Kapakin Terim, Mehmet Gulum, Evren Buyukfirat, Halil Ciftci, Ercan Yeni
OBJECTIVES: Apoptosis effect of oral alpha-blockers is known in the prostate. Apoptosis index of silodosin has not been proved, yet. Aims are to present apoptosis index of silodosin in prostate and to compare this with other currently used alpha-blocker's apoptosis indexes together with their clinical effects. MATERIALS AND METHODS: Benign prostatic hyperplasia (BPH) patients were enrolled among those admitted to urology outpatient clinic between June 2014 and June 2015...
March 18, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Eu Chang Hwang, Shreyas Gandhi, Jae H Jung
PURPOSE OF REVIEW: To date it is unclear whether the selectivity of new alpha-blockers to alpha-adrenergic receptor subtypes translates into more clinical benefits and less adverse effects in clinical practice. We performed a systematic review of the two new Abs silodosin and naftopidil. With the availability of numerous alpha-blockers to treat lower urinary tract symptoms secondary to benign prostatic hyperplasia, the findings of this review will be highly relevant to the field of urology...
May 2018: Current Opinion in Urology
Il-Gyu Ko, Lakkyong Hwang, Jun-Jang Jin, Sang-Hoon Kim, Jin Hee Han, Jung Won Jeon, Sung Tae Cho
PURPOSE: Benign prostatic hyperplasia (BPH) impacts quality of life in men by causing lower urinary tract symptoms. α1-Adrenoceptor (α1-AR) blockers improve lower urinary tract symptoms. We investigated the efficacy of add-on therapy with α1-AR blockers on BPH rats. METHODS: Rats in the drug-treated groups were orally administered each drug once a day for 30 days after orchiectomy. To induce BPH, rats were castrated and testosterone (20 mg/kg) was injected subcutaneously once per day for 30 days...
March 2018: International Neurourology Journal
Eman I El-Kimary, Essam F Khamis, Saeid F Belal, Mona M Abdel Moneim
Two novel combination therapies for the treatment of benign prostatic hyperplasia were analyzed using simple and enhanced spectrofluorimetric methods based on derivative and derivative ratio techniques. The two combinations contained tamsulosin hydrochloride (TAM) as a minor component with tolterodine tartrate (TOL) or solifenacin succinate (SOL). The fluorescence of the three drugs under study was measured in methanolic water solution. For the TAM and SOL mixture, successful resolution between both drugs was achieved by derivative manipulation of both ratio and zero-order emission spectra with good linearity in the ranges of 0...
March 26, 2018: Luminescence: the Journal of Biological and Chemical Luminescence
Ilona A Kaczmarek, Marek E Prost, Jaromir Wasyluk
PURPOSE: To evaluate the incidence of and factors associated with intraoperative floppy iris syndrome (IFIS) in patients undergoing cataract phacoemulsification. METHODS: In total, 319 eyes of 319 patients who underwent phacoemulsification with implantation of an intraocular lens (IOL) into the posterior chamber were included in this study. Direct injection of epinephrine into the anterior chamber was performed in all cases. The following patient information was collected: gender, age, axial length of the eye, presence of pseudoexfoliation syndrome, glaucoma, diabetes mellitus, hypertension, current use of medications including alpha1 adrenergic receptor antagonists (alpha1-ARAs), finasteride, and benzodiazepines, duration of intake of alpha1-ARAs and finasteride, and duration of the surgery...
March 17, 2018: International Ophthalmology
Akira Furuta, Yasuyuki Suzuki, Taro Igarashi, Yusuke Koike, Shin Egawa, Naoki Yoshimura
PURPOSE: To investigate the effects of combined treatment of tadalafil (a phosphodiesterase-5 inhibitor) and tamsulosin (an α1 -adrenoceptor antagonist) on bladder dysfunction in a rat model of bladder outlet obstruction (BOO). METHODS: Cystometry was performed in conscious female BOO rats 6 weeks after partially ligation of the urethra. Either tadalafil (0.03, 0.1 and 0.3 mg/kg) or tamsulosin (0.001, 0.003 and 0.01 mg/kg) was cumulatively applied intravenously at 30-min intervals to examine changes in cystometric parameters and blood pressures...
May 2018: International Urology and Nephrology
Jae Hoon Chung, Cheol Young Oh, Jae Heon Kim, U-Syn Ha, Tae Hyo Kim, Seung Hwan Lee, Jun Hyun Han, Jae Hyun Bae, In Ho Chang, Deok Hyun Han, Tag Keun Yoo, Jae Il Chung, Sae Woong Kim, Jina Jung, Yong-Il Kim, Seung Wook Lee
OBJECTIVE: To verify the efficacy and safety of tamsulosin 0.4 mg and tamsulosin 0.2 mg compared with those of placebo in patients with lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH). METHODS: A total of 494 patients from multiple centers participated in this double-blind, randomized, phase 3 trial. Eligible patients were randomly assigned to the tamsulosin 0.4 mg group, tamsulosin 0.2 mg group or placebo group. The International Prostate Symptom Score (IPSS), maximum flow rate (Qmax), post-void residual (PVR) urine volume, blood pressure, heart rate and adverse events were compared among the three groups at 4, 8 and 12 weeks...
April 12, 2018: Current Medical Research and Opinion
Pei-Shan Yang, Chien-Lun Chen, Chen-Pang Hou, Yu-Hsiang Lin, Ke-Hung Tsui
Purpose: The aim of this study was to investigate the efficacy and tolerability of switching from 0.2 mg tamsulosin to 0.4 mg tamsulosin oral controlled absorption system (OCAS) over a 12-week period in Taiwanese men with lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH). Patients and methods: Taiwanese male patients who were dissatisfied with treatment with 0.2 mg tamsulosin were enrolled in this clinical study and switched to 0...
2018: Clinical Interventions in Aging
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