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Dietz de Loos DAE, Segboer CL, Gevorgyan A, Fokkens WJ. Disease-specific quality-of-life questionnaires in rhinitis and rhinosinusitis: review and evaluation. Curr Allergy Asthma Rep 2013; 13:162-70. [PMID: 23299562 DOI: 10.1007/s11882-012-0334-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Quality of life (QoL) measurements are the best approximation of the burden of disease for the patient. Patient-reported outcome measurements (PROMs) estimate health-related quality of life (HRQoL). PROMs can be generic or disease-specific. Generic PROMs allow comparisons between different diseases but can be relatively insensitive for measuring changes within a disease. Recommended QoL questionnaires in allergic rhinitis and rhinoconjunctivitis are the RQLQ (or adapted versions), in chronic rhinosinusitis, the SNOT-22 or RSOM-31, and in acute rhinosinusitis, the modified SNOT-16. PROMs can be used both for daily clinical work and for research. In daily practice, a quick evaluation of the questionnaire directly indicates how the patient is doing. It makes sure that symptoms important for the patient are not overlooked and, during the consultation, the physician can elaborate on specific aspects of the symptomatology. It is important, especially in research, to realize that disease-specific questionnaires are only validated for specific diseases and are not automatically valid for other diseases.
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Affiliation(s)
- Dirk A E Dietz de Loos
- Department of Otorhinolaryngology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, Amsterdam, The Netherlands.
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Kronholm Diab K, Jönsson BAG, Axmon A, Nielsen J. Work-related airway symptoms, nasal reactivity and health-related quality of life in female hairdressers: a follow-up study during exposure. Int Arch Occup Environ Health 2012; 87:61-71. [PMID: 23263693 PMCID: PMC3880473 DOI: 10.1007/s00420-012-0835-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2012] [Accepted: 11/29/2012] [Indexed: 11/28/2022]
Abstract
Objectives Hairdressers often complain of work-related rhinitis (WR). They are infrequently sensitized to persulphates. The cause and mechanism of the symptoms and the effects on their health-related quality of life (HRQoL) remains unclear. The objectives were to follow female hairdressers with WR mainly from bleaching powder regarding nasal reactivity to persulphate and to evaluate symptoms, HRQoL and inflammatory markers in nasal lavage during a working period after vacation and compared with hairdressers without symptoms and pollen allergic women. Methods Skin prick tests to persulphate were performed in the hairdressers. Participants kept a diary of symptoms and of work tasks (hairdressers only). They completed HRQoL questionnaires. Eosinophil cationic protein (ECP) in nasal lavage fluid was examined. The symptomatic hairdressers performed nasal challenges with persulphate before and after the exposure. Results Skin prick tests were negative. Although the nasal reactivity to persulphate did not change a steady increase in nasal symptoms, especially blockage, and in ECP was noticed in the symptomatic hairdressers. The HRQoL deteriorated in the symptomatic hairdressers indicating an effect on their working situation and daily life. The atopics had more, but varying symptoms (itching, sneezing and secretion). Conclusions The difference in the clinical picture between the symptomatic hairdressers and the pollen allergic women, the increase in symptoms and ECP in the nasal lavage support the view that a sensitization to hairdresser chemicals by a mechanism not yet understood is operating. The deterioration of the HRQoL in the symptomatic hairdressers indicates a considerable effect on their life.
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Affiliation(s)
- K Kronholm Diab
- Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, 221 85, Lund, Sweden,
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Ameille J, Didier A, Serrano E, de Blay F, Vandenplas O, Coste A, Pujazon MC, Garnier R. Recommandations pour la prévention et la prise en charge de la rhinite allergique professionnelle. ARCH MAL PROF ENVIRO 2011. [DOI: 10.1016/j.admp.2011.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yuan HC, Wu KG, Chen CJ, Su SN, Shen HD, Chen YJ, Peng HJ. Mapping of IgE and IgG4 antibody-binding epitopes in Cyn d 1, the major allergen of Bermuda grass pollen. Int Arch Allergy Immunol 2011; 157:125-35. [PMID: 21985791 DOI: 10.1159/000327544] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Accepted: 03/04/2011] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Bermuda grass pollen (BGP) is an important seasonal aeroallergen worldwide which induces allergic disorders such as allergic rhinitis, conjunctivitis and asthma. Cyn d 1 is the major allergen of BGP. This study is aimed to map human IgE and IgG(4) antibody-binding sequential epitopes on Cyn d 1 by dot immunoblotting. METHODS Synthetic peptides (10-mers; 5 overlapping residues) spanning the full length of Cyn d 1 were used for dot immunoblotting to map human IgE and IgG(1-4) antibody-binding regions with sera from BGP-allergic patients. Synthetic peptides with more overlapping residues were used for further mapping. Essential amino acids in each epitope were examined by single amino acid substitution with alanine. Peptides with sequence polymorphism of epitopes of Cyn d 1 were also synthesized to extrapolate their differences in binding capability. RESULTS Four major IgE-binding epitopes (peptides 15(-1), 21, 33(-2) and 35(+1), corresponding to amino acids 70-79, 101-110, 159-167 and 172-181) and 5 major IgG(4)-binding epitopes (peptides 15(-1), 30(-2), 33(-2), 35(+1) and 39, corresponding to amino acids 70-79, 144-153, 159-167, 172-181 and 192-200) were identified. They are all located on the surface of the simulated Cyn d 1 molecule, and three of them are major epitopes for both IgE and IgG(4). Their critical amino acids were all characterized. Major epitopes for human IgG(1) to IgG(4) are almost identical. CONCLUSIONS This is the first study to map the sequential epitopes for human IgE and IgG(4) subclasses in Cyn d 1. It will be helpful for future development in immunotherapy and diagnosis.
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Affiliation(s)
- Han-Chih Yuan
- Children's Medical Center, Taipei Veterans General Hospital, Taipei, Taiwan
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Ameille J, Didier A, Serrano E, de Blay F, Vandenplas O, Coste A, Pujazon MC, Garnier R. [Recommendations for the prevention and management of occupational allergic rhinitis. Société franc¸aise de médecine du travail. Société de pneumologie de langue franc¸aise. Société franc¸aise d’allergologie. Société franc¸aise d’oto-rhino-laryngologie et de chirurgie de la face et du cou]. Rev Mal Respir 2011; 28:940-9. [PMID: 21943544 DOI: 10.1016/j.rmr.2011.06.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- J Ameille
- Unité de pathologie professionnelle, hôpital Raymond-Poincaré, AP-HP, 92380 Garches, France
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Baiardini I, Bousquet PJ, Brzoza Z, Canonica GW, Compalati E, Fiocchi A, Fokkens W, van Wijk RG, La Grutta S, Lombardi C, Maurer M, Pinto AM, Ridolo E, Senna GE, Terreehorst I, Bom AT, Bousquet J, Zuberbier T, Braido F. Recommendations for assessing patient-reported outcomes and health-related quality of life in clinical trials on allergy: a GA(2)LEN taskforce position paper. Allergy 2010; 65:290-5. [PMID: 19930232 DOI: 10.1111/j.1398-9995.2009.02263.x] [Citation(s) in RCA: 78] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The aim of this Global Allergy and Asthma European Network (GA(2)LEN) consensus report is to provide recommendations for patient-reported outcomes (PROs) evaluation in clinical trials for allergic diseases, which constitute a global health problem in terms of physical, psychological economic and social impact. During the last 40 years, PROs have gained large consideration and use in the scientific community, to gain a better understanding of patients' subjective assessment with respect to elements concerning their health condition. They include all health-related reports coming from the patient, without involvement or interpretation by physician or others. PROs assessment should be performed by validated tools (disease-specific tools when available or generic ones) selected taking into account the aim of the study, the expected intervention effects and the determinant and confounding factors or patient-related factors which could influence PROs. Moreover, each tool should be used exclusively in the patient population following the authors' indications without modification and performing a cross-cultural validation if the tool must be used in a language that differs from the original. The result analysis also suggests that the relevance of PROs results in any interventional study should include a pre-post assessment providing information concerning statistical differences within or among groups, rates of response for the PROs and a minimal important difference for the population. The report underlines the importance of further investigation on some topics, such as the quality assessment of existing PROs tools, the definition of inclusion and exclusion criteria and a more extensive evaluation of the correlation between PROs, besides health-related quality of life, and clinical data.
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Affiliation(s)
- I Baiardini
- Allergy & Respiratory Disease Clinic, Ospedale S.Martino Genova, Genova, Italy
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Rudenko M, Frew AJ. How important is it to include all epitopes in grass pollen extracts for specific immunotherapy? Clin Exp Allergy 2010; 40:365-7. [DOI: 10.1111/j.1365-2222.2009.03432.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Quality of life in children and adolescents with allergic rhinitis. Braz J Otorhinolaryngol 2009. [PMID: 19893929 PMCID: PMC9442187 DOI: 10.1016/s1808-8694(15)30511-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Petsios KT, Priftis KN, Tsoumakas C, Perperoglou A, Hatziagorou E, Tsanakas JN, Androulakis I, Matziou VN. Cough affects quality of life in asthmatic children aged 8-14 more than other asthma symptoms. Allergol Immunopathol (Madr) 2009; 37:80-8. [PMID: 19445864 DOI: 10.1016/s0301-0546(09)71109-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Asthma may influence children's health-related quality of life (QoL) differently by various symptoms, at different severity. The primary aim of this study was to evaluate the QoL in children with asthma and describe the impact of each asthma symptom on the child's well-being at different severity levels. MATERIAL AND METHODS Two hundred randomly selected children and one of their parents who consulted an outpatient asthma clinic, participated in the study. Qol was assessed with DISABKIDS-Smiley measure for children aged 4-7 years and with DISABKIDS DCGM-37 and Asthma Module for children 8-14 year old. RESULTS Most of the children suffered from mild or moderate persistent asthma. Children with uncontrolled asthma stated lower QoL compared to partly controlled or controlled in both age groups (p < 0.05 in all domains). Cough appeared to affect QoL of 8-14 year olds more than other symptoms, especially in girls. In younger children, sex (boys, p = 0.039), age (p = 0.045), proxy sex (father, p = 0.048), frequency of doctor visits (4-6 months, p = 0.001), use of beta-2 agonists (p = 0.007) and father's smoking habits (p = 0.015) were associated with the QoL of coughing children but no correlation between cough and QoL was detected. In the 8-14 year age group coughers reported lower QoL compared to their counterparts; moreover, cough was found to affect QoL more than other symptoms (p < 0.05 in all domains). CONCLUSIONS Cough has a direct effect on asthmatic children's QoL but there is still an obvious need for research to reveal all the determinats of this effect.
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Emanuel IA, Parker MJ, Traub O. Undertreatment of allergy: exploring the utility of sublingual immunotherapy. Otolaryngol Head Neck Surg 2009; 140:615-21. [PMID: 19393398 DOI: 10.1016/j.otohns.2009.01.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2008] [Revised: 01/06/2009] [Accepted: 01/15/2009] [Indexed: 10/20/2022]
Abstract
Allergic syndromes are highly prevalent and are comprised of a wide variety of clinical problems, including rhinitis, conjunctivitis, atopic dermatitis and urticaria, asthma, and food allergies. Numerous studies have shown that allergic syndromes are both underdiagnosed and undertreated. This is related to many factors, including trivialization of allergic conditions by physicians and patients, failure to adhere to diagnostic and treatment guidelines, and dissatisfaction with conventional pharmacologic treatments. Immunotherapy involves the administration of allergen extracts in an attempt to induce immunologic tolerance and has been used for the treatment of allergic syndromes and the prevention of long-term complications. Conventional subcutaneous immunotherapy is effective but is also associated with a risk of serious adverse events, requires administration by a trained health care professional, and is contraindicated in certain populations. By contrast, sublingual immunotherapy has been used extensively in Europe and possesses most of the benefits of subcutaneous immunotherapy along with increased safety, tolerability, and convenience. This narrative review explores data from selected clinical studies and concludes that sublingual immunotherapy may be well suited to fill the gap posed by the undertreatment of allergic syndromes in the United States.
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Affiliation(s)
- Ivor A Emanuel
- Department of Otolaryngology, University of California San Francisco, San Francisco, CA, USA.
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Moscato G, Vandenplas O, Van Wijk RG, Malo JL, Perfetti L, Quirce S, Walusiak J, Castano R, Pala G, Gautrin D, De Groot H, Folletti I, Yacoub MR, Siracusa A. EAACI position paper on occupational rhinitis. Respir Res 2009; 10:16. [PMID: 19257881 PMCID: PMC2654869 DOI: 10.1186/1465-9921-10-16] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2008] [Accepted: 03/03/2009] [Indexed: 01/15/2023] Open
Abstract
The present document is the result of a consensus reached by a panel of experts from European and non-European countries on Occupational Rhinitis (OR), a disease of emerging relevance which has received little attention in comparison to occupational asthma. The document covers the main items of OR including epidemiology, diagnosis, management, socio-economic impact, preventive strategies and medicolegal issues. An operational definition and classification of OR tailored on that of occupational asthma, as well as a diagnostic algorithm based on steps allowing for different levels of diagnostic evidence are proposed. The needs for future research are pointed out. Key messages are issued for each item.
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Affiliation(s)
- Gianna Moscato
- Allergy and Immunology Unit, Fondazione 'Salvatore Maugeri', Institute of Care and Research, Scientific Institute of Pavia, Pavia, Italy
| | - Olivier Vandenplas
- Service de Pneumologie, Cliniques de Mont-Godinne, Université Catholique de Louvain, Yvoir, Belgium
| | | | - Jean-Luc Malo
- Center for Asthma in the Workplace, Hôpital du Sacré-Coeur de Montréal, Centre de Recherche-Pneumologie, Montreal, Quebec, Canada
| | - Luca Perfetti
- Allergy and Immunology Unit, Fondazione 'Salvatore Maugeri', Institute of Care and Research, Scientific Institute of Pavia, Pavia, Italy
| | | | - Jolanta Walusiak
- Department of Occupational Diseases, Institute of Occupational Medicine, Lodz, Poland
| | - Roberto Castano
- Center for Asthma in the Workplace, Hôpital du Sacré-Coeur de Montréal, Centre de Recherche-Pneumologie, Montreal, Quebec, Canada
| | - Gianni Pala
- Allergy and Immunology Unit, Fondazione 'Salvatore Maugeri', Institute of Care and Research, Scientific Institute of Pavia, Pavia, Italy
| | - Denyse Gautrin
- Center for Asthma in the Workplace, Hôpital du Sacré-Coeur de Montréal, Centre de Recherche-Pneumologie, Montreal, Quebec, Canada
| | - Hans De Groot
- Department of Allergology, Erasmus MC, Rotterdam, The Netherlands
| | - Ilenia Folletti
- Occupational Medicine, Terni Hospital, University of Perugia, Perugia, Italy
| | - Mona Rita Yacoub
- Allergy and Immunology Unit, Fondazione 'Salvatore Maugeri', Institute of Care and Research, Scientific Institute of Pavia, Pavia, Italy
| | - Andrea Siracusa
- Occupational Medicine, Terni Hospital, University of Perugia, Perugia, Italy
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Tiwari R, Bhalla PL, Singh MB. Mapping of IgE-binding regions on recombinant Cyn d 1, a major allergen from Bermuda Grass Pollen (BGP). Clin Mol Allergy 2009; 7:3. [PMID: 19187539 PMCID: PMC2646682 DOI: 10.1186/1476-7961-7-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2008] [Accepted: 02/02/2009] [Indexed: 11/10/2022] Open
Abstract
Background Bermuda grass (Cynodon dactylon; subfamily Chloridoideae) is an important source of seasonal aeroallergens in warm tropical and sub-tropical areas worldwide. Improved approaches to diagnosis and therapy of allergic diseases require a thorough understanding of the structure and epitopes on the allergen molecule that are crucial for the antigen-antibody interaction. This study describes the localization of the human IgE-binding regions of the major group 1 pollen allergen Cyn d 1 from Bermuda grass. Methods A cDNA library was constructed from Bermuda grass pollen (BGP) using a Lambda gt11 expression vector. The gene encoding the Cyn d 1 allergen was isolated by screening the library with a mouse monoclonal antibody raised against grass group 1 allergen. In order to characterize the IgE epitopes on Cyn d 1, seven overlapping fragments and three deletion mutants were cloned and over-expressed in E. coli. The recombinant fragments and deletion mutants were evaluated for their comparative IgE reactivity with sera of non atopic individuals and grass pollen allergic patients by ELISA and a dot-blot assay. Results Analysis of IgE binding regions by overlapping fragments and deletion mutants identified two major allergenic regions corresponding to amino acids 120–170 and 224–244. Deletion of either or both regions led to a significant reduction in IgE binding, emphasizing the importance of the C-terminal region on Cyn d 1 in epitope-IgE interaction. Conclusion Anti-Cyn d 1 IgE antibodies from allergic human sera recognize two epitopes located at the C-terminal end of the molecule. These data will enable the design of improved diagnostic and therapeutic approaches for BGP hypersensitivity.
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Affiliation(s)
- Ruby Tiwari
- ARC Centre of Excellence for Integrative Legume Research, Faculty of Land and Food Resources, University of Melbourne, Parkville, Australia.
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Moscato G, Vandenplas O, Gerth Van Wijk R, Malo JL, Quirce S, Walusiak J, Castano R, De Groot H, Folletti I, Gautrin D, Yacoub MR, Perfetti L, Siracusa A. Occupational rhinitis. Allergy 2008; 63:969-80. [PMID: 18691299 DOI: 10.1111/j.1398-9995.2008.01801.x] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The present document is the result of a consensus reached by a panel of experts from European and nonEuropean countries on Occupational Rhinitis (OR), a disease of emerging relevance, which has received little attention in comparison to occupational asthma. The document covers the main items of OR including epidemiology, diagnosis, management, socio-economic impact, preventive strategies and medicolegal issues. An operational definition and classification of OR tailored to that of occupational asthma, as well as a diagnostic algorithm based on steps allowing different levels of diagnostic evidence, are proposed. The needs for future research are pointed out. Key messages are issued for each item.
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Modeling the impact of genetic screening technologies on healthcare: theoretical model for asthma in children. Mol Diagn Ther 2008; 11:313-23. [PMID: 17963419 DOI: 10.1007/bf03256252] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
BACKGROUND AND OBJECTIVE This study focuses on the potential impact of genetic screening technologies on healthcare. Genetic screening for asthma in children was chosen as a case study to explore the cost effectiveness of applying early genetic screening to infants, and preventive treatment to the population at risk. Early intervention could prevent progression and facilitate clinical management of the disease. From the elite group of genetic markers that have been associated with asthma-related phenotypes, ADAM33 was the first published candidate gene detected by a positional cloning approach, marking the entry of asthma research into the genomic era. The model was, therefore, initially set for an ex ante analysis of the cost effectiveness of applying the preventive program to an infant population at risk, i.e. infants presenting wheezing episodes during the first year of life, and the ADAM33 ST+7 genetic marker, with the idea of expanding to further markers and their combinations lat a later date. METHODS In accordance with the US National Heart, Lung, and Blood Institute, four categories of asthma were considered. A Markov model was constructed, consisting of six mutually exclusive disease states (including healthy and dead states) with a simulation horizon of 100 years and a cycle length of 1 year. We define a scenario where early genetic screening was applied to infants presenting wheezing episodes during the first year of life and a preventive treatment to those children within this group who tested positive for selected ADAM33 polymorphism (ST+7). The cost-effectiveness analysis was performed from the third-party payer and patient perspective after year 6. We applied our model to a hypothetical cohort of 100 European infants. RESULTS The number of quality-adjusted life-years (QALYs) gained during the 6 years was 1.483, and the incremental cost-effectiveness ratio per QALY gained was euro 10,100/QALY. A sensitivity analysis was carried out that varied the discount rate and cost of genetic testing, and considered two different transition matrices for the preventive program. Three main conclusions were drawn from the sensitivity analysis. Firstly, if the discount rate for both cost and health outcomes is increased by 2%, the cost effectiveness of the preventive program does not vary significantly. Discounting costs and benefits at 5%, the preventive program appears cost effective (euro 11,100/QALY). Secondly, if the cost of genetic testing is increased to euro 100, the cost effectiveness of the preventive program remains within the limits of cost effectiveness. Thirdly, the cost of genetic screening, together with transition probabilities between health states, will determine the cost effectiveness of applying a preventive program based on genetic information. CONCLUSIONS Preventive treatment based on an early genetic screening of those children who present wheezing episodes during the first year of life, with treatment applied to those who test positive for the asthma-associated genetic marker ADAM33 ST+7, is theoretically cost effective. The model is a valuable tool for the ex ante assessment of the cost effectiveness of preventive schemes based on genetic screening. The value of modeling prior to clinical trials lies in informing study design and setting priorities for future research.
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Bhalla PL, Singh MB. Biotechnology-based allergy diagnosis and vaccination. Trends Biotechnol 2008; 26:153-61. [PMID: 18222557 DOI: 10.1016/j.tibtech.2007.11.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2007] [Revised: 11/21/2007] [Accepted: 11/21/2007] [Indexed: 10/22/2022]
Abstract
The diagnosis and immunotherapy currently applied to allergic diseases involve the use of crude extracts of the allergen source without defining the allergy-eliciting molecule(s). Advances in recombinant DNA technology have made identification, cloning, expression and epitope mapping of clinically significant allergens possible. Recombinant allergens that retain the immunological features of natural allergens form the basis of accurate protein-chip-based methods for diagnosing allergic conditions. The ability to produce rationally designed hypoallergenic forms of allergens is leading to the development of novel and safe forms of allergy vaccines with improved efficacy. The initial clinical tests on recombinant-allergen-based vaccine preparations have provided positive results, and ongoing developments in areas such as alternative routes of vaccine delivery will enhance patient compliance.
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Affiliation(s)
- Prem L Bhalla
- Plant Molecular Biology and Biotechnology Laboratory, Australian Research Council Centre of Excellence for Integrative Legume Research, Faculty of Land and Food Resources, The University of Melbourne, Parkville, Victoria, Australia.
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van Oene CM, van Reij EJF, Sprangers MAG, Fokkens WJ. Quality-assessment of disease-specific quality of life questionnaires for rhinitis and rhinosinusitis: a systematic review. Allergy 2007; 62:1359-71. [PMID: 17983371 DOI: 10.1111/j.1398-9995.2007.01482.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The aim of this systematic review was to give a quality-assessed review of the existing disease-specific health related quality of life (QOL) questionnaires concerning rhinitis and rhinosinusitis for adults. The quality is assessed by defining the characteristics of a QOL questionnaire with assessment criteria. The results of the construction, description, feasibility, and the psychometric performance of the instruments are provided. We finally provide a clinician's guide to choose a questionnaire based on the measurement goals, the discriminant validity, responsiveness and the points obtained in the quality assessment. Of the top scoring instruments regarding the overall quality assessment, only four health related QOL questionnaires for rhinitis and rhinosinusitis met our criteria for the discriminant validity and responsiveness.
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Affiliation(s)
- C M van Oene
- Department of ENT, Academic Medical Centre, Amsterdam, The Netherlands
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Behrmann J. Looking ahead at the potential benefits of biotechnology-derived allergen therapeutics. Clin Mol Allergy 2007; 5:3. [PMID: 17608954 PMCID: PMC1929119 DOI: 10.1186/1476-7961-5-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2007] [Accepted: 07/04/2007] [Indexed: 11/10/2022] Open
Abstract
While biotechnology-derived allergen therapeutics show promise in improving the safety of immunotherapy, they may prove to have additional benefits in comparison to conventional allergenic extracts that deserve commentary. These issues range from product stability and compatibility to medical practice issues, which will be the focus of this article.
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Affiliation(s)
- Jason Behrmann
- Programmes de bioéthique, Université de Montréal, C.P. 6128, succursale centre-ville, Montréal, Québec, H3C 3J7, Canada.
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Baiardini I, Braido F, Brandi S, Canonica GW. Allergic diseases and their impact on quality of life. Ann Allergy Asthma Immunol 2006; 97:419-28; quiz 429-30, 476. [PMID: 17069092 DOI: 10.1016/s1081-1206(10)60928-3] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To review the results of studies that have evaluated the impact of allergic diseases on patients' health-related quality of life (HRQL). DATA SOURCES We performed a MEDLINE search of the literature published between January 1990 and May 2006 (English language only) on HRQL and allergic diseases. STUDY SELECTION Representative studies that used validated questionnaires that assessed the effect of allergic diseases on HRQL were selected for inclusion in this review. RESULTS Allergic diseases can deeply interfere with patients' HRQL, with detrimental effects on the physical, psychological, and social dimensions of life. Numerous validated questionnaires that are now available can easily be adopted; most of them are specifically developed for rhinitis and asthma. CONCLUSIONS HRQL has become an increasingly important aspect in outcome evaluation in health care research, providing a more comprehensive approach to the patient and proving that nowadays we cannot renounce this tool. Most of the studies evaluate patients with respiratory allergy. Further studies are needed to explore HRQL in other allergic conditions (urticaria, food allergy, sting allergy, drug allergy) by means of specific, validated questionnaires.
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Affiliation(s)
- Ilaria Baiardini
- Allergy and Respiratory Diseases, DIMI, Genoa University, Genoa, Italy
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Abstract
Sleep is fundamental for physical and mental health as well as daytime performance and represents a crucial aspect in the personal representations of well-being. Sleep disturbances in patients with chronic disorders constitute a factor that contributes to exacerbate symptoms, complicate management, and affect mood and quality of life (QoL). Allergic diseases are a global health problem of increasing prevalence that affects up to 15% of the population in Western countries. Sleep problems associated with allergic diseases may play a role in worsening the burden of illness, contributing to impairment of the QoL. The aim of this review was to describe the most common causes leading to sleep disturbance in allergic patients and their consequences on the QoL. The possible negative effects of treatment on sleep parameters has been also considered.
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Affiliation(s)
- I Baiardini
- Allergy and Respiratory Diseases, DIMI, Genoa University, Genoa, Italy
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20
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Maksimović N, Janković S, Tomić-Spirić V, Marinković J. [Health-related quality of life assessment in patients with allergic rhinitis]. SRP ARK CELOK LEK 2006; 133:223-8. [PMID: 16392276 DOI: 10.2298/sarh0506223m] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Allergic rhinitis is a chronic inflammatory disease of the airways, which can interfere with many aspects of an individual's life and severely diminish the quality of life of the person affected. The objective of this study was to assess the quality of life of patients suffering from allergic rhinitis during and out of pollen season. The study involved 100 patients diagnosed with allergic rhinitis, 48 of who had seasonal, 25 perennial, and 27 who manifested both forms of allergic rhinitis. All study participants were treated at the Institute of Allergology and Immunology, Clinical Centre of Serbia, Belgrade, in the period March-November 2002. A specific quality of life questionnaire for patients with rhinoconjunctivitis was used in the study. During pollen season, itchy eyes (chi2 = 6.34; p = 0.042), red eyes (chi2 = 7.44; p = 0.024), and swollen eyes (chi2 = 6.65; p = 0.036) caused significantly more difficulties for subjects with seasonal and those with both seasonal and perennial rhinitis than for subjects with perennial allergic rhinitis. A highly significant difference in the mean scores of the indoors activity variable during and out of pollen season (F = 347.28; p = 0.000) was noted, that is to say, significant irritation was noted during pollen season among subjects with seasonal and those with both seasonal and perennial allergic rhinitis, however the dynamics of irritation remained the same in both study groups (F = 0.145; p = 0.704). The patients with seasonal and those with both seasonal and perennial allergic rhinitis experienced a significantly poorer quality of life during pollen season than out of it, as well as an inferior quality of life in comparison to patients with perennial allergic rhinitis during pollen season.
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Affiliation(s)
- Natasa Maksimović
- Institute of Epidemiology, School of Medicine, University of Belgrade.
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Maksimoviść N, Tomic-Spirić V, Janković S, Bogić M. [Quality of life in patients with allergic rhinitis and bronchial asthma]. VOJNOSANIT PREGL 2005; 62:301-6. [PMID: 15889595 DOI: 10.2298/vsp0504301m] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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22
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Cirillo I, Vizzaccaro A, Klersy C, Baiardini I, Marseglia GL, Canonica GW, Tosca MA, Ciprandi G. Quality of life and polysensitization in young men with intermittent asthma. Ann Allergy Asthma Immunol 2005; 94:640-3. [PMID: 15984595 DOI: 10.1016/s1081-1206(10)61321-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Health-related quality of life (HRQoL) represents an important variable in asthma management. To date, to our knowledge, no study has explored the relationship between HRQoL and sensitization in patients with asthma. OBJECTIVE To evaluate the relationships among HRQoL and sensitization, pulmonary function, and bronchial hyperreactivity in a group of young men with intermittent asthma. METHODS We studied 185 conscripts with intermittent asthma and bronchial hyperreactivity. The Asthma Quality of Life Questionnaire was used. Skin prick testing, spirometry, and methacholine challenge were performed in all participants. RESULTS The Asthma Quality of Life Questionnaire median scores were greater than 4, indicating suboptimal HRQoL. Polysensitization was significantly associated with the worst HRQoL, whereas pulmonary function and bronchial hyperreactivity category were not. CONCLUSIONS This study provides the first evidence that HRQoL is associated with polysensitization in intermittent asthma and underlines the importance of evaluating this issue when managing young patients with slight respiratory symptoms.
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Affiliation(s)
- Ignazio Cirillo
- Dipartimento di Medicina, Ospedale Marina Militare, La Spezia, Italy
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23
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Alobid I, Benítez P, Bernal-Sprekelsen M, Guilemany JM, Picado C, Mullol J. The impact of asthma and aspirin sensitivity on quality of life of patients with nasal polyposis. Qual Life Res 2005; 14:789-93. [PMID: 16022071 DOI: 10.1007/s11136-004-1597-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Nasal polyposis is not a life-threatening disease but may have a great impact on patient's quality of life. OBJECTIVE To investigate the impact of nasal polyps on quality of life compared with the Spanish general population using the SF-36 questionnaire; and to evaluate the impact of asthma and aspirin sensitivity on quality of life in patients with nasal polyposis. METHODS We included 130 patients with nasal polyposis and evaluated nasal symptom, CT scan, polyp size, and quality of life. RESULTS In comparison with the Spanish general population, patients with nasal polyposis had worse scores on all SF-36 domains except for physical functioning. Asthmatic patients with nasal polyposis had worse quality of life than nonasthmatic patients on role physical, body pain, and vitality (p < 0.05). The authors found no significant differences on quality of life, nasal symptoms, polyp size, and CT scan scores between patients with aspirin-tolerant and aspirin-sensitive asthma. CONCLUSION These results suggest that nasal polyposis has a considerable impact on quality of life. Moreover, asthma but not aspirin sensitivity has an additional negative impact on the quality of life of patients with nasal polyposis.
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Affiliation(s)
- Isam Alobid
- Rhinology Unit, Department of Otorhinolaryngology (ICEMEQ), University of Barcelona, Spain
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24
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Baiardini I, Fumagalli F, Braido F, Pasquali M, Canonica GW. Antiallergic drugs and quality of life. Expert Rev Pharmacoecon Outcomes Res 2005; 5:437-45. [PMID: 19807261 DOI: 10.1586/14737167.5.4.437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Allergic diseases represent a global health problem with a substantial impact on medical costs and socioeconomic outcomes. Furthermore, as well documented in the recent literature, these pathologies also have negative consequences on the functional, emotional and psychosocial aspects of daily life. Using validated and standardized tools, it is possible to evaluate individual outcomes. At present, the health-related quality of life parameter is used in clinical trials, population studies and public health, providing a comprehensive picture of both the disease and its treatment on the quality of life. While many studies have addressed this topic in respiratory allergy, further studies are needed to explore the use of health-related quality of life both before and after treatment in other allergic conditions such as dermatitis, eczema, urticaria and food allergy.
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Affiliation(s)
- Ilaria Baiardini
- Allergy and Respiratory Diseases, DIMI, University of Genoa, Pad. Maragliano, L.go R. Benzi 10, 16132 Genoa, Italy.
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Okuda M, Ohkubo K, Goto M, Okamoto H, Konno A, Baba K, Ogino S, Enomoto M, Imai T, So N, Ishikawa Y, Takenaka Y, Manndai T, Crawford B. Comparative study of two Japanese rhinoconjunctivitis quality-of-life questionnaires. Acta Otolaryngol 2005; 125:736-44. [PMID: 16012036 DOI: 10.1080/00016480510026944] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
CONCLUSION Two questionnaires were used to assess quality of life (QOL) in allergic rhinitis: the Japanese translation of the Rhino-conjunctivitis Quality of Life Questionnaire (RQLQJ) and an original Japanese QOL questionnaire (JRQLQ). Either questionnaire may be used to assess QOL depending on differences in target domains. OBJECTIVES Although pollinosis is a common disease which has a major impact on patient QOL, no internationally standardized questionnaire has been available in Japan until now. The aim of this study was to compare two currently available QOL questionnaires for allergic rhinitis in Japan-the RQLQJ and JRQLQ-in terms of their appropriateness for clinical use and their psychometric properties. MATERIAL AND METHODS A multicenter, inter-group, cross-sectional study was conducted in 187 adult symptomatic patients with Japanese cedar pollinosis in 2003. Patient scores on the two questionnaires were compared in terms of both overall and comparable domains. We also examined the acceptability, construct and reliability of both questionnaires. RESULTS The questionnaires were highly correlated in terms of both overall and comparable domain scores. In addition, both questionnaires had equal and satisfactory psychometric validity, demonstrating that they are both useful tools for assessing QOL in rhinitis. However, when compared with each other, the JRQLQ focuses mainly on activities of daily life and is simpler, while the RQLQJ focuses mainly on rhinitis-related health and is more responsive.
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Affiliation(s)
- M Okuda
- Nippon Medical School, Tokyo, Japan.
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27
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Alobid I, Benítez P, Bernal-Sprekelsen M, Roca J, Alonso J, Picado C, Mullol J. Nasal polyposis and its impact on quality of life: comparison between the effects of medical and surgical treatments. Allergy 2005; 60:452-8. [PMID: 15727575 DOI: 10.1111/j.1398-9995.2005.00725.x] [Citation(s) in RCA: 132] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Nasal polyposis (NP) is not a life-threatening disorder but may have a great impact on the quality of life (QoL). The objective of this study: (i) to investigate the health burden incurred by NP compared with the Spanish general population using the Short Form-36 Health Survey (SF-36) questionnaire; (ii) to compare the QoL outcome after medical or surgical treatment; and (iii) to assess and compare the effect of medical and surgical treatment on nasal symptoms. METHODS About 109 patients with nasal polyps were included. Fifty-three patients were randomly allocated to receive oral prednisone for 2 weeks and 56 to undergo endoscopic sinus surgery. All patients administered intranasal budesonide for 12 months. Patients were evaluated for nasal symptoms, polyp size, and QoL. RESULTS In comparison with the Spanish general population, patients with NP had worse scores on all SF-36 domains except for physical functioning. Nonasthmatic patients with NP had better QoL than asthmatic patients with NP on role physical functioning, body pain, and vitality (P <0.05). At 6 and 12 months, a significant improvement on all of SF-36 domains was observed after both medical and surgical treatment reaching the levels of general population (P <0.05). Nasal symptoms and polyp size improved after both medical and surgical treatment at 6 and 12 months (P <0.05). CONCLUSION These results suggest that NP has considerable impact on a patient's QoL and that both medical and surgical treatment led to similar effects in improving QoL.
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Affiliation(s)
- I Alobid
- Department of Otorhinolaryngology, Rhinology Unit, Hospital Clínic, University of Barcelona, Barcelona, Spain
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Abstract
PURPOSE OF REVIEW The recent literature on types, development, validation, indications, and limitations of quality of life scales in allergic rhinitis is reviewed. This review does not report clinical trials that included quality of life as an outcome. RECENT FINDINGS Today, quality of life measurement is standard in allergic rhinitis. Different disease-specific and generic questionnaires are very well validated and established. Recent research concerns the development or adaptation of questionnaires for specific purposes or populations. Other research focuses on the registration of concomitant illnesses, especially of asthma, taking the model of rhinitis and asthma as 'one airway disease' into account. Recently, the first questionnaire for rhinitis and asthma was presented. Furthermore, attempts have been made to improve the registration of other local or systemic concomitant illnesses, the sensitivity to rapid changes in the patient's condition, and the objectivity of quality of life scales. SUMMARY Allergic rhinitis is associated with significant impairments of quality of life. Disease-specific quality of life scales offer a better registration of changes in disease-related problems, whereas generic scales allow for a comparison between different disorders and patient populations. Different versions of quality of life scales have been validated for different purposes. Careful selection of quality of life scales is becoming more and more important. The registration of comorbid conditions and of psychological factors influencing quality of life measurement remains a central problem. For research, the combination of disease-specific and generic quality of life scales may offer new perspectives; for clinical use, patient-friendly scales should be used.
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Affiliation(s)
- Bernd Kremer
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty of University of Maastricht, The Netherlands.
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Bousquet J, Warner JO. Allergy and Pediatric Allergy and Immunology are the official organs of the European Academy of Allergology and Clinical Immunology. Allergy 2004; 59:1333-8. [PMID: 15507103 DOI: 10.1111/j.1398-9995.2004.00766.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Abstract
PURPOSE OF REVIEW Specific immunotherapy is a clinically effective causative treatment for allergic conditions. However, the reagents used for immunotherapy are crude extracts prepared from natural sources with potential life-threatening anaphylactic side effects. Molecular cloning of allergens has made it feasible to design novel therapeutic approaches for improved and safer forms of allergen-specific immunotherapy. The purpose of this review is to examine recent advances made in the last 2 years in genetic engineering of allergens for specific immunotherapy. RECENT FINDINGS Genetic engineering of allergen with nil or low IgE reactivity but retained T-cell reactivity offers a novel therapeutic approach to improving safety and efficacy of allergen-specific immunotherapy. Hypoallergenic forms of major allergens have been produced, with reduced IgE epitopes while preserving other characteristics of the molecule to induce a protective response. SUMMARY Hypoallergenic forms of major allergens are potential candidates for allergen-specific immunotherapy in the future. These genetically engineered hypoallergens now need to be tested in clinical trials before being widely used. Safer and more efficacious vaccines would increase patient compliance leading to extensive use of immunotherapy.
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Affiliation(s)
- Prem L Bhalla
- Plant Molecular Biology and Biotechnology Laboratory, Australian Research Council Centre of Excellence for Integrative Legume Research, Institute of Land and Food Resources, The University of Melbourne, Parkville, Victoria, Australia.
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Warner JO, Bousquet J. Allergy and Pediatric Allergy and Immunology are the official organs of the European Academy of Allergology and Clinical Immunology. Pediatr Allergy Immunol 2004; 15:479-84. [PMID: 15610359 DOI: 10.1111/j.1399-3038.2004.00235.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Vignola AM, Humbert M, Bousquet J, Boulet LP, Hedgecock S, Blogg M, Fox H, Surrey K. Efficacy and tolerability of anti-immunoglobulin E therapy with omalizumab in patients with concomitant allergic asthma and persistent allergic rhinitis: SOLAR. Allergy 2004; 59:709-17. [PMID: 15180757 DOI: 10.1111/j.1398-9995.2004.00550.x] [Citation(s) in RCA: 274] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Anti-IgE therapy could be particularly beneficial for patients with concomitant disease as it targets a common factor in both diseases. The aim of this study was to evaluate the efficacy and safety of omalizumab in patients with concomitant moderate-to-severe asthma and persistent allergic rhinitis. METHODS This multicentre, randomized, double-blind, parallel-group, placebo-controlled trial evaluated the safety and efficacy of omalizumab. A total of 405 patients (12-74 years) with a stable treatment (>/= 400 microg budesonide Turbuhaler) and >/= 2 unscheduled medical visits for asthma during the past year or >/= 3 during the past 2 years were enrolled. Patients received omalizumab (>/= 0.016 mg/kg/IgE [IU/ml] per 4 weeks) or placebo for 28 weeks. RESULTS Fewer patients treated with omalizumab experienced asthma exacerbations (20.6%) than placebo-treated patients (30.1%), P = 0.02. A clinically significant (>/= 1.0 point) improvement in both Asthma Quality of Life Questionnaire and Rhinitis Quality of Life Questionnaire occurred in 57.7% of omalizumab patients compared with 40.6% of placebo patients (P < 0.001). Omalizumab reduced Wasserfallen symptom scores for asthma (P = 0.023), rhinitis (P < 0.001) and the composite asthma/rhinitis scores (P < 0.001) compared with placebo. Serious adverse events were observed in 1.4% of omalizumab-treated patients and 1.5% of placebo-treated patients. CONCLUSION Omalizumab is well tolerated and effective in preventing asthma exacerbations and improving quality of life in patients with concomitant asthma and persistent allergic rhinitis.
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MESH Headings
- Adolescent
- Adult
- Aged
- Anti-Allergic Agents/adverse effects
- Anti-Allergic Agents/therapeutic use
- Anti-Asthmatic Agents/adverse effects
- Anti-Asthmatic Agents/therapeutic use
- Antibodies, Anti-Idiotypic/adverse effects
- Antibodies, Anti-Idiotypic/therapeutic use
- Antibodies, Monoclonal/adverse effects
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Asthma/complications
- Asthma/drug therapy
- Asthma/immunology
- Child
- Double-Blind Method
- Female
- Humans
- Immunoglobulin E/immunology
- Male
- Middle Aged
- Omalizumab
- Quality of Life
- Rhinitis, Allergic, Perennial/complications
- Rhinitis, Allergic, Perennial/drug therapy
- Rhinitis, Allergic, Perennial/immunology
- Surveys and Questionnaires
- Treatment Outcome
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Affiliation(s)
- A M Vignola
- Institute of Internal Medicine Pneumology, University of Palermo, Palermo, Italy
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Bousquet J, Ansotegui IJ, van Ree R, Burney PG, Zuberbier T, van Cauwenberge P. European Union meets the challenge of the growing importance of allergy and asthma in Europe. Allergy 2004; 59:1-4. [PMID: 14674926 DOI: 10.1111/j.1398-9995.2004.00425.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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