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Inhalated therapy antibiotic

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https://www.readbyqxmd.com/read/28698321/factors-associated-with-non-persistence-to-oral-and-inhaled-antiviral-therapies-for-seasonal-influenza-a-secondary-analysis-of-a-double-blind-multicentre-randomised-clinical-trial
#1
Remi Flicoteaux, Camelia Protopopescu, Annick Tibi, Thierry Blanchon, Sylvie Van Der Werf, Xavier Duval, Anne Mosnier, Cécile Charlois-Ou, Bruno Lina, Catherine Leport, Sylvie Chevret
OBJECTIVES: We aimed to evaluate and compare non-adherence to oral and inhaled antiviral therapies prescribed of a randomised clinical trial in outpatients with influenza A infection. DESIGN: A parallel, three-arm, double-blinded trial randomly allocated antiviral therapies twice daily for 5 days: (1) oral oseltamivir plus inhaled zanamivir (arm OZ); (2) oseltamivir plus inhaled placebo (arm Opz); or (3) oral placebo plus inhaled zanamivir (arm poZ). Analysis of non-adherence was a secondary objective of the trial...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28696235/evaluation-of-combination-drug-therapy-for-treatment-of-antibiotic-resistant-inhalation-anthrax-in-a-murine-model
#2
H S Heine, S V Shadomy, A E Boyer, L Chuvala, R Riggins, A Kesterson, J Myrick, J Craig, M G Candela, J R Barr, K Hendricks, W A Bower, H Walke, G L Drusano
Bacillus anthracis is considered a likely agent to be used as a bioweapon and use of a strain resistance to the first-line antimicrobial treatments is a concern. We determined treatment efficacy against a ciprofloxacin-resistant (C(r)) strain of B. anthracis (C(r) Ames) in a murine inhalational anthrax model. Ten groups of 46 BALB/c mice were exposed by inhalation to 7-35 LD50 of B. anthracis C(r) Ames spores. Commencing at 36 hours (h) post-exposure, groups were administered intraperitoneal doses of sterile water for injections (SWI) and ciprofloxacinalone (control groups), or ciprofloxacin combined with two antimicrobials including meropenem/linezolid, meropenem/clindamycin, meropenem/rifampin, meropenem/doxycycline, penicillin/linezolid, penicillin/doxycycline, rifampin/linezolid, or rifampin/clindamycin at appropriate dosing intervals(6 or 12 hours) for the respective antibiotics...
July 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28687413/effect-of-azithromycin-on-asthma-exacerbations-and-quality-of-life-in-adults-with-persistent-uncontrolled-asthma-amazes-a-randomised-double-blind-placebo-controlled-trial
#3
Peter G Gibson, Ian A Yang, John W Upham, Paul N Reynolds, Sandra Hodge, Alan L James, Christine Jenkins, Matthew J Peters, Guy B Marks, Melissa Baraket, Heather Powell, Steven L Taylor, Lex E X Leong, Geraint B Rogers, Jodie L Simpson
BACKGROUND: Exacerbations of asthma cause a substantial global illness burden. Adults with uncontrolled persistent asthma despite maintenance treatment require additional therapy. Since macrolide antibiotics can be used to treat persistent asthma, we aimed to assess the efficacy and safety of oral azithromycin as add-on therapy in patients with uncontrolled persistent asthma on medium-to-high dose inhaled corticosteroids plus a long-acting bronchodilator. METHODS: We did a randomised, double-blind, placebo controlled parallel group trial to determine whether oral azithromycin decreases the frequency of asthma exacerbations in adults (≥18 years) with symptomatic asthma despite current use of inhaled corticosteroid and long-acting bronchodilator, and who had no hearing impairment or abnormal prolongation of the corrected QT interval...
July 4, 2017: Lancet
https://www.readbyqxmd.com/read/28662114/novel-glycopolymer-sensitizes-burkholderia-cepacia-complex-isolates-from-cystic-fibrosis-patients-to-tobramycin-and-meropenem
#4
Vidya P Narayanaswamy, Scott Giatpaiboon, Shenda M Baker, William P Wiesmann, John J LiPuma, Stacy M Townsend
Burkholderia cepacia complex (Bcc) infection, associated with cystic fibrosis (CF) is intrinsically multidrug resistant to antibiotic treatment making eradication from the CF lung virtually impossible. Infection with Bcc leads to a rapid decline in lung function and is often a contraindication for lung transplant, significantly influencing morbidity and mortality associated with CF disease. Standard treatment frequently involves antibiotic combination therapy. However, no formal strategy has been adopted in clinical practice to guide successful eradication...
2017: PloS One
https://www.readbyqxmd.com/read/28602999/cough-and-bronchiectasis
#5
REVIEW
Paul McCallion, Anthony De Soyza
Bronchiectasis is a chronic lung disease with permanent airway dilatation, mucus retention and recurrent lower respiratory tract infections. Bronchiectasis is increasing in prevalence and has a significant morbidity and an excess mortality rate over age matched controls. It is increasingly identified during investigations into chronic cough and is evident high resolution CT scanning. There remain significant knowledge gaps in our understanding of the epidemiology, pathophysiology, prognosis and optimal treatments in bronchiectasis...
June 7, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28583330/liposomal-andrographolide-dry-powder-inhalers-for-treatment-of-bacterial-pneumonia-via-anti-inflammatory-pathway
#6
Miao Li, Tongtong Zhang, Lifei Zhu, Rui Wang, Yiguang Jin
Andrographolide (AG) is a chemical entity from traditional Chinese herbs and its oral pills have been applied to the treatment of respiratory inflammation. Here we report pulmonary delivery of liposomal AG dry powder inhalers (LADPIs) for treatment of Staphylococcus aureus-induced pneumonia. AG liposomes were prepared with the injection method and then freeze-dried for preparation of LADPIs. AG liposomes were small and stable with a mean size of 77.91nm and a zeta potential of -56.13mV. Liposomes were well recovered after re-hydration of LADPIs that were suitable for pulmonary delivery with a mass mean aerodynamic diameter (MMAD) of 4...
June 2, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28559881/rodent-models-of-invasive-aspergillosis-due-to-aspergillus-fumigatus-still-a-long-path-toward-standardization
#7
REVIEW
Guillaume Desoubeaux, Carolyn Cray
Invasive aspergillosis has been studied in laboratory by the means of plethora of distinct animal models. They were developed to address pathophysiology, therapy, diagnosis, or miscellaneous other concerns associated. However, there are great discrepancies regarding all the experimental variables of animal models, and a thorough focus on them is needed. This systematic review completed a comprehensive bibliographic analysis specifically-based on the technical features of rodent models infected with Aspergillus fumigatus...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28559466/inhaled-drug-therapy-2016-the-year-in-review
#8
REVIEW
Rajiv Dhand
Some recent salient publications related to inhaled drug therapy are discussed. Unexpectedly, a 2.5-μg once-daily dose of tiotropium (Respimat) had greater efficacy than the 5.0-μg daily dose. Occurrence of a reverse dose response serves to caution us that administering more drug is not always beneficial. Small-airway inflammation contributes to pathogenesis of asthma, especially severe asthma. However, there is no conclusive evidence that the use of small-particle aerosols to target small airways improves clinical outcomes in controlled clinical trials...
July 2017: Respiratory Care
https://www.readbyqxmd.com/read/28546381/adjunct-therapies-for-refractory-status-asthmaticus-in-children
#9
Kyle J Rehder
Asthma exacerbation is a common reason for children to present to the emergency department. If primary therapies fail to halt the progression of an asthma flare, status asthmaticus often leads to hospital, and potentially ICU, admission. Following the initial administration of inhaled β agonists and systemic corticosteroids, a wide array of adjunct medical therapies may be used to treat status asthmaticus. Unfortunately, the data supporting the use of these adjunct therapies are often unclear, conflicting, or absent...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28542286/clinical-impact-of-chronic-obstructive-pulmonary-disease-on-non-cystic-fibrosis-bronchiectasis-a-study-on-1-790-patients-from-the-spanish-bronchiectasis-historical-registry
#10
David De la Rosa, Miguel-Angel Martínez-Garcia, Rosa Maria Giron, Montserrat Vendrell, Casilda Olveira, Luis Borderias, Luis Maiz, Antoni Torres, Eva Martinez-Moragon, Olga Rajas, Francisco Casas, Rosa Cordovilla, Javier de Gracia
BACKGROUND: Few studies have evaluated the coexistence of bronchiectasis (BE) and chronic obstructive pulmonary disease (COPD) in series of patients diagnosed primarily with BE. The aim of this study was to analyse the characteristics of patients with BE associated with COPD included in the Spanish Bronchiectasis Historical Registry and compare them to the remaining patients with non-cystic fibrosis BE. METHODS: We conducted a multicentre observational study of historical cohorts, analysing the characteristics of 1,790 patients who had been included in the registry between 2002 and 2011...
2017: PloS One
https://www.readbyqxmd.com/read/28509852/inhaled-antibiotic-therapy-in-chronic-respiratory-diseases
#11
REVIEW
Diego J Maselli, Holly Keyt, Marcos I Restrepo
The management of patients with chronic respiratory diseases affected by difficult to treat infections has become a challenge in clinical practice. Conditions such as cystic fibrosis (CF) and non-CF bronchiectasis require extensive treatment strategies to deal with multidrug resistant pathogens that include Pseudomonas aeruginosa, Methicillin-resistant Staphylococcus aureus, Burkholderia species and non-tuberculous Mycobacteria (NTM). These challenges prompted scientists to deliver antimicrobial agents through the pulmonary system by using inhaled, aerosolized or nebulized antibiotics...
May 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28495619/the-respire-trials-two-phase-iii-randomized-multicentre-placebo-controlled-trials-of-ciprofloxacin-dry-powder-for-inhalation-ciprofloxacin-dpi-in-non-cystic-fibrosis-bronchiectasis
#12
Timothy Aksamit, Tiemo-Joerg Bandel, Margarita Criollo, Anthony De Soyza, J Stuart Elborn, Elisabeth Operschall, Eva Polverino, Katrin Roth, Kevin L Winthrop, Robert Wilson
The primary goals of long-term disease management in non-cystic fibrosis bronchiectasis (NCFB) are to reduce the number of exacerbations, and improve quality of life. However, currently no therapies are licensed for this. Ciprofloxacin Dry Powder for Inhalation (Ciprofloxacin DPI) has potential to be the first long-term intermittent therapy approved to reduce exacerbations in NCFB patients. The RESPIRE programme consists of two international phase III prospective, parallel-group, randomized, double-blinded, multicentre, placebo-controlled trials of the same design...
July 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28479113/pharmacotherapy-for-non-cystic-fibrosis-bronchiectasis-results-from-an-ntm-info-research-patient-survey-and-the-bronchiectasis-and-ntm-research-registry
#13
E Henkle, T R Aksamit, A F Barker, J R Curtis, C L Daley, M L Daniels, A DiMango, E Eden, K Fennelly, D E Griffith, M Johnson, M R Knowles, A Leitman, P Leitman, E Malanga, M L Metersky, P G Noone, A E O'Donnell, K N Olivier, D Prieto, M Salathe, B Thomashow, G Tino, G Turino, S Wisclenny, K L Winthrop
PURPOSE: Non-cystic fibrosis bronchiectasis ("bronchiectasis") is a chronic inflammatory lung disease often associated with nontuberculous mycobacterium (NTM) infection. Very little data exist to guide bronchiectasis management decisions. We sought to describe patterns of inhaled corticosteroid (ICS) and antibiotic therapy in the U.S. METHODS: We invited 2,000 patients through NTM Info & Research (NTMir) to complete an anonymous electronic survey. We separately queried baseline clinical and laboratory data from the U...
May 4, 2017: Chest
https://www.readbyqxmd.com/read/28478753/antibiotic-prescription-patterns-in-spanish-cystic-fibrosis-patients-results-from-a-national-multicenter-study
#14
Juan de Dios Caballero, Rosa Girón, Rosa Del Campo, Concepción Prados, María-Isabel Barrio, Antonio Salcedo, Rafael Cantón
OBJECTIVE: Information about antibiotic prescription patterns for cystic fibrosis (CF) patients and, specifically, about inhaled treatment strategies for their management is lacking in Spain due to the absence of a national patient registry. In this study we present data about antibiotic prescription in the Spanish CF context that were obtained in a multicenter study, being inhaled treatment strategies the special focus of this work. METHODS: Twenty-four specialized CF units (12 adult, 12 pediatric) from 17 tertiary-care hospitals covering all Spanish Autonomous Communities provided sputa and clinical data from 15 consecutive patients...
May 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28476135/the-effects-of-inhaled-aztreonam-on-the-cystic-fibrosis-lung-microbiome
#15
Alya A Heirali, Matthew L Workentine, Nicole Acosta, Ali Poonja, Douglas G Storey, Ranjani Somayaji, Harvey R Rabin, Fiona J Whelan, Michael G Surette, Michael D Parkins
BACKGROUND: Aztreonam lysine for inhalation (AZLI) is an inhaled antibiotic used to treat chronic Pseudomonas aeruginosa infection in CF. AZLI improves lung function and quality of life, and reduces exacerbations-improvements attributed to its antipseudomonal activity. Given the extremely high aztreonam concentrations achieved in the lower airways by nebulization, we speculate this may extend its spectrum of activity to other organisms. As such, we sought to determine if AZLI affects the CF lung microbiome and whether community constituents can be used to predict treatment responsiveness...
May 5, 2017: Microbiome
https://www.readbyqxmd.com/read/28440853/antibiotic-strategies-for-eradicating-pseudomonas-aeruginosa-in-people-with-cystic-fibrosis
#16
REVIEW
Simon C Langton Hewer, Alan R Smyth
BACKGROUND: Respiratory tract infection with Pseudomonas aeruginosa occurs in most people with cystic fibrosis. Once chronic infection is established, Pseudomonas aeruginosa is virtually impossible to eradicate and is associated with increased mortality and morbidity. Early infection may be easier to eradicate.This is an update of a Cochrane review first published in 2003, and previously updated in 2006, 2009 and 2014. OBJECTIVES: To determine whether antibiotic treatment of early Pseudomonas aeruginosa infection in children and adults with cystic fibrosis eradicates the organism, delays the onset of chronic infection, and results in clinical improvement...
April 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28421191/prospective-multicentre-study-on-the-epidemiology-and-current-therapeutic-management-of-severe-bronchiolitis-in-spain
#17
MULTICENTER STUDY
Jose C Flores-González, Juan Mayordomo-Colunga, Iolanda Jordan, Alicia Miras-Veiga, Cristina Montero-Valladares, Marta Olmedilla-Jodar, Andrés J Alcaraz-Romero, Miren Eizmendi-Bereciartua, Francisco Fernández-Carrión, Carmen Santiago-Gutierrez, Esther Aleo-Luján, Sonia Pérez-Quesada, Cristina Yun-Castilla, Carmen Martín, Álvaro Navarro-Mingorance, Concha Goñi-Orayen
Objective. To determine the epidemiology and therapeutic management of patients with severe acute bronchiolitis (AB) admitted to paediatric intensive care units (PICUs) in Spain. Design. Descriptive, prospective, multicentre study. Setting. Sixteen Spanish PICUs. Patients. Patients with severe AB who required admission to any of the participating PICUs over 1 year. Interventions. Both epidemiological variables and medical treatment received were recorded. Results. A total of 262 patients were recruited; 143 were male (54...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28394614/synthetic-macromolecular-antibiotic-platform-for-inhalable-therapy-against-aerosolized-intracellular-alveolar-infections
#18
Debobrato Das, Jasmin Chen, Selvi Srinivasan, Abby M Kelly, Brian Lee, Hye-Nam Son, Frank Radella, T Eoin West, Daniel M Ratner, Anthony J Convertine, Shawn J Skerrett, Patrick S Stayton
Lung-based intracellular bacterial infections remain one of the most challenging infectious disease settings. For example, the current standard for treating Franciscella tularensis pneumonia (tularemia) relies on administration of oral or intravenous antibiotics that poorly achieve and sustain pulmonary drug bioavailability. Inhalable antibiotic formulations are approved and in clinical development for upper respiratory infections, but sustained drug dosing from inhaled antibiotics against alveolar intracellular infections remains a current unmet need...
May 9, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28377314/clarithromycin-and-n-acetylcysteine-co-spray-dried-powders-for-pulmonary-drug-delivery-a-focus-on-drug-solubility
#19
Michele Dario Manniello, Pasquale Del Gaudio, Rita P Aquino, Paola Russo
Cystic fibrosis (CF) lungs are usually susceptible to Pseudomonas aeruginosa colonization and this bacterium is resistant to immune system clearance and drug control. Particularly, the biofilm mode of growth protects several microorganisms from host defenses and antibacterial drugs, mainly due to a delayed penetration of the drug through the biofilm matrix. Biofilm, together with lung mucus viscosity and tenacity, reduces, therefore, the effectiveness of conventional antibiotic therapy in CF. The aim of this research was to design and develop a stable, portable, easy to use dry powder inhaler (DPI) for CF patients, able to release directly to the lung an association of macrolide antibiotics (clarithromycin) and a mucolytic agent (N-Acetyl-Cysteine)...
April 1, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28374642/value-of-platelet-count-in-the-early-diagnosis-of-nosocomial-invasive-fungal-infections-in-premature-infants
#20
Yu-Chen Yang, Jian Mao
The aim of this study was to investigate the value of a platelet count (PLT) in the early diagnosis of nosocomial invasive fungal infections in premature infants. Based on clinical diagnosis combined with blood culture results, 72 premature infants of 5354 pediatric patients who were hospitalized in the neonatal ward of our hospital between September 2009 and February 2013 were diagnosed with nosocomial invasive fungal infections (fungal infection group). There were 58 premature infants diagnosed with bacterial infections during the same period (bacterial infection group)...
April 4, 2017: Platelets
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