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https://www.readbyqxmd.com/read/29733400/acute-and-chronic-effects-of-two-different-intravenous-iloprost-regimens-in-systemic-sclerosis-a-pragmatic-non-randomized-trial
#1
Tommaso Schioppo, Annalisa Orenti, Patrizia Boracchi, Orazio De Lucia, Antonella Murgo, Francesca Ingegnoli
Objectives: I.v. iloprost (ILO) may be used in the treatment of refractory RP and digital ulcers. We aim to evaluate the acute and chronic effects of two different ILO regimens by power Doppler US (PDUS) and nailfold videocapillaroscopy. Methods: In this 3-month single-centre pragmatic non-randomized trial, 96 SSc patients were included and stratified according to ILO treatment as: no ILO (group A), ILO once monthly (group B) and ILO for five consecutive days (group C)...
May 3, 2018: Rheumatology
https://www.readbyqxmd.com/read/29718009/pulmonary-vasoreactivity-and-phenotypes-in-pulmonary-arterial-hypertension-associated-to-connective-tissue-diseases
#2
José Luis Hernández-Oropeza, Tatiana Sofía Rodríguez-Reyna, Diego Luis Carrillo-Pérez, José de Jesús Rodríguez-Andoney, René Narváez-David, Yesenia Salado-Morales, Eduardo Rivero-Sigarroa, Guillermo Domínguez-Cherit, Tomás Pulido-Zamudio
Background: Pulmonary arterial hypertension (PAH) is a fatal complication in patients with connective tissue disease (CTD). Objective: The objective of the study was to study the prognostic value of the acute pulmonary vasoreactivity test with inhaled iloprost and its association with clinical deterioration in a tertiary care academic medical center. Methods: We conducted a prospective study of patients with CTD and the diagnosis of PAH established by right heart catheterization...
2018: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/29706243/practical-suggestions-on-intravenous-iloprost-in-raynaud-s-phenomenon-and-digital-ulcer-secondary-to-systemic-sclerosis-systematic-literature-review-and-expert-consensus
#3
REVIEW
Francesca Ingegnoli, Tommaso Schioppo, Yannick Allanore, Roberto Caporali, Michele Colaci, Oliver Distler, Daniel E Furst, Nicolas Hunzelmann, Florenzo Iannone, Dinesh Khanna, Marco Matucci-Cerinic
BACKGROUND: Systemic sclerosis (SSc) is an autoimmune chronic disease characterized by vascular impairment, immune dysfunction and collagen deposition. Raynaud's phenomenon (RP) and digital ulcers (DU) are prominent features of SSc. Intravenous (IV) iloprost (ILO), according to the recently updated EULAR recommendations, is indicated for RP after failure of oral therapy. Moreover, IV ILO could be useful in DU healing. IV ILO is currently available mainly on the European market approved for RP secondary to SSc with 3-5 days infusion cycle...
April 4, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29696058/our-20-year-experience-with-experimental-colonic-anastomotic-healing
#4
REVIEW
Dimitrios Raptis, Manousos-Georgios Pramateftakis, Ioannis Kanellos
Aim: To present our experience with experimental colonic anastomoses and compare it with the results of other experienced researchers. Materials and Method: The published experimental studies of our research group up to 1996, as well as results of other researchers in this field, are demonstrated and discussed. Different actions of administered substances on the anastomotic healing were compared and represented. Various chemotherapeutic agents were evaluated in experimental models without colorectal cancer as independent risk factors for the anastomotic healing...
January 2018: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29658630/lumbar-sympathectomy-versus-prostanoids-for-critical-limb-ischaemia-due-to-non-reconstructable-peripheral-arterial-disease
#5
REVIEW
Indrani Sen, Sunil Agarwal, Prathap Tharyan, Rachel Forster
BACKGROUND: Peripheral arterial disease (PAD) is a common circulatory problem that can lead to reduced blood flow to the limbs, which may result in critical limb ischaemia (CLI), a painful manifestation that occurs when a person is at rest. The mainstay of treatment for CLI is surgical or endovascular repair. However, when these means of treatment are not suitable, due to anatomical reasons or comorbidities, treatment for pain is limited. Lumbar sympathectomy and prostanoids have both been shown to reduce pain from CLI in people who suffer from non-reconstructable PAD, but there is currently insufficient evidence to determine if one treatment is superior...
April 16, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29602289/effect-of-iloprost-on-contractile-impairment-and-mitochondrial-degeneration-in-ischemia-reperfusion-of-skeletal-muscle
#6
Z Bagis, M Ozeren, B Buyukakilli, E Balli, S Yaman, D Yetkin, D Ovla
Purpose Acute lower extremity ischemia is still a main cause of mortality and morbidity in orthopedic traumatology and reconstructive surgery. In acute lower extremity ischemia, the skeletal muscles are the tissues that are the most vulnerable to ischemia. The aim of this study was to evaluate the effects of iloprost (IL) therapy on skeletal muscle contractile impairment and mitochondrial degeneration in an acute lower extremity ischemia-reperfusion rat model. Main Methods Forty Wistar albino rats were randomly divided into a control group and four experimental groups...
March 1, 2018: Physiology International
https://www.readbyqxmd.com/read/29588339/selective-prostacyclin-receptor-agonist-selexipag-in-contrast-to-prostacyclin-analogs-does-not-evoke-paradoxical-vasoconstriction-of-rat-femoral-artery
#7
Keith Morrison, Franck Haag, Roland Ernst, Marc Iglarz, Martine Clozel
Selexipag is a selective non-prostanoid prostacyclin (PGI2 ) receptor (IP receptor) agonist that is approved for the treatment of pulmonary arterial hypertension (PAH). In contrast to selexipag, PGI2 analogs used in the clinic are non-selective agonists at prostanoid receptors and can also activate contractile EP3 receptors. Leg pain is a common side effect in patients receiving treatment with PGI2 analogs and peripheral vasoconstriction can be responsible for side effects related to muscular ischemia. This study tested the hypothesis that PGI2 analogs could cause paradoxical vasoconstriction of the femoral artery via EP3 receptor activation but that only vasorelaxation would be observed in response to selexipag and its active metabolite ACT-333679...
March 27, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29550521/effects-of-the-no-soluble-guanylate-cyclase-cgmp-system-on-the-functions-of-human-platelets
#8
REVIEW
Stephanie Makhoul, Elena Walter, Oliver Pagel, Ulrich Walter, Albert Sickmann, Stepan Gambaryan, Albert Smolenski, René P Zahedi, Kerstin Jurk
Platelets are circulating sentinels of vascular integrity and are activated, inhibited, or modulated by multiple hormones, vasoactive substances or drugs. Endothelium- or drug-derived NO strongly inhibits platelet activation via activation of the soluble guanylate cyclase (sGC) and cGMP elevation, often in synergy with cAMP-elevation by prostacyclin. However, the molecular mechanisms and diversity of cGMP effects in platelets are poorly understood and sometimes controversial. Recently, we established the quantitative human platelet proteome, the iloprost/prostacyclin/cAMP/protein kinase A (PKA)-regulated phosphoproteome, and the interactions of the ADP- and iloprost/prostacyclin-affected phosphoproteome...
March 14, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29550009/iloprost-induces-dental-pulp-angiogenesis-in-a-growth-factor-free-3-dimensional-organ-culture-system
#9
Sonntana Seang, Prasit Pavasant, Chalida N Limjeerajarus
INTRODUCTION: Angiogenesis is a key determinant in dental pulp regeneration. Iloprost is a synthetic prostacyclin that promotes angiogenesis. A three-dimensional culture that mimics the in vivo condition has been used in tissue engineering. This study investigated the effect of iloprost on promoting dental pulp angiogenesis by using the tooth slice organ culture system. METHODS: Tooth slices with intact pulp tissue were cut from molars extracted from 12 patients...
March 14, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29546917/-the-role-of-pulmonary-hypertension-on-bronchopulmonary-dysplasia
#10
D Valenzuela, F Moya, M Luco, J L Tapia
50 years ago, Northway described Broncopulmonary Dysplasia (BPD) in preterm infants exposed to mechanical ventilation. Since then, their survival has increased, nevertheless a "new BPD" has appeared and its incidence has not diminished. One of the characteristics of this pathology is the the abnormal vascular remodeling, which in its most severe expression is known as Pulmonary Hyper tension (PH); with an incidence of 17% in patients with BPD, which is proportional to the severity of the disease (33% in severe BPD), and as mortality factor (up to 48% 2-year mortality in PH-BPD)...
December 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/29527168/cefminox-a-dual-agonist-of-prostacyclin-receptor-and-peroxisome-proliferator-activated-receptor-gamma-identified-by-virtual-screening-has-therapeutic-efficacy-against-hypoxia-induced-pulmonary-hypertension-in-rats
#11
Jingwen Xia, Li Yang, Liang Dong, Mengjie Niu, Shengli Zhang, Zhiwei Yang, Gulinuer Wumaier, Ying Li, Xiaomin Wei, Yi Gong, Ning Zhu, Shengqing Li
Prostacyclin receptor (IP) and peroxisome proliferator-activated receptor-gamma (PPARγ) are both potential targets for treatment of pulmonary arterial hypertension (PAH). Expression of IP and PPARγ decreases in PAH, suggesting that screening of dual agonists of IP and PPARγ might be an efficient method for drug discovery. Virtual screening (VS) of potential IP-PPARγ dual-targeting agonists was performed in the ZINC database. Ten of the identified compounds were further screened, and cefminox was found to dramatically inhibit growth of PASMCs with no obvious cytotoxicity...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29525197/perioperative-management-of-pregnant-women-with-idiopathic-pulmonary-arterial-hypertension-an-observational-case-series-study-from-china
#12
Jinglan Zhang, Jiakai Lu, Xiaorui Zhou, Xuefeng Xu, Qing Ye, Qitan Ou, Yanna Li, Jiapeng Huang
OBJECTIVES: The mortality of pregnant women with idiopathic pulmonary arterial hypertension (PAH) is very high. There are limited data on the management of idiopathic PAH during pregnancy. The authors aimed to examine systematically the characteristics of parturient women with idiopathic PAH, to explore the adverse effects of idiopathic PAH on pregnancy outcomes, and to report the multidisciplinary perioperative management strategy from the largest comprehensive cardiac hospital in China...
March 7, 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29470737/the-safety-of-iloprost-in-systemic-sclerosis-in-a-real-life-experience
#13
S Bellando-Randone, C Bruni, G Lepri, G Fiori, F Bartoli, M L Conforti, A Moggi-Pignone, S Guiducci, D Giuggioli, M Colaci, A Spinella, C Ferri, M Matucci-Cerinic
Iloprost (ILO) is employed intravenously for the treatment of severe Raynaud phenomenon (RP) and digital ulcers (DU) in systemic sclerosis (SSc). The aim of this study was to evaluate the safety and tolerability of the intravenous treatment with ILO in different phases of SSc. Eighty-one consecutive non-selected SSc patients, all on nifedipine, with moderate RP, treated with ILO infusion, were retrospectively evaluated. Patients were sub classified according to the edematous or fibrotic/atrophic cutaneous phase of the disease...
May 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29431644/induction-of-microrna-199-by-nitric-oxide-in-endothelial-cells-is-required-for-nitrovasodilator-resistance-via-targeting-of-prostaglandin-i2-synthase
#14
Yong-Ping Bai, Jia-Xiong Zhang, Quan Sun, Ji-Peng Zhou, Jing-Min Luo, Ling-Fang He, Xing-Chi Lin, Ling-Ping Zhu, Wan-Zhou Wu, Zhen-Yu Wang, Guo-Gang Zhang
Background -Nitrates are widely used to treat coronary artery disease, but their therapeutic value is compromised by nitrate tolerance, owing to the dysfunction of prostaglandin I2 synthase (PTGIS). Micro RNAs (miRNAs) repress target gene expression and are recognized as important epigenetic regulators of endothelial function. The aim of this study was to determine whether nitrates induce nitrovasodilator resistance via microRNA-dependent repression of PTGIS gene expression. Methods -Nitrovasodilator resistance was induced by nitroglycerin (GTN; 100 mg/kg/day, 3 days) infusion in Apoe -/- mice...
February 5, 2018: Circulation
https://www.readbyqxmd.com/read/29426959/acute-effect-of-inhaled-iloprost-in-children-with-pulmonary-arterial-hypertension-associated-with-simple-congenital-heart-defects
#15
Qiangqiang Li, Konstantinos Dimopoulos, Chen Zhang, Yan Zhu, Qian Liu, Hong Gu
Inhaled prostacyclin analogue iloprost is currently utilized in adult patients with pulmonary arterial hypertension (PAH), but little information is available on its use in the pediatric population. This study evaluated the safety and acute haemodynamic effects of inhaled iloprost in children with PAH associated with congenital heart disease (CHD). Children with PAH-CHD who underwent cardiac catheterization and iloprost administration in our catheter laboratory between June 2007 and October 2015 were included...
April 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29425544/ranibizumab-and-digital-ischemia
#16
R Attal, I Lazareth, G Angelopoulos, P Priollet
Case report of a patient with age-related macular degeneration whose digital ischemia can most plausibly be attributed to ranibizumab. PURPOSE: To report ranibizumab as the probable cause of digital ischemia in a patient treated for age-related macular degeneration. METHODS: Single-patient case report. RESULTS: An 83-year-old woman with an unremarkable medical history suffered acute ischemia in her left hand with necrosis of the distal phalange of the fifth finger after six intravitreal injections of ranibizumab...
February 2018: Journal de Médecine Vasculaire
https://www.readbyqxmd.com/read/29409385/evidence-for-increase-in-finger-blood-flow-evaluated-by-laser-doppler-flowmetry-following-iloprost-infusion-in-patients-with-systemic-sclerosis-a-week-long-observational-longitudinal-study
#17
C Rotondo, M Nivuori, A Chialà, E Praino, M Matucci Cerinic, M Cutolo, G Lapadula, F Iannone
OBJECTIVES: Iloprost plays an important role in the treatment of Raynaud's phenomenon (RP), but has transient vasodilatory effects owing to its very short half-time. We aimed to evaluate short- and medium-term haemodynamic effects of iloprost by measuring dorsal finger microvessel blood flow using laser Doppler flowmetry (LDF), in patients with RP associated with systemic sclerosis (SSc). METHOD: In 24 consecutive SSc patients with RP (disease duration 10.5 ± 1...
February 7, 2018: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29408757/therapeutic-administration-of-inhaled-ins1009-a-treprostinil-prodrug-formulation-inhibits-bleomycin-induced-pulmonary-fibrosis-in-rats
#18
Michel R Corboz, Jimin Zhang, Daniel LaSala, Keith DiPetrillo, Zhili Li, Vladimir Malinin, Jeremy Brower, Philip J Kuehl, Ted E Barrett, Walter R Perkins, Richard W Chapman
Idiopathic pulmonary fibrosis is a progressive and lethal disease and while there are now two approved drugs (Esbriet® and Ofev® ) additional effective treatments are still needed. Recently, prostacyclin analogs such as iloprost and treprostinil (TRE) have been shown to exert some protection against bleomycin-induced pulmonary fibrosis in mice when administered in a prophylactic regimen. In this study, we evaluated the effect of the inhaled treprostinil prodrug hexadecyl-treprostinil (C16TR) formulated in a lipid nanoparticle (INS1009) administered therapeutically in a fibrotic rat model...
April 2018: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29343759/incorporation-of-iloprost-in-phospholipase-resistant-phospholipid-scaffold-enhances-its-barrier-protective-effects-on-pulmonary-endothelium
#19
Olga Oskolkova, Nicolene Sarich, Yufeng Tian, Grzegorz Gawlak, Fanyong Meng, Valery N Bochkov, Evgeny Berdyshev, Anna A Birukova, Konstantin G Birukov
Correction of barrier dysfunction and inflammation in acute lung injury (ALI) represents an important problem. Previous studies demonstrate barrier-protective and anti-inflammatory effects of bioactive lipid prostacyclin and its stable analog iloprost (ILO). We generated a phospholipase resistant synthetic phospholipid with iloprost attached at the sn-2 position (ILO-PC) and investigated its biological effects. In comparison to free ILO, ILO-PC caused sustained endothelial cell (EC) barrier enhancement, linked to more prolonged activation of Rap1 and Rac1 GTPases and their cytoskeletal and cell junction effectors: cortactin, PAK1, p120-catenin and VE-cadherin...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29315006/the-role-of-iloprost-on-bone-edema-and-osteonecrosis-safety-and-clinical-results
#20
REVIEW
Ippokratis Pountos, Peter V Giannoudis
Iloprost is a commercially available prostaglandin I2 (PGI2 ) analogue that is shown to have antithrombotic, vasodilatative and antiproliferative effects. A number of clinical studies have shown that Iloprost can be effective in the management of bone marrow oedema and the treatment of avascular necrosis. The aim of this manuscript is to present our current understanding on the effect of Iloprost on the treatment of these conditions. Areas covered: The authors offer a comprehensive review of the existing literature on the experimental and clinical studies analysing the effect of Iloprost on bone, bone marrow oedema and avascular necrosis...
March 2018: Expert Opinion on Drug Safety
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