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Pham HQ, Pham KHT, Ha GH, Pham TT, Nguyen HT, Nguyen THT, Oh JK. Economic Burden of Chronic Obstructive Pulmonary Disease: A Systematic Review. Tuberc Respir Dis (Seoul) 2024; 87:234-251. [PMID: 38361331 PMCID: PMC11222094 DOI: 10.4046/trd.2023.0100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/30/2023] [Accepted: 02/05/2024] [Indexed: 02/17/2024] Open
Abstract
Globally, providing evidence on the economic burden of chronic obstructive pulmonary disease (COPD) is becoming essential as it assists the health authorities to efficiently allocate resources. This study aimed to summarize the literature on economic burden evidence for COPD from 1990 to 2019. This study examined the economic burden of COPD through a systematic review of studies from 1990 to 2019. A search was done in online databases, including Web of Science, PubMed/Medline, Scopus, and the Cochrane Library. After screening 12,734 studies, 43 articles that met the inclusion criteria were identified. General study information and data on direct, indirect, and intangible costs were extracted and converted to 2018 international dollars (Int$). Findings revealed that the total direct costs ranged from Int$ 52.08 (India) to Int$ 13,776.33 (Canada) across 16 studies, with drug costs rannging from Int$ 70.07 (Vietnam) to Int$ 8,706.9 (China) in 11 studies. Eight studies explored indirect costs, while one highlighted caregivers' direct costs at approximately Int$ 1,207.8 (Greece). This study underscores the limited research on COPD caregivers' economic burdens, particularly in developing countries, emphasizing the importance of increased research support, particularly in high-resource settings. This study provides information about the demographics and economic burden of COPD from 1990 to 2019. More strategies to reduce the frequency of hospital admissions and acute care services should be implemented to improve the quality of COPD patients' lives and reduce the disease's rising economic burden.
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Affiliation(s)
- Hai Quang Pham
- Department of Health Economics, School of Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Kiet Huy Tuan Pham
- Department of Health Economics, School of Preventive Medicine and Public Health, Hanoi Medical University, Hanoi, Vietnam
| | - Giang Hai Ha
- Institute of Theoretical and Applied Research, Duy Tan University, Danang, Vietnam
- School of Business and Economics, Duy Tan University, Danang, Vietnam
| | - Tin Trung Pham
- Can Tho University of Medicine and Pharmacy, Faculty of Public Health, Can Tho, Vietnam
| | - Hien Thi Nguyen
- Can Tho University of Medicine and Pharmacy, Faculty of Public Health, Can Tho, Vietnam
| | - Trang Huyen Thi Nguyen
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea
| | - Jin-Kyoung Oh
- Department of Cancer Control and Population Health, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Republic of Korea
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Miravitlles M, Bhutani M, Hurst JR, Franssen FME, van Boven JFM, Khoo EM, Zhang J, Brunton S, Stolz D, Winders T, Asai K, Scullion JE. Implementing an Evidence-Based COPD Hospital Discharge Protocol: A Narrative Review and Expert Recommendations. Adv Ther 2023; 40:4236-4263. [PMID: 37537515 PMCID: PMC10499689 DOI: 10.1007/s12325-023-02609-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/06/2023] [Indexed: 08/05/2023]
Abstract
Discharge bundles, comprising evidence-based practices to be implemented prior to discharge, aim to optimise patient outcomes. They have been recommended to address high readmission rates in patients who have been hospitalised for an exacerbation of chronic obstructive pulmonary disease (COPD). Hospital readmission is associated with increased morbidity and healthcare resource utilisation, contributing substantially to the economic burden of COPD. Previous studies suggest that COPD discharge bundles may result in fewer hospital readmissions, lower risk of mortality and improvement of patient quality of life. However, evidence for their effectiveness is inconsistent, likely owing to variable content and implementation of these bundles. To ensure consistent provision of high-quality care for patients hospitalised with an exacerbation of COPD and reduce readmission rates following discharge, we propose a comprehensive discharge protocol, and provide evidence highlighting the importance of each element of the protocol. We then review care bundles used in COPD and other disease areas to understand how they affect patient outcomes, the barriers to implementing these bundles and what strategies have been used in other disease areas to overcome these barriers. We identified four evidence-based care bundle items for review prior to a patient's discharge from hospital, including (1) smoking cessation and assessment of environmental exposures, (2) treatment optimisation, (3) pulmonary rehabilitation, and (4) continuity of care. Resource constraints, lack of staff engagement and knowledge, and complexity of the COPD population were some of the key barriers inhibiting effective bundle implementation. These barriers can be addressed by applying learnings on successful bundle implementation from other disease areas, such as healthcare practitioner education and audit and feedback. By utilising the relevant implementation strategies, discharge bundles can be more (cost-)effectively delivered to improve patient outcomes, reduce readmission rates and ensure continuity of care for patients who have been discharged from hospital following a COPD exacerbation.
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Affiliation(s)
- Marc Miravitlles
- Pneumology Department, Vall d'Hebron University Hospital/Vall d'Hebron Research Institute (VHIR), Vall d'Hebron Barcelona Hospital Campus, Pg. Vall d'Hebron 119-129, 08035, Barcelona, Spain.
| | - Mohit Bhutani
- Division of Pulmonary Medicine, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - John R Hurst
- UCL Respiratory, University College London, London, UK
| | - Frits M E Franssen
- Department of Respiratory Medicine, Maastricht University Medical Center, Maastricht, Netherlands
| | - Job F M van Boven
- Department of Clinical Pharmacy & Pharmacology, Groningen Research Institute for Asthma and COPD (GRIAC), University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Ee Ming Khoo
- Department of Primary Care Medicine, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
- International Primary Care Respiratory Group, Leicester, UK
| | - Jing Zhang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | | | - Daiana Stolz
- Clinic of Respiratory Medicine and Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Tonya Winders
- Global Allergy and Airways Patient Platform, Vienna, Austria
| | - Kazuhisa Asai
- Department of Respiratory Medicine, Osaka Metropolitan University, Osaka, Japan
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3
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Nourian YH, Salimian J, Ahmadi A, Salehi Z, Karimi M, Emamvirdizadeh A, Azimzadeh Jamalkandi S, Ghanei M. cAMP-PDE signaling in COPD: Review of cellular, molecular and clinical features. Biochem Biophys Rep 2023; 34:101438. [PMID: 36865738 PMCID: PMC9971187 DOI: 10.1016/j.bbrep.2023.101438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 01/21/2023] [Accepted: 02/02/2023] [Indexed: 02/18/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death among non-contagious diseases in the world. PDE inhibitors are among current medicines prescribed for COPD treatment of which, PDE-4 family is the predominant PDE isoform involved in hydrolyzing cyclic adenosine monophosphate (cAMP) that regulates the inflammatory responses in neutrophils, lymphocytes, macrophages and epithelial cells The aim of this study is to investigate the cellular and molecular mechanisms of cAMP-PDE signaling, as an important pathway in the treatment management of patients with COPD. In this review, a comprehensive literature review was performed about the effect of PDEs in COPD. Generally, PDEs are overexpressed in COPD patients, resulting in cAMP inactivation and decreased cAMP hydrolysis from AMP. At normal amounts, cAMP is one of the essential agents in regulating metabolism and suppressing inflammatory responses. Low amount of cAMP lead to activation of downstream inflammatory signaling pathways. PDE4 and PDE7 mRNA transcript levels were not altered in polymorphonuclear leukocytes and CD8 lymphocytes originating from the peripheral venous blood of stable COPD subjects compared to healthy controls. Therefore, cAMP-PDE signaling pathway is one of the most important signaling pathways involved in COPD. By examining the effects of different drugs in this signaling pathway critical steps can be taken in the treatment of this disease.
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Affiliation(s)
- Yazdan Hasani Nourian
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Jafar Salimian
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Ahmadi
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Zahra Salehi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrdad Karimi
- Department of Traditional Medicine, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Emamvirdizadeh
- Department of Molecular Genetics, Faculty of Bio Sciences, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Sadegh Azimzadeh Jamalkandi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran,Corresponding author.
| | - Mostafa Ghanei
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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4
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Cho EY, Cho JE, Lee EB, Yoo SS, Chang JH. An Open-Label, Multicentre, Observational, Post-Marketing Study to Monitor the Safety and Effectiveness of Umeclidinium/Vilanterol in Korean Patients. Tuberc Respir Dis (Seoul) 2023; 86:33-46. [PMID: 36437604 PMCID: PMC9816489 DOI: 10.4046/trd.2022.0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 09/25/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Umeclidinium/vilanterol (UMEC/VI; ANORO ELLIPTA, GSK) is a commonly used dual bronchodilator. This study evaluated the safety and effectiveness of UMEC/VI in Korean patients with chronic obstructive pulmonary disease (COPD) over a 6-year period. METHODS This was an open-label, multicentre, observational, post-marketing surveillance study. A total of 3,375 patients were enrolled consecutively in 52 hospitals, by 53 physicians, between July 2014 and July 2020. Patients who were administered UMEC/VI (fixed-dose 62.5 μg/25 μg) at least once and were monitored for safety and effectiveness were included in the analysis. Incidence and severity of adverse events (AEs) reported after administrating at least one dose of UMEC/VI were monitored, including unexpected adverse events (UAEs) and adverse drug reactions (ADRs). Effectiveness of UMEC/VI after 24 weeks of administration was also assessed using physician's evaluation (effective, ineffective/no change, worsening, indeterminable) and lung function improvement. RESULTS Of 3,375 patients, 3,086 were included in the safety assessment group (mean age±standard deviation: 69.76±8.80 years; 85.9% male [n=2,652]; 73.1% aged ≥65 years [n=2,255]). The overall incidence of AEs was 28.8% (n=890), of which 2.2% (n=67) were ADRs. Serious AEs and UAEs were reported in 181 (5.9%) and 665 (21.6%) patients, respectively, and two patients (<0.1%) reported unexpected severe ADR. Of the 903/3,086 patients analysed for effectiveness, most (82.8%, n=748) showed overall disease improvement after UMEC/VI treatment. CONCLUSION This study confirmed UMEC/VI administered to Korean patients according to the prescribing information was well-tolerated and can be considered an effective option for COPD treatment.
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Affiliation(s)
- Eun-Yeong Cho
- GSK Korea, Seoul, Republic of Korea,Address for correspondence Eun-Yeong Cho, M.D. GSK Korea, 92 Hangang-daero, Yongsan-gu, Seoul 04094, Republic of Korea Phone 82-2-709-4114 Fax 82-2-796-4710 E-mail
| | | | | | - Seung Soo Yoo
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Jung Hyun Chang
- Division of Pulmonary and Critical Care Medicine, Ewha Womans University College of Medicine, Seoul, Republic of Korea
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5
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Mills H, Acquah R, Tang N, Cheung L, Klenk S, Glassen R, Pirson M, Albert A, Hoang DT, Van TN. Biochemical Behaviours of Salmeterol/Fluticasone Propionate in Treating Asthma and Chronic Obstructive Pulmonary Diseases (COPD). Emerg Med Int 2022; 2022:2593740. [PMID: 35899144 PMCID: PMC9313957 DOI: 10.1155/2022/2593740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 06/30/2022] [Indexed: 11/17/2022] Open
Abstract
Chronic obstructive pulmonary diseases (COPD) and asthma are fatal. The respiratory tract may be blocked, robbed of the adequate amounts of oxygen; hence, death ensues if a quick medical attention is not provided. The treatment available for the duo are inhaled corticosteroids (ICS). The ICS can work synergically with LABAS (long-acting β 2-antagonists) and so many other medicines like bronchodilators. The drugs used for the treatment of asthma and COPD are metabolised once in the body system and at the same time exerting the therapeutic effect provided the concentration of the drug is within the therapeutic window. The CYP3A isoforms metabolise the ICS, in this case, salmeterol and fluticasone propionate (FP). Methods of administration are not limited to inhalation. Specific doses are prescribed accurately paying attention to factors like age, gender, race, and genetic makeup since these affect drug metabolisms. Generally, the ICS work by translocating glucocorticoid receptors to the nucleus from the cytosol. The mechanism is potentiated by the β-antagonists and this brings about an anti-inflammatory effect which is greater than either of the two drugs alone. Once this happens, it is not necessary to increase ICS dose. The ICS, in addition, cause more production of β-receptors by activating the β-receptor genes. This mode of action begets the LABAs' bronchodilator-effects. The challenge is that ICS are not limited only to "double" therapy. Analysing such therapies is daunting since coadministration interferes with pharmacology and pharmacokinetics of drugs. This work focuses on salmeterol/fluticasone propionate combination and aspects which has to do with administration, monitoring, metabolism, toxicity, and adverse effects.
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Affiliation(s)
- Hilla Mills
- Department of Medical Science, University for Development, Accra, Ghana
| | - Ronald Acquah
- Department of Medical Science, University for Development, Accra, Ghana
| | - Nova Tang
- RD Lab, The Hospital Institute for Hebal Research, Toluca 50200, MEX, Mexico
| | - Luke Cheung
- RD Lab, The Hospital Institute for Hebal Research, Toluca 50200, MEX, Mexico
| | - Susanne Klenk
- Research Institution of Clinical Biomedicine, Hospital University Medical Centre, Ulm 89000, Germany
| | - Ronald Glassen
- Research Institution of Clinical Biomedicine, Hospital University Medical Centre, Ulm 89000, Germany
| | - Magali Pirson
- Industrial Research Group, International College of Science and Technology, Route de Lennik 800, CP 590, Brussels 1070, Belgium
| | - Alain Albert
- Industrial Research Group, International College of Science and Technology, Route de Lennik 800, CP 590, Brussels 1070, Belgium
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6
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Sharpe I, Bowman M, Kim A, Srivastava S, Jalink M, Wijeratne DT. Strategies to Prevent Readmissions to Hospital for COPD: A Systematic Review. COPD 2021; 18:456-468. [PMID: 34378468 DOI: 10.1080/15412555.2021.1955338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Patients with chronic obstructive pulmonary disease (COPD) experience high rates of hospital readmissions, placing substantial clinical and economic strain on the healthcare system. Therefore, it is essential to implement evidence-based strategies for preventing these readmissions. The primary objective of our systematic review was to identify and describe the domains of existing primary research on strategies aimed at reducing hospital readmissions among adult patients with COPD. We also aimed to identify existing gaps in the literature to facilitate future research efforts. A total of 843 studies were captured by the initial search and 96 were included in the final review (25 randomized controlled trials, 37 observational studies, and 34 non-randomized interventional studies). Of the included studies, 72% (n = 69) were considered low risk of bias. The majority of included studies (n = 76) evaluated patient-level readmission prevention strategies (medication and other treatments (n = 25), multi-modal (n = 19), follow-up (n = 16), telehealth (n = 8), education and coaching (n = 8)). Fewer assessed broader system- (n = 13) and policy-level (n = 7) strategies. We observed a trend toward reduced all-cause readmissions with the use of medication and other treatments, as well as a trend toward reduced COPD-related readmissions with the use of multi-modal and broader scale system-level interventions. Notably, much of this evidence supported shorter-term (30-day) readmission outcomes, while little evidence was available for longer-term outcomes. These findings should be interpreted with caution, as considerable between-study heterogeneity was also identified. Overall, this review identified several evidence-based interventions for reducing readmissions among patients with COPD that should be targeted for future research.Supplemental data for this article is available online at https://doi.org/10.1080/15412555.2021.1955338 .
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Affiliation(s)
- Isobel Sharpe
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada
| | - Meghan Bowman
- Department of Public Health Sciences, Queen's University, Kingston, ON, Canada
| | - Andrew Kim
- Division of General Internal Medicine, Department of Medicine, Queen's University, Kingston, ON, Canada
| | - Siddhartha Srivastava
- Division of General Internal Medicine, Department of Medicine, Queen's University, Kingston, ON, Canada
| | - Matthew Jalink
- Division of General Internal Medicine, Department of Medicine, Queen's University, Kingston, ON, Canada
| | - Don Thiwanka Wijeratne
- Division of General Internal Medicine, Department of Medicine, Queen's University, Kingston, ON, Canada
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7
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Salem A, Zhong H, Ramos M, Lamotte M, Hu H. Potential clinical and economic impact of optimised maintenance therapy on discharged patients with COPD after hospitalisation for an exacerbation in China. BMJ Open 2021; 11:e043664. [PMID: 33910947 PMCID: PMC8094343 DOI: 10.1136/bmjopen-2020-043664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVES Chronic obstructive pulmonary disease (COPD) exacerbations requiring hospitalisation are a considerable burden, both clinically and economically. Although long-acting maintenance therapy is recommended in both the GOLD (Global Initiative for Chronic Obstructive Lung Disease) and Chinese COPD guidelines, proper implementation is lacking. The objective of this study was to assess the clinical and economic impact of prescribing long-acting maintenance therapy to discharged patients with COPD after hospitalisation for an exacerbation in China by using an outcomes model. DESIGN This health economic analysis was conducted using a Markov cohort model from the Chinese healthcare payer perspective. Two health states (alive and dead) were modelled, and exacerbations were included as possible events. SETTING The target population was Chinese patients with COPD, >40 years of age, who were hospitalised for an exacerbation, with 1 year of follow-up. A recent COPD national prevalence study was referenced for population calculations. INTERVENTION A hypothetical future scenario, where 100% of patients would receive long-acting maintenance therapy after hospitalisation for an exacerbation, was compared with the current scenario, in which only 38.5% of patients are receiving long-acting maintenance therapy after hospitalisation. OUTCOME MEASURES Number of exacerbations, deaths and medical costs were measured. RESULTS We estimated that there were approximately 4 million Chinese patients with COPD who were hospitalised annually due to an exacerbation. By prescribing long-acting maintenance therapy, our model predicted that 917 360 exacerbations and 4034 deaths could be avoided, translating into cost savings of ¥3.5 billion (US$0.5 billion). Scenario analysis also showed that if the rate of exacerbations requiring hospitalisation was higher than our base case analysis, cost savings could reach up to ¥10.7 billion (US$1.5 billion). CONCLUSION Administering long-acting maintenance therapy to more patients with COPD at hospital discharge could considerably reduce exacerbations and healthcare spending in China.
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Affiliation(s)
- Ahmed Salem
- Real World Evidence, IQVIA, Zaventem, Belgium
| | - Heng Zhong
- R&D China, AstraZeneca R&D, Shanghai, China
| | | | | | - Hao Hu
- Institute of Chinese Medical Sciences, University of Macau, Macau, China
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8
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Yang N, Singhera GK, Yan YX, Pieper MP, Leung JM, Sin DD, Dorscheid DR. Olodaterol exerts anti-inflammatory effects on COPD airway epithelial cells. Respir Res 2021; 22:65. [PMID: 33622325 PMCID: PMC7901009 DOI: 10.1186/s12931-021-01659-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 02/10/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Airway inflammation is a key feature of chronic obstructive pulmonary disease (COPD) and inhaled corticosteroids (ICS) remain the main treatment for airway inflammation. Studies have noted the increased efficacy of ICS and long-acting beta 2 agonist (LABA) combination therapy in controlling exacerbations and improving airway inflammation than either monotherapy. Further studies have suggested that LABAs may have inherent anti-inflammatory potential, but this has not been well-studied. OBJECTIVE We hypothesize that the LABA olodaterol can inhibit airway inflammation resulting from exposure to respiratory syncytial virus (RSV) via its binding receptor, the β2-adrenergic receptor. METHODS Human bronchial epithelial brushing from patients with and without COPD were cultured into air-liquid interface (ALI) cultures and treated with or without olodaterol and RSV infection to examine the effect on markers of inflammation including interleukin-8 (IL-8) and mucus secretion. The cell line NCI-H292 was utilized for gene silencing of the β2-adrenergic receptor via siRNA as well as receptor blocking via ICI 118,551 and butaxamine. RESULTS At baseline, COPD-ALIs produced greater amounts of IL-8 than control ALIs. Olodaterol reduced RSV-mediated IL-8 secretion in both COPD and control ALIs and also significantly reduced Muc5AC staining in COPD-ALIs infected with RSV. A non-significant reduction was seen in control ALIs. Gene silencing of the β2-adrenergic receptor in NCI-H292 negated the ability of olodaterol to inhibit IL-8 secretion from both RSV infection and lipopolysaccharide stimulus, as did blocking of the receptor with ICI 118,551 and butaxamine. CONCLUSIONS Olodaterol exhibits inherent anti-inflammatory properties on the airway epithelium, in addition to its bronchodilation properties, that is mediated through the β2-adrenergic receptor and independent of ICS usage.
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Affiliation(s)
- Nan Yang
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Gurpreet K Singhera
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Yi Xuan Yan
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Michael P Pieper
- Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim am Rhein, Germany
| | - Janice M Leung
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Don D Sin
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Delbert R Dorscheid
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, BC, Canada.
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9
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Ambatiello LG, Chazova IE. [Cardiovascular and chronic obstructive pulmonary diseases: pathophysiological processes and treatment tactics]. TERAPEVT ARKH 2020; 92:78-83. [PMID: 32598797 DOI: 10.26442/00403660.2020.03.000456] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Indexed: 12/14/2022]
Abstract
Due to the global aging of the population, the deteriorating ecology and lifestyle changes, patients with isolated cardiovascular diseases (CVD) are becoming less common, and the portrait of a comorbid patient comes first in the structure of patients with CVD. Among a number of diseases complicating and concomitant with cardiovascular, a special place is occupied by chronic obstructive pulmonary disease (COPD). The prevalence of COPD among CVD patients can reach 60%. Many of the pathophysiological mechanisms underlying COPD can increase the risk of cardiovascular disease and vice versa. The most common cases of COPD are arterial hypertension, coronary heart disease, heart failure, and atrial fibrillation. Given the close relationship between COPD and CVD, it is clear that treatment for one condition can affect another. This review discusses current positions about the influence of both groups of diseases on each other, and also observes the effects of drug therapy of both diseases.
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Affiliation(s)
- L G Ambatiello
- Myasnikov Research Institute of Clinical Cardiology, National Medical Research Center for Cardiology
| | - I E Chazova
- Myasnikov Research Institute of Clinical Cardiology, National Medical Research Center for Cardiology
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10
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Park HJ, Byun MK, Kim T, Rhee CK, Kim K, Kim BY, Ahn SI, Jo YU, Yoo KH. Frequent Outpatient Visits Prevent Exacerbation of Chronic Obstructive Pulmonary Disease. Sci Rep 2020; 10:6049. [PMID: 32269274 PMCID: PMC7142121 DOI: 10.1038/s41598-020-63064-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 03/23/2020] [Indexed: 11/09/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory airway disease requiring frequent outpatient visits and lifelong management. We aimed to evaluate the roles of frequent outpatient visits in prognosis of COPD. We used claims data in the national medical insurance review system provided by the Health Insurance Review and Assessment Service of Korea from May 1, 2014 to April 30, 2015. A definition of COPD was used based on the diagnosis code and medication. Frequent visitors were defined as subjects who visited the outpatient clinic for COPD three or more times per year. Among 159,025 subjects, 117,483 (73.9%) were classified as frequent visitors. Frequent visitors underwent pulmonary function tests and used various inhalers more often than did infrequent visitors. The rates of COPD exacerbation requiring admission to a general ward, emergency room, or intensive care unit were significantly lower in frequent visitors than in infrequent visitors. In multivariable analysis, frequent visits were identified as an independent factor preventing COPD exacerbation that required admission to a ward (odds ratio [OR], 0.387), emergency room, (OR, 0.558), or intensive care unit (OR, 0.39) (all P < 0.001). In conclusion, we showed frequent outpatient visits reduce the risk of COPD exacerbation by 45-60%.
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Affiliation(s)
- Hye Jung Park
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Min Kwang Byun
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
| | - Taehee Kim
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Chin Kook Rhee
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seocho, South Korea
| | - Kyungjoo Kim
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, Seocho, South Korea
| | - Bo Yeon Kim
- Healthcare Review and Assessment Committee, Health Insurance Review & Assessment Service, Seoul, Korea
| | - Sang In Ahn
- Division of Chronic Disease Assessment, Health Insurance Review & Assessment Service, Seoul, Korea
| | - Yon U Jo
- Division of Quality Assessment Management, Health Insurance Review & Assessment Service, Seoul, Korea
| | - Kwang-Ha Yoo
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, South Korea
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11
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Rodriguez Hermosa JL, Fuster Gomila A, Puente Maestu L, Amado Diago CA, Callejas González FJ, Malo De Molina Ruiz R, Fuentes Ferrer ME, Álvarez Sala-Walther JL, Calle Rubio M. Compliance and Utility of a Smartphone App for the Detection of Exacerbations in Patients With Chronic Obstructive Pulmonary Disease: Cohort Study. JMIR Mhealth Uhealth 2020; 8:e15699. [PMID: 32191213 PMCID: PMC7118552 DOI: 10.2196/15699] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/14/2019] [Accepted: 12/16/2019] [Indexed: 12/31/2022] Open
Abstract
Background In recent years, mobile health (mHealth)–related apps have been developed to help manage chronic diseases. Apps may allow patients with a chronic disease characterized by exacerbations, such as chronic obstructive pulmonary disease (COPD), to track and even suspect disease exacerbations, thereby facilitating self-management and prompt intervention. Nevertheless, there is insufficient evidence regarding patient compliance in the daily use of mHealth apps for chronic disease monitoring. Objective This study aimed to provide further evidence in support of prospectively recording daily symptoms as a useful strategy to detect COPD exacerbations through the smartphone app, Prevexair. It also aimed to analyze daily compliance and the frequency and characteristics of acute exacerbations of COPD recorded using Prevexair. Methods This is a multicenter cohort study with prospective case recruitment including 116 patients with COPD who had a documented history of frequent exacerbations and were monitored over the course of 6 months. At recruitment, the Prevexair app was installed on their smartphones, and patients were instructed on how to use the app. The information recorded in the app included symptom changes, use of medication, and use of health care resources. The patients received messages on healthy lifestyle behaviors and a record of their cumulative symptoms in the app. There was no regular contact with the research team and no mentoring process. An exacerbation was considered reported if medical attention was sought and considered unreported if it was not reported to a health care professional. Results Overall, compliance with daily records in the app was 66.6% (120/180), with a duration compliance of 78.8%, which was similar across disease severity, age, and comorbidity variables. However, patients who were active smokers, with greater dyspnea and a diagnosis of depression and obesity had lower compliance (P<.05). During the study, the patients experienced a total of 262 exacerbations according to daily records in the app, 99 (37.8%) of which were reported exacerbations and 163 (62.2%) were unreported exacerbations. None of the subject-related variables were found to be significantly associated with reporting. The duration of the event and number of symptoms present during the first day were strongly associated with reporting. Despite substantial variations in the COPD Assessment Test (CAT), there was improvement only among patients with no exacerbation and those with reported exacerbations. Nevertheless, CAT scores deteriorated among patients with unreported exacerbations. Conclusions The daily use of the Prevexair app is feasible and acceptable for patients with COPD who are motivated in their self-care because of frequent exacerbations of their disease. Monitoring through the Prevexair app showed great potential for the implementation of self-care plans and offered a better diagnosis of their chronic condition.
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Affiliation(s)
- Juan Luis Rodriguez Hermosa
- Pulmonology Department, Hospital Clínico San Carlos, Madrid, Spain.,Medical Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | | | - Luis Puente Maestu
- Pulmonology Department, Hospital Universitario Gregorio Marañón, Madrid, Spain
| | - Carlos Antonio Amado Diago
- Pulmonology Department, Hospital Universitario Marqués de Valdecilla, Santander, Spain.,Medical Department, School of Medicine, Universidad de Cantabria, Santander, Spain
| | | | | | - Manuel E Fuentes Ferrer
- Departament of Preventive Medicine, Hospital Clínico San Carlos, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
| | - Jose Luis Álvarez Sala-Walther
- Pulmonology Department, Hospital Clínico San Carlos, Madrid, Spain.,Medical Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
| | - Myriam Calle Rubio
- Pulmonology Department, Hospital Clínico San Carlos, Madrid, Spain.,Medical Department, School of Medicine, Universidad Complutense de Madrid, Madrid, Spain
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12
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Hindelang M, Kirsch F, Leidl R. Effectiveness of non-pharmacological COPD management on health-related quality of life - a systematic review. Expert Rev Pharmacoecon Outcomes Res 2020; 20:79-91. [PMID: 32098530 DOI: 10.1080/14737167.2020.1734455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Introduction: Chronic obstructive pulmonary disease (COPD) is the third leading cause of mortality worldwide. The chronic progressive disease is accompanied by a high loss of health-related quality of life (HRQoL). The available drugs usually only have symptomatic effects; therefore, non-pharmacological therapies are essential too.Areas covered: This systematic review examines non-pharmacological interventions consisting of pulmonary rehabilitation, physical activity, and training versus usual care or no intervention in COPD using at least one of the following HRQoL measuring instruments: St. George's Respiratory Questionnaire, Clinical COPD Questionnaire, COPD Assessment Test, and EuroQol-5D. Of 1532 identified records from CENTRAL, MEDLINE, and EMBASE, 15 randomized controlled trials met the inclusion criteria. Pulmonary rehabilitation programs were investigated in nine studies, education and counseling-based training programs in three studies, and breathing exercises in three studies. Ten studies were found that investigated non-pharmacological treatment programs that led to a significant and clinically relevant improvement in HRQoL compared with usual care or no treatment.Expert opinion: Non-pharmacological interventions consisting of pulmonary rehabilitation, education and counseling-based training programs, and breathing exercises can improve the HRQoL of COPD patients.
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Affiliation(s)
- Michael Hindelang
- Helmholtz Zentrum München - German Research Center for Environmental Health (Gmbh), Institute of Health Economics and Health Care Management, Neuherberg, Germany.,Institute for Medical Information Processing, Biometry and Epidemiology - IBE, Ludwig-Maximilians-Universität München, Munich, Germany.,Pettenkofer School of Public Health. Faculty of Medicine, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Florian Kirsch
- Helmholtz Zentrum München - German Research Center for Environmental Health (Gmbh), Institute of Health Economics and Health Care Management, Neuherberg, Germany
| | - Reiner Leidl
- Helmholtz Zentrum München - German Research Center for Environmental Health (Gmbh), Institute of Health Economics and Health Care Management, Neuherberg, Germany.,Munich Center of Health Sciences, Ludwig-Maximilians-Universität München, Munich, Germany.,Comprehensive Pneumology Center Munich (CPC-M), Member of the German Center for Lung Research (DZL), Neuherberg, Germany
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13
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Calverley PM, Page C, Dal Negro RW, Fontana G, Cazzola M, Cicero AF, Pozzi E, Wedzicha JA. Effect of Erdosteine on COPD Exacerbations in COPD Patients with Moderate Airflow Limitation. Int J Chron Obstruct Pulmon Dis 2019; 14:2733-2744. [PMID: 31819405 PMCID: PMC6896911 DOI: 10.2147/copd.s221852] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 10/31/2019] [Indexed: 12/13/2022] Open
Abstract
Background The RESTORE study, a multi-national randomized, placebo-controlled study, showed that erdosteine - a muco-active antioxidant that modulates bacterial adhesiveness - reduced the rate and duration of exacerbations in moderate and severe COPD with a history of exacerbations. How much benefit patients with less severe disease experience when taking this drug remains unclear. Methods This post hoc analysis of the 254 RESTORE participants with spirometrically-defined moderate COPD (post-bronchodilator forced expiratory volume in 1 second [FEV1] 50‒79% predicted) examined exacerbation rate and duration, time to first exacerbation, and exacerbation-free time. Data were analyzed using descriptive statistics and comparisons between treatment groups used Wilcoxon rank-sum tests, Mann-Whitney U-tests, or log rank tests. Results Patients with moderate COPD received erdosteine 300 mg twice daily (n=126) or placebo (n=128) added to usual COPD therapy for 12 months. During this time, there were 53 exacerbations in the erdosteine group and 74 in the placebo group, with 42.1% and 57.8% of patients, respectively, experiencing an exacerbation. There was a 47% reduction in the mean exacerbation rate with erdosteine compared to placebo (0.27 vs 0.51 exacerbations per-patient per-year, respectively, P=0.003), and a 58.3% reduction in the mild exacerbation rate (0.23 vs 0.53 mild exacerbations per-patient per-year, P=0.001). Mean duration of exacerbations was 26% shorter in erdosteine-treated patients (9.1 vs 12.3 days for placebo, P=0.022), with significant reductions in the duration of mild and moderate-to-severe exacerbations. Mean time to first exacerbation was prolonged by 7.7% (182 days for erdosteine vs 169 days for placebo, P<0.001) and the mean exacerbation-free time was increased by 51 days (279 days for erdosteine vs 228 days for placebo; P<0.001). Conclusion These results indicate that adding erdosteine to usual COPD maintenance therapy reduces the number of mild, and duration of all, exacerbations in patients with moderate COPD and a history of exacerbations.
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Affiliation(s)
- Peter Ma Calverley
- Department of Medicine, Clinical Sciences Centre, University Hospital Aintree, Liverpool, UK
| | - Clive Page
- Faculty of Life Sciences and Medicine, King's College, London, UK
| | - Roberto W Dal Negro
- Lung Unit, National Centre for Respiratory Pharmacoeconomics and Pharmacoepidemiology, Verona, Italy
| | - Giovanni Fontana
- Pulmonology Department, Cough Centre, Careggi University Hospital, Firenze, Italy
| | - Mario Cazzola
- Department of Systems Medicine, Chair of Respiratory Medicine, University of Rome 'Tor Vergata', Rome, Italy
| | - Arrigo F Cicero
- Medical and Surgical Department, University of Bologna, Bologna, Italy
| | - Edoardo Pozzi
- Medical Affairs Department, Edmond Pharma, Paderno, Italy
| | - Jadwiga A Wedzicha
- Respiratory Division, National Heart And Lung Institute, Imperial College London, London, UK
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14
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LABAs and p38MAPK Inhibitors Reverse the Corticosteroid-Insensitivity of IL-8 in Airway Smooth Muscle Cells of COPD. J Clin Med 2019; 8:jcm8122058. [PMID: 31766770 PMCID: PMC6947523 DOI: 10.3390/jcm8122058] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/04/2019] [Accepted: 11/14/2019] [Indexed: 12/11/2022] Open
Abstract
Airway inflammation in chronic obstructive pulmonary disease (COPD) is partially insensitive/resistant to inhaled corticosteroids (ICS). ICS plus bronchodilator therapy has been discussed for COPD phenotypes with frequent exacerbations and participation of corticosteroid-sensitive type 2/eosinophilic inflammation. Neutralization of non-type 2/IL-8-associated airway inflammation by reversion of its corticosteroid-resistance might be a future strategy for other phenotypes. Human airway smooth muscle cells (HASMCs) produce corticosteroid-insensitive IL-8 in response to TNFα or LPS in stable disease stages or bacteria-induced exacerbations, respectively. p38-mitogen-activated-protein-kinases (p38MAPKs) are alternative therapeutic targets. Hypothesis: long-acting-β2-agonists (LABAs) reverse the corticosteroid-insensitivity of IL-8 by p38MAPK inhibition in HASMCs. Cultivated HASMCs from COPD subjects were pre-incubated with formoterol, salmeterol, fluticasone-propionate, BIRB796 (p38MAPKα, -γ, -δ inhibitor), and/or SB203580 (p38MAPKα and -β inhibitor) before stimulation with TNFα or LPS. IL-8 and MAPK-activities were measured by ELISA. Formoterol, salmeterol, and fluticasone did not or hardly reduced TNFα- or LPS-induced IL-8. BIRB796 and SB203580 reduced TNFα-induced IL-8. SB203580 reduced LPS-induced IL-8. Fluticasone/formoterol, fluticasone/salmeterol, and fluticasone/BIRB796, but not fluticasone/SB203580 combinations, reduced TNFα-induced IL-8 stronger than single treatments. All combinations including fluticasone/SB203580 reduced LPS-induced IL-8 stronger than single treatments. TNFα induced p38MAPKα and -γ activity. LPS induced p38MAPKα activity. Formoterol reduced TNFα-induced p38MAPKγ and LPS-induced p38MAPKα activity. LABAs reverse the corticosteroid-insensitivity of IL-8 in airway smooth muscles via p38MAPKγ in stable disease and via p38MAPKα in exacerbations. Our pre-clinical data indicate a utility for also adding ICS in non-type 2 inflammatory COPD phenotypes to bronchodilator therapy. Depending on phenotype and disease stage, isoform-specific p38MAPK blockers might also reverse corticosteroid-resistance in COPD.
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15
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Dalon F, Roche N, Belhassen M, Nolin M, Pegliasco H, Deslée G, Housset B, Devillier P, Van Ganse E. Dual versus triple therapy in patients hospitalized for COPD in France: a claims data study. Int J Chron Obstruct Pulmon Dis 2019; 14:1839-1854. [PMID: 31692478 PMCID: PMC6708389 DOI: 10.2147/copd.s214061] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 07/10/2019] [Indexed: 12/12/2022] Open
Abstract
Purposes Following a hospitalization for COPD, dual and triple therapies were compared in terms of persistence and relations with outcomes (exacerbations, health care resource use and costs). Methods This was a historical observational database study. All patients aged ≥45 hospitalized for COPD between 2007 and 2015 were identified in a 1/97th random sample of French claims data. Patients receiving dual therapy within 60 days after hospitalization were compared to patients receiving triple therapy, after propensity score matching on disease severity. Results Of the 3,089 patients hospitalized for COPD, 1,538 (49.8%) received either dual or triple therapy in the 2 months following inclusion, and 1,500 (48.6%) had at least 30 days of follow-up available; 846 (27.4%) received dual therapy, and 654 (21.2%) received triple therapy. After matching, the number of exacerbations was 2.4 per year in the dual vs 2.3 in the triple group (p=0.45). Among newly treated patients (n=206), persistence at 12 months was similar in the dual and triple groups (48% vs 41%, respectively, p=0.37). As compared to patients on dual therapy, more patients on triple therapy received oral corticosteroids (49.1 vs 40.4%, p=0.003) or were hospitalized for any reason (67% vs 55.8%, p=0.0001) or for COPD (35.3 vs 25.1%, p=0.0002) during follow-up. Cost of care was higher for patients on triple than for those on dual therapy (€11,877.1 vs €9,825.1, p=0.01). Conclusion Following hospitalizations for COPD, patients on dual and triple therapy experienced recurrent exacerbations, limited adherence to therapies and high cost of care. Patients on triple therapy appeared more severe than those on dual therapy, as reflected by exacerbations and health care resource use.
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Affiliation(s)
| | - Nicolas Roche
- Respiratory Medicine, Cochin Hospital, AP-HP and Paris Descartes University (EA2511), Sorbonne Paris Cité, Paris, France
| | | | - Maëva Nolin
- Pharmacoepidemiology Department, PELyon, Lyon, France
| | | | - Gaëtan Deslée
- Pulmonary Department, INSERM U1250, Maison Blanche University Hospital, Reims, France
| | - Bruno Housset
- Pulmonary Department, CHI de Créteil, University Paris Est Créteil, Créteil, France
| | - Philippe Devillier
- Department of Airway Diseases, UPRES EA 220, Foch Hospital, Paris-Saclay University, Suresnes, France
| | - Eric Van Ganse
- Pharmacoepidemiology Department, PELyon, Lyon, France.,EA 7425 Hesper Health Services and Performance Research, Claude-Bernard University, Lyon, France.,Respiratory Medicine, Croix-rousse Hospital, Lyon, France
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16
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Liang Z, Long F, Wang F, Yang Y, Xiao J, Deng K, Gu W, Zhou L, Xie J, Jian W, Chen X, Jiang M, Zheng J, Peng T, Chen R. Identification of clinically relevant subgroups of COPD based on airway and circulating autoantibody profiles. Mol Med Rep 2019; 20:2882-2892. [PMID: 31322204 DOI: 10.3892/mmr.2019.10498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 04/30/2019] [Indexed: 11/05/2022] Open
Affiliation(s)
- Zhenyu Liang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Fei Long
- State Key Laboratory of Respiratory Disease, Sino‑French Hoffmann Institute, College of Basic Medical Science, Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
| | - Fengyan Wang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Yuqiong Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Jing Xiao
- State Key Laboratory of Respiratory Disease, Sino‑French Hoffmann Institute, College of Basic Medical Science, Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
| | - Kuimiao Deng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Weili Gu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Luqian Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Jiaxing Xie
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Wenhua Jian
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Xin Chen
- Department of Respiratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, P.R. China
| | - Mei Jiang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Jinping Zheng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
| | - Tao Peng
- State Key Laboratory of Respiratory Disease, Sino‑French Hoffmann Institute, College of Basic Medical Science, Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
| | - Rongchang Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
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17
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Reis A, Alves C, Furtado S, Ferreira J, Drummond M, Robalo-Cordeiro C. COPD exacerbations: management and hospital discharge. Pulmonology 2018; 24:345-350. [DOI: 10.1016/j.pulmoe.2018.06.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 06/17/2018] [Indexed: 10/28/2022] Open
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18
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Rabe KF, Hurst JR, Suissa S. Cardiovascular disease and COPD: dangerous liaisons? Eur Respir Rev 2018; 27:27/149/180057. [PMID: 30282634 DOI: 10.1183/16000617.0057-2018] [Citation(s) in RCA: 187] [Impact Index Per Article: 31.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 08/20/2018] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) frequently occur together and their coexistence is associated with worse outcomes than either condition alone. Pathophysiological links between COPD and CVD include lung hyperinflation, systemic inflammation and COPD exacerbations. COPD treatments may produce beneficial cardiovascular (CV) effects, such as long-acting bronchodilators, which are associated with improvements in arterial stiffness, pulmonary vasoconstriction, and cardiac function. However, data are limited regarding whether these translate into benefits in CV outcomes. Some studies have suggested that treatment with long-acting β2-agonists and long-acting muscarinic antagonists leads to an increase in the risk of CV events, particularly at treatment initiation, although the safety profile of these agents with prolonged use appears reassuring. Some CV medications may have a beneficial impact on COPD outcomes, but there have been concerns about β-blocker use leading to bronchospasm in COPD, which may result in patients not receiving guideline-recommended treatment. However, there are few data suggesting harm with these agents and patients should not be denied β-blockers if required. Clearer recommendations are necessary regarding the identification and management of comorbid CVD in patients with COPD in order to facilitate early intervention and appropriate treatment.
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Affiliation(s)
- Klaus F Rabe
- Dept of Medicine, University of Kiel, Kiel, Germany .,Lung Clinic Großhansdorf, Airway Research Center North (ARCN), Groβhansdorf, Germany
| | - John R Hurst
- Centre for Inflammation and Tissue Repair, Division of Medicine, University College London, London, UK
| | - Samy Suissa
- Centre for Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital, Montreal, QC, Canada.,Dept of Epidemiology and Biostatistics, McGill University, Montreal, QC, Canada
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19
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Neder JA, Rocha A, Alencar MCN, Arbex F, Berton DC, Oliveira MF, Sperandio PA, Nery LE, O'Donnell DE. Current challenges in managing comorbid heart failure and COPD. Expert Rev Cardiovasc Ther 2018; 16:653-673. [PMID: 30099925 DOI: 10.1080/14779072.2018.1510319] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Heart failure (HF) with reduced ejection fraction and chronic obstructive pulmonary disease (COPD) frequently coexist, particularly in the elderly. Given their rising prevalence and the contemporary trend to longer life expectancy, overlapping HF-COPD will become a major cause of morbidity and mortality in the next decade. Areas covered: Drawing on current clinical and physiological constructs, the consequences of negative cardiopulmonary interactions on the interpretation of pulmonary function and cardiopulmonary exercise tests in HF-COPD are discussed. Although those interactions may create challenges for the diagnosis and assessment of disease stability, they provide a valuable conceptual framework to rationalize HF-COPD treatment. The impact of COPD or HF on the pharmacological treatment of HF or COPD, respectively, is then comprehensively discussed. Authors finalize by outlining how the non-pharmacological treatment (i.e. rehabilitation and exercise reconditioning) can be tailored to the specific needs of patients with HF-COPD. Expert commentary: Randomized clinical trials testing the efficacy and safety of new medications for HF or COPD should include a sizeable fraction of patients with these coexistent pathologies. Multidisciplinary clinics involving cardiologists and respirologists trained in both diseases (with access to unified cardiorespiratory rehabilitation programs) are paramount to decrease the humanitarian and social burden of HF-COPD.
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Affiliation(s)
- J Alberto Neder
- a Laboratory of Clinical Exercise Physiology , Kingston Health Science Center & Queen's University , Kingston , Canada.,b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Alcides Rocha
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Maria Clara N Alencar
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Flavio Arbex
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Danilo C Berton
- c Federal University of Rio Grande do Sul , Porto Alegre , Brazil
| | - Mayron F Oliveira
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Priscila A Sperandio
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Luiz E Nery
- b Heart Failure-COPD Outpatients Service and Pulmonary Function and Clinical Exercise Physiology Unit (SEFICE), Divisions of Respirology and Cardiology , Federal University of Sao Paulo , Sao Paulo , Brazil
| | - Denis E O'Donnell
- d Respiratory Investigation Unit , Queen's University & Kingston General Hospital , Kingston , Canada
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20
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Anzueto A, Miravitlles M. Chronic Obstructive Pulmonary Disease Exacerbations: A Need for Action. Am J Med 2018; 131:15-22. [PMID: 29777660 DOI: 10.1016/j.amjmed.2018.05.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 05/04/2018] [Indexed: 11/30/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality, with exacerbations contributing strongly to the overall severity and burden of disease at the individual level. Many patients with COPD are managed predominantly in the primary care setting; therefore, primary care physicians (PCPs) must be aware of and understand the causes, effects, and management of COPD exacerbations. This review offers practical information about how exacerbations are defined in the treatment setting, pathogenic and environmental causes, options for exacerbation treatment and prevention, and suggestions for improving care in the clinic. Exacerbations have a strong negative effect on patients and are associated with an increased risk of further exacerbations and decreases in lung function. Thus, it is important that exacerbations not requiring hospitalization be identified and confidently managed in the clinical setting. Understanding treatment options for acute exacerbations and maintenance treatment to prevent future exacerbations may help PCPs better understand what they can do to support their patients. This review aims to provide useful guidance for PCPs to identify exacerbations and adjust their practice for optimal management of exacerbations in patients with COPD. It also aims to encourage PCPs that they have an important task in integrating effective COPD management into the primary care setting.
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Affiliation(s)
- Antonio Anzueto
- University of Texas Health Science Center at San Antonio, Department of Medicine, Pulmonary/Critical Care, South Texas Veterans Health Care System, San Antonio, Texas, USA.
| | - Marc Miravitlles
- Pneumology Department, Hospital Universitari Vall d'Hebron, Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), Barcelona, Spain
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21
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Hong M, Hong C, Chen H, Ke G, Huang J, Huang X, Liu Y, Li F, Li C. Effects of the Chinese herb formula Yufeining on stable chronic obstructive pulmonary disease: A randomized, double-blind, placebo-controlled trial. Medicine (Baltimore) 2018; 97:e12461. [PMID: 30278529 PMCID: PMC6181551 DOI: 10.1097/md.0000000000012461] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 08/28/2018] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND A Chinese herb formula Yufeining (YFN) has showed promise in the treatment of stable chronic obstructive pulmonary disease (COPD), less is known that the impact of YFN in combination with standard Western treatments on lung inflammation. This study evaluated the safety and efficacy of YFN as a treatment for stable COPD and as an anti-inflammatory agent. METHODS Sixty patients with stable COPD were randomly assigned to two treatment groups (YFN treatment, N = 30; placebo treatment, N = 30). Both groups received inhaled steroids and bronchodilators during an 8-week intervention, and patient status was assessed at 8 weeks later and 4 months after treatment. The primary outcome included clinical efficacy. The secondary outcomes involved CAT score, mMRC grade, six-minute walking distance (6MWD). IL-8, TNF-α, IL-17A, LTB4, TGF-β1 and CRP were also detection in peripheral serum, as well as adverse reaction conditions. RESULTS The YFN group demonstrated a significant improvement in clinical efficacy (compare 89.3% to 63.3% in the placebo group; P < 0.05). CAT scores and mMRC grades significantly decreased (P < 0.05, P < 0.01), and 6MWD significantly increased (P<0.05), after YFN treatment. The levels of IL-8, TNF-α, LTB4 and CRP decreased significantly after 8 weeks of treatment compared to baseline levels in both groups. Only in the YFN treatment group, the levels of IL-17A decreased significantly after treatment compared to baseline levels (P < 0.05). No changes were observed inTGF-β1 from pre-to post-treatment in either group (P > 0.05). Serum levels of IL-8, TNF-α, IL-17A, LTB4 and CRP decreased significantly after YFN treatment compared to the placebo group (P < 0.05). CONCLUSION A combinatorial treatment approach with YFN, inhaled steroids and bronchodilators produced a clinically effective treatment for stable COPD, leading to a significant decrease in circulating inflammatory mediators. The study appeared YFN was safety. CLINICAL TRIAL REGISTRATION NUMBER No. ChiCTR-IOR-17013577.
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Affiliation(s)
- Minli Hong
- Fujian University of Traditional Chinese Medicine, Fuzhou
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Chunlin Hong
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Huinuan Chen
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Gengshen Ke
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Jinrong Huang
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Xiaohua Huang
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Yanhong Liu
- Fujian Province Zhangzhou Municipal TCM Hospital, Affiliated Hospital of Fujian University of Traditional Chinese Medicine, Zhangzhou
| | - Fengsen Li
- Traditional Chinese Medicine Hospital, Affiliated to Xinjiang Medical University & National Clinical Research Base of Traditional Chinese Medicine, Wulumuqi, Xinjiang, China
| | - Candong Li
- Fujian University of Traditional Chinese Medicine, Fuzhou
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22
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Tashkin DP, Strange C. Inhaled corticosteroids for chronic obstructive pulmonary disease: what is their role in therapy? Int J Chron Obstruct Pulmon Dis 2018; 13:2587-2601. [PMID: 30214177 PMCID: PMC6118265 DOI: 10.2147/copd.s172240] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Inhaled corticosteroids (ICSs) are a mainstay of COPD treatment for patients with a history of exacerbations. Initial studies evaluating their use as monotherapy failed to show an effect on rate of pulmonary function decline in COPD, despite improvements in symptoms and reductions in exacerbations. Subsequently, ICS use in combination with long-acting β2-agonists (LABAs) was shown to provide improved reductions in exacerbations, lung function, and health status. ICS-LABA combination therapy is currently recommended for patients with a history of exacerbations despite treatment with long-acting bronchodilators alone. The presence of eosinophilic bronchial inflammation, detected by high blood eosinophil levels or a history of asthma or asthma-COPD overlap, may define a population of patients in whom ICSs may be of particular benefit. Prospective clinical studies to determine an appropriate threshold of eosinophil levels for predicting the beneficial effects of ICSs are needed. Further study is also required in COPD patients who continue to smoke to assess the impact of cell- and tissue-specific changes on ICS responsiveness. The safety profile of ICSs in COPD patients is confounded by comorbidities, age, and prior use of systemic corticosteroids. The risk of pneumonia in patients with COPD is increased, particularly with more advanced age and worse disease severity. ICS-containing therapy also has been shown to increase pneumonia risk; however, differences in study design and the definition of pneumonia events have led to substantial variability in risk estimates, and some data indicate that pneumonia risk may differ by the specific ICS used. In summary, treatment with ICSs has a role in dual and triple therapy for COPD to reduce exacerbations and improve symptoms. Careful assessment of COPD phenotypes related to risk factors, triggers, and comorbidities may assist in individualizing treatment while maximizing the benefit-to-risk ratio of ICS-containing COPD treatment.
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Affiliation(s)
- Donald P Tashkin
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA,
| | - Charlie Strange
- Department of Pulmonary and Critical Care Medicine, Medical University of South Carolina, Charleston, SC, USA
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23
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Singh D. Single inhaler triple therapy with extrafine beclomethasone, formoterol, and glycopyrronium for the treatment of chronic obstructive pulmonary disease. Expert Opin Pharmacother 2018; 19:1279-1287. [PMID: 29985096 DOI: 10.1080/14656566.2018.1498841] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Chronic obstructive pulmonary disease (COPD) management focuses on the alleviation of symptoms and prevention of exacerbations. Inhaled long acting bronchodilators and inhaled corticosteroids (ICS) are the main classes of treatment for COPD. Triple therapy with a long acting beta2-agonist (LABA), long acting muscarinic antagonist (LAMA), and ICS is commonly prescribed for symptomatic COPD patients experiencing regular exacerbations. Triple therapy is usually administered using separate inhalers; there is little clinical trial evidence of an effect on exacerbation prevention with this approach. Areas covered: This evaluation reviews the single inhaler extrafine combination containing beclometasone diproprionate (BDP), formoterol fumarate (FF), and glycopyrronium bromide (GB) which has been developed as a simplified triple regime. BDP/FF/GB significantly reduced exacerbation rates in three clinical trials (1-year duration) compared against LAMA monotherapy (20% exacerbation reduction), ICS/LABA combination (23% exacerbation reduction), and LAMA/LABA combination (15% exacerbation reduction). Expert opinion: The practical benefits of single inhaler triple therapy in the real world have not been studied. However, the robust clinical trial evidence that BDP/FF/GB reduces exacerbations compared to double combination treatments and LAMA monotherapy cements triple therapy positioning as an escalation step in COPD management pathways.
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Affiliation(s)
- Dave Singh
- a University of Manchester, Medicines Evaluation Unit, The Langley Building, Manchester University NHS Foundation Hospital Trust , Manchester , UK
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24
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D'Urzo AD, Kardos P, Wiseman R. Practical considerations when prescribing a long-acting muscarinic antagonist for patients with COPD. Int J Chron Obstruct Pulmon Dis 2018; 13:1089-1104. [PMID: 29670345 PMCID: PMC5894726 DOI: 10.2147/copd.s160577] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
COPD is characterized by persistent airflow limitation, progressive breathlessness, cough, and sputum production. Long-acting muscarinic antagonists (LAMAs) are one of the recommended first-choice therapeutic options for patients with COPD, and several new agents have been developed in recent years. A literature search identified 14 published randomized, placebo-controlled studies of the efficacy and safety of LAMAs in patients with COPD, with improvements seen in lung function, exacerbations, breathlessness, and health status. A greater weight of evidence currently exists for glycopyrronium (GLY) and tiotropium than for umeclidinium and aclidinium, especially in terms of exacerbation reductions. To date, there have been few head-to-head clinical studies of the different LAMAs. Available data indicate that GLY and aclidinium have similar efficacy to tiotropium in terms of improving lung function, dyspnea, exacerbations, and health status. Overall, evidence demonstrates that currently available LAMAs provide effective and generally well-tolerated therapy for patients with COPD. Delivery devices for the different LAMAs vary, which may affect individual patient's adherence to and preference for treatment. Subtle differences between individual therapeutic options may be important to individual patients and the final treatment choice should involve physician's and patient's experiences and preferences.
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Affiliation(s)
- Anthony D D'Urzo
- Department of Family and Community Medicine, Faculty of Medicine, University of Toronto, ON, Canada
| | - Peter Kardos
- Group Practice and Centre for Allergy, Respiratory and Sleep Medicine, Red Cross Maingau Hospital, Frankfurt, Germany
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25
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Abstract
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. While COPD is a mainly chronic disease, a substantial number of patients suffer from exacerbations. Severe exacerbations are related to a significantly worse survival outcome. This review summarises the current knowledge on the different aspects of COPD exacerbations. The impact of risk factors and triggers such as smoking, severe airflow limitation, bronchiectasis, bacterial and viral infections and comorbidities is discussed. More severe exacerbations should be treated with β-agonists and anticholinergics as well as systemic corticosteroids. Antibiotic therapy should only be given to patients with presumed bacterial infection. Noninvasive ventilation is indicated in patients with respiratory failure. Smoking cessation is key to prevent further COPD exacerbations. Other aspects include choice of pharmacotherapy, including bronchodilators, inhaled corticosteroids, phosphodiesterase-4 inhibitors, long-term antibiotics and mucolytics. Better education and self-management as well as increased physical activity are important. Influenza and pneumococcal vaccination is recommended. Treatment of hypoxaemia and hypercapnia reduce the rate of COPD exacerbations, while most interventional bronchoscopic therapies increase exacerbation risk within the first months after the procedure. This article highlights the importance of preventing exacerbations of COPDhttp://ow.ly/ODQp30i5Cel
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Affiliation(s)
- Christian Viniol
- Dept of Medicine, Pulmonary and Critical Care Medicine, University Medical Centre Giessen and Marburg, Philipps-Universität Marburg, Member of the German Centre for Lung Research (DZL), Marburg, Germany
| | - Claus F Vogelmeier
- Dept of Medicine, Pulmonary and Critical Care Medicine, University Medical Centre Giessen and Marburg, Philipps-Universität Marburg, Member of the German Centre for Lung Research (DZL), Marburg, Germany
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26
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Jenkins C. Real-world study of acute exacerbations of COPD reveals real gaps in care. Respirology 2018; 23:644-645. [DOI: 10.1111/resp.13282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Accepted: 02/15/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Christine Jenkins
- Respiratory Group; The George Institute for Global Health, The University of New South Wales; Sydney NSW, Australia Australia
- Department of Thoracic Medicine; Concord Hospital; Sydney NSW, Australia Australia
- Respiratory Discipline; University of Sydney; Sydney NSW Australia
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27
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Pomares X, Montón C, Bullich M, Cuevas O, Oliva JC, Gallego M, Monsó E. Clinical and Safety Outcomes of Long-Term Azithromycin Therapy in Severe COPD Beyond the First Year of Treatment. Chest 2018; 153:1125-1133. [PMID: 29427576 DOI: 10.1016/j.chest.2018.01.044] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 01/11/2018] [Accepted: 01/26/2018] [Indexed: 10/18/2022] Open
Abstract
BACKGROUND Exacerbations of COPD (ECOPD) are a major cause of mortality and morbidity. Continuous cyclic azithromycin (CC-A) reduces the exacerbation rate, but it is unknown whether it remains effective and safe beyond the first year. METHODS This study was a retrospective analysis of patients with severe COPD (Global Initiative for Chronic Obstructive Lung Disease grade D) with ≥ 4 moderate to severe ECOPD who received CC-A (500 mg three times per week) as add-on therapy. Patients treated over 24 months were considered long-term continuous cyclic azithromycin (LT-CC-A) users, and ECOPD, hospitalizations, and length of hospital stays during the first, second, and third years were compared with the previous 12 months. Microbiologic monitoring, assessment of macrolide resistance, and analysis of side effects were maintained throughout the study period. RESULTS A total of 109 patients with severe COPD treated with CC-A (39 for ≥ 24 months) comprised the LT-CC-A group (35.8%). This group presented average reductions in ECOPD from baseline of 56.2% at 12 months, 70% at 24 months, and 41% at 36 months, paralleled by respective reductions in hospitalizations of 62.6%, 75.8%, and 39.8%. ECOPD due to common microorganisms fell by 12.5% and 17.3% at 12 and 24 months of LT-CC-A, respectively, with a 50% increase in macrolide resistance. Pseudomonas aeruginosa ECOPD rose by 7.2% and 13.1% at these two time points. CC-A therapy was well tolerated with few side effects: digestive disorders in the short term (7.1%) and hearing loss in the long term (5.1%). CONCLUSIONS LT-CC-A therapy over a 24- to 36-month period in patients with COPD (Global Initiative for Chronic Obstructive Lung Disease grade D) achieved sustained reductions in ECOPD and hospitalizations of > 50% with few adverse events, although macrolide resistance increased.
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Affiliation(s)
- Xavier Pomares
- Department of Respiratory Medicine, Hospital de Sabadell, Institut Universitari Parc Taulí-UAB, Sabadell, Spain; CIBER de Enfermedades Respiratorias, CIBERES, Bunyola, Spain.
| | - Concepción Montón
- Department of Respiratory Medicine, Hospital de Sabadell, Institut Universitari Parc Taulí-UAB, Sabadell, Spain; Health Services Research on Chronic Diseases Network-REDISSEC, Galdakao, Spain
| | - Miriam Bullich
- Department of Respiratory Medicine, Hospital de Sabadell, Institut Universitari Parc Taulí-UAB, Sabadell, Spain
| | - Oscar Cuevas
- Laboratory of Microbiology, Institut Universitari Parc Taulí-UAB, Sabadell, Spain
| | - Joan Carles Oliva
- Epidemiology and Assessment Unit, Fundació Parc Taulí, Universitat Autònoma de Barcelona, Sabadell, Spain
| | - Miguel Gallego
- Department of Respiratory Medicine, Hospital de Sabadell, Institut Universitari Parc Taulí-UAB, Sabadell, Spain; CIBER de Enfermedades Respiratorias, CIBERES, Bunyola, Spain
| | - Eduard Monsó
- Department of Respiratory Medicine, Hospital de Sabadell, Institut Universitari Parc Taulí-UAB, Sabadell, Spain; CIBER de Enfermedades Respiratorias, CIBERES, Bunyola, Spain
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28
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Ariel A, Altraja A, Belevskiy A, Boros PW, Danila E, Fležar M, Koblizek V, Fridlender ZG, Kostov K, Krams A, Milenkovic B, Somfay A, Tkacova R, Tudoric N, Ulmeanu R, Valipour A. Inhaled therapies in patients with moderate COPD in clinical practice: current thinking. Int J Chron Obstruct Pulmon Dis 2017; 13:45-56. [PMID: 29317810 PMCID: PMC5743110 DOI: 10.2147/copd.s145573] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
COPD is a complex, heterogeneous condition. Even in the early clinical stages, COPD carries a significant burden, with breathlessness frequently leading to a reduction in exercise capacity and changes that correlate with long-term patient outcomes and mortality. Implementation of an effective management strategy is required to reduce symptoms, preserve lung function, quality of life, and exercise capacity, and prevent exacerbations. However, current clinical practice frequently differs from published guidelines on the management of COPD. This review focuses on the current scientific evidence and expert opinion on the management of moderate COPD: the symptoms arising from moderate airflow obstruction and the burden these symptoms impose, how physical activity can improve disease outcomes, the benefits of dual bronchodilation in COPD, and the limited evidence for the benefits of inhaled corticosteroids in this disease. We emphasize the importance of maximizing bronchodilation in COPD with inhaled dual-bronchodilator treatment, enhancing patient-related outcomes, and enabling the withdrawal of inhaled corticosteroids in COPD in well-defined patient groups.
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Affiliation(s)
- Amnon Ariel
- Emek Medical Center, Clalit Healthcare Services, Afula, Israel
| | - Alan Altraja
- Department of Pulmonary Medicine, University of Tartu
- Lung Clinic, Tartu University Hospital, Tartu, Estonia
| | - Andrey Belevskiy
- Department of Pulmonology, Russian National Research Medical University, Moscow, Russia
| | - Piotr W Boros
- Lung Pathophysiology Department, National TB and Lung Diseases Research Institute, Warsaw, Poland
| | - Edvardas Danila
- Clinic of Infectious Chest Diseases, Dermatovenereology, and Allergology, Vilnius University, Centre of Pulmonology and Allergology, Vilnius University Hospital, Vilnius, Lithuania
| | - Matjaz Fležar
- University Clinic of Respiratory and Allergic Diseases, Golnik, Slovenia
| | - Vladimir Koblizek
- Department of Pneumology, University Hospital, Hradec Králové, Czech Republic
| | - Zvi G Fridlender
- Institute of Pulmonary Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Kosta Kostov
- Clinic of Pulmonary Diseases, Military Medical Academy, Sofia, Bulgaria
| | - Alvils Krams
- Medical Faculty of Latvian University, Riga East University Hospital, Riga, Latvia
| | - Branislava Milenkovic
- Clinic for Pulmonary Diseases, Clinical Centre of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Attila Somfay
- Department of Pulmonology, University of Szeged, Deszk, Hungary
| | - Ruzena Tkacova
- Department of Respiratory Medicine and Tuberculosis, Faculty of Medicine, PJ Safarik University, Košice, Slovakia
| | - Neven Tudoric
- School of Medicine, Dubrava University Hospital, Zagreb, Croatia
| | | | - Arschang Valipour
- Department of Respiratory and Critical Care Medicine, Ludwig Boltzmann Institute for COPD and Respiratory Epidemiology, Vienna, Austria
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29
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Banerji D, Fogel R, Patalano F. Indacaterol/glycopyrronium: a dual bronchodilator for COPD. Drug Discov Today 2017; 23:196-203. [PMID: 29079130 DOI: 10.1016/j.drudis.2017.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 10/13/2017] [Accepted: 10/18/2017] [Indexed: 12/15/2022]
Abstract
Indacaterol/glycopyrronium (IND/GLY) 110/50mcg was the first once-daily, long-acting β2-agonist (LABA)/long-acting muscarinic antagonist (LAMA) fixed-dose combination (FDC) approved in Europe for the treatment of chronic obstructive pulmonary disease (COPD). Development of IND/GLY was driven by the need to improve the standard of care for patients with this disease, in terms of symptom control and exacerbation frequency. IGNITE, an adaptive, comprehensive, and innovative Phase 3 development program, demonstrated the efficacy of IND/GLY in optimising bronchodilation, reducing symptoms, and reducing exacerbations in patients with COPD. IGNITE challenged contemporary thinking about the pharmacological treatment and management of patients with this disease.
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Affiliation(s)
- Donald Banerji
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA.
| | - Robert Fogel
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
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30
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Euba B, López-López N, Rodríguez-Arce I, Fernández-Calvet A, Barberán M, Caturla N, Martí S, Díez-Martínez R, Garmendia J. Resveratrol therapeutics combines both antimicrobial and immunomodulatory properties against respiratory infection by nontypeable Haemophilus influenzae. Sci Rep 2017; 7:12860. [PMID: 29038519 PMCID: PMC5643544 DOI: 10.1038/s41598-017-13034-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 09/12/2017] [Indexed: 12/21/2022] Open
Abstract
The respiratory pathogen nontypeable Haemophilus influenzae (NTHi) is an important cause of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) that requires efficient treatments. A previous screening for host genes differentially expressed upon NTHi infection identified sirtuin-1, which encodes a NAD-dependent deacetylase protective against emphysema and is activated by resveratrol. This polyphenol concomitantly reduces NTHi viability, therefore highlighting its therapeutic potential against NTHi infection at the COPD airway. In this study, resveratrol antimicrobial effect on NTHi was shown to be bacteriostatic and did not induce resistance development in vitro. Analysis of modulatory properties on the NTHi-host airway epithelial interplay showed that resveratrol modulates bacterial invasion but not subcellular location, reduces inflammation without targeting phosphodiesterase 4B gene expression, and dampens β defensin-2 gene expression in infected cells. Moreover, resveratrol therapeutics against NTHi was evaluated in vivo on mouse respiratory and zebrafish septicemia infection model systems, showing to decrease NTHi viability in a dose-dependent manner and reduce airway inflammation upon infection, and to have a significant bacterial clearing effect without signs of host toxicity, respectively. This study presents resveratrol as a therapeutic of particular translational significance due to the attractiveness of targeting both infection and overactive inflammation at the COPD airway.
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Affiliation(s)
- Begoña Euba
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Instituto de Agrobiotecnología, CSIC-Universidad Pública Navarra-Gobierno Navarra, Mutilva, Spain
| | - Nahikari López-López
- Instituto de Agrobiotecnología, CSIC-Universidad Pública Navarra-Gobierno Navarra, Mutilva, Spain
| | - Irene Rodríguez-Arce
- Instituto de Agrobiotecnología, CSIC-Universidad Pública Navarra-Gobierno Navarra, Mutilva, Spain
| | - Ariadna Fernández-Calvet
- Instituto de Agrobiotecnología, CSIC-Universidad Pública Navarra-Gobierno Navarra, Mutilva, Spain
| | | | - Nuria Caturla
- Monteloeder, Elche Parque Empresarial, Elche, Alicante, Spain
| | - Sara Martí
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Departamento Microbiología, Hospital Universitari Bellvitge, University of Barcelona, IDIBELL, Barcelona, Spain
| | - Roberto Díez-Martínez
- Ikan Biotech SL, The Zebrafish Lab, Centro Europeo de Empresas e Innovación de Navarra (CEIN), Noáin, Spain
| | - Junkal Garmendia
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain. .,Instituto de Agrobiotecnología, CSIC-Universidad Pública Navarra-Gobierno Navarra, Mutilva, Spain.
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31
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Perng DW, Chen PK. The Relationship between Airway Inflammation and Exacerbation in Chronic Obstructive Pulmonary Disease. Tuberc Respir Dis (Seoul) 2017; 80:325-335. [PMID: 28905537 PMCID: PMC5617848 DOI: 10.4046/trd.2017.0085] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 07/28/2017] [Accepted: 07/31/2017] [Indexed: 01/11/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is associated with abnormal inflammatory response and airflow limitation. Acute exacerbation involves increased inflammatory burden leading to worsening respiratory symptoms, including dyspnea and sputum production. Some COPD patients have frequent exacerbations (two or more exacerbations per year). A substantial proportion of COPD patients may remain stable without exacerbation. Bacterial and viral infections are the most common causative factors that breach airway stability and lead to exacerbation. The increasing prevalence of exacerbation is associated with deteriorating lung function, hospitalization, and risk of death. In this review, we summarize the mechanisms of airway inflammation in COPD and discuss how bacterial or viral infection, temperature, air pollution, eosinophilic inflammation, and concomitant chronic diseases increase airway inflammation and the risk of exacerbation.
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Affiliation(s)
- Diahn Warng Perng
- Department of Chest Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, Taiwan.
| | - Pei Ku Chen
- Department of Chest Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
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32
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Thomas M, Halpin DMG, Miravitlles M. When is dual bronchodilation indicated in COPD? Int J Chron Obstruct Pulmon Dis 2017; 12:2291-2305. [PMID: 28814857 PMCID: PMC5546730 DOI: 10.2147/copd.s138554] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Inhaled bronchodilator medications are central to the management of COPD and are frequently given on a regular basis to prevent or reduce symptoms. While short-acting bronchodilators are a treatment option for people with relatively few COPD symptoms and at low risk of exacerbations, for the majority of patients with significant breathlessness at the time of diagnosis, long-acting bronchodilators may be required. Dual bronchodilation with a long-acting β2-agonist and long-acting muscarinic antagonist may be more effective treatment for some of these patients, with the aim of improving symptoms. This combination may also reduce the rate of exacerbations compared with a bronchodilator-inhaled corticosteroid combination in those with a history of exacerbations. However, there is currently a lack of guidance on clinical indicators suggesting which patients should step up from mono- to dual bronchodilation. In this article, we discuss a number of clinical indicators that could prompt a patient and physician to consider treatment escalation, while being mindful of the need to avoid unnecessary polypharmacy. These indicators include insufficient symptomatic response, a sustained increased requirement for rescue medication, suboptimal 24-hour symptom control, deteriorating symptoms, the occurrence of exacerbations, COPD-related hospitalization, and reductions in lung function. Future research is required to provide a better understanding of the optimal timing and benefits of treatment escalation and to identify the appropriate tools to inform this decision.
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Affiliation(s)
- Mike Thomas
- Primary Care and Population Sciences, University of Southampton, Southampton
| | - David MG Halpin
- Department of Respiratory Medicine, Royal Devon and Exeter Hospital, Exeter, UK
| | - Marc Miravitlles
- Pneumology Department, Hospital Universitari Vall d’Hebron, Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
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33
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Miravitlles M, Anzueto A, Jardim JR. Optimizing bronchodilation in the prevention of COPD exacerbations. Respir Res 2017; 18:125. [PMID: 28633665 PMCID: PMC5477752 DOI: 10.1186/s12931-017-0601-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Accepted: 05/29/2017] [Indexed: 02/03/2023] Open
Abstract
The natural disease course of chronic obstructive pulmonary disease (COPD) is often punctuated by exacerbations: acute events of symptom worsening associated with significant morbidity and healthcare resource utilization; reduced quality of life; and increased risk of hospitalization and death. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) recommend that patients at risk of exacerbations (GOLD Groups C and D) receive a long-acting muscarinic antagonist (LAMA) or a long-acting β2-agonist (LABA)/LAMA combination, respectively, as preferred initial treatments. The latter recommendation is based on recent trial evidence demonstrating the superior efficacy of a fixed-dose LABA/LAMA over an inhaled corticosteroid (ICS)/LABA in exacerbation prevention. ICS in combination with a LABA is also indicated for prevention of exacerbations, but the use of ICS is associated with an increased risk of adverse events such as pneumonia, and offers limited benefits beyond those provided by LABA or LAMA monotherapy. In this review, we examine evidence from a number of pivotal studies of LABAs and LAMAs, administered as monotherapy or as part of dual or triple combination therapy, with a specific focus on their effect on exacerbations. We also discuss a new proposed treatment paradigm for the management of COPD that takes into account this recent evidence and adopts a more cautious approach to the use of ICS. In alignment with GOLD 2017, we suggest that ICS should be reserved for patients with concomitant asthma or in whom exacerbations persist despite treatment with LABA/LAMA.
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Affiliation(s)
- Marc Miravitlles
- Pneumology Department, Hospital Universitari Vall d’Hebron. CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain
| | - Antonio Anzueto
- University of Texas Health Science Center, and South Texas Veterans Health Care System, San Antonio, TX USA
| | - José R. Jardim
- Respiratory Division, Escola Paulista de Medicina / Federal University de São Paulo, São Paulo, Brazil
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Tratamiento de la EPOC Estable. Arch Bronconeumol 2017. [DOI: 10.1016/s0300-2896(17)30361-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Miravitlles M, Soler-Cataluña JJ, Calle M, Molina J, Almagro P, Quintano JA, Trigueros JA, Cosío BG, Casanova C, Riesco JA, Simonet P, Rigau D, Soriano JB, Ancochea J. Spanish COPD Guidelines (GesEPOC) 2017. Pharmacological Treatment of Stable Chronic Obstructive Pulmonary Disease. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.arbr.2017.03.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Miravitlles M, Soler-Cataluña JJ, Calle M, Molina J, Almagro P, Quintano JA, Trigueros JA, Cosío BG, Casanova C, Antonio Riesco J, Simonet P, Rigau D, Soriano JB, Ancochea J. Spanish Guidelines for Management of Chronic Obstructive Pulmonary Disease (GesEPOC) 2017. Pharmacological Treatment of Stable Phase. Arch Bronconeumol 2017; 53:324-335. [PMID: 28477954 DOI: 10.1016/j.arbres.2017.03.018] [Citation(s) in RCA: 333] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Revised: 03/23/2017] [Accepted: 03/29/2017] [Indexed: 01/04/2023]
Abstract
The clinical presentation of chronic obstructive pulmonary disease (COPD) varies widely, so treatment must be tailored according to the level of risk and phenotype. In 2012, the Spanish COPD Guidelines (GesEPOC) first established pharmacological treatment regimens based on clinical phenotypes. These regimens were subsequently adopted by other national guidelines, and since then, have been backed up by new evidence. In this 2017 update, the original severity classification has been replaced by a much simpler risk classification (low or high risk), on the basis of lung function, dyspnea grade, and history of exacerbations, while determination of clinical phenotype is recommended only in high-risk patients. The same clinical phenotypes have been maintained: non-exacerbator, asthma-COPD overlap (ACO), exacerbator with emphysema, and exacerbator with bronchitis. Pharmacological treatment of COPD is based on bronchodilators, the only treatment recommended in low-risk patients. High-risk patients will receive different drugs in addition to bronchodilators, depending on their clinical phenotype. GesEPOC reflects a more individualized approach to COPD treatment, according to patient clinical characteristics and level of risk or complexity.
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Affiliation(s)
- Marc Miravitlles
- Servicio de Neumología, Hospital Universitari Vall d'Hebron, Barcelona, España; CIBER de Enfermedades Respiratorias (CIBERES), España.
| | | | - Myriam Calle
- Servicio de Neumología, Hospital Clínico San Carlos, Departamento de Medicina, Facultad de Medicina, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, España
| | - Jesús Molina
- Centro de Salud Francia, Dirección Asistencial Oeste, Madrid, España
| | - Pere Almagro
- Servicio de Medicina Interna, Hospital Universitario Mutua de Terrassa, Terrassa, España
| | | | | | - Borja G Cosío
- Hospital Universitario Son Espases-IdISBa, Palma de Mallorca, España; CIBER de Enfermedades Respiratorias (CIBERES), España
| | - Ciro Casanova
- Servicio de Neumología-Unidad de Investigación, Hospital Universitario La Candelaria, Tenerife, España
| | | | - Pere Simonet
- Centro de Salud Viladecans-2, Dirección Atención Primaria Costa de Ponent-Institut Català de la Salut, Institut Universitari d'Investigació en Atenció Primària Jordi Gol (IDIAP Jordi Gol), Barcelona, España
| | - David Rigau
- Centro Cochrane Iberoamericano, Barcelona, España
| | - Joan B Soriano
- Instituto de Investigación Hospital Universitario de La Princesa (IISP), Universidad Autónoma de Madrid, Consultor Metodológico y de Investigación de SEPAR, Madrid, España
| | - Julio Ancochea
- Servicio de Neumología, Hospital Universitario de La Princesa, Instituto de Investigación, Hospital Universitario de La Princesa (IISP), Universidad Autónoma de Madrid, Madrid, España
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van Buul AR, Kasteleyn MJ, Chavannes NH, Taube C. Morning symptoms in COPD: a treatable yet often overlooked factor. Expert Rev Respir Med 2017; 11:311-322. [PMID: 28282500 DOI: 10.1080/17476348.2017.1305894] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Chronic obstructive pulmonary disease (COPD) patients experience the morning as the worst period of the day. Nevertheless, morning symptoms are not mentioned in COPD guidelines. Areas covered: Different topics on morning symptoms are covered in this review to underline their importance: occurrence, tools for assessment and therapies to limit morning symptoms. Expert commentary: Morning symptoms are common and have a negative influence on a patient's life. Pharmacotherapy seems to be effective in decreasing morning symptoms. A validated tool to assess morning symptoms is lacking. Therefore, more research should focus on assessing morning symptoms with a validated tool to further prove the effect of (pharmaco-) therapy. This will hopefully result in inclusion of morning symptoms in future guidelines.
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Affiliation(s)
- Amanda R van Buul
- a Department of Pulmonology , Leiden University Medical Center , Leiden , The Netherlands
| | - Marise J Kasteleyn
- a Department of Pulmonology , Leiden University Medical Center , Leiden , The Netherlands
| | - Niels H Chavannes
- b Department of Public Health and Primary Care , Leiden University Medical Center , Leiden , The Netherlands
| | - Christian Taube
- a Department of Pulmonology , Leiden University Medical Center , Leiden , The Netherlands
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Miravitlles M, Soler-Cataluña JJ. GOLD en 2017: una visión desde la Guía Española de la EPOC (GesEPOC). Arch Bronconeumol 2017; 53:89-90. [DOI: 10.1016/j.arbres.2017.01.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Revised: 01/07/2017] [Accepted: 01/09/2017] [Indexed: 11/15/2022]
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Miravitlles M, Anzueto A. A new two-step algorithm for the treatment of COPD. Eur Respir J 2017; 49:49/2/1602200. [DOI: 10.1183/13993003.02200-2016] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 11/20/2016] [Indexed: 11/05/2022]
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