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Bonini M, Di Paolo M, Bagnasco D, Baiardini I, Braido F, Caminati M, Carpagnano E, Contoli M, Corsico A, Del Giacco S, Heffler E, Lombardi C, Menichini I, Milanese M, Scichilone N, Senna G, Canonica GW. Minimal clinically important difference for asthma endpoints: an expert consensus report. Eur Respir Rev 2020; 29:29/156/190137. [PMID: 32499305 PMCID: PMC9488652 DOI: 10.1183/16000617.0137-2019] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 03/09/2020] [Indexed: 02/02/2023] Open
Abstract
Minimal clinically important difference (MCID) can be defined as the smallest change or difference in an outcome measure that is perceived as beneficial and would lead to a change in the patient's medical management. The aim of the current expert consensus report is to provide a “state-of-the-art” review of the currently available literature evidence about MCID for end-points to monitor asthma control, in order to facilitate optimal disease management and identify unmet needs in the field to guide future research. A series of MCID cut-offs are currently available in literature and validated among populations of asthmatic patients, with most of the evidence focusing on outcomes as patient reported outcomes, lung function and exercise tolerance. On the contrary, only scant and partial data are available for inflammatory biomarkers. These clearly represent the most interesting target for future development in diagnosis and clinical management of asthma, particularly in view of the several biologic drugs in the pipeline, for which regulatory agencies will soon require personalised proof of efficacy and treatment response predictors. Minimal clinically important difference (MCID) cut-offs in asthma are validated for patient reported outcomes and lung function, but not for inflammatory biomarkers. MCID represents a key target for future development in asthma management. http://bit.ly/33hcWIe
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Affiliation(s)
- Matteo Bonini
- National Heart and Lung Institute, Royal Brompton Hospital & Imperial College London, London, UK.,UOC Pneumologia, Istituto di Medicina Interna, F. Policlinico Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Marcello Di Paolo
- National Heart and Lung Institute, Royal Brompton Hospital & Imperial College London, London, UK
| | - Diego Bagnasco
- Allergy and Respiratory diseases, University of Genoa, Dept of Internal Medicine (DiMI), Ospedale Policlinico San Martino, Genoa, Italy
| | - Ilaria Baiardini
- Dept of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
| | - Fulvio Braido
- Allergy and Respiratory diseases, University of Genoa, Dept of Internal Medicine (DiMI), Ospedale Policlinico San Martino, Genoa, Italy
| | - Marco Caminati
- Dept of Medicine, University of Verona, Verona, Italy.,Asthma Center and Allergy Unit, Verona University Hospital, Verona, Italy
| | - Elisiana Carpagnano
- Division of Respiratory Diseases, Dept of Medical and Surgical Sciences, University of Foggia, Italy
| | - Marco Contoli
- Section of Internal and Cardiorespiratory Medicine, Dept of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Angelo Corsico
- Division of Respiratory Diseases, IRCCS Policlinico San Matteo Foundation - Dept of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
| | - Stefano Del Giacco
- Dept of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Enrico Heffler
- Personalized Medicine, Asthma and Allergy - Humanitas Research Hospital, Rozzano, Italy
| | - Carlo Lombardi
- Departmental Unit of Pneumology & Allergology, Istituto Ospedaliero Fondazione Poliambulanza, Brescia, Italy
| | - Ilaria Menichini
- Dept of Cardiovascular, Respiratory, Nephrology, Anaesthesiology and Geriatric Science, "Sapienza" University, Rome, Italy
| | | | - Nicola Scichilone
- AOUP Policlinico Universitario, DIBIMIS, Università di Palermo, Palermo, Italy
| | - Gianenrico Senna
- Dept of Medicine, University of Verona, Verona, Italy.,Asthma Center and Allergy Unit, Verona University Hospital, Verona, Italy
| | - Giorgio W Canonica
- Personalized Medicine, Asthma and Allergy - Humanitas Research Hospital, Rozzano, Italy
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Novosad J, Krčmová I, Bartoš V, Drahošová M, Vaník P, Růžičková-Kirchnerová O, Teřl M, Krejsek J. Serum periostin levels in asthma patients in relation to omalizumab therapy and presence of chronic rhinosinusitis with nasal polyps. Postepy Dermatol Alergol 2020; 37:240-249. [PMID: 32489361 PMCID: PMC7262810 DOI: 10.5114/ada.2020.94842] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 10/19/2018] [Indexed: 01/04/2023] Open
Abstract
INTRODUCTION The serum periostin level is a promising biomarker of type 2- high inflammation pattern of bronchial asthma. It has been proven that serum periostin levels decrease in response to systemic and inhaled corticosteroid (ICS) therapy. However, we have only limited knowledge about changes in serum periostin levels reflecting omalizumab (OMA) treatment and other variables, such as chronic rhinosinusitis with nasal polyps (CRSwNP). AIM To critically appraise clinically relevant parameters influencing periostin levels in asthma patients. MATERIAL AND METHODS A pilot, cross-sectional, observational study to assess serum periostin levels of 48 asthma patients (38 treated by conventional therapy comprising ICS and 10 treated by ICS and OMA as an add-on therapy) with respect to asthma clinical traits, comorbidities and to other biomarkers of type 2-high asthma phenotype (total IgE, absolute and relative eosinophil count, eosinophilic cationic protein (ECP) and a fraction of exhaled NO (FeNO)). RESULTS Serum periostin correlates with total IgE levels (Spearman rho = 0.364, p = 0.025) in a subgroup of conventionally treated patients, and with eosinophil count (Spearman rho = 0.401, p = 0.021) in a subgroup of patients with concurrent CRSwNP. Serum periostin levels were decreased in omalizumab-treated patients in comparison to conventionally treated patients (p = 0.025). This effect was remarkably apparent only if CRSwNP was not present (p = 0.005). Conversely, we measured elevated periostin levels in OMA-treated patients with concurrent CRSwNP (p = 0.017). CONCLUSIONS Serum periostin production is significantly associated with treatment modality (omalizumab vs. conventional) and presence of CRSwNP. These variables need to be taken into account to interpret periostin levels accurately.
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Affiliation(s)
- Jakub Novosad
- Institute of Clinical Immunology and Allergy, University Hospital in Hradec Králové, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Irena Krčmová
- Institute of Clinical Immunology and Allergy, University Hospital in Hradec Králové, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Vladimír Bartoš
- Department of Pulmonary Medicine, University Hospital in Hradec Králové, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Marcela Drahošová
- Institute of Clinical Immunology and Allergy, University Hospital in Hradec Králové, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Petr Vaník
- Department of Respiratory Diseases, Hospital in České Budějovice, Faculty of Medicine in Pilsen, Charles University in Prague, Czech Republic
| | - Olga Růžičková-Kirchnerová
- Department of Pulmonary Medicine, University Hospital in Pilsen, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Milan Teřl
- Department of Pulmonary Medicine, University Hospital in Pilsen, Faculty of Medicine, Charles University in Prague, Czech Republic
| | - Jan Krejsek
- Institute of Clinical Immunology and Allergy, University Hospital in Hradec Králové, Faculty of Medicine, Charles University in Prague, Czech Republic
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Matsumoto H. Role of serum periostin in the management of asthma and its comorbidities. Respir Investig 2020; 58:144-154. [PMID: 32205146 DOI: 10.1016/j.resinv.2020.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Revised: 01/17/2020] [Accepted: 02/07/2020] [Indexed: 12/15/2022]
Abstract
Type-2 airway inflammation is a major characteristic of asthma. Assessing its degree of severity is, therefore, essential in asthma management. Periostin, a matricellular protein belonging to the fasciclin family, is a key molecule linking type-2 airway inflammation and airway remodeling. Fortunately, periostin can be detected in the blood and used to provide sustaining airway information on type-2 inflammation and remodeling. Serum periostin is elevated in the eosinophilic/type 2 subtype of severe asthma, and its levels remain relatively stable and reflect genetic backgrounds. This suggests that serum periostin may serve as a marker of geno-endophenotype with type-2 airway inflammation and thus could be a predictive marker of the long-term prognosis of asthma under treatment. As expected, serum periostin is particularly elevated in comorbidities associated with the eosinophilic/type 2 subtype of severe asthma, including eosinophilic chronic rhinosinusitis, aspirin-exacerbated respiratory diseases, allergic bronchopulmonary aspergillosis, and eosinophilic granulomatosis with polyangiitis. Conversely, serum periostin levels are relatively lower in the overweight/obese. Serum periostin measurements may help to significantly improve the management of patients with severe asthma.
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Affiliation(s)
- Hisako Matsumoto
- Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
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Hachim MY, Elemam NM, Ramakrishnan RK, Hachim IY, Salameh L, Mahboub B, Al Heialy S, Halwani R, Hamoudi R, Hamid Q. Confounding Patient Factors Affecting the Proper Interpretation of the Periostin Level as a Biomarker in Asthma Development. J Asthma Allergy 2020; 13:23-37. [PMID: 32021310 PMCID: PMC6955601 DOI: 10.2147/jaa.s230892] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/09/2019] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION The proper use of serum periostin (POSTN) as a biomarker for asthma is hindered by inconsistent performance in different clinical settings. OBJECTIVE To explore patient's factors that may affect POSTN expression locally and systematically and its utility as a biomarker for asthma development. MATERIALS AND METHODS Here we used bioinformatics analysis of publicly available transcriptomics data to confirm that POSTN is an asthma specific gene involved in core signaling pathways enriched in the bronchial epithelium during asthma. We then explored a large number of datasets to identify possible confounders that may affect the POSTN gene expression and consequently, its interpretation as a reliable biomarker for asthma. Plasma and saliva levels of POSTN were determined in locally recruited asthmatic patients (mild, moderate and severe) compared to healthy controls to confirm the bioinformatics findings. RESULTS Our bioinformatics results confirmed that POSTN was consistently upregulated in the bronchial epithelium in asthma, chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF) bronchial epithelium. In asthma, its mRNA expression was affected by gender, sample anatomical site and type, steroid therapy, and smoking. In our cohort, plasma POSTN was upregulated in severe and non-severe asthmatic patients. Saliva POSTN was significantly higher in non-severe asthmatic patients compared to healthy and severe asthmatic patients (specifically those who are not on Xolair (omalizumab)). Patients' BMI, inhaled steroid use and Xolair treatment affected POSTN plasma levels. CONCLUSION Up to our knowledge, this is the first study examining the level of POSTN in the saliva of asthmatic patients. Both plasma and saliva POSTN levels can aid in early diagnosis of asthma. Saliva POSTN level was more sensitive than plasma POSTN in differentiating between severe and non-severe asthmatics. Patients' characteristics like BMI, the use of inhaled steroids, or Xolair treatment should be carefully reviewed before any meaningful interpretation of POSTN level in clinical practice.
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Affiliation(s)
- Mahmood Yaseen Hachim
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Noha Mousaad Elemam
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Rakhee K Ramakrishnan
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Ibrahim Yaseen Hachim
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Laila Salameh
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Bassam Mahboub
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Saba Al Heialy
- Meakins-Christie Laboratories, McGill University, Montreal, QC, Canada
- College of Medicine, Mohammed Bin Rashid University, Dubai, United Arab Emirates
| | - Rabih Halwani
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Rifat Hamoudi
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Qutayba Hamid
- Sharjah Institute for Medical Research, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Meakins-Christie Laboratories, McGill University, Montreal, QC, Canada
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Matsumoto H. Roles of Periostin in Asthma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1132:145-159. [PMID: 31037633 DOI: 10.1007/978-981-13-6657-4_15] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Periostin is a matricellular protein that is deeply involved in type-2/eosinophilic airway inflammation and remodeling in asthma. While its expression in airway epithelial cells is correlated with the thickness of airway basement membrane, more importantly, periostin can be detected stably in blood with little variability, reflecting airway type-2 inflammation and remodeling. As for a result, serum periostin can serve as a valuable marker to identify patients with type-2 severe asthma who are insensitive to inhaled corticosteroids, and consequently have the excess decline of pulmonary function with asthma exacerbations. Serum periostin may significantly help to improve management of patients with severe asthma.
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Affiliation(s)
- Hisako Matsumoto
- Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
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