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https://www.readbyqxmd.com/read/28300873/the-renoprotective-effect-of-oral-tadalafil-pretreatment-on-ischemia-reperfusion-injury-in-rats
#1
Vanessa de Fátima Lima Paiva Medeiros, Ítalo Medeiros Azevedo, Marília Daniela Ferreira Carvalho, Cláudia Nunes Oliveira, Eryvaldo Sócrates Tabosa do Egito, Aldo Cunha Medeiros
To evaluate the effect of tadalafil in renal ischemia/reperfusion (I/R) injury in rats Methods: Group I/R saline rats (n=6) were subjected to 45 minutes of left renal ischemia and treated with saline; the I/R tadalafil rats (n=6) received oral 10mg/kg tadalafil microemulsion one hour before ischemia. In both groups, 8 hours after ischemia, laboratory analysis were performed Results: Better tissue perfusion was lower in ischemic left/kidney than in right/kidney in saline group, suggesting reduced kidney clearance...
February 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28295481/effects-of-taking-tadalafil-5%C3%A2-mg-once-daily-on-erectile-function-and-total-testosterone-levels-in-patients-with-metabolic-syndrome
#2
L Ozcan, E C Polat, R Kocaaslan, E Onen, A Otunctemur, E Ozbek
We aimed to evaluate the efficacy of tadalafil 5 mg once-daily treatment on testosterone levels in patients with erectile dysfunction (ED) accompanied by the metabolic syndrome. A total of 40 men with metabolic syndrome were evaluated for ED in this study. All the patients received 5 mg tadalafil once a day for 3 months. Erectile function was assessed using the five-item version of the International Index of Erectile Function (IIEF) questionnaire. Serum testosterone, follicle-stimulating hormone and luteinising hormone levels were also evaluated, and blood samples were taken between 08...
March 15, 2017: Andrologia
https://www.readbyqxmd.com/read/28283895/influence-of-the-pde5-inhibitor-tadalafil-on-redox-status-and-antioxidant-defense-system-in-c2c12-skeletal-muscle-cells
#3
Guglielmo Duranti, Roberta Ceci, Paolo Sgrò, Stefania Sabatini, Luigi Di Luigi
Phosphodiesterase type 5 inhibitors (PDE5Is), widely known for their beneficial effects onto male erectile dysfunction, seem to exert favorable effects onto metabolism as well. Tadalafil exposure increases oxidative metabolism of C2C12 skeletal muscle cells. A rise in fatty acid (FA) metabolism, requiring more oxygen, could induce a larger reactive oxygen species (ROS) release as a byproduct thus leading to a redox imbalance. The aim of this study was to determine how PDE5I tadalafil influences redox status in skeletal muscle cells to match the increasing oxidative metabolism...
March 11, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28279499/tadalafil-in-idiopathic-or-heritable-pulmonary-arterial-hypertension-pah-compared-to-pah-associated-with-connective-tissue-disease
#4
Nazzareno Galiè, Christopher P Denton, Fabio Dardi, Alessandra Manes, Gaia Mazzanti, Baohui Li, Lucio Varanese, Anne Esler, Cathi Harmon, Massimiliano Palazzini
BACKGROUND: The primary objective of this post hoc analysis was to evaluate clinical outcomes of tadalafil in patients with pulmonary arterial hypertension (PAH) associated with connective tissue disease (CTD-PAH) compared with patients with idiopathic/heritable PAH (I/H-PAH) for primary and key secondary efficacy endpoints, and safety. This analysis included adult patients with CTD-PAH or I/H-PAH who participated in the PHIRST and PHIRST-2 studies. METHODS: Patients were randomized 1:1:1:1:1 to tadalafil (2...
February 22, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28277870/safety-and-effectiveness-of-tadalafil-in-patients-with-pulmonary-arterial-hypertension-japan-post-marketing-surveillance-data
#5
Hiroyoshi Yamazaki, Noriko Kobayashi, Masanori Taketsuna, Koyuki Tajima, Masahiro Murakami
OBJECTIVE: To evaluate the long-term safety and effectiveness of tadalafil in patients with pulmonary arterial hypertension (PAH) in real-world clinical practice. METHODS: This prospective, multicenter, noninterventional, post-marketing surveillance included patients with PAH who were observed for up to 2 years after initiation of tadalafil. Safety was assessed by analyzing the frequency of adverse drug reactions (ADRs), discontinuations due to adverse events (AEs), and serious adverse drug reactions (SADRs)...
February 21, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28261676/efficacy-of-phosphodiesterase-type-5-inhibitors-for-the-treatment-of-distal-ureteral-calculi-a-systematic-review-and-meta-analysis
#6
Carlos Eduardo Montes Cardona, Herney Andrés García-Perdomo
PURPOSE: To determine the efficacy of phosphodiesterase type 5 inhibitors (PDE5i) as medical expulsive therapy (MET) for the treatment of distal ureteral calculi. MATERIALS AND METHODS: A search strategy was conducted in the MEDLINE, CENTRAL, and Embase databases. Searches were also conducted in other databases and unpublished literature. Clinical trials were included without language restrictions. The risk of bias was evaluated with the Cochrane Collaboration's tool...
March 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28248021/-new-data-on-the-effectiveness-of-tadalafil-alone-and-in-combination-with-neyrodoz-in-treating-erectile-dysfunction-associated-with-secondary-premature-ejaculation
#7
N D Akhvlediani, I P Matyukhov
AIM: To compare the effectiveness of the phosphodiesterase type 5 inhibitor (PDE-5i) tadalafil alone and in combination with a biologically active dietary supplement (BADS) NeyroDoz, containing the precursors of serotonin in patients with erectile dysfunction (ED) associated with secondary premature ejaculation (SPE). MATERIAL AND METHODS: 105 patients (mean age 36.2+/-9.1 years) with concomitant ED and SPE were included in a prospective study and divided into 2 groups...
November 2016: Urologii︠a︡
https://www.readbyqxmd.com/read/28245726/effect-of-tadalafil-administration-on-insulin-secretion-and-insulin-sensitivity-in-obese-men
#8
Manuel González-Ortiz, Esperanza Martínez-Abundis, Diana M Hernández-Corona, Alejandra M Ramírez-Rodríguez
AIM: To evaluate the effect of tadalafil administration on insulin secretion and insulin sensitivity in obese men without diabetes. METHODS: A randomized, double-blind, placebo-controlled clinical trial was carried out in obese male patients between 30 and 50 years of age. Eighteen subjects were randomly assigned to two groups of nine patients each. During a 28-day period, subjects received 5 mg orally of tadalafil or placebo each night. Patients were evaluated before and after the intervention...
February 28, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28243299/assessment-of-the-role-of-no-cgmp-pathway-in-orthodontic-tooth-movement-using-pde5-inhibitors-an-animal-study
#9
Amir Hossein Mirhashemi, Mohammad Sadegh Ahmad Akhoundi, Rezvaneh Ghazanfari, Shahroo Etemad-Moghadam, Mojgan Alaeddini, Azam Khorshidian, Ahmad Reza Dehpour, Nafiseh Momeni
OBJECTIVES: Nitric oxide (NO) is a signaling molecule that mediates mechanical bone loading. Cyclic guanosine 3', 5' monophosphate (cGMP) is a NO-induced effector molecule. The aim of this study was to assess the effect of NO-cGMP pathway on orthodontic tooth movement (OTM) in rats by use of two phosphodiesterase 5 (PDE5) inhibitors namely sildenafil and tadalafil as chemical tools. MATERIALS AND METHODS: Forty-five male Wistar rats were divided into three equal groups (n=15) based on the substance they received...
November 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28238269/long-acting-pde5-inhibitor-tadalafil-prevents-early-doxorubicin-induced-left-ventricle-diastolic-dysfunction-in-juvenile-mice-potential-role-of-cytoskeletal-proteins
#10
Mohamed Nagiub, Scott Filippone, David Durrant, Anindita Das, Rakesh C Kukreja
The chemotherapeutic use of doxorubicin (Dox) is hindered due to the development of irreversible cardiotoxicity. Specifically, childhood cancer survivors are at greater risk of Dox-induced cardiovascular complications. Because of the potent cardioprotective effect of phosphodiesterase 5 (PDE5) inhibitors, we examined the effect of long-acting PDE5 inhibitor tadalafil (Tada) against Dox cardiotoxicity in juvenile mice. C57BL/6J mice (6 weeks old) were treated with Dox (20 mg/kg, i.v.) and (or) Tada (10 mg/kg daily for 14 days, p...
March 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28215172/the-phosphodiesterase-5-inhibitors-pde-5i-for-erectile-dysfunction-ed-a-therapeutic-challenge-for-psychiatrists
#11
Chong Siew Koon, Hatta Sidi, Jaya Kumar, Srijit Das, Ong Wan Xi, Muhammad Hizri Hatta, Cesar Alfonso
Erectile function (EF) is a prerequisite for satisfactory sexual intercourse (SI) and central to male sexual functioning. Satisfactory SI eventually leads to orgasm - a biopsychophysiological state of euphoria - leading to a sense of bliss, enjoyment and positive mental well being. For a psychiatrist, treating ED is self-propelled to harmonize these pleasurable experiences alongside with encouragement of physical wellness and sensuality. Hence, the role of PDE-5i is pivotal in the context of treating ED constitutes a therapeutic challenge...
February 15, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28213937/targeting-phosphodiesterase-5-as-a-therapeutic-option-against-myocardial-ischemia-reperfusion-injury-and-in-treating-heart-failure
#12
REVIEW
Sevil Korkmaz-Icöz, Tamás Radovits, Gábor Szabó
Phosphodiesterase type 5 (PDE5) selectively hydrolyses the second messenger cyclic 3´-5´guanosine monophosphate (cGMP) into 5'-GMP, thereby regulating its intracellular concentrations. Dysregulation of the cGMP-dependent pathway plays a significant role in various cardiovascular diseases. Therefore, its modulation by drugs, such as PDE5 inhibitors, may represent an effective therapeutic approach. There are currently four PDE5 inhibitors available for the treatment of erectile dysfunction: sildenafil, vardenafil, tadalafil, and avanafil...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28197557/doubly-charged-trimeric-cluster-ions-effective-in-mutual-chiral-recognition-of-tadalafil-and-three-proton-pump-inhibitors
#13
Lu Wang, Yunfeng Chai, Wenquan Zhu, Yuanjiang Pan, Cuirong Sun, Su Zeng
Mutual chiral recognition of four stereoisomers of tadalafil and three pairs of enantiomers of proton pump inhibitors (PPIs) including pantoprazole, lansoprazole, and omeprazole, as well as quantitative analysis of enantiomeric excess is achieved on the basis of the competitive fragmentation of doubly charged trimeric Ni(II) cluster ions. Compared with a singly charged trimeric cluster ion, a doubly charged trimeric cluster ion was proved efficient in the recognition of chiral drugs with one or multiple chiral centers, due to its rich fragmentation ions...
February 15, 2017: Analyst
https://www.readbyqxmd.com/read/28188129/enhancement-of-fracture-healing-in-the-rat-modulated-by-compounds-that-stimulate-inducible-nitric-oxide-synthase-acceleration-of-fracture-healing-via-inducible-nitric-oxide-synthase
#14
R A Rajfer, A Kilic, A S Neviaser, L M Schulte, S M Hlaing, J Landeros, M G Ferrini, E Ebramzadeh, S-H Park
OBJECTIVES: We investigated the effects on fracture healing of two up-regulators of inducible nitric oxide synthase (iNOS) in a rat model of an open femoral osteotomy: tadalafil, a phosphodiesterase inhibitor, and the recently reported nutraceutical, COMB-4 (consisting of L-citrulline, Paullinia cupana, ginger and muira puama), given orally for either 14 or 42 days. MATERIALS AND METHODS: Unilateral femoral osteotomies were created in 58 male rats and fixed with an intramedullary compression nail...
February 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28163808/the-protective-effect-of-l-arginine-tadalafil-and-their-combination-in-rat-testes-after-ischemia-and-reperfusion-injury
#15
Gokhun Ozmerdiven, Burhan Coskun, Onur Kaygisiz, Berna Aytac Vuruskan, Burak Asiltas, Hakan Kilicarslan
INTRODUCTION: Nitric oxide (NO) plays an important role in the ischemia and reperfusion process. In this study, we aimed to examine the effect of L-arginine, tadalafil, and their combination for prevention of the ischemia reperfusion injury after testis torsion in rats. METHODS: A total of 40 adult, male Sprague-Dawley rats were allocated into five groups. Three hours of left testicular torsion was performed in each group, excluding the control group. While the ischemia reperfusion (I/R) group had no treatment, I/R + Arg group received L-arginine, I/R + Td group received tadalafil and I/R + Arg + Td group received tadalafil and L-arginine 30 minutes before the detorsion...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28163539/inhibition-by-tadalafil-of-contractility-of-isolated-nonpregnant-human-myometrium
#16
Sumalya Sen, Anitha Thomas, Saibal Das, Jayanta Kumar Dey, Abraham Peedicayil, Vinotha Thomas, Jacob Peedicayil
OBJECTIVE: To investigate the inhibitory effect of tadalafil on the contractility of isolated nonpregnant human myometrium. MATERIALS AND METHODS: The ability of tadalafil (25, 40, and 63 μM) to inhibit 55 mM KCl-induced contractility of isolated nonpregnant human myometrium was studied. The ability of the ATP-sensitive potassium channel blocker glibenclamide (10 μM) and the calcium-sensitive potassium channel (BKCa) blocker iberiotoxin (100 nM) to reverse the inhibitory effect of 40 μM tadalafil on 55 mM KCl-induced myometrial contractility was also studied...
October 2016: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/28162817/re-efficacy-and-safety-of-tadalafil-5mg-once-daily-in-the-treatment-of-lower-urinary-tract-symptoms-associated-with-benign-prostatic-hyperplasia-in-men-aged-%C3%A2-75-years-integrated-analyses-of-pooled-data-from-multinational-randomized-placebo-controlled-clinical
#17
https://www.readbyqxmd.com/read/28150511/investigation-of-pde5-pde6-and-pde5-pde11-selective-potent-tadalafil-like-pde5-inhibitors-using-combination-of-molecular-modeling-approaches-molecular-fingerprint-based-virtual-screening-protocols-and-structure-based-pharmacophore-development
#18
Gülru Kayık, Nurcan Ş Tüzün, Serdar Durdagi
The essential biological function of phosphodiesterase (PDE) type enzymes is to regulate the cytoplasmic levels of intracellular second messengers, 3',5'-cyclic guanosine monophosphate (cGMP) and/or 3',5'-cyclic adenosine monophosphate (cAMP). PDE targets have 11 isoenzymes. Of these enzymes, PDE5 has attracted a special attention over the years after its recognition as being the target enzyme in treating erectile dysfunction. Due to the amino acid sequence and the secondary structural similarity of PDE6 and PDE11 with the catalytic domain of PDE5, first-generation PDE5 inhibitors (i...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28133708/tadalafil-improves-lean-mass-and-endothelial-function-in-nonobese-men-with-mild-ed-luts-in-vivo-and-in-vitro-characterization
#19
Antonio Aversa, Simona Fittipaldi, Davide Francomano, Viviana M Bimonte, Emanuela A Greco, Clara Crescioli, Luigi Di Luigi, Andrea Lenzi, Silvia Migliaccio
PURPOSE: Phosphodiesterase type-5 inhibitor administration in diabetic men with erectile dysfunction (ED) is associated with reduced waist circumference. We evaluated potential effects of daily tadalafil administration on body composition and investigated its possible mechanism(s) of action in C2C12 skeletal muscle cells in vitro. METHODS: Forty-three men on stable caloric intake (mean age 48.5 ± 7; BMI 25.5 ± 0.9 kg/m(2)) complaining mild ED and/or low urinary tract symptoms (LUTS) were randomly assigned to receive tadalafil (TAD) 5 mg/daily (once-a-day=OAD-TAD; n = 23) or 20 mg on-demand (on-demand=OD-TAD; n = 20) for 2 months...
January 30, 2017: Endocrine
https://www.readbyqxmd.com/read/28123046/pde5-inhibitor-tadalafil-and-hydroxychloroquine-co-treatment-provides-synergistic-protection-against-type-2-diabetes-and-myocardial-infarction-in-mice
#20
Rui Wang, Lei Xi, Rakesh C Kukreja
Diabetes is associated with high risk of ischemic heart disease. We previously showed that phosphodiesterase 5 inhibitor - tadalafil (TAD) induces cardioprotection against ischemia/ reperfusion (I/R) injury in diabetic mice. Hydroxychloroquine (HCQ) is a widely used antimalarial and anti-inflammatory drug, which was reported to reduce hyperglycemia in diabetic patients. Therefore we hypothesized that combination of TAD and HCQ may induce synergistic cardioprotection in diabetes. We also investigated the role of insulin-Akt-mTOR signaling, which regulates protein synthesis and cell survival...
January 25, 2017: Journal of Pharmacology and Experimental Therapeutics
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