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https://www.readbyqxmd.com/read/30095637/the-effects-of-respiratory-inhaled-drugs-on-the-prevention-of-acute-mountain-sickness
#1
Xiaomei Wang, Hong Chen, Rong Li, Weiling Fu, Chunyan Yao
BACKGROUND: Acute mountain sickness (AMS) is common in high-altitude travelers, and may lead to life-threatening high-altitude cerebral edema (HACE) or high-altitude pulmonary edema (HAPE). The inhaled drugs have a much lower peak serum concentrations and a shorter half-life period than oral drugs, which give them a special character, greater local effects in the lung. Meanwhile, short-term administration of inhaled drugs results in almost no adverse reactions. METHODS: We chose inhaled ipratropium bromide/salbutamol sulfate (combivent, COM), budesonide (pulmicortrespules, BUD), and salbutamol sulfate (ventolin, VEN) in our study to investigate their prophylactic efficacy against AMS...
August 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29037248/quantifying-the-importance-of-inhaler-attributes-corresponding-to-items-in-the-patient-satisfaction-and-preference-questionnaire-in-patients-using-combivent-respimat
#2
Kimberly H Davis, Jun Su, Juan Marcos González, Jeremiah J Trudeau, Lauren M Nelson, Brett Hauber, Kelly A Hollis
BACKGROUND: Physicians consider ease of use, satisfaction, and preferences when prescribing an inhaler device. These factors may impact appropriate usage and compliance. METHODS: The objectives were to quantify the relative importance of inhaler attributes in patients currently using Combivent Respimat by eliciting preferences for performance and convenience attributes assessed by items in the Patient Satisfaction and Preference Questionnaire (PASAPQ). Using a pharmacy database, 19,964 adults in the United States who filled ≥2 Combivent Respimat prescriptions were identified...
October 16, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28412680/study-on-effect-of-combivent-combined-with-glucocorticoids-in-the-treatment-of-patients-with-aecopd
#3
Xin Zhao, Hongling Wang, Dalu Song, Yanwei Wang, Hong Yu, Shuhong Yu
We observed the effect of Combivent combined with glucocorticoids in the treatment of patients with AECOPD to explore a better drug treatment for AECOPD. The clinical observation of two clinical curative effective was carried out. Firstly, 100 patients were equally divided into treatment group and control group, who were given basic treatment. The control group was treated with inhalation of salbutamol sulfate and the other was with inhalation of Combivent and glucocorticoid. The clinical effect, dyspnea score, PaO2, PaCO2 and pulmonary function index were observed and compared...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/26945929/efficiency-of-ipratropium-bromide-and-albuterol-deposition-in-the-lung-delivered-via-a-soft-mist-inhaler-or-chlorofluorocarbon-metered-dose-inhaler
#4
RANDOMIZED CONTROLLED TRIAL
T R MacGregor, R ZuWallack, V Rubano, M A Castles, H Dewberry, M Ghafouri, C C Wood
The propellant-free Combivent Respimat Soft Mist Inhaler (CVT-R) was developed to replace the chlorofluorocarbon-propelled Combivent metered-dose inhaler (CVT-MDI). This steady-state pharmacokinetic (PK) substudy evaluated drug lung-delivery efficiency, using data from two phase III safety and efficacy trials. PK parameters were obtained from well-controlled population PK analyses. Area under the plasma concentration-time curve (AUC), maximum observed plasma concentration (C(max)), and minimum observed plasma concentration (C(min)) showed systemic exposure to ipratropium bromide and albuterol delivered via the CVT-R was proportional to ex-mouthpiece delivered dose...
April 2016: Clinical and Translational Science
https://www.readbyqxmd.com/read/24791863/interleukin-32-not-reduced-by-salmeterol-fluticasone-propionate-in-smokers-with-chronic-obstructive-pulmonary-disease
#5
RANDOMIZED CONTROLLED TRIAL
Yipeng Du, Wei Wang, Wei Yang, Bei He
BACKGROUND: The interleukin (IL)-32/tumor necrosis factor (TNF) a pathway is supposed to play a key role in the amplification of the immune response in chronic obstructive pulmonary disease (COPD) inflammation. Inhaled corticosteroids (ICS) in combination with long-acting β2-agonists (LABA) have shown airway anti-inflammatory effects in recent studies, but the mechanism is still uncertain. METHODS: Patients were treated in a randomized, open-labeled, parallel group clinical trial with either a combination of salmeterol xinafoate/fluticasone propionate (SF; Seretide, GlaxoSmithKline) Diskus (50/500 µg twice daily) or ipratropium bromide/salbutamol (IS; Combivent, Boehringer Ingelheim) MDI (42 µg/240 µg quartic daily) for 12 weeks...
2014: Chinese Medical Journal
https://www.readbyqxmd.com/read/23886498/inhalation-toxicity-of-soman-vapor-in-non-anesthetized-rats-a-preliminary-assessment-of-inhaled-bronchodilator-or-steroid-therapy
#6
Michael W Perkins, Benjamin Wong, Ashley Rodriguez, Jennifer L Devorak, Derron A Alves, Gleeson Murphy, Alfred M Sciuto
Respiratory toxicity, injury and treatment following vapor inhalational exposure to the chemical warfare nerve agent (CWNA) soman (GD) were examined in non-anesthetized rats. This study exposed male Sprague-Dawley rats (250-300g) to 520, 560, 600, 825 or 1410mg×min/m(3) of soman in a customized head-out inhalation system. Signs of CWNA-induced cholinergic crises were observed in all soman-exposed animals. The LCt50 of vaporized soman as determined by probit analysis was 593.1mg×min/m(3). All animals exposed to 825 and 1410mg×min/m(3) developed severe convulsions and died within 4-8min post-exposure...
December 5, 2013: Chemico-biological Interactions
https://www.readbyqxmd.com/read/23768736/the-effect-of-bronchodilators-administered-via-aerochamber-or-a-nebulizer-on-inspiratory-lung-function-parameters
#7
RANDOMIZED CONTROLLED TRIAL
S K Ramlal, F J Visser, W C J Hop, P N R Dekhuijzen, Y F Heijdra
BACKGROUND: In chronic obstructive pulmonary disease (COPD) the clinical efficacy of bronchodilator therapy delivered via a nebulizer versus an aerochamber on FEV1 is controversial. No studies comparing changes in inspiratory pulmonary function parameters (ILPs) using these inhaler devices are currently available. This information might be of interest because due to dynamic bronchial compression, the relationship between the ILPs and dyspnea is more reliable than that between FEV1 and dyspnea...
September 2013: Respiratory Medicine
https://www.readbyqxmd.com/read/22766316/preclinical-efficacy-of-thrx-200495-a-dual-pharmacology-muscarinic-receptor-antagonist-and-%C3%AE-2-adrenoceptor-agonist-maba
#8
Alexander McNamara, Tod Steinfeld, Maria Teresa Pulido-Rios, Eric Stangeland, Sharath S Hegde, Mathai Mammen, William J Martin
Combinations of a muscarinic receptor antagonist (MA) and a β(2)-adrenoceptor agonist (BA) improve bronchodilation in COPD patients to a greater extent than drugs with either mechanism alone. Here, using an in vivo model of bronchoprotection in guinea pigs, we characterize a single agent with dual-acting MA and BA activity, THRX-200495 (MABA). THRX-200495 was compared to a fixed-dose combination of a short-acting muscarinic receptor antagonist (SAMA) and a β(2)-adrenoceptor agonist (SABA). The SAMA/SABA combination consisted of a 1:5...
October 2012: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/21611573/an-unusual-cause-of-pleuritic-chest-pain
#9
Evelyn S Tan, Pierre J Willemse, Ahmed H Abdelhafiz
A 77 year old man presented to A&E with sudden onset left sided chest pain. This chest pain was severe enough to wake him up from sleep in the early hours of the morning. The pain was pleuritic in nature and severe enough to require administration of intravenous morphine. He had a past medical history of ischaemic heart disease (1997), pulmonary embolism (1997), and left sided pnuemothorax (1998). Drug history consisted of lansoprazole 30mg od, isosorbide mononitrate 60mg od, nicorandil 10mg bd, aspirin 75mg od, beclomethasone 100 inhaler 1 puff bd, salbutamol 100 inhaler prn and combivent nebuliser qds...
2008: Acute Medicine
https://www.readbyqxmd.com/read/20172704/efficacy-and-safety-of-ipratropium-bromide-albuterol-delivered-via-respimat-inhaler-versus-mdi
#10
RANDOMIZED CONTROLLED TRIAL
R Zuwallack, M C De Salvo, T Kaelin, E D Bateman, C S Park, R Abrahams, F Fakih, P Sachs, K Pudi, Y Zhao, C C Wood
We compared the efficacy and safety of ipratropium bromide/albuterol delivered via Respimat inhaler, a novel propellant-free inhaler, versus chlorofluorocarbon (CFC)-metered dose inhaler (MDI) and ipratropium Respimat inhaler in patients with COPD. This was a multinational, randomized, double-blind, double-dummy, 12-week, parallel-group, active-controlled study. Patients with moderate to severe COPD were randomized to ipratropium bromide/albuterol (20/100mcg) Respimat inhaler, ipratropium bromide/albuterol MDI [36mcg/206mcg (Combivent Inhalation Aerosol MDI)], or ipratropium bromide (20mcg) Respimat inhaler...
August 2010: Respiratory Medicine
https://www.readbyqxmd.com/read/20163324/inhaled-albuterol-salbutamol-and-ipratropium-bromide-and-their-combination-in-the-treatment-of-chronic-obstructive-pulmonary-disease
#11
REVIEW
Joshiah Gordon, Ralph J Panos
IMPORTANCE OF THE FIELD: Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and mortality throughout the world. Combination therapy with albuterol and ipratropium bromide was approved > 15 years ago for the treatment of COPD. We review the mechanism of action, clinical efficacy, and safety of albuterol, ipratropium and combined albuterol-ipratropium therapy. AREAS COVERED IN THIS REVIEW: We conducted a PubMed literature search using the keywords COPD, albuterol, ipratropium bromide and Combivent (Boehringer Ingelheim Corp...
March 2010: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/17932959/comparison-of-delivery-characteristics-from-a-combination-metered-dose-inhaler-using-the-andersen-cascade-impactor-and-the-next-generation-pharmaceutical-impactor
#12
COMPARATIVE STUDY
Changning Guo, Stacey R Gillespie, John Kauffman, William H Doub
The purpose of this research was to compare two cascade impaction devices for the aerodynamic particle size assessment of a combination metered-dose inhaler (MDI) product, Combivent. Particle size analysis was performed using an Anderson Mark II cascade impactor (ACI) and a Next Generation Pharmaceutical Impactor (NGI), both fitted with a preseparator and either a 1 L glass chamber or USP throat, and operated at various flow rates. Particle size distributions (PSDs) and dose delivery profiles were assessed by means of the mass median aerodynamic diameter (MMAD), geometric standard deviation (GSD), fine particle fraction <5 micron aerodynamic diameter (FPF(<5 microm)), and induction port deposition fraction (IPF)...
August 2008: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/17034300/generating-monodisperse-pharmacological-aerosols-using-the-spinning-top-aerosol-generator
#13
Martyn F Biddiscombe, Peter J Barnes, Omar S Usmani
Pharmacological aerosols of precisely controlled particle size and narrow dispersity can be generated using the spinning-top aerosol generator (STAG). The ability of the STAG to generate monodisperse aerosols from solutions of raw drug compounds makes it a valuable research instrument. In this paper, the versatility of this instrument has been further demonstrated by aerosolizing a range of commercially available nebulized pulmonary therapy preparations. Nebules of Flixotide (fluticasone propionate), Pulmicort (budesonide), Combivent (salbutamol sulphate and ipratropium bromide), Bricanyl (terbutaline sulphate), Atrovent(ipratropium bromide), and Salamol (salbutamol sulphate) were each mixed with ethanol and delivered to the STAG...
2006: Journal of Aerosol Medicine: the Official Journal of the International Society for Aerosols in Medicine
https://www.readbyqxmd.com/read/12810191/long-acting-beta-2-adrenoceptor-agonists-or-tiotropium-bromide-for-patients-with-copd-is-combination-therapy-justified
#14
REVIEW
Rachel C Tennant, Edward M Erin, Peter J Barnes, Trevor T Hansel
Bronchodilators are the mainstay of therapy for patients with established chronic obstructive pulmonary disease (COPD) but, at present, the majority of patients use short-acting agents. There is increasing evidence that long-acting agents, such as the beta(2)-adrenoceptor agonists salmeterol and formeterol, and the new anticholinergic tiotropium bromide provide a better therapeutic option. In the treatment of COPD, long-acting beta(2)-adrenoceptor agonists (LABAs) given twice daily cause the same degree of bronchodilation as tiotropium bromide given once daily...
June 2003: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/11889971/pharmacoeconomy-of-adult-asthmatics
#15
F Gazdik, A Hrmova, K Gazdikova
UNLABELLED: Asthma bronchiale represents serious social and economic problems in all over the world. Financial expenses are elevated every year. THE AIM: Of the presented study was to analyze the current therapeutic approach in the management of bronchial asthma and to evaluate pharmacoeconomic aspects of treatment in selected outdoor asthmatic patients in region of Kosice (Eastern Slovakia). PATIENTS: The data of the total number 297 patients (183 females--61...
2001: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/9404747/routine-nebulized-ipratropium-and-albuterol-together-are-better-than-either-alone-in-copd-the-combivent-inhalation-solution-study-group
#16
RANDOMIZED CONTROLLED TRIAL
(no author information available yet)
STUDY OBJECTIVE: We compared the long-term safety and efficacy of the combination ipratropium bromide (IB) and albuterol sulfate (ALB) inhalation solution with that of each separate component using three-times-daily administration. DESIGN: Using a parallel design, we randomized patients to receive 3.0 mg ALB, 0.5 mg IB, or the combination by small-volume nebulizer (SVN) for 85 days. Subjects were allowed to use up to two extra doses of study medication daily for control of symptoms on an as-needed basis...
December 1997: Chest
https://www.readbyqxmd.com/read/9275135/nebulized-salbutamol-with-and-without-ipratropium-bromide-in-the-treatment-of-acute-asthma
#17
RANDOMIZED CONTROLLED TRIAL
J E Garrett, G I Town, P Rodwell, A M Kelly
BACKGROUND: Routine addition of ipratropium bromide to beta-agonist therapy in acute asthma is of uncertain benefit. OBJECTIVE: This study was carried out to evaluate: (1) whether nebulized ipratropium (0.5 mg) plus salbutamol (2.5 mg) (Combivent) confers additional bronchodilation over nebulized salbutamol (2.5 mg) alone in patients with acute asthma and (2) whether adjustment for prognostic indicators of outcome influences any benefit seen with ipratropium. METHODS: A double-blind, two-center, randomized, single-dose study was performed in 338 patients with asthma, aged 18 to 55 years, who attended the emergency department for treatment of acute asthma...
August 1997: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/9041974/the-clinical-efficacy-of-combination-nebulized-anticholinergic-and-adrenergic-bronchodilators-vs-nebulized-adrenergic-bronchodilator-alone-in-acute-asthma-canadian-combivent-study-group
#18
RANDOMIZED CONTROLLED TRIAL
J M FitzGerald, A Grunfeld, P D Pare, R D Levy, M T Newhouse, R Hodder, K R Chapman
The role of ipratropium bromide as adjunct therapy to beta-agonists in acute asthma is uncertain. We therefore decided to compare the use of 3 mg of salbutamol sulfate alone vs 3 mg salbutamol sulfate with 0.5 mg ipratropium bromide in patients with acute asthma. Patients presenting with acute asthma and an FEV1 less than 70% predicted were randomized to a single combination treatment vs salbutamol alone. All patients received supplemental oxygen and methylpred-nisolone, 125 mg, IV. Baseline measurements were repeated at 45 and 90 min and these included spirometry, oximetry, and vital signs...
February 1997: Chest
https://www.readbyqxmd.com/read/8181328/in-chronic-obstructive-pulmonary-disease-a-combination-of-ipratropium-and-albuterol-is-more-effective-than-either-agent-alone-an-85-day-multicenter-trial-combivent-inhalation-aerosol-study-group
#19
RANDOMIZED CONTROLLED TRIAL
(no author information available yet)
Combination bronchodilator therapy for chronic obstructive pulmonary disease (COPD) is available widely throughout the world except in North America. Previous studies have yielded conflicting results regarding the advantages of combining anticholinergic therapy with sympathomimetic therapy in COPD. We report the results of a 12-week prospective, double-blind, parallel-group evaluation of the use of the following: albuterol, a beta-adrenergic agent; ipratropium, an anticholinergic agent; or a combination of the two, administered by metered-dose inhaler to patients with moderately severe stable COPD...
May 1994: Chest
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