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https://www.readbyqxmd.com/read/28222477/checklists-for-the-assessment-of-correct-inhalation-therapy
#1
V Knipel, S Schwarz, F S Magnet, J H Storre, C P Criée, W Windisch
Introduction For the long-term treatment of obstructive lung diseases inhalation therapy with drugs being delivered directly to the lungs as an aerosol has become the method of choice. However, patient-related mistakes in inhalation techniques are frequent and recognized to be associated with reduced disease control. Since the assessment of patient-mistakes in inhalation has yet not been standardized, the present study was aimed at developing checklists for the assessment of correct inhalation. Methods Checklists were developed in German by an expert panel of pneumologists and professionally translated into English following back-translation procedures...
February 2017: Pneumologie
https://www.readbyqxmd.com/read/28220110/inhaled-liposomal-ciprofloxacin-protects-against-a-lethal-infection-in-a-murine-model-of-pneumonic-plague
#2
Karleigh A Hamblin, Stuart J Armstrong, Kay B Barnes, Carwyn Davies, Thomas Laws, James D Blanchard, Sarah V Harding, Helen S Atkins
Inhalation of Yersinia pestis can lead to pneumonic plague, which without treatment is inevitably fatal. Two novel formulations of liposome-encapsulated ciprofloxacin, 'ciprofloxacin for inhalation' (CFI, Lipoquin(®)) and 'dual release ciprofloxacin for inhalation' (DRCFI, Pulmaquin(®)) containing CFI and ciprofloxacin solution, are in development. These were evaluated as potential therapies for infection with Y. pestis. In a murine model of pneumonic plague, human-like doses of aerosolized CFI, aerosolized DRCFI or intraperitoneal (i...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28185617/mycobacterium-kansasii
#3
James C Johnston, Leslie Chiang, Kevin Elwood
The incidence of Mycobacterium kansasii varies widely over time and by region, but this organism remains one of the most clinically relevant isolated species of nontuberculous mycobacteria. In contrast to other common nontuberculous mycobacteria, M. kansasii is infrequently isolated from natural water sources or soil. The major reservoir appears to be tap water. Infection is likely acquired through the aerosol route, with low infectivity in regions of endemicity. Human-to-human transmission is thought not to occur...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28184305/once-daily-aerosolised-tobramycin-in-adult-patients-with-cystic-fibrosis-in-the-management-of-pseudomonas-aeruginosa-chronic-infection
#4
Marco Mantero, Andrea Gramegna, Giovanna Pizzamiglio, Alice D'Adda, Paolo Tarsia, Francesco Blasi
It is estimated that about 60-70% of Cystic Fibrosis patients develop Pseudomonas aeruginosa chronic infection, with progressive loss of lung function, as well as increased antibiotic resistance and mortality. The current strategy is to maintain lung function by chronic suppressive antipseudomonas antibiotic therapy. Tobramycin inhalation solution was the first approved aerosolised antibiotic to be used against P. aeruginosa; inhalatory tobramycin frequency of administration is twice daily and inhalation time is estimated to be 15 to 20 min...
2017: Multidisciplinary Respiratory Medicine
https://www.readbyqxmd.com/read/28183319/cytotoxic-effect-of-different-treatment-parameters-in-pressurized-intraperitoneal-aerosol-chemotherapy-pipac-on-the-in-vitro-proliferation-of-human-colonic-cancer-cells
#5
Veria Khosrawipour, David Diaz-Carballo, Acikelli Ali-Haydar, Tanja Khosrawipour, Thomas Albert Falkenstein, Dan Wu, Jürgen Zieren, Urs Giger-Pabst
BACKGROUND: Pressurized intraperitoneal aerosol chemotherapy (PIPAC) has been recently reported as a new approach for intraperitoneal chemotherapy (IPC). By means of a patented micropump, the liquid chemotherapy is delivered into the peritoneal cavity as an aerosol which is supposed to achieve "gas-like" distribution. However, recent data report that the fraction of the submicron aerosol (gas-like) is less than 3 vol% of the total amount of aerosolized chemotherapy. Until today, possible modifications of treatment parameters during PIPAC with the aim of improving therapeutic outcomes have not been studied yet...
February 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28160023/the-intensive-care-medicine-research-agenda-on-multidrug-resistant-bacteria-antibiotics-and-stewardship
#6
REVIEW
Marin H Kollef, Matteo Bassetti, Bruno Francois, Jason Burnham, George Dimopoulos, Jose Garnacho-Montero, Jeffrey Lipman, Charles-Edouard Luyt, David P Nicolau, Maarten J Postma, Antonio Torres, Tobias Welte, Richard G Wunderink
PURPOSE: To concisely describe the current standards of care, major recent advances, common beliefs that have been contradicted by recent trials, areas of uncertainty, and clinical studies that need to be performed over the next decade and their expected outcomes with regard to the management of multidrug-resistant (MDR) bacteria, antibiotic use, and antimicrobial stewardship in the intensive care unit (ICU) setting. METHODS: Narrative review based on a systematic analysis of the medical literature, national and international guidelines, and expert opinion...
February 4, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28156176/respirable-controlled-release-polymeric-colloid-rcrpc-of-bosentan-for-the-management-of-pulmonary-hypertension-in-vitro-aerosolization-histological-examination-and-in-vivo-pulmonary-absorption
#7
Lydia A Hanna, Emad B Basalious, Omaima N ELGazayerly
Bosentan is an endothelin receptor antagonist (ERA) prescribed for patients with pulmonary arterial hypertension (PAH). The oral delivery of bosentan possesses several drawbacks such as low bioavailability (about 50%), short duration of action, frequent administration, hepatotoxicity and systemic hypotension. The pulmonary administration would circumvent the pre-systemic metabolism thus improving the bioavailability and avoids the systemic adverse effects of oral bosentan. However, the short duration of action and the frequent administration are the major drawbacks of inhalation therapy...
November 2016: Drug Delivery
https://www.readbyqxmd.com/read/28127655/compact-saw-aerosol-generator
#8
A Winkler, S Harazim, D J Collins, R Brünig, H Schmidt, S B Menzel
In this work, we discuss and demonstrate the principle features of surface acoustic wave (SAW) aerosol generation, based on the properties of the fluid supply, the acoustic wave field and the acoustowetting phenomena. Furthermore, we demonstrate a compact SAW-based aerosol generator amenable to mass production fabricated using simple techniques including photolithography, computerized numerical control (CNC) milling and printed circuit board (PCB) manufacturing. Using this device, we present comprehensive experimental results exploring the complexity of the acoustic atomization process and the influence of fluid supply position and geometry, SAW power and fluid flow rate on the device functionality...
March 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28122460/co-milled-api-lactose-systems-for-inhalation-therapy-impact-of-magnesium-stearate-on-physico-chemical-stability-and-aerosolization-performance
#9
Michael Lau, Paul M Young, Daniela Traini
CONTEXT: Particle micronization for inhalation can impart surface disorder (amorphism) of crystalline structures. This can lead to stability issues upon storage at elevated humidity from recrystallization of the amorphous state, which can subsequently affect the aerosol performance of the dry powder formulation. OBJECTIVE: The aim of this study was to investigate the impact of an additive, magnesium stearate (MGST), on the stability and aerosol performance of co-milled active pharmaceutical ingredient (API) with lactose...
January 26, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28105760/aerosol-based-airway-epithelial-cell-delivery-improves-airway-regeneration-and-repair
#10
E Kardia, E S Ch'ng, B H Yahaya
Aerosol-based cell therapy has emerged as a novel and promising therapeutic strategy for treating lung diseases. The goal of this study was to determine the safety and efficacy of aerosol-based airway epithelial cell (AEC) delivery in the setting of acute lung injury induced by tracheal brushing in rabbit. 24 hours following injury, exogenous rabbit AECs were labelled with BrdU and aerosolized using the MicroSprayer® Aerosolizer into the injured airway. Histopathological assessments of the injury in the trachea and lungs were quantitatively scored (1 and 5 d after cell delivery)...
January 20, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28087469/tofacitinib-ameliorates-inflammation-in-a-rat-model-of-airway-neutrophilia-induced-by-inhaled-lps
#11
Elena Calama, Isabel Ramis, Anna Domènech, Cristina Carreño, Jorge De Alba, Neus Prats, Montserrat Miralpeix
BACKGROUND AND PURPOSE: The Janus Kinase (JAK) family mediates the cytokine receptor-induced signalling pathways involved in inflammatory processes. The activation of the signal transducers and activators of transcription (STATs) by JAK kinases is a key point in these pathways. Four JAK proteins, JAK1, JAK2, JAK3 and tyrosine kinase 2 (Tyk2) associate with the intracellular domains of surface cytokine receptors are phosphorylating STATs and modulating gene expression. The aim of this study was to explore the role of JAK inhibition in an acute model of inhaled lipopolysaccharide (LPS)-induced airway inflammation in rats through evaluating the effects of tofacitinib, a marketed pan-JAK inhibitor...
January 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28075193/workshop-report-aerosol-delivery-to-spontaneously-breathing-tracheostomized-patients
#12
Ariel Berlinski, Arzu Ari, Phil Davies, Jim Fink, Carina Majaesic, Gregory Reychler, Taran Tatla, Israel Amirav
The number of pediatric and adult patients requiring tracheostomy has increased. Many of them require aerosol therapy as part of their treatment. Practitioners have little guidance on how to optimize drug delivery in this population. The following is a report of a workshop dedicated to review the current status of aerosol delivery to spontaneously breathing tracheostomized patients and to provide practice recommendations.
January 11, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28062365/assessment-of-new-generation-high-power-electronic-nicotine-delivery-system-as-thermal-aerosol-generation-device-for-inhaled-bronchodilators
#13
Jérémie Pourchez, Fabien de Oliveira, Sophie Perinel-Ragey, Thierry Basset, Jean-Michel Vergnon, Nathalie Prévôt
PURPOSE: A need remains for alternative devices for aerosol drug delivery that are low cost, convenient and easy to use for the patient, but also capable of producing small-sized aerosol particles. This study investigated the potential of recent high power electronic nicotine delivery systems (ENDS) as aerosol generation devices for inhaled bronchodilators. METHODS: The particle size distribution was measured using a cascade impactor. The delivery of terbutaline sulfate, a current bronchodilator used for asthma or COPD therapy by inhalation, was studied...
January 4, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28061769/intraperitoneal-cisplatin-and-doxorubicin-as-maintenance-chemotherapy-for-unresectable-ovarian-cancer-a-case-report
#14
Clemens B Tempfer, Franziska Hartmann, Ziad Hilal, Günther A Rezniczek
BACKGROUND: Primary advanced, unresectable ovarian cancer (OC) is treated with palliative systemic chemotherapy. Intraperitoneal chemotherapy may be an alternative local maintenance therapy. CASE PRESENTATION: A 75 year old woman with laparoscopically and histologically confirmed unresectable OC was treated with 13 cycles of intraperitoneal cisplatin 7.5 mg/m(2) and doxorubicin 1.5 mg/m(2) over 2 years using laparoscopic pressurized intraperitoneal aerosol chemotherapy (PIPAC)...
January 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28008779/the-effect-of-undaria-pinnatifida-fucoidan-on-the-pharmacokinetics-of-letrozole-and-tamoxifen-in-patients-with-breast-cancer
#15
Shreya Tocaciu, Lesley J Oliver, Ray M Lowenthal, Gregory M Peterson, Rahul Patel, Madhur Shastri, Georgia McGuinness, Inger Olesen, J Helen Fitton
BACKGROUND: Although the use of complementary and alternative medicines is widespread in cancer patients, clinical evidence of their benefits is sparse. Furthermore, while they are often assumed to be safe with regard to concurrent use of anticancer therapies, few studies have been carried out to investigate possible interactions. Fucoidans are a group of sulfated carbohydrates, derived from marine brown algae, which have long been used as dietary supplements due to their reported medicinal properties, including anticancer activity...
December 1, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27999750/reprogramming-the-lung-microenvironment-by-inhaled-immunotherapy-fosters-immune-destruction-of-tumor
#16
Valentino Le Noci, Michele Sommariva, Monica Tortoreto, Nadia Zaffaroni, Manuela Campiglio, Elda Tagliabue, Andrea Balsari, Lucia Sfondrini
Due to their constant exposure to inhaled antigens, lungs represent a particularly immunosuppressive environment that limits excessive immune responses; however, cancer cells can exploit this unique environment for their growth. We previously described the ability of aerosolized CpG-ODN combined with Poly(I:C) (TLR9 and TLR3 agonists, respectively) to promote antitumor immunity in a B16 melanoma lung metastasis model. Here, we explored the possibility of improving the therapeutic efficacy of TLR9/TLR3 agonist combinations by including in the inhalant either an antibody directed to both Ly6G and Ly6C markers to locally deplete myeloid-derived suppressive cells (MDSCs) or IFNα to directly activate the natural killer (NK) and macrophage innate immune cells in the lung...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27982547/back-to-the-future-a-new-topical-approach-for-mild-to-moderate-psoriasis
#17
Giampiero Girolomoni, Piergiacomo Calzavara Pinton, Antonio Cristaudo, Americo Cicchetti
Psoriasis is a chronic-relapsing skin disorder which requires long-term treatments. Therapeutic options for psoriasis include topical treatments, phototherapy and systemic therapy. However, those treatments, and particularly the topical drug therapies, may present some limitations, including poor efficacy/tolerability ratio and lack of adherence. Recently, the supersaturated aerosol foam formulation of the fixed combination calcipotriene plus betamethasone dipropionate (Cal/BD) has gained major attention because it overcomes some of the limitations associated with other topical treatments...
December 16, 2016: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/27942511/local-lung-deposition-of-ultrafine-particles-in-healthy-adults-experimental-results-and-theoretical-predictions
#18
Robert Sturm
BACKGROUND: Ultrafine particles (UFP) of biogenic and anthropogenic origin occur in high numbers in the ambient atmosphere. In addition, aerosols containing ultrafine powders are used for the inhalation therapy of various diseases. All these facts make it necessary to obtain comprehensive knowledge regarding the exact behavior of UFP in the respiratory tract. METHODS: Theoretical simulations of local UFP deposition are based on previously conducted inhalation experiments, where particles with various sizes (0...
November 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27936972/fixed-combination-calcipotriol-plus-betamethasone-dipropionate-aerosol-foam-in-the-treatment-of-psoriasis-vulgaris-rationale-for-development-and-clinical-profile
#19
Carle Paul, Bo Bang, Mark Lebwohl
Psoriasis is a chronic, immune-mediated inflammatory disorder with a significant negative impact on quality of life. Most patients with mild-to-moderate psoriasis manage their disease with topical therapies; the most commonly used formulations contain corticosteroids and/or vitamin D3 analogues. However, adherence to topical treatment remains a significant issue as the daily treatment regimen can be cumbersome and time consuming and many patients do not obtain complete/almost complete clearance. Areas covered: Published pre-clinical and clinical data evaluating calcipotriol 50 µg/g (Cal) and betamethasone 0...
January 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/27936238/trehalose-6-phosphate-mediated-toxicity-determines-essentiality-of-otsb2-in-mycobacterium-tuberculosis-in-vitro-and-in-mice
#20
Jan Korte, Marina Alber, Carolina M Trujillo, Karl Syson, Hendrik Koliwer-Brandl, René Deenen, Karl Köhrer, Michael A DeJesus, Travis Hartman, William R Jacobs, Stephen Bornemann, Thomas R Ioerger, Sabine Ehrt, Rainer Kalscheuer
Trehalose biosynthesis is considered an attractive target for the development of antimicrobials against fungal, helminthic and bacterial pathogens including Mycobacterium tuberculosis. The most common biosynthetic route involves trehalose-6-phosphate (T6P) synthase OtsA and T6P phosphatase OtsB that generate trehalose from ADP/UDP-glucose and glucose-6-phosphate. In order to assess the drug target potential of T6P phosphatase, we generated a conditional mutant of M. tuberculosis allowing the regulated gene silencing of the T6P phosphatase gene otsB2...
December 2016: PLoS Pathogens
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