{"title":"Response to Level of Compliance with Spanish Guideline Recommendations in the Management of Asthma [Letter].","authors":"Agussalim","doi":"10.2147/JAA.S501133","DOIUrl":"10.2147/JAA.S501133","url":null,"abstract":"","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1071-1072"},"PeriodicalIF":3.7,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11523950/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142545617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tham T Le, David B Price, Clement Erhard, Bill Cook, Anna Quinton, Rohit Katial, George C Christoff, Luis Perez-de-Llano, Alan Altraja, Celine Bergeron, Arnaud Bourdin, Mariko Siyue Koh, Lauri Lehtimäki, Bassam Mahboub, Nikolaos G Papadopoulos, Paul Pfeffer, Chin Kook Rhee, Victoria Carter, Neil Martin, Trung N Tran
{"title":"Disease Burden and Access to Biologic Therapy in Patients with Severe Asthma, 2017-2022: An Analysis of the International Severe Asthma Registry.","authors":"Tham T Le, David B Price, Clement Erhard, Bill Cook, Anna Quinton, Rohit Katial, George C Christoff, Luis Perez-de-Llano, Alan Altraja, Celine Bergeron, Arnaud Bourdin, Mariko Siyue Koh, Lauri Lehtimäki, Bassam Mahboub, Nikolaos G Papadopoulos, Paul Pfeffer, Chin Kook Rhee, Victoria Carter, Neil Martin, Trung N Tran","doi":"10.2147/JAA.S468068","DOIUrl":"10.2147/JAA.S468068","url":null,"abstract":"<p><strong>Introduction: </strong>Patients with severe asthma may be prescribed biologic therapies to improve disease control. The EVEREST study aimed to characterize the global disease burden of patients with severe asthma without access to biologics and those who have access but do not receive biologics, as well as the remaining unmet need despite use of these therapies.</p><p><strong>Methods: </strong>This was a historical cohort study of patients with severe asthma (aged ≥18 years) in the International Severe Asthma Registry receiving Global Initiative for Asthma (GINA) 2018 step 5 treatment, or with uncontrolled disease at GINA step 4. Prospective data on patient clinical characteristics, healthcare resource utilization, and medication use over a 12-month period between December 2017 and May 2022 were assessed for the following five groups: biologics accessible (omalizumab, mepolizumab, reslizumab, benralizumab, or dupilumab); biologics inaccessible; biologics accessible but not received; biologics accessible and received; and biologic recipients whose asthma remained suboptimally controlled.</p><p><strong>Results: </strong>Overall, 9587 patients from 21 countries were included. Among patients in the biologics accessible (n=5073), biologics inaccessible (n=3041), and biologics accessible but not received (n=382) groups, 41.4%, 18.7%, and 49.6% experienced at least two exacerbations, 11.5%, 10.5%, and 6.2% required at least one hospitalization, 47.9%, 54.6%, and 71.2% had uncontrolled asthma, and 23.9%, 8.6%, and 11.0% received long-term oral corticosteroids (LTOCS), respectively. Following biologic therapy, among patients who received biologics overall (n=2666) and among those whose asthma remained suboptimally controlled (n=1780), 19.1% and 23.0% experienced at least two exacerbations, 2.7% and 2.9% required at least one hospitalization, and 16.7% and 22.0% received LTOCS, respectively.</p><p><strong>Conclusion: </strong>There is a substantial disease burden in both patients without access to biologics and those with access who do not receive these therapies, although specific outcomes may vary between these groups. There also remains a high unmet need among biologic recipients, many of whom have a suboptimal response to treatment.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1055-1069"},"PeriodicalIF":3.7,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11522015/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142545616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Victoria S Benson, James Siddall, Adam Haq, Mark Small, Zhiliu Tang, Tao Ye, Peter Howarth, Anna Richards, Rafael Alfonso-Cristancho
{"title":"Sub-Optimal Disease Control and Low Blood Eosinophil Testing Frequency in Chinese Adult Patients with Asthma Receiving GINA Step 4/5 Treatment: A Real-World Study.","authors":"Victoria S Benson, James Siddall, Adam Haq, Mark Small, Zhiliu Tang, Tao Ye, Peter Howarth, Anna Richards, Rafael Alfonso-Cristancho","doi":"10.2147/JAA.S474338","DOIUrl":"10.2147/JAA.S474338","url":null,"abstract":"<p><strong>Purpose: </strong>To inform effective management strategies for severe asthma in China, this study aimed to comprehensively characterize clinical characteristics, treatment patterns, disease control status, and healthcare resource utilization among patients on GINA Step 4/5 therapies by analyzing data from the Adelphi Asthma Disease Specific Program conducted in China.</p><p><strong>Patients and methods: </strong>All information was retrieved from medical records or collected from physicians and patients on the survey date (August-December 2018); no follow-up was conducted. Results were summarized descriptively for patients on GINA Step 4/5 therapies, who were pooled from a consecutive sample (comprising three or more consecutive patients with physician-diagnosed asthma from each participating physician) and an oversample (comprising the next two patients with physician-perceived severe asthma from each participating physician).</p><p><strong>Results: </strong>Of the included patients (n=754), 51.5% had ever had a blood eosinophil measurement taken, 22.1% had available records for their most recent blood eosinophil measurements (68.9% of them had an elevated level ≥150 cells/µL), 39.9% had ever been tested for specific immunoglobulin E or radioallergosorbent, and 8.0% were prescribed maintenance oral corticosteroids. Asthma was not well controlled in 69.2% of patients. In the prior year, 27.1% experienced at least one severe exacerbation and 22.8% experienced at least one hospitalization (emergency visit or overnight stay) due to asthma.</p><p><strong>Conclusion: </strong>In Chinese patients with asthma on GINA Step 4/5 therapies, biomarker testing was underutilized, asthma was not well controlled, and severe exacerbations were not infrequent. These findings highlight the urgent need for optimized asthma management for patients on GINA Step 4/5 therapies in China.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1041-1054"},"PeriodicalIF":3.7,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11512527/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mona Al-Ahmad, Asmaa Ali, Haitham A Dawood, Gerges M Beshreda
{"title":"Effect of Dupilumab on Radiological Remission in Patients with Chronic Rhinosinusitis with Nasal Polyp: A One Step Forward Toward Clinical Remission.","authors":"Mona Al-Ahmad, Asmaa Ali, Haitham A Dawood, Gerges M Beshreda","doi":"10.2147/JAA.S478040","DOIUrl":"10.2147/JAA.S478040","url":null,"abstract":"<p><strong>Background and objectives: </strong> While achieving complete radiological improvement in patients with nasal polyps is often observed following surgical resection, the impact of biologic therapy, specifically dupilumab, on polyp size is an area of great interest. The objective of this study was to assess the effect of dupilumab in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) by assessing nasal polyps using the computed tomography (CT) staging system, Lund-Mackay score (LMS).</p><p><strong>Methods: </strong> A two-year prospective cohort study was conducted on 29 patients diagnosed with CRSwNP and asthma and eligible for dupilumab as an add-on therapy. The study involved comprehensive assessments of patients before biologic initiation and after the study. These assessments included clinical, laboratory, and radiological evaluations.</p><p><strong>Results: </strong>Dupilumab treatment reduces LMS across sinuses (p<0.001) and improves nasal obstruction (p=0.001). Blood eosinophil count (BEC) predicts persistent sinus obstruction, doubling the likelihood per unit increase (odds ratio: 1.67, p=0.02). BEC levels identify persistent nasal obstruction (AUC: 76%, p=0.04), with a cutoff point above 255.5 cells per microliter, revealing a sensitivity of 100% and a specificity of 42%. The probability of persistent nasal obstruction at the 20th month is 55%, regardless of prior nasal polyp surgery (p=0.41).</p><p><strong>Conclusion: </strong>Dupilumab led to significant radiological improvements in patients with CRSwNP, demonstrating a potential role of radiological remission, irrespective of prior nasal polyp surgery. Additionally, BEC levels may guide the likelihood of persistent nasal obstruction.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1027-1040"},"PeriodicalIF":3.7,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11505379/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142500942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impulse Oscillometry Combined to FeNO in Relation to Asthma Control Among Preschool Children.","authors":"Jiying Xiao, Lingyue Liu, Kamran Ali, Suling Wu, Junsong Chen","doi":"10.2147/JAA.S489639","DOIUrl":"10.2147/JAA.S489639","url":null,"abstract":"<p><strong>Objective: </strong>We aimed to observe and analyze the differences in impulse oscillometry (IOS) and fractional expiratory nitric oxide (FeNO) in relation to asthma control among preschool children, and to explore the predictive value of IOS combined with FeNO for uncontrolled asthma.</p><p><strong>Methods: </strong>This study enrolled 171 preschool children with asthma and 30 healthy preschool children between June 2022 and June 2023. We categorized the asthmatic children as having controlled asthma (n=85) and uncontrolled asthma (n=86) after a 3-month follow-up. IOS and FeNO were collected on the first visit at baseline. Differences in metrics were compared between controlled asthma, uncontrolled asthma and healthy control groups. The area under the receiver operating characteristic curve (AUROC) was utilized to explore the discriminative ability of IOS and FeNO, alone or in combination, against uncontrolled asthma.</p><p><strong>Results: </strong>Compared to the controlled asthma group, the IOS values of R5, X5, R5-R20, and Fres were significantly higher in the uncontrolled asthma group, except for R20. R5 and R5-R20 had the highest area under the curve (AUC), which could reach 0.74 (95% CI 0.66-0.82) and 0.72 (95% CI 0.64-0.80). R20 had the lowest AUC of 0.59. The AUC for FeNO alone was 0.88 (95% CI 0.84-0.93) with a cutoff value of 17.50 ppb, sensitivity and specificity of 0.73 and 0.89. The AUCs of all IOS metrics combined with FeNO were significantly higher, with the highest AUC of 0.92 (95% CI 0.87-0.96) for R5-R20+FeNO, and with a sensitivity and specificity of 0.88 and 0.84.</p><p><strong>Conclusion: </strong>There were significant differences in IOS and FeNO in relation to asthma control among preschooler children. FeNO might be the best predictor of asthma control, and adding any of IOS metrics increased moderately the predictive value.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1015-1025"},"PeriodicalIF":3.7,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11490204/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142466163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fixed Airflow Obstruction in Asthma Can Be Identified Early by Low FEF25-75% and is Associated with Environmental Exposure.","authors":"Ziheng Chen, Jinxin Ma, Jiahui Lei, Yi Li, Ruijuan Zhao, Limin Zhao","doi":"10.2147/JAA.S479215","DOIUrl":"https://doi.org/10.2147/JAA.S479215","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to identify environmental risk factors associated with asthmatic fixed airflow obstruction (FAO) and assess the relationship between small airway abnormalities defined by forced expiratory flow at 25-75% (FEF25-75%) and FAO.</p><p><strong>Patients and methods: </strong>We analyzed data from 312 han Chinese patients with stable asthma on standard treatment. Low FEF25-75% was defined as post-bronchodilator FEF25-75% z-score <-0.8435, and FAO as post-bronchodilator FEV1/FVC z-score <-1.645. Exposure levels were retrospectively analyzed in relation to FAO risk in asthmatics. Asthmatics were grouped by low FEF25-75% and FAO, and lung function, environmental exposure, daily symptoms, and exacerbations in the previous year were compared cross-sectionally across groups.</p><p><strong>Results: </strong>In retrospective analyses, pack-years of smoking in male patients (adjusted odd ratio [95% confidence interval] 1.05 [1.03-1.07], <i>P</i><0.001), biomass exposure for >20 years (2.65 [1.13-6.43], <i>P</i>=0.027), occupational exposure for >10 years (2.01 [1.06-3.86], <i>P</i>=0.035) and occupational exposure for >20 years (2.67 [1.24-5.91], <i>P</i>=0.013) were associated with asthmatic FAO. In cross-sectional analyses, compared with the normal FEF25-75%/ asthmatics without FAO (NON-FAO) group, the low FEF25-75%/ asthmatics with FAO (FAO) group had lower FEV1 z-scores and FEV1/FVC z-scores, more pack-years and years of biomass and occupational exposure, higher Asthma Control Questionnaire-5 and Chronic Obstructive Pulmonary Disease Assessment Test scores, and more frequent exacerbations. The low FEF25-75%/NON-FAO group showed the same trend, but to a lesser extent.</p><p><strong>Conclusion: </strong>Chronic airway inflammation is not the only driver of asthmatic FAO, and management and treatment targeting environmental risk factors (smoking and biomass and occupational exposures) may slow FAO progression in asthmatics. The FEF25-75% determined by the z-score is a reliable marker of small airway abnormalities, and patients with low FEF25-75% are at greater risk for FAO, requiring more frequent follow-up.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"1001-1014"},"PeriodicalIF":3.7,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11476322/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142466162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Monique da Silva Pinto, Caroline de Oliveira Ribeiro, Paula Morisco de Sá, Hermano Albuquerque Castro, Thiago Prudente Bártholo, Agnaldo José Lopes, Pedro Lopes Melo
{"title":"Oscillometry in Asthma: Respiratory Modeling and Analysis in Occupational and Work-Exacerbated Phenotypes.","authors":"Monique da Silva Pinto, Caroline de Oliveira Ribeiro, Paula Morisco de Sá, Hermano Albuquerque Castro, Thiago Prudente Bártholo, Agnaldo José Lopes, Pedro Lopes Melo","doi":"10.2147/JAA.S473639","DOIUrl":"https://doi.org/10.2147/JAA.S473639","url":null,"abstract":"<p><strong>Background: </strong>Asthma onset or worsening of the disease in adulthood may be associated with occupational asthma (OA) or work-exacerbated asthma (WEA). Oscillometry and respiratory modeling offer insight into the pathophysiology and contribute to the early diagnosis of respiratory abnormalities.</p><p><strong>Purpose: </strong>This study aims to compare the changes due to OA and WEA and evaluate the diagnostic accuracy of this method.</p><p><strong>Patients and methods: </strong>Ninety-nine volunteers were evaluated: 33 in the control group, 33 in the OA group, and 33 in the WEA group. The area under the receiver operator characteristic curve (AUC) was used to describe diagnostic accuracy.</p><p><strong>Results: </strong>Oscillometric analysis showed increased resistance at 4 hz (R4, p<0.001), 20 hz (R20, p<0.05), R4-R20 (p<0.0001), and respiratory work (p<0.001). Similar analysis showed reductions in dynamic compliance (p<0.001) and ventilation homogeneity, as evaluated by resonance frequency (Fr, p<0.0001) and reactance area (p<0.0001). Respiratory modeling showed increased peripheral resistance (p<0.0001), hysteresivity (p<0.0001), and damping (p<0.0001). No significant changes were observed comparing OA with WEA in any parameter. For OA, the diagnostic accuracy analyses showed Fr as the most accurate among oscillometric parameters (AUC=0.938), while the most accurate from respiratory modeling was hysteresivity (AUC=0.991). A similar analysis for WEA also showed that Fr was the most accurate among traditional parameters (AUC=0.972), and hysteresivity was the most accurate from modeling (AUC=0.987). The evaluation of differential diagnosis showed low accuracy.</p><p><strong>Conclusion: </strong>Oscillometry and modeling have advanced our understanding of respiratory abnormalities in OA and WEA. Furthermore, our study presents evidence suggesting that these models could aid in the early diagnosis of these diseases. Respiratory oscillometry examinations necessitate only tidal breathing and are straightforward to conduct. Collectively, these practical considerations, coupled with the findings of our study, indicate that respiratory oscillometry in conjunction with respiratory modeling, may enhance lung function assessments in OA and WEA.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"983-1000"},"PeriodicalIF":3.7,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11476752/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142466164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dennis K Ledford, Warner W Carr, Wendy C Moore, Njira L Lugogo, Arjun Mohan, Bradley Chipps, Alexander R Mackie, Andrew W Lindsley, Joseph Spahn, Christopher S Ambrose
{"title":"Reduced Effectiveness of Anti-IgE Treatment Among Adults with Severe Asthma with Older Age of Asthma Onset: Results from the CHRONICLE Study.","authors":"Dennis K Ledford, Warner W Carr, Wendy C Moore, Njira L Lugogo, Arjun Mohan, Bradley Chipps, Alexander R Mackie, Andrew W Lindsley, Joseph Spahn, Christopher S Ambrose","doi":"10.2147/JAA.S476774","DOIUrl":"https://doi.org/10.2147/JAA.S476774","url":null,"abstract":"<p><strong>Purpose: </strong>Younger age of asthma onset (AAO) has been associated with an allergic phenotype, whereas eosinophilic phenotypes have been associated with older AAO. In randomized trials, biologic efficacy among adults with severe asthma (SA) has varied by age at asthma onset. To determine whether these associations observed in trials apply to real-world outcomes, this study examined biologic effectiveness by AAO and biologic class in a large, real-world cohort.</p><p><strong>Patients and methods: </strong>CHRONICLE is an ongoing, real-world study of US adults with subspecialist-treated SA receiving biologics, maintenance corticosteroids, or who are uncontrolled on high-dosage inhaled corticosteroids with additional controllers. Patients enrolled between February 2018 and February 2022 who initiated a biologic for SA and had complete data for analysis were included. A locally estimated scatterplot smoothing (LOESS) analysis was used to plot the relationship between percentage exacerbation rate reduction and AAO by biologic class.</p><p><strong>Results: </strong>Of 578 patients with complete data, 198, 149, and 231 were diagnosed with asthma at age <18, 18-39, and ≥40 years, respectively. Across subgroups, patients were predominantly White (72-78%), female (67-73%), and commercially insured (54-71%). In the LOESS analysis, exacerbation rate reductions were similar for anti-IgE and anti-IL-5/5R and anti-IL-4R subgroups with younger AAO, but the exacerbation rate reduction diminished for patients with older AAO receiving anti-IgE therapy, particularly with asthma onset age ≥40 years.</p><p><strong>Conclusion: </strong>Clinicians should consider age of onset in biologic treatment decisions, given reduced effectiveness of omalizumab in patients with asthma onset at age ≥40 years.</p><p><strong>Clinicaltrialsgov identifier: </strong>NCT03373045.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"977-982"},"PeriodicalIF":3.7,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11471085/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142466165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jing He, Nan Lin, Ting Jin, Ming Lin, Zuowei Huang, Shuxian Li, Jinling Liu, Lin Su, Xian Ye, Lei Wu, Zhenghong Song, Hongzhen Xu, Zhimin Chen
{"title":"Association of Mite Molecular Sensitization Profiles with Respiratory Allergies and Asthma Control in Children from East China.","authors":"Jing He, Nan Lin, Ting Jin, Ming Lin, Zuowei Huang, Shuxian Li, Jinling Liu, Lin Su, Xian Ye, Lei Wu, Zhenghong Song, Hongzhen Xu, Zhimin Chen","doi":"10.2147/JAA.S480676","DOIUrl":"https://doi.org/10.2147/JAA.S480676","url":null,"abstract":"<p><strong>Background: </strong>Allergic conditions, identified as a significant global health challenge, are profoundly influenced by indoor allergens, especially house dust mites (HDM). Yet the relationship between mite sensitized components and respiratory allergies and asthma control remains poorly understood.</p><p><strong>Methods: </strong>A cohort of 96 children, either with allergic rhinitis (AR) or rhinitis with asthma syndrome (ARAS), was assessed. Protein microarray technology was deployed to quantify sIgE responses to the allergenic components of Der p and Der f.</p><p><strong>Results: </strong>The study cohort comprised 18 AR and 78 ARAS patients; with 43 mild and 53 moderate-to-severe AR; with 28 uncontrolled, 21 partially controlled, and 29 well-controlled asthma. Sensitization prevalence for HDM components was highest with Der p (97.9%), Der f 2 (97.9%), Der p 2 (94.8%), Der f 1(94.8%), Der p 1 (93.8%), Der p 23 (57.3%). Notably, sIgE concentrations for Der f and Der f 2 were significantly greater in the ARAS compared to AR (P < 0.05). While sIgE levels varied between mild and moderate-to-severe AR, the differences were not statistically significant (P > 0.05). However, Der p 23 sIgE levels demonstrated a significant fluctuation across the asthma control strata (P < 0.05), with the well-controlled group exhibiting the lowest readings.</p><p><strong>Conclusion: </strong>The sIgE levels to HDM allergens were higher in ARAS group compared to AR group, especially Der f and Der f 2, indicating an association between sIgE reactivity and the diagnosis of asthma. Reduced Der p 23 sIgE levels were indicative of enhanced asthma control.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"965-975"},"PeriodicalIF":3.7,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11468333/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142466161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Victoria S Benson, James Siddall, Adam Haq, Mark Small, Rafael Alfonso-Cristancho, Zhiliu Tang, Peter Howarth, Tao Ye, Anna Richards
{"title":"Disease Burden, Treatment Patterns and Asthma Control in Adult Patients with Asthma in China: A Real-World Study.","authors":"Victoria S Benson, James Siddall, Adam Haq, Mark Small, Rafael Alfonso-Cristancho, Zhiliu Tang, Peter Howarth, Tao Ye, Anna Richards","doi":"10.2147/JAA.S460300","DOIUrl":"10.2147/JAA.S460300","url":null,"abstract":"<p><strong>Purpose: </strong>To inform better asthma management in China, this study aimed to comprehensively investigate clinical characteristics, treatment patterns, asthma control status, exacerbations, and humanistic burden among adult patients seeking hospital-based asthma care by analyzing data from Adelphi Asthma Disease Specific Program conducted in China.</p><p><strong>Patients and methods: </strong>All information was collected on survey date (August-December 2018) from medical records, physicians, or patients, without follow-up being conducted. Results are summarized descriptively for the overall population as well as subgroups defined by GINA 2018 treatment step.</p><p><strong>Results: </strong>Of the included 765 patients, 46.0%, 40.4%, and 29.2% had undergone lung function, blood eosinophil count, and specific immunoglobulin E/radioallergosorbent testing, and 17.2%, 24.1%, and 58.7% were managed at GINA Steps 1-2, 3, and 4-5, respectively. Asthma was not well controlled in 57.3% of patients based on definitions adapted from the ERS/ATS and 10.7% of patients had experienced ≥1 severe exacerbation in the preceding year. According to patient self-reporting (n=603), the mean (SD) was 0.9 (0.1) for utility on EQ-5D-3L and was 7.8% (10.4%), 36.9% (20.0%), 40.8% (22.2%), and 37.9% (22.3%) for absenteeism, presenteeism, work productivity loss, and activity impairment, respectively, on WPAI. Both asthma control and humanistic burden worsened with progressive GINA treatment steps.</p><p><strong>Conclusion: </strong>In patients seeking hospital-based asthma care in China, lung function and biomarker tests were underutilized, impairment in productivity and quality of life was observed, and more than half did not achieve well-controlled asthma despite approximately 60% being managed at GINA treatment Steps 4-5. These findings highlight the urgent need for optimizing asthma management in China.</p>","PeriodicalId":15079,"journal":{"name":"Journal of Asthma and Allergy","volume":"17 ","pages":"949-964"},"PeriodicalIF":3.7,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451406/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142380917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}