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Burgess JK, Gosens R. Mechanotransduction and the extracellular matrix: Key drivers of lung pathologies and drug responsiveness. Biochem Pharmacol 2024:116255. [PMID: 38705536 DOI: 10.1016/j.bcp.2024.116255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/19/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
The lung is a biomechanically active organ, with multiscale mechanical forces impacting the organ, tissue and cellular responses within this microenvironment. In chronic lung diseases, such as chronic obstructive pulmonary disease, pulmonary fibrosis and others, the structure of the lung is drastically altered impeding gas exchange. These changes are, in part, reflected in alterations in the composition, amount and organization of the extracellular matrix within the different lung compartments. The transmission of mechanical forces within lung tissue are broadcast by this complex mix of extracellular matrix components, in particular the collagens, elastin and proteoglycans and the crosslinking of these components. At both a macro and a micro level, the mechanical properties of the microenvironment have a key regulatory role in ascertaining cellular responses and the function of the lung. Cells adhere to, and receive signals from, the extracellular matrix through a number of different surface receptors and complexes which are important for mechanotransduction. This review summarizes the multiscale mechanics in the lung and how the mechanical environment changes in lung disease and aging. We then examine the role of mechanotransduction in driving cell signaling events in lung diseases and finish with a future perspective of the need to consider how such forces may impact pharmacological responsiveness in lung diseases.
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Affiliation(s)
- Janette K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen, the Netherlands; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands.
| | - Reinoud Gosens
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, the Netherlands; Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands
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2
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Matera MG, Rinaldi B, Calabrese C, Belardo C, Calzetta L, Cazzola M, Page C. The effect of combining an inhaled corticosteroid and a long-acting muscarinic antagonist on human airway epithelial cells in vitro. Respir Res 2024; 25:104. [PMID: 38419021 PMCID: PMC10902985 DOI: 10.1186/s12931-024-02710-8] [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: 12/18/2023] [Accepted: 01/26/2024] [Indexed: 03/02/2024] Open
Abstract
BACKGROUND Airway epithelial cells (AECs) are a major component of local airway immune responses. Direct effects of type 2 cytokines on AECs are implicated in type 2 asthma, which is driven by epithelial-derived cytokines and leads to airway obstruction. However, evidence suggests that restoring epithelial health may attenuate asthmatic features. METHODS We investigated the effects of passive sensitisation on IL-5, NF-κB, HDAC-2, ACh, and ChAT in human bronchial epithelial cells (HBEpCs) and the effects of fluticasone furoate (FF) and umeclidinium (UME) alone and in combination on these responses. RESULTS IL-5 and NF-κB levels were increased, and that of HDAC-2 reduced in sensitised HEBpCs. Pretreatment with FF reversed the effects of passive sensitisation by concentration-dependent reduction of IL-5, resulting in decreased NF-κB levels and restored HDAC-2 activity. Addition of UME enhanced these effects. Sensitized HEBpCs also exhibited higher ACh and ChAT levels. Pretreatment with UME significantly reduced ACh levels, and addition of FF caused a further small reduction. CONCLUSION This study confirmed that passive sensitisation of AECs results in an inflammatory response with increased levels of IL-5 and NF-κB, reduced levels of HDAC-2, and higher levels of ACh and ChAT compared to normal cells. Combining FF and UME was found to be more effective in reducing IL-5, NF-κB, and ACh and restoring HDAC-2 compared to the individual components. This finding supports adding a LAMA to established ICS/LABA treatment in asthma and suggests the possibility of using an ICS/LAMA combination when needed.
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Affiliation(s)
- Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
| | - Barbara Rinaldi
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Cecilia Calabrese
- Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Carmela Belardo
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Luigino Calzetta
- Respiratory Disease and Lung Function Unit, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Mario Cazzola
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy.
| | - Clive Page
- Pulmonary Pharmacology Unit, Institute of Pharmaceutical Science, King's College, London, UK
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3
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Arslan B, Çetin GP, Yilmaz İ. The Role of Long-Acting Antimuscarinic Agents in the Treatment of Asthma. J Aerosol Med Pulm Drug Deliv 2023; 36:189-209. [PMID: 37428619 DOI: 10.1089/jamp.2022.0059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023] Open
Abstract
The journey of using anticholinergics in the treatment of asthma started with anticholinergic-containing plants such as Datura stramonium and Atropa belladonna, followed by ipratropium bromide and continued with tiotropium, glycopyrronium, and umeclidinium. Although antimuscarinics were used in the maintenance treatment of asthma over a century ago, after a long time (since 2014), it has been recommended to be used as an add-on long-acting antimuscarinic agent (LAMA) therapy in the maintenance treatment of asthma. The airway tone controlled by the vagus nerve is increased in asthma. Allergens, toxins, or viruses cause airway inflammation and inflammation-related epithelial damage, increased sensory nerve stimulation, ganglionic and postganglionic acetylcholine (ACh) release by inflammatory mediators, intensification of ACh signaling at M1 and M3 muscarinic ACh receptors (mAChRs), and dysfunction of M2 mAChR. Optimal anticholinergic drug for asthma should effectively block M3 and M1 receptors, but have minimal effect on M2 receptors. Tiotropium, umeclidinium, and glycopyrronium are anticholinergic agents with this feature. Tiotropium has been used in a separate inhaler as an add-on treatment to inhaled corticosteroid (ICS)/long-acting β2-agonist (LABA), and glycopyrronium and umeclidinium have been used in a single inhaler as a combination of ICS/LABA/LAMA in asthma in recent years. Guidelines recommend this regimen as an optimization step for patients with severe asthma before initiating any biologic or systemic corticosteroid therapy. In this review, the history of antimuscarinic agents, their effectiveness and safety in line with randomized controlled trials, and real-life studies in asthma treatment will be discussed according to the current data.
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Affiliation(s)
- Bahar Arslan
- Division of Immunology and Allergy, Department of Chest Diseases, Erciyes University School of Medicine, Kayseri, Turkey
| | - Gülden Paçacı Çetin
- Division of Immunology and Allergy, Department of Chest Diseases, Erciyes University School of Medicine, Kayseri, Turkey
| | - İnsu Yilmaz
- Division of Immunology and Allergy, Department of Chest Diseases, Erciyes University School of Medicine, Kayseri, Turkey
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4
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Beri P, Plunkett C, Barbara J, Shih CC, Barnes SW, Ross O, Choconta P, Trinh T, Gomez D, Litvin B, Walker J, Qiu M, Hammack S, Toyama EQ. A high-throughput 3D cantilever array to model airway smooth muscle hypercontractility in asthma. APL Bioeng 2023; 7:026104. [PMID: 37206658 PMCID: PMC10191677 DOI: 10.1063/5.0132516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 04/11/2023] [Indexed: 05/21/2023] Open
Abstract
Asthma is often characterized by tissue-level mechanical phenotypes that include remodeling of the airway and an increase in airway tightening, driven by the underlying smooth muscle. Existing therapies only provide symptom relief and do not improve the baseline narrowing of the airway or halt progression of the disease. To investigate such targeted therapeutics, there is a need for models that can recapitulate the 3D environment present in this tissue, provide phenotypic readouts of contractility, and be easily integrated into existing assay plate designs and laboratory automation used in drug discovery campaigns. To address this, we have developed DEFLCT, a high-throughput plate insert that can be paired with standard labware to easily generate high quantities of microscale tissues in vitro for screening applications. Using this platform, we exposed primary human airway smooth muscle cell-derived microtissues to a panel of six inflammatory cytokines present in the asthmatic niche, identifying TGF-β1 and IL-13 as inducers of a hypercontractile phenotype. RNAseq analysis further demonstrated enrichment of contractile and remodeling-relevant pathways in TGF-β1 and IL-13 treated tissues as well as pathways generally associated with asthma. Screening of 78 kinase inhibitors on TGF-β1 treated tissues suggests that inhibition of protein kinase C and mTOR/Akt signaling can prevent this hypercontractile phenotype from emerging, while direct inhibition of myosin light chain kinase does not. Taken together, these data establish a disease-relevant 3D tissue model for the asthmatic airway, which combines niche specific inflammatory cues and complex mechanical readouts that can be utilized in drug discovery efforts.
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Affiliation(s)
- Pranjali Beri
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | | | - Joshua Barbara
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Chien-Cheng Shih
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - S. Whitney Barnes
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Olivia Ross
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Paula Choconta
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Ton Trinh
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Datzael Gomez
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Bella Litvin
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - John Walker
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Minhua Qiu
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Scott Hammack
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
| | - Erin Quan Toyama
- Novartis Institutes for Biomedical Research, San Diego, California 92121, USA
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Cropper KJ, Davis BE, Cockcroft DW. Effect of daily tiotropium on allergen-induced early asthmatic responses and airway inflammation. Ann Allergy Asthma Immunol 2022; 129:113-115. [PMID: 35395397 DOI: 10.1016/j.anai.2022.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Kayla J Cropper
- Department of Physiology, College of Medicine, University of Saskatchewan, Saskatchewan, Canada
| | - Beth E Davis
- Division of Respirology, Critical Care, and Sleep Medicine, Department of Medicine, University of Saskatchewan, Saskatchewan, Canada.
| | - Donald W Cockcroft
- Department of Physiology, College of Medicine, University of Saskatchewan, Saskatchewan, Canada; Division of Respirology, Critical Care, and Sleep Medicine, Department of Medicine, University of Saskatchewan, Saskatchewan, Canada
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Cazzola M, Braido F, Calzetta L, Matera MG, Piraino A, Rogliani P, Scichilone N. The 5T approach in asthma: Triple Therapy Targeting Treatable Traits. Respir Med 2022; 200:106915. [PMID: 35753188 DOI: 10.1016/j.rmed.2022.106915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/27/2022] [Accepted: 06/06/2022] [Indexed: 11/19/2022]
Abstract
Using a therapeutic strategy that is free from traditional diagnostic labels and based on the identification of "treatable traits" (TTs), which are influential in clinical presentations in each patient, might overcome the difficulties in identifying and validating asthma phenotypes and endotypes. Growing evidence is documenting the importance of using the triple therapy with ICS, LABA, and LAMAs in a single inhaler (SITT) in cases of asthma not controlled by ICS/LABA and in the prevention of exacerbations. The identification of TTs may overcome the possibility of using SITT without considering the specific needs of the patient. In effect, it allows a treatment strategy that is closer to the precision strategy now widely advocated for the management of patients with asthma. There are different TTs in asthma that may benefit from treatment with SITT, regardless of guideline recommendations. The airflow limitation and small airway dysfunction are key TTs that are present in different phenotypes/endotypes, do not depend on the degree of T2 inflammation, and respond better than other treatments to SITT. We suggest that the 5T (Triple Therapy Targeting Treatable Traits) approach should be applied to the full spectrum of asthma, not just severe asthma, and, consequently, SITT should begin earlier than currently recommended.
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Affiliation(s)
- Mario Cazzola
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy.
| | - Fulvio Braido
- Department of Allergy and Respiratory Diseases, University of Genoa, Genoa, Italy
| | - Luigino Calzetta
- Unit of Respiratory Diseases and Lung Function, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Alessio Piraino
- Respiratory Area, Medical Affairs, Chiesi Italia, Parma, Italy
| | - Paola Rogliani
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Nicola Scichilone
- Division of Respiratory Diseases, Department of Health Promotion Sciences, Maternal and Infant Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, Palermo, Italy
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Calzetta L, Pistocchini E, Ritondo BL, Cavalli F, Camardelli F, Rogliani P. Muscarinic receptor antagonists and airway inflammation: A systematic review on pharmacological models. Heliyon 2022; 8:e09760. [PMID: 35785239 PMCID: PMC9240991 DOI: 10.1016/j.heliyon.2022.e09760] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/18/2022] [Accepted: 06/17/2022] [Indexed: 12/05/2022] Open
Abstract
Airway inflammation is crucial in the pathogenesis of many respiratory diseases, including chronic obstructive pulmonary disease (COPD) and asthma. Current evidence supports the beneficial impact of muscarinic receptor antagonists against airway inflammation from bench-to-bedside. Considering the numerous sampling approaches and the ethical implications required to study inflammation in vivo in patients, the use of pre-clinical models is inevitable. Starting from our recently published systematic review concerning the impact of muscarinic antagonists, we have systematically assessed the current pharmacological models of airway inflammation and provided an overview on the advances in in vitro and ex vivo approaches. The purpose of in vitro models is to recapitulate selected pathophysiological parameters or processes that are crucial to the development of new drugs within a controlled environment. Nevertheless, immortalized cell lines or primary airway cells present major limitations, including the inability to fully replicate the conditions of the corresponding cell types within a whole organism. Induced animal models are extensively used in research in the attempt to replicate a respiratory condition reflective of a human pathological state, although considering animal models with spontaneously occurring respiratory diseases may be more appropriate since most of the clinical features are accompanied by lung pathology resembling that of the human condition. In recent years, three-dimensional organoids have become an alternative to animal experiments, also because animal models are unable to fully mimic the complexity of human pulmonary diseases. Ex vivo studies performed on human isolated airways have a superior translational value compared to in vitro and animal models, as they retain the morphology and the microenvironment of the lung in vivo. In the foreseeable future, greater effort should be undertaken to rely on more physiologically relevant models, that provide translational value into clinic and have a direct impact on patient outcomes.
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Affiliation(s)
- Luigino Calzetta
- Department of Medicine and Surgery, Respiratory Disease and Lung Function Unit, University of Parma, Parma, Italy
- Corresponding author.
| | - Elena Pistocchini
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Beatrice Ludovica Ritondo
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Francesco Cavalli
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Francesca Camardelli
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Paola Rogliani
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
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8
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Cazzola M, Rogliani P, Naviglio S, Calzetta L, Matera MG. An update on the currently available and emerging synthetic pharmacotherapy for uncontrolled asthma. Expert Opin Pharmacother 2022; 23:1205-1216. [PMID: 35621331 DOI: 10.1080/14656566.2022.2083955] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION : The treatment of uncontrolled asthma has improved because of triple therapy that includes a long-acting muscarinic antagonist (LAMA) and biological drugs, but several patients are resistant to corticosteroids and/or cannot achieve adequate asthma control using such therapies. AREAS COVERED : Herein, the authors review the current and emerging synthetic pharmacotherapy for uncontrolled asthma to overcome obstacles and limitations of biological therapies. The authors also provide their expert perspectives and opinion on the treatment of uncontrolled asthma. EXPERT OPINION : LAMAs should be added to inhaled corticosteroid/long-acting β2-agonist combinations much earlier than currently recommended by the Global Initiative for Asthma strategy because they can influence the course of small airways disease, reducing lung hyperinflation and improving asthma control. Biological therapies are a major advance in the treatment of severe asthma, but their use is still very limited for several reasons. An alternative to overcome the use of biological therapies is to synthesise compounds that target inflammation-signalling pathways. Several pathways have been identified as potential targets to design either therapeutic or prophylactic drugs against asthma. Some new compounds have already been tested in humans, but results have often been disappointing probably because existing phenotypic and endotypic variants may unpredictably limit the therapeutic value of blocking a specific pathway in most asthmatics, although there may be a substantial benefit for a subgroup of patients.
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Affiliation(s)
- Mario Cazzola
- Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Paola Rogliani
- Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Silvio Naviglio
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
| | - Luigino Calzetta
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Maria Gabriella Matera
- Department of Experimental Medicine, University of Campania Luigi Vanvitelli, Naples, Italy
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Muiser S, Gosens R, van den Berge M, Kerstjens HAM. Understanding the role of long-acting muscarinic antagonists in asthma treatment. Ann Allergy Asthma Immunol 2022; 128:352-360. [PMID: 35074516 DOI: 10.1016/j.anai.2021.12.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/24/2021] [Accepted: 12/07/2021] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Long-acting muscarinic antagonists (LAMAs) have been used in the treatment of obstructive pulmonary diseases for years. Long-acting muscarinic antagonists were previously mainly used as bronchodilators in chronic obstructive pulmonary disease, but the use of LAMAs in the treatment of asthma has gained great interest. There is now ample evidence of the efficacy and safety of LAMAs as add-on therapy to inhaled corticosteroid (ICS) plus long-acting β2-agonist (LABA) combinations in patients with moderate to severe uncontrolled asthma. Long-acting muscarinic antagonists have subsequently been included in asthma guidelines. This review summarizes the scientific evidence on the use of LAMAs in asthma and aims to provide a better understanding of the role of LAMAs in the asthma treatment care algorithm and the current gaps in our knowledge. DATA SOURCES PubMed review using the following words: long-acting muscarinic antagonists, asthma, muscarinic receptors, tiotropium, glycopyrronium, umeclidinium. STUDY SELECTIONS This review focused on the key trials that led to the inclusion of LAMAs in asthma guidelines. In addition, we highlighted a number of studies with other study designs and populations. RESULTS We identified 6 major studies that led to inclusion in asthma guidelines and 3 studies with other study designs and populations. CONCLUSION Long-acting muscarinic antagonists add-on therapy to ICS-LABA improves lung function, reduces exacerbations, and modestly improves asthma control in patients with moderate to severe asthma who are uncontrolled despite the use of ICS-LABA. Long-acting muscarinic antagonists are effective in all asthma phenotypes and endotypes.
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Affiliation(s)
- Susan Muiser
- Department of Pulmonology and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Reinoud Gosens
- Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; Department of Molecular Pharmacology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Maarten van den Berge
- Department of Pulmonology and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Huib A M Kerstjens
- Department of Pulmonology and Tuberculosis, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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Papi A, Kostikas K, Nikolaev I, Kottakis I. Indacaterol acetate/glycopyrronium bromide/mometasone furoate: a combination therapy for asthma. CURRENT RESPIRATORY MEDICINE REVIEWS 2022. [DOI: 10.2174/1573398x18666220217151845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
Despite the wide range of available therapies, asthma remains uncontrolled in 40–65% of patients for a number of different reasons. Treatment with an inhaled corticosteroid (ICS) is recommended in the Global Initiative for Asthma 2021 report for patients across all asthma severities, with treatment options combining an ICS with a long-acting β2-agonist (LABA) or a LABA and a long-acting muscarinic antagonist (LAMA), depending on disease severity. Based on this, the availability of single inhaler fixed-dose ICS/LABA/LAMA combination is a major need in asthma management. Indacaterol acetate/glycopyrronium bromide/mometasone furoate has been developed as a once-daily inhaled asthma treatment that combines an ICS (mometasone furoate), a LABA (indacaterol acetate) and a LAMA (glycopyrronium bromide) in a formulation delivered using the dry powder inhaler Breezhaler®, for patients with uncontrolled asthma on medium- or high-dose ICS/LABA. This article provides an overview of the different and complementary mechanisms of action, and the clinical effectiveness of the monocomponents of the indacaterol/glycopyrronium/mometasone furoate fixed combination, and highlights the benefits of using the three agents in combination in patients with moderate and severe asthma.
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Affiliation(s)
- Alberto Papi
- Respiratory Medicine, University of Ferrara, Italy
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11
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Santamaria F, Ziello C, Lorello P, Bouchè C, Borrelli M. Update on Long-Acting Anticholinergics in Children and Adolescents With Difficult and Severe Asthma. Front Pediatr 2022; 10:896865. [PMID: 35928684 PMCID: PMC9343620 DOI: 10.3389/fped.2022.896865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/22/2022] [Indexed: 11/13/2022] Open
Abstract
Tiotropium bromide is the only long-acting muscarinic antagonist (LAMA) approved for treatment of patients aged ≥6 years old who have symptoms of uncontrolled asthma. Results from several clinical trials have found that once-daily inhaled tiotropium bromide is safe and efficacious in 6- to 17-year-olds with symptomatic asthma despite treatment with inhaled corticosteroids, with or without other medications. There are still few available studies investigating the impact of tiotropium bromide treatment in preschool children with suboptimal control. In this narrative review, we summarize the pharmacological effects of the LAMA tiotropium bromide, provide an overview about current asthma studies at different pediatric ages, and describe future research needs.
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Affiliation(s)
- Francesca Santamaria
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
| | - Carla Ziello
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
| | - Paola Lorello
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
| | - Cristina Bouchè
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
| | - Melissa Borrelli
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy
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12
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Cazzola M, Calzetta L, Matera MG. Long-acting muscarinic antagonists and small airways in asthma: Which link? Allergy 2021; 76:1990-2001. [PMID: 33559139 DOI: 10.1111/all.14766] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/29/2021] [Accepted: 02/03/2021] [Indexed: 12/14/2022]
Abstract
Involvement of small airways, those of <2 mm in internal diameter, is present in all stages of asthma and contributes substantially to its pathophysiologic expression. Therefore, small airways are a potential target to achieve optimal asthma control. Airway tone, which is increased in asthma, is mainly controlled by the vagus nerve that releases acetylcholine (ACh) and activates muscarinic ACh receptors (mAChRs) post-synaptically on airway smooth muscle (ASM). In small airways, M3 mAChRs are expressed, but there is no vagal innervation. Non-neuronal ACh released from the epithelial cells that may express choline acetyltransferase in response to inflammatory stimuli, as well as from other structural cells in the airways, including fibroblasts and mast cells, can activate mAChRs. By antagonizing M3 mAChR, the contraction of the ASM is prevented and, potentially, local inflammation can be reduced and the progression of remodeling may be averted. In fact, ACh also contributes to inflammation and remodeling of the airways and regulates the growth of ASM. Several experimental studies have demonstrated the potential benefit derived from the use of mAChR antagonists, mainly long-acting mAChR antagonists (LAMAs), on small airways in asthma. However, there are several confounding factors that may cause a wrong estimation of the relationship between LAMAs and small airways in asthma. Further studies are needed to differentiate broncholytic and anti-inflammatory effects of LAMAs and to better understand the interaction between LAMAs and corticosteroids, also in the context of a triple therapy that includes a β2 -AR agonist, at different levels of the bronchial tree.
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Affiliation(s)
- Mario Cazzola
- Department of Experimental Medicine University of Rome “Tor Vergata” Rome Italy
| | - Luigino Calzetta
- Respiratory Disease and Lung Function Unit Department of Medicine and Surgery University of Parma Parma Italy
| | - Maria Gabriella Matera
- Department of Experimental Medicine University of Campania “Luigi Vanvitelli” Naples Italy
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Pavón-Romero GF, Serrano-Pérez NH, García-Sánchez L, Ramírez-Jiménez F, Terán LM. Neuroimmune Pathophysiology in Asthma. Front Cell Dev Biol 2021; 9:663535. [PMID: 34055794 PMCID: PMC8155297 DOI: 10.3389/fcell.2021.663535] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 04/15/2021] [Indexed: 12/26/2022] Open
Abstract
Asthma is a chronic inflammation of lower airway disease, characterized by bronchial hyperresponsiveness. Type I hypersensitivity underlies all atopic diseases including allergic asthma. However, the role of neurotransmitters (NT) and neuropeptides (NP) in this disease has been less explored in comparison with inflammatory mechanisms. Indeed, the airway epithelium contains pulmonary neuroendocrine cells filled with neurotransmitters (serotonin and GABA) and neuropeptides (substance P[SP], neurokinin A [NKA], vasoactive intestinal peptide [VIP], Calcitonin-gene related peptide [CGRP], and orphanins-[N/OFQ]), which are released after allergen exposure. Likewise, the autonomic airway fibers produce acetylcholine (ACh) and the neuropeptide Y(NPY). These NT/NP differ in their effects; SP, NKA, and serotonin exert pro-inflammatory effects, whereas VIP, N/OFQ, and GABA show anti-inflammatory activity. However, CGPR and ACh have dual effects. For example, the ACh-M3 axis induces goblet cell metaplasia, extracellular matrix deposition, and bronchoconstriction; the CGRP-RAMP1 axis enhances Th2 and Th9 responses; and the SP-NK1R axis promotes the synthesis of chemokines in eosinophils, mast cells, and neutrophils. In contrast, the ACh-α7nAChR axis in ILC2 diminishes the synthesis of TNF-α, IL-1, and IL-6, attenuating lung inflammation whereas, VIP-VPAC1, N/OFQ-NOP axes cause bronchodilation and anti-inflammatory effects. Some NT/NP as 5-HT and NKA could be used as biomarkers to monitor asthma patients. In fact, the asthma treatment based on inhaled corticosteroids and anticholinergics blocks M3 and TRPV1 receptors. Moreover, the administration of experimental agents such as NK1R/NK2R antagonists and exogenous VIP decrease inflammatory mediators, suggesting that regulating the effects of NT/NP represents a potential novel approach for the treatment of asthma.
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Affiliation(s)
| | | | | | | | - Luis M. Terán
- Department of Immunogenetics and Allergy, Instituto Nacional Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
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14
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Calzetta L, Coppola A, Ritondo BL, Matino M, Chetta A, Rogliani P. The Impact of Muscarinic Receptor Antagonists on Airway Inflammation: A Systematic Review. Int J Chron Obstruct Pulmon Dis 2021; 16:257-279. [PMID: 33603353 PMCID: PMC7886086 DOI: 10.2147/copd.s285867] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/30/2020] [Indexed: 12/16/2022] Open
Abstract
Long-acting muscarinic receptor antagonists (LAMAs) are the cornerstone for the treatment of chronic obstructive pulmonary disease (COPD); furthermore, tiotropium is approved as add-on therapy in severe asthmatic patients. Accumulating evidence suggests that LAMAs may modulate airway contractility and airway hyperresponsiveness not only by blocking muscarinic acetylcholine receptors (mAchRs) expressed on airway smooth muscle but also via anti-inflammatory mechanisms by blocking mAchRs expressed on inflammatory cells, submucosal glands, and epithelial cells. The aim of this systematic review, performed according to the PRISMA-P guidelines, was to provide a synthesis of the literature on the anti-inflammatory impact of muscarinic receptor antagonists in the airways. Most of the current evidence originates from studies on tiotropium, that demonstrated a reduction in synthesis and release of cytokines and chemokines, as well as the number of total and differential inflammatory cells, induced by different pro-inflammatory stimuli. Conversely, few data are currently available for aclidinium and glycopyrronium, whereas no studies on the potential anti-inflammatory effect of umeclidinium have been reported. Overall, a large body of evidence supports the beneficial impact of tiotropium against airway inflammation. Further well-designed randomized controlled trials are needed to better elucidate the anti-inflammatory mechanisms leading to the protective effect of LAMAs against exacerbations via identifying suitable biomarkers.
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Affiliation(s)
- Luigino Calzetta
- Department of Medicine and Surgery, Respiratory Disease and Lung Function Unit, University of Parma, Parma, Italy
| | - Angelo Coppola
- Division of Respiratory Medicine, University Hospital "Policlinico Tor Vergata", Rome, Italy
| | - Beatrice Ludovica Ritondo
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Matteo Matino
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Alfredo Chetta
- Department of Medicine and Surgery, Respiratory Disease and Lung Function Unit, University of Parma, Parma, Italy
| | - Paola Rogliani
- Division of Respiratory Medicine, University Hospital "Policlinico Tor Vergata", Rome, Italy.,Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy
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15
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van den Berg MPM, Nijboer-Brinksma S, Bos IST, van den Berge M, Lamb D, van Faassen M, Kema IP, Gosens R, Kistemaker LEM. The novel TRPA1 antagonist BI01305834 inhibits ovalbumin-induced bronchoconstriction in guinea pigs. Respir Res 2021; 22:48. [PMID: 33557843 PMCID: PMC7871391 DOI: 10.1186/s12931-021-01638-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/25/2021] [Indexed: 01/05/2023] Open
Abstract
Background Asthma is a chronic respiratory disease in which the nervous system plays a central role. Sensory nerve activation, amongst others via Transient Receptor Potential Ankyrin 1 (TRPA1) channels, contributes to asthma characteristics including cough, bronchoconstriction, mucus secretion, airway hyperresponsiveness (AHR) and inflammation. In the current study, we evaluated the efficacy of the novel TRPA1 antagonist BI01305834 against AHR and inflammation in guinea-pig models of asthma. Methods First, a pilot study was performed in a guinea-pig model of allergic asthma to find the optimal dose of BI01305834. Next, the effect of BI01305834 on (1) AHR to inhaled histamine after the early and late asthmatic reaction (EAR and LAR), (2) magnitude of EAR and LAR and (3) airway inflammation was assessed. Precision-cut lung slices and trachea strips were used to investigate the bronchoprotective and bronchodilating-effect of BI01305834. Statistical evaluation of differences of in vivo data was performed using a Mann–Whitney U test or One-way nonparametric Kruskal–Wallis ANOVA, for ex vivo data One- or Two-way ANOVA was used, all with Dunnett’s post-hoc test where appropriate. Results A dose of 1 mg/kg BI01305834 was selected based on AHR and exposure data in blood samples from the pilot study. In the subsequent study, 1 mg/kg BI01305834 inhibited AHR after the EAR, and the development of EAR and LAR elicited by ovalbumin in ovalbumin-sensitized guinea pigs. BI01305834 did not inhibit allergen-induced total and differential cells in the lavage fluid and interleukin-13 gene expression in lung homogenates. Furthermore, BI01305834 was able to inhibit allergen and histamine-induced airway narrowing in guinea-pig lung slices, without affecting histamine release, and reverse allergen-induced bronchoconstriction in guinea-pig trachea strips. Conclusions TRPA1 inhibition protects against AHR and the EAR and LAR in vivo and allergen and histamine-induced airway narrowing ex vivo, and reverses allergen-induced bronchoconstriction independently of inflammation. This effect was partially dependent upon histamine, suggesting a neuronal and possible non-neuronal role for TRPA1 in allergen-induced bronchoconstriction.
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Affiliation(s)
- Mariska P M van den Berg
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Susan Nijboer-Brinksma
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - I Sophie T Bos
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Maarten van den Berge
- Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Pulmonary Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - David Lamb
- Immunology + Respiratory, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Martijn van Faassen
- Department of Laboratory Medicine, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Ido P Kema
- Department of Laboratory Medicine, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Loes E M Kistemaker
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands. .,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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16
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Rogliani P, Ritondo BL, Cavalli F, Giorgino F, Girolami A, Pane G, Pezzuto G, Zerillo B, Puxeddu E, Ora J. Synergy across the drugs approved for the treatment of asthma. Minerva Med 2021; 113:17-30. [PMID: 33496162 DOI: 10.23736/s0026-4806.21.07266-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Inhaled corticosteroids are the cornerstone for the treatment of stable asthma, however, when disease severity increases, escalating therapy to combinations of drugs acting on distinct signalling pathways is required. It is advantageous to providing evidence of a synergistic interaction across drug combinations, as it allows optimizing bronchodilation while lowering the dose of single agents. In the respiratory pharmacology field, two statistical models are accepted as gold standard to characterize drug interactions, namely the Bliss Independence criterion and the Unified Theory. In this review, pharmacological interactions across drugs approved for the treatment of asthma have been systematically assessed. EVIDENCE ACQUISITION A comprehensive literature search was performed in MEDLINE for studies that used a validated pharmacological method for assessing drug interaction. The results were extracted and reported via qualitative synthesis. EVIDENCE SYNTHESIS Overall, 45 studies were identified from literature search and 5 met the inclusion criteria. Current evidence coming from ex vivo models of asthma indicates that drug combinations modulating bronchial contractility induce a synergistic bronchorelaxant effect. In murine models of lung inflammation, the combination between inhaled corticosteroids and β2- adrenoceptor agonists synergistically improve lung function and the inflammatory profile. CONCLUSIONS There is still limited knowledge regarding the mechanistic basis underlying pharmacological interactions across drugs approved for asthma. The synergism elicited by combined agents is an effect of class. Specifically designed clinical trials are needed to confirm the results coming from preclinical evidence, but also to establish the minimal dose for combined agents to induce a synergistic interaction and maximize bronchodilation.
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Affiliation(s)
- Paola Rogliani
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy - .,Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy -
| | - Beatrice L Ritondo
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Francesco Cavalli
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Federica Giorgino
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Andrea Girolami
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Gloria Pane
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Gabriella Pezzuto
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Bartolomeo Zerillo
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Ermanno Puxeddu
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy.,Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
| | - Josuel Ora
- Division of Respiratory Medicine, University Hospital Policlinico Tor Vergata, Rome, Italy
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17
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Matera MG, Page CP, Calzetta L, Rogliani P, Cazzola M. Pharmacology and Therapeutics of Bronchodilators Revisited. Pharmacol Rev 2020; 72:218-252. [PMID: 31848208 DOI: 10.1124/pr.119.018150] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Bronchodilators remain the cornerstone of the treatment of airway disorders such as asthma and chronic obstructive pulmonary disease (COPD). There is therefore considerable interest in understanding how to optimize the use of our existing classes of bronchodilator and in identifying novel classes of bronchodilator drugs. However, new classes of bronchodilator have proved challenging to develop because many of these have no better efficacy than existing classes of bronchodilator and often have unacceptable safety profiles. Recent research has shown that optimization of bronchodilation occurs when both arms of the autonomic nervous system are affected through antagonism of muscarinic receptors to reduce the influence of parasympathetic innervation of the lung and through stimulation of β 2-adrenoceptors (β 2-ARs) on airway smooth muscle with β 2-AR-selective agonists to mimic the sympathetic influence on the lung. This is currently achieved by use of fixed-dose combinations of inhaled long-acting β 2-adrenoceptor agonists (LABAs) and long-acting muscarinic acetylcholine receptor antagonists (LAMAs). Due to the distinct mechanisms of action of LAMAs and LABAs, the additive/synergistic effects of using these drug classes together has been extensively investigated. More recently, so-called "triple inhalers" containing fixed-dose combinations of both classes of bronchodilator (dual bronchodilation) and an inhaled corticosteroid in the same inhaler have been developed. Furthermore, a number of so-called "bifunctional drugs" having two different primary pharmacological actions in the same molecule are under development. This review discusses recent advancements in knowledge on bronchodilators and bifunctional drugs for the treatment of asthma and COPD. SIGNIFICANCE STATEMENT: Since our last review in 2012, there has been considerable research to identify novel classes of bronchodilator drugs, to further understand how to optimize the use of the existing classes of bronchodilator, and to better understand the role of bifunctional drugs in the treatment of asthma and chronic obstructive pulmonary disease.
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Affiliation(s)
- M G Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy (M.G.M.); Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, United Kingdom (C.P.P.); and Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata," Rome, Italy (L.C., P.R., M.C.)
| | - C P Page
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy (M.G.M.); Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, United Kingdom (C.P.P.); and Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata," Rome, Italy (L.C., P.R., M.C.)
| | - L Calzetta
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy (M.G.M.); Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, United Kingdom (C.P.P.); and Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata," Rome, Italy (L.C., P.R., M.C.)
| | - P Rogliani
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy (M.G.M.); Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, United Kingdom (C.P.P.); and Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata," Rome, Italy (L.C., P.R., M.C.)
| | - M Cazzola
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli," Naples, Italy (M.G.M.); Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, United Kingdom (C.P.P.); and Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata," Rome, Italy (L.C., P.R., M.C.)
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18
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Juergens LJ, Worth H, Juergens UR. New Perspectives for Mucolytic, Anti-inflammatory and Adjunctive Therapy with 1,8-Cineole in COPD and Asthma: Review on the New Therapeutic Approach. Adv Ther 2020; 37:1737-1753. [PMID: 32200535 PMCID: PMC7467491 DOI: 10.1007/s12325-020-01279-0] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Indexed: 12/30/2022]
Abstract
The mucolytic monoterpene 1,8-cineole (eucalyptol), the major constituent of eucalyptus species, is well known for its anti-inflammatory, antioxidant, bronchodilatory, antiviral and antimicrobial effects. The main protective antiviral, anti-inflammatory and mucolytic mechanisms of 1,8-cineole are the induction of interferon regulatory factor 3 (IRF3), the control of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) along with decreasing mucin genes (MUC2, MUC19). In normal human monocytes direct inhibition was shown of reactive oxygen species (ROS)-mediated mucus hypersecretion and of steroid resistence inducing superoxides (O2·-) and pro-inflammatory hydrogen peroxides (H2O2) with partial control of superoxide dismutase (SOD), which enzymatically metabolizes O2·- into H2O2. By inhibition of NF-κB, 1,8-cineole, at relevant plasma concentrations (1.5 µg/ml), strongly and significantly inhibited in normal human monocyte lipopolysaccharide (LPS)-stimulated cytokines relevant for exacerbation (tumour necrosis factor alpha (TNFα), interleukin (IL)-1β and systemic inflammation (IL-6, IL-8). Infectious agents and environmental noxa have access via TNFα and IL-1β to the immune system with induction of bronchitis complaints and exacerbations of chronic obstructive pulmonary disease (COPD), asthma and asthma-COPD overlap. In lymphocytes from healthy human donors 1,8-cineole inhibited TNFα, IL-1β, IL-4 and IL-5 and demonstrated for the first time control of Th1/2-type inflammation. 1,8-Cineole at relevant plasma levels increased additively in vitro the efficacy of inhaled guideline medications of budesonide (BUD) and budesonide + formoterol ,and preliminary data also showed increased efficacy of long-acting muscarinic receptor antagonist (LAMA)-mediated cytokine inhibition in vitro. On the basis of the preclinical data, earlier randomised controlled studies with adjunctive therapy of 1,8-cineole (3 × 200 mg/day) for 6 months showed improvement of uncontrolled asthma by significant improvement of lung function, nocturnal asthma and quality of life scores and in COPD decrease of exacerbations (- 38.5%) (during wintertime). This review reports an update with reference to the literature of 1,8-cineole, also as adjunctive therapy, as a therapeutic agent for the protection and control of inflammatory airway diseases.
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Affiliation(s)
- Lisa Joy Juergens
- Medical University of Tübingen, Medical School, 72070 Tübingen, Germany
| | | | - Uwe R. Juergens
- Department of Pulmonary Rehabilitation, Asklepios Nordseeklinik Westerland, Norderstraße 81, 25980 Sylt, Germany
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19
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Dragunas G, Woest ME, Nijboer S, Bos ST, van Asselt J, de Groot AP, Vohlídalová E, Vermeulen CJ, Ditz B, Vonk JM, Koppelman GH, van den Berge M, Ten Hacken NHT, Timens W, Munhoz CD, Prakash YS, Gosens R, Kistemaker LEM. Cholinergic neuroplasticity in asthma driven by TrkB signaling. FASEB J 2020; 34:7703-7717. [PMID: 32277855 PMCID: PMC7302963 DOI: 10.1096/fj.202000170r] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 12/11/2022]
Abstract
Parasympathetic neurons in the airways control bronchomotor tone. Increased activity of cholinergic neurons are mediators of airway hyperresponsiveness (AHR) in asthma, however, mechanisms are not elucidated. We describe remodeling of the cholinergic neuronal network in asthmatic airways driven by brain‐derived neurotrophic factor (BDNF) and Tropomyosin receptor kinase B (TrkB). Human bronchial biopsies were stained for cholinergic marker vesicular acetylcholine transporter (VAChT). Human lung gene expression and single nucleotide polymorphisms (SNP) in neuroplasticity‐related genes were compared between asthma and healthy patients. Wild‐type (WT) and mutated TrkB knock‐in mice (Ntrk2tm1Ddg/J) with impaired BDNF signaling were chronically exposed to ovalbumin (OVA). Neuronal VAChT staining and airway narrowing in response to electrical field stimulation in precision cut lung slices (PCLS) were assessed. Increased cholinergic fibers in asthmatic airway biopsies was found, paralleled by increased TrkB gene expression in human lung tissue, and SNPs in the NTRK2 [TrkB] and BDNF genes linked to asthma. Chronic allergen exposure in mice resulted in increased density of cholinergic nerves, which was prevented by inhibiting TrkB. Increased nerve density resulted in AHR in vivo and in increased nerve‐dependent airway reactivity in lung slices mediated via TrkB. These findings show cholinergic neuroplasticity in asthma driven by TrkB signaling and suggest that the BDNF‐TrkB pathway may be a potential target.
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Affiliation(s)
- Guilherme Dragunas
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pharmacology, University of São Paulo, São Paulo, Brazil
| | - Manon E Woest
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Susan Nijboer
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Sophie T Bos
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Janet van Asselt
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Anne P de Groot
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Eva Vohlídalová
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Corneel J Vermeulen
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pulmonary Diseases, UMCG, Groningen, the Netherlands
| | - Benedikt Ditz
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pulmonary Diseases, UMCG, Groningen, the Netherlands
| | - Judith M Vonk
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Epidemiology, UMCG, Groningen, the Netherlands
| | - Gerard H Koppelman
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pediatric Pulmonology and Pediatric Allergology, University Medical Center Groningen, University of Groningen, Beatrix Children's Hospital, Groningen, the Netherlands
| | - Maarten van den Berge
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pulmonary Diseases, UMCG, Groningen, the Netherlands
| | - Nick H T Ten Hacken
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pulmonary Diseases, UMCG, Groningen, the Netherlands
| | - Wim Timens
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Department of Pathology, UMCG, Groningen, the Netherlands
| | - Carolina D Munhoz
- Department of Pharmacology, University of São Paulo, São Paulo, Brazil
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Loes E M Kistemaker
- Department of Molecular Pharmacology, University of Groningen, Groningen, the Netherlands.,GRIAC Research Institute, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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20
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Abstract
Asthma is a heterogeneous inflammatory disease of the airways that is associated with airway hyperresponsiveness and airflow limitation. Although asthma was once simply categorized as atopic or nonatopic, emerging analyses over the last few decades have revealed a variety of asthma endotypes that are attributed to numerous pathophysiological mechanisms. The classification of asthma by endotype is primarily routed in different profiles of airway inflammation that contribute to bronchoconstriction. Many asthma therapeutics target G protein-coupled receptors (GPCRs), which either enhance bronchodilation or prevent bronchoconstriction. Short-acting and long-acting β 2-agonists are widely used bronchodilators that signal through the activation of the β 2-adrenergic receptor. Short-acting and long-acting antagonists of muscarinic acetylcholine receptors are used to reduce bronchoconstriction by blocking the action of acetylcholine. Leukotriene antagonists that block the signaling of cysteinyl leukotriene receptor 1 are used as an add-on therapy to reduce bronchoconstriction and inflammation induced by cysteinyl leukotrienes. A number of GPCR-targeting asthma drug candidates are also in different stages of development. Among them, antagonists of prostaglandin D2 receptor 2 have advanced into phase III clinical trials. Others, including antagonists of the adenosine A2B receptor and the histamine H4 receptor, are in early stages of clinical investigation. In the past decade, significant research advancements in pharmacology, cell biology, structural biology, and molecular physiology have greatly deepened our understanding of the therapeutic roles of GPCRs in asthma and drug action on these GPCRs. This review summarizes our current understanding of GPCR signaling and pharmacology in the context of asthma treatment. SIGNIFICANCE STATEMENT: Although current treatment methods for asthma are effective for a majority of asthma patients, there are still a large number of patients with poorly controlled asthma who may experience asthma exacerbations. This review summarizes current asthma treatment methods and our understanding of signaling and pharmacology of G protein-coupled receptors (GPCRs) in asthma therapy, and discusses controversies regarding the use of GPCR drugs and new opportunities in developing GPCR-targeting therapeutics for the treatment of asthma.
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Affiliation(s)
- Stacy Gelhaus Wendell
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (S.G.W., C.Z.); Bioinformatics Institute, Agency for Science, Technology, and Research, Singapore (H.F.); and Department of Biological Sciences, National University of Singapore, and Center for Computational Biology, DUKE-NUS Medical School, Singapore (H.F.)
| | - Hao Fan
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (S.G.W., C.Z.); Bioinformatics Institute, Agency for Science, Technology, and Research, Singapore (H.F.); and Department of Biological Sciences, National University of Singapore, and Center for Computational Biology, DUKE-NUS Medical School, Singapore (H.F.)
| | - Cheng Zhang
- Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (S.G.W., C.Z.); Bioinformatics Institute, Agency for Science, Technology, and Research, Singapore (H.F.); and Department of Biological Sciences, National University of Singapore, and Center for Computational Biology, DUKE-NUS Medical School, Singapore (H.F.)
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21
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Ingram JL. Give Me Some Room to Breathe! Can Targeting SPHK2 Reduce Airway Smooth Muscle Thickening in Asthma? Am J Respir Cell Mol Biol 2020; 62:1-2. [PMID: 31298926 PMCID: PMC6938127 DOI: 10.1165/rcmb.2019-0240ed] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Jennifer L Ingram
- Department of MedicineDepartment of Surgeryand
- Department of PathologyDuke University Medical CenterDurham, North Carolina
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23
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Effect of Tiotropium Bromide on Airway Inflammation and Programmed Cell Death 5 in a Mouse Model of Ovalbumin-Induced Allergic Asthma. Can Respir J 2019; 2019:6462171. [PMID: 31662808 PMCID: PMC6791200 DOI: 10.1155/2019/6462171] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/16/2019] [Accepted: 09/01/2019] [Indexed: 01/21/2023] Open
Abstract
Rationale We previously demonstrated increased expression of programmed cell death 5 (PDCD5) in asthmatic patients and ovalbumin-induced allergic asthma. International guidelines (GINA 2019) have included the use of tiotropium bromide for chronic treatment of the most severe and frequently exacerbated asthma in patients ≥6 years old, who do not have good response to inhaled corticosteroids. Objective To explore the role of tiotropium and its effect on PDCD5 level in a mouse model of chronic asthma. Methods We divided 12 female mice into 2 groups: untreated asthma (n = 6) and tiotropium-treated asthma (n = 6). The impact of tiotropium was assessed by histology of lung tissue and morphometry. Pulmonary function was tested by using pressure sensors. The number of cells in bronchoalveolar lavage fluid (BALF) was detected. Levels of PDCD5, active caspase-3, and muscarinic acetylcholine receptors M2 (ChRM2) and M3 (ChRM3) were examined. Results Tiotropium treatment significantly reduced airway inflammation and remodeling in asthmatic mice and intensified the lung function. PDCD5 level was reduced with tiotropium (p < 0.05). Moreover, active caspase-3 level was decreased with tiotropium (p < 0.001), and ChRM3 level was increased. Conclusions Tiotropium treatment may alleviate the pathological changes with asthma by regulating apoptosis.
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Cazzola M, Puxeddu E, Matera MG, Rogliani P. A potential role of triple therapy for asthma patients. Expert Rev Respir Med 2019; 13:1079-1085. [PMID: 31422716 DOI: 10.1080/17476348.2019.1657408] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Introduction: The use of LAMAs in asthma is now supported by pharmacological and clinical evidence, whereas the effectiveness of therapy with ICS/LABA/LAMA fixed dose combinations in patients with asthma still remains to be determined. Areas covered: The pharmacological rationale that explains why it is possible to use triple therapy in asthma and the results of clinical studies that have explored the effects of this therapy in asthmatics is critically examined. A systematic search was conducted on 10 August 2019, and included six electronic databases: EMBASE, MEDLINE, Scopus, The Cochrane Library, Web of Science, and Google Scholar. Expert opinion: The real role of single inhaler triple therapy in asthma will be demonstrated when the various trials that are currently ongoing or are scheduled will be completed. We believe that it is appropriate to treat with triple therapy asthmatic patients who have smoked and remain symptomatic or suffer from frequent exacerbations despite initial inhaler therapy with ICS/LABA. However, we must establish when to step up or mainly step down triple therapy especially in patients who are well controlled, and what will be the cost of these combinations in the management of asthma.
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Affiliation(s)
- Mario Cazzola
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy
| | - Ermanno Puxeddu
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy
| | - Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania "Luigi Vanvitelli" , Naples , Italy
| | - Paola Rogliani
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome "Tor Vergata" , Rome , Italy
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25
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Kistemaker LEM, Prakash YS. Airway Innervation and Plasticity in Asthma. Physiology (Bethesda) 2019; 34:283-298. [PMID: 31165683 PMCID: PMC6863372 DOI: 10.1152/physiol.00050.2018] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 03/20/2019] [Accepted: 03/21/2019] [Indexed: 12/22/2022] Open
Abstract
Airway nerves represent a mechanistically and therapeutically important aspect that requires better highlighting in the context of diseases such as asthma. Altered structure and function (plasticity) of afferent and efferent airway innervation can contribute to airway diseases. We describe established anatomy, current understanding of how plasticity occurs, and contributions of plasticity to asthma, focusing on target-derived growth factors (neurotrophins). Perspectives toward novel treatment strategies and future research are provided.
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Affiliation(s)
- L E M Kistemaker
- Department of Molecular Pharmacology, University of Groningen , Groningen , The Netherlands
- GRIAC Research Institute, University Medical Center Groningen, University of Groningen , Groningen , The Netherlands
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic , Rochester, Minnesota
- Department of Physiology and Biomedical Engineering, Mayo Clinic , Rochester, Minnesota
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26
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Induction of airway remodeling and persistent cough by repeated citric acid exposure in a guinea pig cough model. Respir Physiol Neurobiol 2019; 263:1-8. [PMID: 30738972 DOI: 10.1016/j.resp.2019.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 12/29/2018] [Accepted: 02/05/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND A previous study involving guinea pigs showed that repeated cough could increase peripheral airway smooth muscle area, which can also aggravate cough. The airway pathologic changes produced by prolonged cough are still unknown. OBJECTIVE To study the airway pathologic changes in prolonged cough models of guinea pigs. METHODS Guinea pigs were assigned to three treatment groups: citric acid inhalation (CA) alone, citric acid inhalation with codeine pretreatment (COD), or saline solution inhalation (SA). Animals were challenged with citric acid or saline solution three times weekly. The intervention period was 22 or 43 days. Animals were challenged with citric acid on the first and last days of exposure. Lung specimens were obtained for pathologic analysis 72 h after the last exposure. RESULTS Compared with the other two groups, the CA group had increased frequency of cough on both 22 and 43 days of exposure. Tracheal basement membrane (BM) thickness was increased after 43 days of exposure, correlating with the frequency of cough. The area of airway smooth muscles (ASM index) in small airways increased in the CA group after both 22 and 43 days of exposure, compared with the SA group. Compared with the COD group, the ASM index in small airways increased in the CA group after 22 days of exposure instead of 43 days of exposure. CONCLUSIONS An increase in peripheral smooth muscle area by repeated cough was confirmed. Moreover, this is the first study to show that tracheal BM thickness increased after prolonged exposure (43 days). Repeated cough may lead to airway remodeling, which was also associated with an increased frequency of cough.
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27
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He Y, Lou X, Jin Z, Yu L, Deng L, Wan H. Mahuang decoction mitigates airway inflammation and regulates IL-21/STAT3 signaling pathway in rat asthma model. JOURNAL OF ETHNOPHARMACOLOGY 2018; 224:373-380. [PMID: 29906536 DOI: 10.1016/j.jep.2018.06.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 06/10/2018] [Accepted: 06/11/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Nowadays, bronchial asthma is still a severe disease threatening human health, and it is incumbent upon us to seek effective therapeutic drugs. Mahuang decoction (MHD), a classic famous Chinese prescription, has been used for thousands of years to prevent phlegm from forming, stop coughing and relieve asthma, but the relevant mechanism has not been thoroughly clarified. This study aims to investigate the anti-airway inflammation effect of MHD and the possible molecular mechanism underlying IL21/STAT3 signaling pathway, so as to provide guidance for the treatment of MHD on bronchial asthma. MATERIALS AND METHODS Specific pathogen free SD rats were randomly divided into 6 groups: normal control group, model group, positive group (Compound methoxyphenamine), MHD-treated groups at doses of 10 ml/kg, 5 ml/kg and 2.5 ml/kg, 10 rats in each group. Except for the normal control group, rats in other groups were sensitized with ovalbumin via introperitoneal injection and challenged with ovalbumin inhalation to trigger asthma model. At 24 h after the last excitation, bronchoalveolar lavage fluid (BALF) of every rat was drawn and the number of inflammatory cells was analyzed using cell counting method. ELISA method was performed to determine the concentrations of TXB2, 6-keto-PGF1α, MMP-9, TIMP-1, IL-2, IL-4, IL-5 and TNF-α in rat serum. The protein expressions of IL-21, IL-21R, STAT3 and p-STAT3 in murine pulmonary tissues were assessed with western blotting analysis. RESULTS Compared with the control group, the airway wall and airway smooth muscle of murine pulmonary tissues significantly thickened and massive inflammatory cells infiltration occurred around the bronchus in the model group, and the cell counts of WBC and EOS in BALF were also apparently increased, which indicated the rat asthma model was successfully established. MHD or Compound methoxyphenamine not only alleviated the pulmonary inflammatory pathological damages, but also down- regulated the numbers of WBC and EOS in BALF. What's more, the levels of TXB2, MMP-9, TIMP-1, ILs-(2, 4, 5) and TNF-α in rat serum were lessened by the treatment of MHD. In western blotting analysis, treatment with 10 ml/kg or 5 ml/kg MHD markedly declined the increased protein expressions of IL-21, IL-21R, STAT3 and p-STAT3 in lung tissues of asthmatic rats to normal level. CONCLUSION MHD intervention demonstrated a strong inhibitory action on the secretion of inflammatory mediators as well as the inflammatory cell infiltration in pulmonary tissues of asthmatic rats, and also depressed the protein expressions of IL-21, IL-21R, STAT3 and p-STAT3 in pulmonary tissues. MHD effectively mitigates airway inflammation and regulates the IL-21/STAT3 signaling pathway in rat asthma model.
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Affiliation(s)
- Yu He
- Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Xiaohui Lou
- Dongyang Traditional Chinese Medicine Hospital, Jinhua 322100, China.
| | - Zhan Jin
- Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Li Yu
- Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Ling Deng
- Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Haitong Wan
- Zhejiang Chinese Medical University, Hangzhou 310053, China.
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28
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Gosens R, Gross N. The mode of action of anticholinergics in asthma. Eur Respir J 2018; 52:13993003.01247-2017. [PMID: 30115613 PMCID: PMC6340638 DOI: 10.1183/13993003.01247-2017] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 08/09/2018] [Indexed: 01/25/2023]
Abstract
Acetylcholine binds to muscarinic receptors to play a key role in the pathophysiology of asthma, leading to bronchoconstriction, increased mucus secretion, inflammation and airway remodelling. Anticholinergics are muscarinic receptor antagonists that are used in the treatment of chronic obstructive pulmonary disease and asthma. Recent in vivo and in vitro data have increased our understanding of how acetylcholine contributes to the disease manifestations of asthma, as well as elucidating the mechanism of action of anticholinergics. This review assesses the latest literature on acetylcholine in asthma pathophysiology, with a closer look at its role in airway inflammation and remodelling. New insights into the mechanism of action of anticholinergics, their effects on airway remodelling, and a review of the efficacy and safety of long-acting anticholinergics in asthma treatment will also be covered, including a summary of the latest clinical trial data. Pre-clinical data suggest that anticholinergics can reduce acetylcholine-induced airway inflammation and remodellinghttp://ow.ly/xqAQ30loP8F
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Affiliation(s)
| | - Nicholas Gross
- University Medical Research LLC, St Francis Hospital, Hartford, CT, USA
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29
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Hashimoto S, Casale TB, Engel M, Moroni-Zentgraf P, Bour LJ, Kerstjens HAM. Efficacy of tiotropium in adults with moderate asthma, by leukotriene receptor antagonist use at baseline. Allergol Int 2018; 67:411-413. [PMID: 29398589 DOI: 10.1016/j.alit.2017.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 11/15/2017] [Accepted: 11/17/2017] [Indexed: 11/18/2022] Open
Affiliation(s)
- Shu Hashimoto
- Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan.
| | - Thomas B Casale
- Division of Allergy and Immunology, University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - Michael Engel
- TA Respiratory Diseases, Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim am Rhein, Germany
| | - Petra Moroni-Zentgraf
- TA Respiratory Diseases, Boehringer Ingelheim Pharma GmbH & Co. KG, Ingelheim am Rhein, Germany
| | - Louis J Bour
- Biostatistics, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Huib A M Kerstjens
- University of Groningen, Department of Pulmonary Medicine, University Medical Center Groningen, Groningen, The Netherlands
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30
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Bonniaud P, Fabre A, Frossard N, Guignabert C, Inman M, Kuebler WM, Maes T, Shi W, Stampfli M, Uhlig S, White E, Witzenrath M, Bellaye PS, Crestani B, Eickelberg O, Fehrenbach H, Guenther A, Jenkins G, Joos G, Magnan A, Maitre B, Maus UA, Reinhold P, Vernooy JHJ, Richeldi L, Kolb M. Optimising experimental research in respiratory diseases: an ERS statement. Eur Respir J 2018; 51:13993003.02133-2017. [PMID: 29773606 DOI: 10.1183/13993003.02133-2017] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 04/02/2018] [Indexed: 12/15/2022]
Abstract
Experimental models are critical for the understanding of lung health and disease and are indispensable for drug development. However, the pathogenetic and clinical relevance of the models is often unclear. Further, the use of animals in biomedical research is controversial from an ethical perspective.The objective of this task force was to issue a statement with research recommendations about lung disease models by facilitating in-depth discussions between respiratory scientists, and to provide an overview of the literature on the available models. Focus was put on their specific benefits and limitations. This will result in more efficient use of resources and greater reduction in the numbers of animals employed, thereby enhancing the ethical standards and translational capacity of experimental research.The task force statement addresses general issues of experimental research (ethics, species, sex, age, ex vivo and in vitro models, gene editing). The statement also includes research recommendations on modelling asthma, chronic obstructive pulmonary disease, pulmonary fibrosis, lung infections, acute lung injury and pulmonary hypertension.The task force stressed the importance of using multiple models to strengthen validity of results, the need to increase the availability of human tissues and the importance of standard operating procedures and data quality.
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Affiliation(s)
- Philippe Bonniaud
- Service de Pneumologie et Soins Intensifs Respiratoires, Centre Hospitalo-Universitaire de Bourgogne, Dijon, France.,Faculté de Médecine et Pharmacie, Université de Bourgogne-Franche Comté, Dijon, France.,INSERM U866, Dijon, France
| | - Aurélie Fabre
- Dept of Histopathology, St Vincent's University Hospital, UCD School of Medicine, University College Dublin, Dublin, Ireland
| | - Nelly Frossard
- Laboratoire d'Innovation Thérapeutique, Université de Strasbourg, Strasbourg, France.,CNRS UMR 7200, Faculté de Pharmacie, Illkirch, France.,Labex MEDALIS, Université de Strasbourg, Strasbourg, France
| | - Christophe Guignabert
- INSERM UMR_S 999, Le Plessis-Robinson, France.,Université Paris-Sud and Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Mark Inman
- Dept of Medicine, Firestone Institute for Respiratory Health at St Joseph's Health Care MDCL 4011, McMaster University, Hamilton, ON, Canada
| | - Wolfgang M Kuebler
- Institute of Physiology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Tania Maes
- Dept of Respiratory Medicine, Laboratory for Translational Research in Obstructive Pulmonary Diseases, Ghent University Hospital, Ghent, Belgium
| | - Wei Shi
- Developmental Biology and Regenerative Medicine Program, The Saban Research Institute of Children's Hospital Los Angeles, Los Angeles, CA, USA.,Dept of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Martin Stampfli
- Dept of Medicine, Firestone Institute for Respiratory Health at St Joseph's Health Care MDCL 4011, McMaster University, Hamilton, ON, Canada.,Dept of Pathology and Molecular Medicine, McMaster Immunology Research Centre, McMaster University
| | - Stefan Uhlig
- Institute of Pharmacology and Toxicology, RWTH Aachen University, Aachen, Germany
| | - Eric White
- Division of Pulmonary and Critical Care Medicine, Dept of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Martin Witzenrath
- Dept of Infectious Diseases and Respiratory Medicine And Division of Pulmonary Inflammation, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Pierre-Simon Bellaye
- Département de Médecine nucléaire, Plateforme d'imagerie préclinique, Centre George-François Leclerc (CGFL), Dijon, France
| | - Bruno Crestani
- Assistance Publique-Hôpitaux de Paris, Hôpital Bichat, DHU FIRE, Service de Pneumologie A, Paris, France.,INSERM UMR 1152, Paris, France.,Université Paris Diderot, Paris, France
| | - Oliver Eickelberg
- Division of Pulmonary Sciences and Critical Care Medicine, Dept of Medicine, University of Colorado, Aurora, CO, USA
| | - Heinz Fehrenbach
- Priority Area Asthma & Allergy, Research Center Borstel, Airway Research Center North (ARCN), German Center for Lung Research (DZL), Borstel, Germany.,Member of the Leibniz Research Alliance Health Technologies
| | - Andreas Guenther
- Justus-Liebig-University Giessen, Universitary Hospital Giessen, Agaplesion Lung Clinic Waldhof-Elgershausen, German Center for Lung Research, Giessen, Germany
| | - Gisli Jenkins
- Nottingham Biomedical Research Centre, Respiratory Research Unit, City Campus, University of Nottingham, Nottingham, UK
| | - Guy Joos
- Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Antoine Magnan
- Institut du thorax, CHU de Nantes, Université de Nantes, Nantes, France
| | - Bernard Maitre
- Hôpital H Mondor, AP-HP, Centre Hospitalier Intercommunal de Créteil, Service de Pneumologie et de Pathologie Professionnelle, DHU A-TVB, Université Paris Est - Créteil, Créteil, France
| | - Ulrich A Maus
- Hannover School of Medicine, Division of Experimental Pneumology, Hannover, Germany
| | - Petra Reinhold
- Institute of Molecular Pathogenesis at the 'Friedrich-Loeffler-Institut' (Federal Research Institute for Animal Health), Jena, Germany
| | - Juanita H J Vernooy
- Dept of Respiratory Medicine, Maastricht University Medical Center+ (MUMC+), AZ Maastricht, The Netherlands
| | - Luca Richeldi
- UOC Pneumologia, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario "A. Gemelli", Rome, Italy
| | - Martin Kolb
- Dept of Medicine, Firestone Institute for Respiratory Health at St Joseph's Health Care MDCL 4011, McMaster University, Hamilton, ON, Canada
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Zhang L, Huang G, Jin L, Han S. Therapeutic Effects of a Long-Acting Cholinergic Receptor Blocker, Tiotropium Bromide, on Asthma. Med Sci Monit 2018; 24:944-950. [PMID: 29446377 PMCID: PMC5822933 DOI: 10.12659/msm.907950] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background The aim of this study was to evaluate the therapeutic effects of tiotropium bromide on asthma. Material/Methods A total of 160 patients with moderate persistent asthma were randomly divided into 4 groups (n=40): the 3 control groups were given fluticasone propionate aerosol (group A), salmeterol-fluticasone propionate inhalant (group B), and tiotropium bromide inhalation powder combined with salmeterol-fluticasone propionate inhalant (group C), respectively, and the experimental group received tiotropium bromide inhalation powder combined with fluticasone propionate aerosol (group D) and salbutamol was used to relieve symptoms when necessary. Results After 8 weeks of treatment, the pulmonary function of group D, which was significantly better than those of group A (P<0.05), was similar to those of groups B and C (P>0.05). Group D had significantly better asthma control test scores and nighttime symptom scores than in group A (P<0.05), without significant differences from those of group B or group C (P>0.05). The number of times salbutamol was used to alleviate symptoms was significantly different (P<0.05) between group D and group A (P<0.05), as well as between group C and group D (P<0.05). Groups D and B had similar results (P>0.05). IL-13 levels in induced sputum had significant differences (P<0.05). The levels in group D, which were higher than those of groups A and B (P<0.05), were similar to those of group C (P>0.05). Conclusions Tiotropium bromide combined with fluticasone propionate improved the respiratory function and quality of life, and is a new therapy for moderate, persistent asthma.
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Affiliation(s)
- Li Zhang
- Department of Respiratory Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu, China (mainland)
| | - Guangyin Huang
- Department of Respiratory Medicine, Jurong Hospital Affiliated to Jiangsu University, Zhenjiang, Jiangsu, China (mainland)
| | - Long Jin
- Department of Respiratory Medicine, Jurong Hospital Affiliated to Jiangsu University, Zhenjiang, Jiangsu, China (mainland)
| | - Shuhua Han
- Department of Respiratory Medicine, Zhongda Hospital, Southeast University, Nanjing, Jiangsu, China (mainland)
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32
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Bonini M, Scichilone N. Tiotropium in asthma: back to the future of anticholinergic treatment. Clin Mol Allergy 2017; 15:20. [PMID: 29213218 PMCID: PMC5713051 DOI: 10.1186/s12948-017-0076-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/20/2017] [Indexed: 01/01/2023] Open
Abstract
Asthma is among the most common chronic diseases worldwide; however, despite progresses in the understanding of the patho-physiological mechanisms and advances in the development of new therapeutic options and strategies, the disease remains uncontrolled in a not trivial proportion of subjects. Thus, the need of new molecules to treat the underlying biological and functional abnormalities and to control symptoms is strongly advocated by clinicians. In this scenario, the most recent GINA guidelines have included the use of tiotropium bromide in the most severe and uncontrolled forms of the disease, in addition to treatment with inhaled corticosteroid plus long acting beta adrenergic agents. Indeed, a large body of evidence has accumulated to support the use of tiotropium bromide in asthma. The current review paper provides a state of the art systematic revision of findings on the efficacy and safety of tiotropium in the adult and paediatric asthma population. To this aim, electronic searches were undertaken in the most common scientific databases from the date of inception to March 2017. Robust and high quality evidence showed that tiotropium is effective and safe in both adults and children/adolescents. Predictive markers of response have been also suggested, as well as cost–benefit analyses reported. The tiotropium bronchodilator effect seems to be not solely related to the reduction of the smooth muscle tone. However, the observations on anti-inflammatory properties or reduction in mucus production, despite highly interesting, have been only demonstrated in in vitro studies and animal models, therefore advocating for further specifically designed investigations.
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Affiliation(s)
- Matteo Bonini
- Airways Division, Airways Disease Section, National Heart and Lung Institute (NHLI), Royal Brompton Hospital & Imperial College, Dovehouse Street, London, SW3 6LY UK
| | - Nicola Scichilone
- Department of Biomedicine and Internal and Specialistic Medicine (DIBIMIS), University of Palermo, Palermo, Italy
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33
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Prakash YS, Halayko AJ, Gosens R, Panettieri RA, Camoretti-Mercado B, Penn RB. An Official American Thoracic Society Research Statement: Current Challenges Facing Research and Therapeutic Advances in Airway Remodeling. Am J Respir Crit Care Med 2017; 195:e4-e19. [PMID: 28084822 DOI: 10.1164/rccm.201611-2248st] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Airway remodeling (AR) is a prominent feature of asthma and other obstructive lung diseases that is minimally affected by current treatments. The goals of this Official American Thoracic Society (ATS) Research Statement are to discuss the scientific, technological, economic, and regulatory issues that deter progress of AR research and development of therapeutics targeting AR and to propose approaches and solutions to these specific problems. This Statement is not intended to provide clinical practice recommendations on any disease in which AR is observed and/or plays a role. METHODS An international multidisciplinary group from within academia, industry, and the National Institutes of Health, with expertise in multimodal approaches to the study of airway structure and function, pulmonary research and clinical practice in obstructive lung disease, and drug discovery platforms was invited to participate in one internet-based and one face-to-face meeting to address the above-stated goals. Although the majority of the analysis related to AR was in asthma, AR in other diseases was also discussed and considered in the recommendations. A literature search of PubMed was performed to support conclusions. The search was not a systematic review of the evidence. RESULTS Multiple conceptual, logistical, economic, and regulatory deterrents were identified that limit the performance of AR research and impede accelerated, intensive development of AR-focused therapeutics. Complementary solutions that leverage expertise of academia and industry were proposed to address them. CONCLUSIONS To date, numerous factors related to the intrinsic difficulty in performing AR research, and economic forces that are disincentives for the pursuit of AR treatments, have thwarted the ability to understand AR pathology and mechanisms and to address it clinically. This ATS Research Statement identifies potential solutions for each of these factors and emphasizes the importance of educating the global research community as to the extent of the problem as a critical first step in developing effective strategies for: (1) increasing the extent and impact of AR research and (2) developing, testing, and ultimately improving drugs targeting AR.
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Radovanovic D, Santus P, Blasi F, Mantero M. The evidence on tiotropium bromide in asthma: from the rationale to the bedside. Multidiscip Respir Med 2017; 12:12. [PMID: 28484598 PMCID: PMC5420159 DOI: 10.1186/s40248-017-0094-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 04/18/2017] [Indexed: 02/06/2023] Open
Abstract
Severe and poorly controlled asthma still accounts for a great portion of the patients affected. Disease control and future risk management have been identified by international guidelines as the main goals in patients with asthma. The need for new treatment approaches has led to reconsider anticholinergic drugs as an option for asthma treatment. Tiotropium is the first anticholinergic drug that has been approved for children and adults with poorly controlled asthma and is currently considered as an option for steps 4 and 5 of the Global Initiative for Asthma. In large randomized clinical trials enrolling patients with moderate to severe asthma, add-on therapy with tiotropium has demonstrated to be efficacious in improving lung function, decreasing risk of exacerbation and slowing the worsening of disease; accordingly, tiotropium demonstrated to be non inferior compared to long acting beta-agonists in the maintenance treatment along with medium to high inhaled corticosteroids. In view of the numerous ancillary effects acting on inflammation, airway remodeling, mucus production and cough reflex, along with the good safety profile and the broad spectrum of efficacy demonstrated in different disease phenotypes, tiotropium can represent a beneficial alternative in the therapeutic management of poorly controlled asthma. The present extensive narrative review presents the pharmacological and pathophysiological basis that guided the rationale for the introduction of tiotropium in asthma treatment algorithm, with a particular focus on its conventional and unconventional effects; finally, data on tiotropium efficacy and safety. from recent randomized clinical trials performed in all age categories will be extensively discussed.
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Affiliation(s)
- Dejan Radovanovic
- Department of Biomedical and Clinical Sciences (DIBIC), University of Milan, Pulmonary Unit, Ospedale L. Sacco, ASST Fatebenfratelli-Sacco, Milan, Italy
| | - Pierachille Santus
- Department of Biomedical and Clinical Sciences (DIBIC), University of Milan, Pulmonary Unit, Ospedale L. Sacco, ASST Fatebenfratelli-Sacco, Milan, Italy
| | - Francesco Blasi
- Department of Pathophysiology and Transplantation, University of Milan, Cardio-thoracic unit and Adult Cystic Fibrosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Marco Mantero
- Department of Pathophysiology and Transplantation, University of Milan, Cardio-thoracic unit and Adult Cystic Fibrosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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Halpin DM, Kaplan AG, Russell RK. Why choose tiotropium for my patient? A comprehensive review of actions and outcomes versus other bronchodilators. Respir Med 2017; 128:28-41. [PMID: 28610667 DOI: 10.1016/j.rmed.2017.04.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 12/12/2022]
Abstract
PURPOSE Chronic obstructive pulmonary disease (COPD) and asthma are leading causes of morbidity and mortality. This narrative review provides an appraisal of the pharmacological and clinical characteristics of tiotropium in COPD and asthma, and examines how these compare with other long-acting bronchodilators. The evidence base is placed into context by relating it to factors affecting clinicians' choice of therapy. MAIN FINDINGS Desirable attributes of a long-acting muscarinic antagonist (LAMA) maintenance therapy include effective pharmacological bronchodilation, improved lung function, exacerbation efficacy, and positive effects on symptom control, exercise capacity and quality of life across a broad patient population. Tolerability and convenience of use are also important for patient well-being and treatment adherence. Tiotropium shows higher affinity for muscarinic receptors than ipratropium, and prolonged binding to the M3 receptor compared with other LAMAs. In COPD, tiotropium has demonstrated improved lung function and exacerbation prevention compared with placebo or long-acting β2-agonists, similar exacerbation efficacy to other LAMAs, and enhanced symptom control and health status versus placebo. UniTinA-asthma® showed the benefits of add-on tiotropium in patients with uncontrolled mild to moderate and severe asthma. Tiotropium is well tolerated, with an incidence of adverse events similar to placebo, except for known infrequent side effects of anticholinergics. Tiotropium HandiHaler® and Respimat® augment inhaler choice in COPD. PRINCIPAL CONCLUSIONS With over 10 years' prescribing history and 50 million patient-years of use, tiotropium has the benefit of a more extensive clinical evidence base than other long-acting bronchodilators, with demonstrated efficacy and safety in COPD and symptomatic asthma.
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Affiliation(s)
- David M Halpin
- Royal Devon & Exeter Hospital, Barrack Road, Exeter, EX2 5DW, United Kingdom.
| | - Alan G Kaplan
- Department of Family and Community Medicine, University of Toronto, 500 University Avenue, Toronto, Ontario, ON M5G 1V7, Canada.
| | - Richard K Russell
- Nuffield Department of Medicine, University of Oxford, John Radcliffe Hospital, Headley Way, Headington, Oxford, OX3 9DS, United Kingdom.
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Cazzola M, Ora J, Rogliani P, Matera MG. Role of muscarinic antagonists in asthma therapy. Expert Rev Respir Med 2017; 11:239-253. [PMID: 28140686 DOI: 10.1080/17476348.2017.1289844] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
INTRODUCTION Higher parasympathetic tone has been reported in asthmatics. In general, cholinergic contractile tone is increased by airway inflammation associated with asthma. Nevertheless, the role of muscarinic antagonists for the treatment of asthma has not yet been clearly defined. Areas covered: The use of SAMAs and LAMAs in asthma has been examined and discussed according with the published evidence. Particular attention has been given to the large Phase III clinical trial program designed to evaluate the efficacy and safety of tiotropium respimat added to standard treatment in adults, adolescents and children with persistent asthma across the spectrum of asthma severity. Expert commentary: The current evidence is that in patients with poorly controlled severe asthma despite the use of ICS and LABA, the addition of tiotropium significantly increases the time to the first severe exacerbation and provides a modest but sustained bronchodilation. Identical results should be produced using other LAMAs. In any case, the documentation that, at least in animal or in vitro models, LAMAs show significant anti-inflammatory and anti-proliferative capacities and are able to inhibit airway remodeling induced by allergens makes a strong presumption that the use of LAMAs in asthma may go beyond the simple bronchodilator effect.
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Affiliation(s)
- Mario Cazzola
- a Chair of Respiratory Medicine, Department of Systems Medicine , University of Rome Tor Vergata , Rome , Italy
| | - Josuel Ora
- b Division of Respiratory Medicine, Department of Internal Medicine , University Hospital Tor Vergata , Rome , Italy
| | - Paola Rogliani
- a Chair of Respiratory Medicine, Department of Systems Medicine , University of Rome Tor Vergata , Rome , Italy.,b Division of Respiratory Medicine, Department of Internal Medicine , University Hospital Tor Vergata , Rome , Italy
| | - Maria Gabriella Matera
- c Chair of Pharmacology, Department of Experimental Medicine , Second University of Naples , Naples , Italy
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Aalbers R, Park HS. Positioning of Long-Acting Muscarinic Antagonists in the Management of Asthma. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2017; 9:386-393. [PMID: 28677351 PMCID: PMC5500692 DOI: 10.4168/aair.2017.9.5.386] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 03/09/2017] [Indexed: 01/13/2023]
Abstract
Despite a range of efficacious therapies for asthma, including inhaled corticosteroids (ICS) and long-acting β2-agonists (LABA), a significant proportion of patients have poor asthma control and retain a risk of future worsening of their symptoms. Long-acting muscarinic antagonist (LAMA) bronchodilators offer a well-tolerated, efficacious, and cost-effective add-on to a patient's treatment. Of the LAMAs currently under investigation or available for the treatment of asthma, evidence from a comprehensive clinical trial program in adults and children shows that once-daily treatment with tiotropium provides benefits for patients with uncontrolled asthma despite the use of ICS and LABAs. Tiotropium is included in the Global Initiative for Asthma (GINA) strategy document as an add-on therapy option for patients at Step 4 or 5 with a history of asthma exacerbations. Tiotropium Respimat® has demonstrated safety and efficacy in patients with a range of disease severities, ages, and phenotypes. This review describes the evidence for the use of LAMA as add-on therapy for patients with asthma who remain uncontrolled despite the use of ICS and LABA treatments.
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Affiliation(s)
- René Aalbers
- Department of Pulmonology, Martini Hospital, Groningen, The Netherlands
| | - Hae Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea.
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