: Severe asthma has an acknowledged impact on health-related quality of life (HRQOL) and is associated with substantial health care costs. This study aimed to investigate the patients' own experiences of the disease, perceptions of HRQOL, and awareness of disease management. : This study included severe asthma patients in Sweden and Denmark. A quantitative Web-based survey and qualitative in-depth interviews (IDIs) were conducted. The survey included St. George's Respiratory Questionnaire (SGRQ), Asthma Control Test (ACT), Work Productivity and Activity Impairment (WPAI), and a study-specific questionnaire on quality of care and disease awareness. Telephone-based IDIs were conducted by medical interviewers following a semi-structured interview guide. : A total of 93 patients participated in the Web survey, and 33 participated in the IDIs. In the survey, the vast majority (77%; 72/93) had uncontrolled asthma (ACT<20). Mean total SGRQ score was 47.4 (59.7 symptom, 53.7 activity, 39.9 impact scores). Nearly 60% were treated in primary care. The IDIs revealed a long path to diagnosis, substantial and constant need for adaptations because of disease limitations, high burden on family members, social restrictions, and sick leaves and income losses. Patient awareness about guidelines, treatment goals, and available therapies was poor, and a low level of satisfaction by primary health care was seen. : The vast majority of this severe asthma population had uncontrolled asthma and poor access to lung expert physicians. Impaired HRQOL despite patients' adaptations was indicated. These findings highlight the need for structured patient education and greater access to units with disease-specific knowledge.
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http://dx.doi.org/10.1080/20018525.2020.1856024 | DOI Listing |
Respir Res
January 2025
Department of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, 150086, China.
Background: The emergence of new molecular targeted drugs marks a breakthrough in asthma treatment, particularly for severe cases. Yet, options for moderate-to-severe asthma treatment remain limited, highlighting the urgent need for novel therapeutic drug targets. In this study, we aimed to identify new treatment targets for asthma using the Mendelian randomization method and large-scale genome-wide association data (GWAS).
View Article and Find Full Text PDFAnn Allergy Asthma Immunol
January 2025
Global Medical Affairs, Specialty Care, GSK, London, UK. Electronic address:
Background: Some patients with severe asthma have overlapping allergic and eosinophilic phenotypes and may be eligible for anti-eosinophilic or anti-IgE biologics.
Objective: This post hoc sub-analysis assessed real-world mepolizumab effectiveness in patients with overlapping allergic and eosinophilic phenotypes, using 1-year data from the international, prospective REALITI-A study.
Methods: The clinically significant asthma exacerbation (CSE) rate was assessed 1 year prior to (pre-treatment) and following (follow-up) mepolizumab treatment, stratified by baseline total IgE levels (tIgE; <60, 60-<190, 190-<550, and ≥550 kU/L), atopic status (yes/no/unknown), prior omalizumab use (yes/no), geographic baseline omalizumab eligibility (eligible/non-eligible), and baseline tIgE level and blood eosinophil count (BEC) threshold combinations (<81 or ≥81 kU/L and <300 or ≥300 cells/µL).
Lancet Respir Med
January 2025
Division of Respiratory Medicine and Gastroenterology, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK. Electronic address:
Background: Bronchiectasis is a disease with a global impact, but most published data come from high-income countries. We aimed to describe the clinical characteristics of patients with bronchiectasis in China.
Methods: The Chinese Bronchiectasis Registry (BE-China) is a prospective, observational cohort enrolling patients from 111 hospitals in China.
Thromb Haemost
January 2025
Department of Medicine, Jagiellonian University School of Medicine, Cracow, Poland.
Background: Asthma is associated with a prothrombotic state. Plasma factor VIIa-antithrombin complex concentrations (FVIIa-AT) indirectly reflect the interaction of tissue factor (TF) with FVII. Since TF is a key initiator of coagulation in vivo, we hypothesized that FVIIa-AT are higher in asthma.
View Article and Find Full Text PDFAllergy
January 2025
Schroeder Allergy and Immunology Research Institute, Department of Medicine, Faculty of Health Sciences, McMaster University, Hamilton, Canada.
Allergic reactions to foods are primarily driven by allergen-binding immunoglobulin (Ig)E antibodies. IgE-expressing cells can be generated through direct switching from IgM to IgE or a sequential class switching pathway where activated B cells first switch to an intermediary isotype, most frequently IgG1, and then to IgE. It has been proposed that sequential class switch recombination is involved in augmenting the severity of allergic reactions, generating high affinity IgE, differentiation of IgE plasma cells, and in holding the memory of IgE responses.
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