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N Bensalah, S Garcia, F X Rose, P Bedouch, O Conort, M Juste, R Roubille, B Allenet, M Tod, B Charpiat
OBJECTIVE: Combination of alpha-blockers with potent CYP3A4 inhibitors is either contra-indicated or not recommended. We searched data supporting this classification and guiding prescribers when such an interaction occurs. METHODS: We analyzed reports published by the French agency for drug safety, reference books and performed search in databases of pharmacokinetics studies and case or case series related with these interactions. RESULTS: The classification of the potential severity of these interactions defined by the French agency for drug safety evolved over time...
March 29, 2017: Progrès en Urologie
Mohamed A Hammad, Mahmoud A Omar, Baher I Salman
A highly sensitive, cheap, simple and accurate spectrofluorimetric method has been developed and validated for the determination of alfuzosin hydrochloride and terazosin hydrochloride in their pharmaceutical dosage forms and in human plasma. The developed method is based on the reaction of the primary amine moiety in the studied drugs with acetylacetone and formaldehyde according to the Hantzsch reaction, producing yellow fluorescent products that can be measured spectrofluorimetrically at 480 nm after excitation at 415 nm...
March 17, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
Takashi Kitaguchi, Yuta Moriyama, Tomohiko Taniguchi, Sanae Maeda, Hiroyuki Ando, Takaaki Uda, Koji Otabe, Masao Oguchi, Shigekazu Shimizu, Hiroyuki Saito, Atsushi Toratani, Mahoko Asayama, Wataru Yamamoto, Emi Matsumoto, Daisuke Saji, Hiroki Ohnaka, Norimasa Miyamoto
INTRODUCTION: The use of multi-electrode arrays (MEA) in combination with human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) provides a promising method to predict comprehensive cardiotoxicity, including drug-induced QT prolongation and arrhythmia. We previously demonstrated that MEA in combination with hiPSC-CMs could provide a generalizable platform by using 7 reference drugs at 10 testing facilities. Using this approach, we evaluated responses to reference drugs that modulate a range of cardiac ion currents and have a range of arrhythmogenic effects...
February 2, 2017: Journal of Pharmacological and Toxicological Methods
Ihab A Hekal
OBJECTIVE: To provide a guide for medication to alleviate bothersome lower urinary tract symptoms (LUTS) in patients after JJ ureteric stenting. PATIENTS AND METHODS: Between June 2011 and June 2015, a prospective randomised placebo-controlled study was conducted on 200 consecutive cases of ureteric stones that required JJ stents. All patients had signed informed consent and JJ-stent placement confirmed by X-ray. The patients were randomised into five groups: A, solifenacin 5 mg; B, trospium chloride 20 mg; C, antispasmodic; and E, α-blocker; and a placebo group (D)...
December 2016: Arab Journal of Urology
Evaggelos Kiriazopoulos, Sabina Zaharaki, Ariadni Vonaparti, Panagiota Vourna, Eirini Panteri-Petratou, Dimitra Gennimata, Kara Lombardo, Irene Panderi
The use of cephalosporins during breast feeding raises several issues, including the risk of drug exposure through breast milk for the infant. In this article a hydrophilic interaction liquid chromatography/ positive ion electrospray mass spectrometric assay (HILIC/ESI-MS) was developed for the quantitation of cefuroxime, cefoxitin and cefazolin in breast milk and human plasma. The assay was based on the use of small sample size, 25 μL of biological samples, following acetonitrile precipitation of proteins and filtration that enabled injection into the HILIC/ESI-MS system...
October 7, 2016: Drug Testing and Analysis
Paweł Paśko, Tomasz Rodacki, Renata Domagała-Rodacka, Danuta Owczarek
Benign prostatic hyperplasia (BPH) is the most common disease in elderly men. BPH symptoms include frequent urination, urgent tenesmus and urination at night, a weak and interrupted urine flow and a sense of incomplete emptying of the bladder. Alpha- 1 adrenergic receptor antagonists and 5 α-reductase inhibitors form the most important groups of medications employed in BPH. Appropriately managed BPH patients shall be subject to counselling on interactions between agents belonging to these groups, and on particular components of the food they have...
October 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Letteria Minutoli, Mariagrazia Rinaldi, Herbert Marini, Natasha Irrera, Giovanni Crea, Cesare Lorenzini, Domenico Puzzolo, Andrea Valenti, Antonina Pisani, Elena B Adamo, Domenica Altavilla, Francesco Squadrito, Antonio Micali
Benign prostatic hyperplasia (BPH) is a chronic condition common in older men that can result in bothersome lower urinary tract symptoms. The molecular mechanisms and networks underlying the development and the progression of the disease are still far from being fully understood. BPH results from smooth muscle cell and epithelial cell proliferation, primarily within the transition zone of the prostate. Apoptosis and inflammation play important roles in the control of cell growth and in the maintenance of tissue homeostasis...
August 11, 2016: International Journal of Molecular Sciences
Faik Kose, Zafer Turkyilmaz, Kaan Sonmez, Ramazan Karabulut, Aylar Poyraz, Ozlem Gulbahar, Arzu Aral, Cagri Damar, Cem Kaya, Abdullah Can Basaklar
BACKGROUND: In this study, it was aimed to determine the effects of alfuzosin on experimentally generated unilateral partial ureteropelvic junction obstruction (UPO) in rats. MATERIALS AND METHODS: Thirty Long-Evans rats were randomly allocated into five groups. In control group (C), nothing was performed; in group Sham (S) only laparotomy was done; in Alfuzosin group (A) only alfuzosin was administered for two weeks (10 mg/kg/day p.o.) without any surgery; in UPO group, unilateral UP junction obstruction was produced; and in the Group UPT (ureteropelvic obstruction + treatment), alfuzosin was administered for two weeks (10 mg/kg/day p...
September 2016: Renal Failure
Xiaozhen Guo, Hao Wu, Shiwen Guo, Yating Shi, Juanli DU, Panpan Zhu, Liming DU
Polymeric ionic liquid-coated magnetic nanoparticles have been successfully prepared as adsorbents for the magnetic solid-phase extraction of four drugs, namely alfuzosin, doxazosin, terazosin and prazosin, from pharmaceutical preparations, urine samples and plasma samples. The four drugs were detected by fluorescence spectrophotometer. Several extraction parameters, including the pH of the solution; the type, ratio and volume of the desorbing reagent; the amount of adsorbent; the time of the extraction and desorption processes; and the addition of NaCl, were investigated and optimized...
2016: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
I P Chatziralli, V Peponis, E Parikakis, A Maniatea, E Patsea, P Mitropoulos
PurposeTo evaluate risk factors for intraoperative floppy iris syndrome (IFIS) in patients undergoing phacoemulsification.MethodsParticipants in the study were 1274 consecutive patients, who underwent routine phacoemulsification cataract surgery. The following data were recorded and evaluated as possible risk factors: ophthalmological conditions, axial length of the eye, sociodemographic features, clinical data (hypertension and diabetes mellitus), medications being taken at the time of surgery, and duration of their intake...
August 2016: Eye
Feng He, Li-Bo Man, Gui-Zhong Li, Ning Liu
OBJECTIVE: To critically evaluate the efficacy of an α-blocker in improving ureteral-stent-related symptoms and preliminarily investigate the difference between different types of α-blockers. METHODS: Relevant randomized controlled trials were identified through searching PubMed, the Cochrane Library, Embase, and other sources. After quality assessment and data abstraction, direct comparison based on the Ureteral Stent-related Symptom Questionnaire (USSQ) between α-blockers and control was performed by RevMan 5...
2016: Drug Design, Development and Therapy
Ali Akkoc, Cemil Aydin, Ramazan Topaktas, Mahir Kartalmis, Selcuk Altin, Kenan Isen, Ahmet Metin
PURPOSE: Postoperative urinary retention (POUR) is one of the most common complications after surgical procedures under spinal anaesthesia. Recent studies have shown the beneficial effects of alpha-adrenergic blockers in preventing POUR. The aim of this prospective study was to investigate and compare the prophylactic effects of tamsulosin and alfuzosin on POUR after urologic surgical procedures under spinal anaesthesia. MATERIALS AND METHODS: A total of 180 males who underwent elective urologic surgery were included in this study...
May 2016: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Theresa Conze, Axel Wehrend, Cornelia Exner, André Kaminiarz
A rhesus macaque (Macaca mulatta) was presented for anuria. Examination revealed calcium oxalate concrements in the bladder. A cystotomy was performed, and a therapy with alfuzosin was conducted. Over 1 year after the treatment, the rhesus macaque had not shown any more signs of stranguria. This is the first case reporting the successful treatment of urolithiasis in a rhesus macaque.
August 2016: Journal of Medical Primatology
R Manjunatha, H P Pundarikaksha, H R Madhusudhana, J Amarkumar, B K Hanumantharaju
OBJECTIVES: Benign prostatic hyperplasia (BPH) is a common and progressive disease affecting elderly males, often associated with lower urinary tract symptoms (LUTS). α1-blockers are the mainstay in symptomatic therapy of BPH. Because of their greater uroselectivity and minimal hemodynamic effects, alfuzosin, tamsulosin, and silodosin are generally preferred. The aim of this study was to compare the efficacy and tolerability of alfuzosin, tamsulosin, and silodosin in patients with BPH and LUTS...
March 2016: Indian Journal of Pharmacology
Waleed Shabana, Mohamed Teleb, Tamer Dawod, Hisham Abu Taha, Alla Abdulla, Ashraf Shahin, Mahmoud Eladl, Safwat Abo-Hashem
OBJECTIVES: To compare the safety and efficacy of tamsulosin, alfuzosin, and their combinations with methylprednisolone, in the medical management of lower ureteric stones. PATIENTS AND METHODS: Between September 2012 and June 2014, patients diagnosed with a single lower ureteric stone of ⩽10 mm (longest dimension) were enrolled. Patients with urinary tract infection, severe hydronephrosis, pregnancy, hypertension, diabetes, ulcer disease, or renal insufficiency were excluded...
March 2016: Arab Journal of Urology
Amanda Forbes, Shailendra Anoopkumar-Dukie, Russ Chess-Williams, Catherine McDermott
BACKGROUND: Some α1 -adrenoceptor antagonists possess anti-cancer actions that are independent of α1 -adrenoceptors and the aim of these studies was to assess the relative cytotoxic potencies of α1 -adrenoceptor antagonists and the mechanisms involved in these actions. METHODS: PC-3 and LNCap human prostate cancer cells were exposed to α1 -adrenoceptor antagonists (0.01-100 μM) and cell survival assessed after 24-72 hr. The levels of apoptosis, autophagy and stress related proteins were also determined...
June 2016: Prostate
Ferdinando Fusco, Alessandro Palmieri, Vincenzo Ficarra, Gianluca Giannarini, Giacomo Novara, Nicola Longo, Paolo Verze, Massimiliano Creta, Vincenzo Mirone
CONTEXT: The urodynamic outcomes for α1-blockers (ABs) treatment in patients with lower urinary tract symptoms related to benign prostatic enlargement (LUTS/BPE) is a matter of debate. OBJECTIVE: To perform a systematic review and meta-analysis of studies evaluating the ABs urodynamic outcomes in patients with LUTS/BPE. The primary endpoint was variation in bladder outlet obstruction index (BOOI). Secondary endpoints were the maximum urinary flow rate (Qmax) and detrusor pressure at Qmax (PdetQmax)...
June 2016: European Urology
Nijaguni Revansiddayya Rudraswamy-Math, Vankdari Rama-Mohan Gupta
Alfuzosin hydrochloride is a novel drug used in the treatment of urinary incontinency. The purpose of this research was to develop controlled release floating matrix formulations of Alfuzosin HCl. Floating matrix tablets of Alfuzosin HCl were prepared using hydroxypropyl methylcellulose (HPMC), Polyethylene oxide (PEO), Carbopol 971P NF polymer (Direct compressible) and Blend of Polyvinyl Acetate and Povidone 30 (80:19:1(0.8% sodium laury sulfate and 0.2% silica)). Combination of citric acid and sodium bicarbonate were also used as gas forming agent...
November 2015: Pakistan Journal of Pharmaceutical Sciences
Sharon Armarnik, Michael Mimouni, Eli Rosen, Ehud I Assia, Fani Segev
BACKGROUND: We aimed to report a simple technique that involves modified anterior (to the limbus) elongated corneal incisions in order to reduce the incidence and severity of intraoperative floppy iris syndrome (IFIS) and related complications. METHODS: This was a retrospective study of phacoemulsification cataract surgeries performed by a single surgeon on patients receiving tamsulosin or alfuzosin between 1 January 2009 and 31 July 2012 at Meir Medical Center, Kfar-Sava, Israel...
January 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
Selçuk Altın, Tunç Ozan, Selçuk İlhan, Nevin İlhan, Rahmi Onur
OBJECTIVE: This study is a placebo-controlled comparison of the response to alfuzosin treatment for lower urinary tract symptoms (LUTS) in patients with and without metabolic syndrome (MetS). MATERIAL AND METHODS: A total of 80 men with LUTS were included in the study. Patients had a maximum flow rate of <15 mL/sec, prostate volume of >20 mL, and International Prostate Symptom Score (IPSS) of >8. All eligible men (n=68) for evaluation were initially divided into two groups as MetS (n=34) and non-MetS (n=34) groups...
September 2015: Turkish Journal of Urology
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