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Kappen J, Diamant Z, Agache I, Bonini M, Bousquet J, Canonica GW, Durham SR, Guibas GV, Hamelmann E, Jutel M, Papadopoulos NG, Roberts G, Shamji MH, Zieglmayer P, Gerth van Wijk R, Pfaar O. Standardization of clinical outcomes used in allergen immunotherapy in allergic asthma: An EAACI position paper. Allergy 2023; 78:2835-2850. [PMID: 37449468 DOI: 10.1111/all.15817] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/17/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023]
Abstract
INTRODUCTION In allergic asthma patients, one of the more common phenotypes might benefit from allergen immunotherapy (AIT) as add-on intervention to pharmacological treatment. AIT is a treatment with disease-modifying modalities, the evidence for efficacy is based on controlled clinical trials following standardized endpoint measures. However, so far there is a lack of a consensus for asthma endpoints in AIT trials. The aim of a task force (TF) of the European Academy of Allergy and Clinical Immunology (EAACI) is evaluating several outcome measures for AIT in allergic asthma. METHODS The following domains of outcome measures in asthmatic patients have been evaluated for this position paper (PP): (i) exacerbation rate, (ii) lung function, (iii) ICS withdrawal, (iv) symptoms and rescue medication use, (v) questionnaires (PROMS), (vi) bronchial/nasal provocation, (vii) allergen exposure chambers (AEC) and (viii) biomarkers. RESULTS Exacerbation rate can be used as a reliable objective primary outcome; however, there is limited evidence due to different definitions of exacerbation. The time after ICS withdrawal to first exacerbation is considered a primary outcome measure. Besides, the advantages and disadvantages and clinical implications of further domains of asthma endpoints in AIT trials are elaborated in this PP. CONCLUSION This EAACI-PP aims to highlight important aspects of current asthma measures by critically evaluating their applicability for controlled trials of AIT.
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Affiliation(s)
- Jasper Kappen
- Department of Pulmonology, STZ Centre of Excellence for Asthma, COPD and Respiratory Allergy, Franciscus Gasthuis & Vlietland, Rotterdam, The Netherlands
- Department of National Heart and Lung Institute, Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Imperial College London, London, UK
| | - Zuzana Diamant
- Departmentt of Microbiology Immunology & Transplantation, KU Leuven, Catholic University of Leuven, Leuven, Belgium
- Department of Respiratory Medicine & Allergology, Institute for Clinical Science, Skane University Hospital, Lund University, Lund, Sweden
- Department of Clinical Pharmacy & Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- Department of Respiratory Medicine, First Faculty of Medicine, Charles University and Thomayer Hospital, Prague, Czech Republic
| | | | - Matteo Bonini
- Department of National Heart and Lung Institute, Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Imperial College London, London, UK
- Department of Cardiovascular and Thoracic Sciences, Università Cattolica del Sacro Cuore, Rome, Italy
- Department of Clinical and Surgical Sciences, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy
| | - Jean Bousquet
- Charite Universitatsmedizin Berlin Campus Berlin Buch, MASK-air, Montpellier, France
| | - G Walter Canonica
- Personalized Medicine Asthma & Allergy Clinic Humanitas University & Research Hospital-IRCCS, Milan, Italy
| | - Stephen R Durham
- Department of National Heart and Lung Institute, Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Imperial College London, London, UK
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK
| | - George V Guibas
- Department of Allergy and Clinical Immunology, Royal Preston Hospital, Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK
- School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, UK
| | - Eckard Hamelmann
- Children's Center Bethel, University Hospital Bielefeld, University Bielefeld, Bielefeld, Germany
| | - Marek Jutel
- Department of Clinical Immunology, Wroclaw Medical University, Wroclaw, Poland
- ALL-MED Medical Research Institute, Wroclaw, Poland
| | | | - Graham Roberts
- The David Hide Asthma and Allergy Research Centre, St Mary's Hospital, Newport, UK
- NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- Paediatric Allergy and Respiratory Medicine (MP803), Clinical & Experimental Sciences & Human Development in Health Academic Units University of Southampton Faculty of Medicine & University Hospital Southampton, Southampton, UK
| | - Mohamed H Shamji
- Department of National Heart and Lung Institute, Immunomodulation and Tolerance Group, Allergy and Clinical Immunology, Imperial College London, London, UK
- MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK
| | - Petra Zieglmayer
- Karl Landsteiner University, Competence Center for Allergology and Immunology, Krems, Austria
| | - Roy Gerth van Wijk
- Section of Allergology, Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Oliver Pfaar
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Rhinology and Allergy, University Hospital Marburg, Philipps-Universität Marburg, Marburg, Germany
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Tepetam FM, Örçen C, Özşeker ZF, Duman D, Saraç S. Can development of asthma and bronchial hyperreactivity be reduced by subcutaneous immunotherapy in adult patients with allergic rhinitis? Turk J Med Sci 2023; 53:803-813. [PMID: 37476897 PMCID: PMC10387867 DOI: 10.55730/1300-0144.5643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 06/12/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND Allergic rhinitis can be associated with bronchial hyperreactivity (BHR) and create an increased risk for allergic asthma development. We aimed to investigate the effects of subcutaneous immunotherapy (SCIT) on BHR and asthma development in adult patients with allergic rhinitis. METHODS The retrospective case-control study was carried out between November 2018 and May 2019 in Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital. In this study, data was recorded for patients with a mite and/or grasses/cereals pollen allergy who were tested for BHR before planned SCIT, and who had allergic rhinitis, with or without asthma. The SCIT group was selected as those who received SCIT for at least one year. The control group was selected from those who were scheduled to receive SCIT but were waived and still receiving medication. Symptom scores, prick test results, PC20 levels (methacholine challenge that is a provocative concentration causing a 20% fall in FEV1), and the presence of asthma were recorded and compared with data from at least one year after treatment. RESULTS A total of sixty-eight subjects (22 males, 46 females; mean age 40.54 ± 12.27 years; SCIT: 40, Control: 28) were enrolled.Although the changes in log PC20 levels were not statistically significant in both SCIT and control groups after an average of 30-35 months of treatment, it was found to be significant in favor of the SCIT group when two groups were compared in terms of the change in log PC20 (p = 0.026). The development and improvement of asthma were not significantly different between the SCIT and control group but tended to increase in the control group. The percentage of patients with progressed/BHR was significantly higher in the controls (70.6% vs. 38.1%, p = 0.046). DISCUSSION In our real life study we have demonstrated the preventative effect of SCIT on BHR, but not on asthma developmen.
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Affiliation(s)
- Fatma Merve Tepetam
- Department of Immunology and Allergy, Hamidiye Faculty of Medicine, University of Health Sciences, Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital, İstanbul, Turkey
| | - Cihan Örçen
- Derince Training and Research Hospital, Kocaeli, Turkey
| | - Zeynep Ferhan Özşeker
- Department of Immunology and Allergy, Cerrahpaşa Faculty of Medicine, İstanbul University, İstanbul, Turkey
| | - Dildar Duman
- Department of Pulmonology, Hamidiye Faculty of Medicine, University of Health Sciences, Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital, İstanbul, Turkey
| | - Sema Saraç
- Department of Pulmonology, Hamidiye Faculty of Medicine, University of Health Sciences, Süreyyapaşa Chest Diseases and Thoracic Surgery Training and Research Hospital, İstanbul, Turkey
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3
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Tackling the cytokine storm using advanced drug delivery in allergic airway disease. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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Ahmad A. Pharmacological Strategies and Recent Advancement in Nano-Drug Delivery for Targeting Asthma. Life (Basel) 2022; 12:life12040596. [PMID: 35455087 PMCID: PMC9032250 DOI: 10.3390/life12040596] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 04/08/2022] [Accepted: 04/15/2022] [Indexed: 12/22/2022] Open
Abstract
With a high prevalence globally, asthma is a severe hazard to human health, as well as an economic and social burden. There are now novel therapies available for asthma with the use of nanotechnology. Recent developments in nanoscience and medicine have encouraged the creation of inhalable nanomedicines that can enhance the efficacy, patient compliance, and life quality for sufferers of asthma. Nanocarriers for asthma therapy, including liposomes, micelles, polymers, dendrimers, and inorganics, are presented in depth in this study as well as the current research status of these nanocarriers. Aerosolized nanomaterial-based drug transport systems are currently being developed, and some examples of these systems, as well as prospective future paths, are discussed. New research subjects include nano-modification of medicines and the development of innovative nano-drugs. Clinical experiments have proven that nanocarriers are both safe and effective. Before nanotherapy can be applied in clinical practice, several obstacles must be addressed. We look at some of the most recent research discoveries in the subject of nanotechnology and asthma therapy in this article.
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Affiliation(s)
- Aftab Ahmad
- Health Information Technology Department, Faculty of Applied Studies, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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5
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Allergen Immunotherapy: Current and Future Trends. Cells 2022; 11:cells11020212. [PMID: 35053328 PMCID: PMC8774202 DOI: 10.3390/cells11020212] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 02/06/2023] Open
Abstract
Allergen immunotherapy (AIT) is the sole disease-modifying treatment for allergic rhinitis; it prevents rhinitis from progressing to asthma and lowers medication use. AIT against mites, insect venom, and certain kinds of pollen is effective. The mechanism of action of AIT is based on inducing immunological tolerance characterized by increased IL-10, TGF-β, and IgG4 levels and Treg cell counts. However, AIT requires prolonged schemes of administration and is sometimes associated with adverse reactions. Over the last decade, novel forms of AIT have been developed, focused on better allergen identification, structural modifications to preserve epitopes for B or T cells, post-traductional alteration through chemical processes, and the addition of adjuvants. These modified allergens induce clinical-immunological effects similar to those mentioned above, increasing the tolerance to other related allergens but with fewer side effects. Clinical studies have shown that molecular AIT is efficient in treating grass and birch allergies. This article reviews the possibility of a new AIT to improve the treatment of allergic illness.
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Bhardwaj P, Bhatia E, Sharma S, Ahamad N, Banerjee R. Advancements in prophylactic and therapeutic nanovaccines. Acta Biomater 2020; 108:1-21. [PMID: 32268235 PMCID: PMC7163188 DOI: 10.1016/j.actbio.2020.03.020] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/13/2020] [Accepted: 03/17/2020] [Indexed: 02/07/2023]
Abstract
Vaccines activate suitable immune responses to fight against diseases but can possess limitations such as compromised efficacy and immunogenic responses, poor stability, and requirement of adherence to multiple doses. ‘Nanovaccines’ have been explored to elicit a strong immune response with the advantages of nano-sized range, high antigen loading, enhanced immunogenicity, controlled antigen presentation, more retention in lymph nodes and promote patient compliance by a lower frequency of dosing. Various types of nanoparticles with diverse pathogenic or foreign antigens can help to overcome immunotolerance and alleviate the need of booster doses as required with conventional vaccines. Nanovaccines have the potential to induce both cell-mediated and antibody-mediated immunity and can render long-lasting immunogenic memory. With such properties, nanovaccines have shown high potential for the prevention of infectious diseases such as acquired immunodeficiency syndrome (AIDS), malaria, tuberculosis, influenza, and cancer. Their therapeutic potential has also been explored in the treatment of cancer. The various kinds of nanomaterials used for vaccine development and their effects on immune system activation have been discussed with special relevance to their implications in various pathological conditions. Statement of Significance Interaction of nanoparticles with the immune system has opened multiple avenues to combat a variety of infectious and non-infectious pathological conditions. Limitations of conventional vaccines have paved the path for nanomedicine associated benefits with a hope of producing effective nanovaccines. This review highlights the role of different types of nanovaccines and the role of nanoparticles in modulating the immune response of vaccines. The applications of nanovaccines in infectious and non-infectious diseases like malaria, tuberculosis, AIDS, influenza, and cancers have been discussed. It will help the readers develop an understanding of mechanisms of immune activation by nanovaccines and design appropriate strategies for novel nanovaccines.
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Agache I, Lau S, Akdis CA, Smolinska S, Bonini M, Cavkaytar O, Flood B, Gajdanowicz P, Izuhara K, Kalayci O, Mosges R, Palomares O, Papadopoulos NG, Sokolowska M, Angier E, Fernandez‐Rivas M, Pajno G, Pfaar O, Roberts G, Ryan D, Sturm GJ, Ree R, Varga EM, Wijk RG, Yepes‐Nuñez J, Jutel M. EAACI Guidelines on Allergen Immunotherapy: House dust mite-driven allergic asthma. Allergy 2019; 74:855-873. [PMID: 31095767 DOI: 10.1111/all.13749] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 02/12/2019] [Indexed: 12/14/2022]
Abstract
Allergen immunotherapy (AIT) has been in use for the treatment of allergic disease for more than 100 years. Asthma treatment relies mainly on corticosteroids and other controllers recommended to achieve and maintain asthma control, prevent exacerbations, and improve quality of life. AIT is underused in asthma, both in children and in adults. Notably, patients with allergic asthma not adequately controlled on pharmacotherapy (including biologics) represent an unmet health need. The European Academy of Allergy and Clinical Immunology has developed a clinical practice guideline providing evidence-based recommendations for the use of house dust mites (HDM) AIT as add-on treatment for HDM-driven allergic asthma. This guideline was developed by a multi-disciplinary working group using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. HDM AIT was separately evaluated by route of administration and children and adults: subcutaneous (SCIT) and sublingual AIT (SLIT), drops, and tablets. Recommendations were formulated for each. The important prerequisites for successful treatment with HDM AIT are (a) selection of patients most likely to respond to AIT and (b) use of allergen extracts and desensitization protocols of proven efficacy. To date, only AIT with HDM SLIT-tablet has demonstrated a robust effect in adults for critical end points (exacerbations, asthma control, and safety). Thus, it is recommended as an add-on to regular asthma therapy for adults with controlled or partially controlled HDM-driven allergic asthma (conditional recommendation, moderate-quality evidence). HDM SCIT is recommended for adults and children, and SLIT drops are recommended for children with controlled HDM-driven allergic asthma as the add-on to regular asthma therapy to decrease symptoms and medication needs (conditional recommendation, low-quality evidence).
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Affiliation(s)
- Ioana Agache
- Faculty of Medicine Department of Allergy and Clinical Immunology Transylvania University Brasov Brasov Romania
| | - Susanne Lau
- Department for Pediatric Pneumology, Immunology and Intensive Care Charité Universität Medizin Berlin Germany
| | - Cezmi A. Akdis
- University of Zürich Swiss Institute of Allergy and Asthma Research (SIAF) Davos Switzerland
- Christine Kühne‐Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | - Sylwia Smolinska
- Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
- “ALL‐MED” Medical Research Institute Wroclaw Poland
| | - Matteo Bonini
- National Heart and Lung Institute (NHLI) Royal Brompton Hospital & Imperial College London UK
| | - Ozlem Cavkaytar
- Faculty of Medicine Department of Pediatric Allergy Istanbul Medeniyet University Goztepe Training and Research Hospital Istanbul Turkey
| | - Breda Flood
- European Federation of Allergy and Airways Diseases, Patients Association Brussels Belgium
| | - Pawe Gajdanowicz
- Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
| | | | - Omer Kalayci
- Hacettepe University School of Medicine Ankara Turkey
| | - Ralph Mosges
- Universität zu Koln Institute of Medical Statistics, Informatics and Epidemiology (IMSIE) Koln Germany
| | - Oscar Palomares
- Department of Biochemistry and Molecular Biology Complutense University of Madrid Madrid Spain
| | - Nikolaos G. Papadopoulos
- Division of Infection, Immunity and respiratory medicine University of Manchester Manchester UK
- Allergy Department 2nd Pediatric Clinic University of Athens Athens Greece
| | - Milena Sokolowska
- University of Zürich Swiss Institute of Allergy and Asthma Research (SIAF) Davos Switzerland
- Christine Kühne‐Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | | | | | - Giovanni Pajno
- Allergy Unit Department of Pediatrics University of Messina Messina Italy
| | - Oliver Pfaar
- Department of Otorhinolaryngology, Head and Neck Surgery Section of Rhinology and Allergy University Hospital Marburg Philipps‐Universität Marburg Marburg Germany
| | - Graham C. Roberts
- The David Hide Asthma and Allergy Research Centre St Mary's Hospital Newport Isle of Wight UK
- NIHR Biomedical Research Centre University Hospital Southampton NHS Foundation Trust Southampton UK
- Faculty of Medicine University of Southampton Southampton UK
| | - Dermot Ryan
- Usher Institute of Population Health Sciences and Informatics University of Edinburgh Edinburgh UK
- Asthma UK Centre for Applied Research The University of Edinburgh Edinburgh UK
| | - Gunter J. Sturm
- Department of Dermatology and Venerology Medical University of Graz Graz Austria
- Outpatient Allergy Clinic Reumannplaz Vienna Austria
| | - Ronald Ree
- Department of Experimental Immunology Academic Medical Center University of Amsterdam Amsterdam The Netherlands
- Department of Otorhinolaryngology Academic Medical Center University of Amsterdam Amsterdam The Netherlands
| | - Eva M. Varga
- Department of Pediatric and Adolescent Medicine Respiratory and Allergic Disease Division Medical University of Graz Graz Austria
| | - Roy Gerth Wijk
- Section of Allergology Department of Internal Medicine Erasmus Medical Center Rotterdam The Netherlands
| | | | - Marek Jutel
- Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
- “ALL‐MED” Medical Research Institute Wroclaw Poland
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Mehta M, Deeksha, Sharma N, Vyas M, Khurana N, Maurya PK, Singh H, Andreoli de Jesus TP, Dureja H, Chellappan DK, Gupta G, Wadhwa R, Collet T, Hansbro PM, Dua K, Satija S. Interactions with the macrophages: An emerging targeted approach using novel drug delivery systems in respiratory diseases. Chem Biol Interact 2019; 304:10-19. [PMID: 30849336 DOI: 10.1016/j.cbi.2019.02.021] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/10/2019] [Accepted: 02/22/2019] [Indexed: 12/31/2022]
Abstract
Macrophages are considered as the most flexible cells of the hematopoietic system that are distributed in the tissues to act against pathogens and foreign particles. Macrophages are essential in maintaining homeostatic tissue processes, repair and immunity. Also, play important role in cytokine secretion and signal transduction of the infection so as to develop acquired immunity. Accounting to their involvement in pathogenesis, macrophages present a therapeutic target for the treatment of inflammatory respiratory diseases. This review focuses on novel drug delivery systems (NDDS) including nanoparticles, liposomes, dendrimers, microspheres etc that can target alveolar macrophage associated with inflammation, intracellular infection and lung cancer. The physiochemical properties and functional moieties of the NDDS attributes to enhanced macrophage targeting and uptake. The NDDS are promising for sustained drug delivery, reduced therapeutic dose, improved patient compliance and reduce drug toxicity. Further, the review also discuss about modified NDDS for specificity to the target and molecular targeting via anti-microbial peptides, kinases, NRF-2 and phosphodiesterase.
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Affiliation(s)
- Meenu Mehta
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India
| | - Deeksha
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India
| | - Neha Sharma
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India
| | - Manish Vyas
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India
| | - Navneet Khurana
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India
| | - Pawan Kumar Maurya
- Department of Biochemistry, Central University of Haryana, Jant-Pali, Mahendergarh District-123031, Haryana, India
| | - Harjeet Singh
- National Medicinal Plants Board, Ministry of AYUSH, New Delhi, India
| | | | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharishi Dayanand University, Rohtak, Haryana 124001, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia
| | - Gaurav Gupta
- School of Pharmaceutical Sciences, Jaipur National University, Jagatpura, 302017, Jaipur, India
| | - Ridhima Wadhwa
- Faculty of Life Science and Biotechnology, South Asian University, Akbar Bhawan, Chanakyapuri, New Delhi-110021, India
| | - Trudi Collet
- Innovative Medicines Group, Institute of Health & Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Brisbane 4059, Queensland, Australia
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute, Sydney, NSW 2050 , Australia; School of Life Sciences, University of Technology Sydney, Sydney, NSW, Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Kamal Dua
- Centre for Inflammation, Centenary Institute, Sydney, NSW 2050 , Australia; Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute (HMRI) & School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW 2308, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia.
| | - Saurabh Satija
- School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T. Road (NH-1), Phagwara, 144411, Punjab, India.
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Dhami S, Kakourou A, Asamoah F, Agache I, Lau S, Jutel M, Muraro A, Roberts G, Akdis CA, Bonini M, Cavkaytar O, Flood B, Gajdanowicz P, Izuhara K, Kalayci Ö, Mosges R, Palomares O, Pfaar O, Smolinska S, Sokolowska M, Asaria M, Netuveli G, Zaman H, Akhlaq A, Sheikh A. Allergen immunotherapy for allergic asthma: A systematic review and meta-analysis. Allergy 2017; 72:1825-1848. [PMID: 28543086 DOI: 10.1111/all.13208] [Citation(s) in RCA: 189] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2017] [Indexed: 02/05/2023]
Abstract
BACKGROUND To inform the development of the European Academy of Allergy and Clinical Immunology's (EAACI) Guidelines on Allergen Immunotherapy (AIT) for allergic asthma, we assessed the evidence on the effectiveness, cost-effectiveness and safety of AIT. METHODS We performed a systematic review, which involved searching nine databases. Studies were screened against predefined eligibility criteria and critically appraised using established instruments. Data were synthesized using random-effects meta-analyses. RESULTS 98 studies satisfied the inclusion criteria. Short-term symptom scores were reduced with a standardized mean difference (SMD) of -1.11 (95% CI -1.66, -0.56). This was robust to a prespecified sensitivity analyses, but there was evidence suggestive of publication bias. Short-term medication scores were reduced SMD -1.21 (95% CI -1.87, -0.54), again with evidence of potential publication bias. There was no reduction in short-term combined medication and symptom scores SMD 0.17 (95% CI -0.23, 0.58), but one study showed a beneficial long-term effect. For secondary outcomes, subcutaneous immunotherapy (SCIT) improved quality of life and decreased allergen-specific airway hyperreactivity (AHR), but this was not the case for sublingual immunotherapy (SLIT). There were no consistent effects on asthma control, exacerbations, lung function, and nonspecific AHR. AIT resulted in a modest increased risk of adverse events (AEs). Although relatively uncommon, systemic AEs were more frequent with SCIT; however no fatalities were reported. The limited evidence on cost-effectiveness was mainly available for sublingual immunotherapy (SLIT) and this suggested that SLIT is likely to be cost-effective. CONCLUSIONS AIT can achieve substantial reductions in short-term symptom and medication scores in allergic asthma. It was however associated with a modest increased risk of systemic and local AEs. More data are needed in relation to secondary outcomes, longer-term effectiveness and cost-effectiveness.
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Affiliation(s)
- S. Dhami
- Evidence-Based Health Care Ltd; Edinburgh UK
| | - A. Kakourou
- Department of Hygiene and Epidemiology; University of Ioannina School of Medicine; Ioannina Greece
| | - F. Asamoah
- Centre for Environmental and Preventive Medicine; Wolfson Institute of Preventive Medicine Barts and the London School of Medicine and Dentistry; Queen Mary University of London; London UK
| | - I. Agache
- Faculty of Medicine; Department of Allergy and Clinical Immunology; Transylvania University Brasov; Brasov Romania
| | - S. Lau
- Department of Pediatric Pneumology and Immunology; Charité Universitätsmedizin; Berlin Germany
| | - M. Jutel
- Wroclaw Medical University; Wroclaw Poland
- ALL-MED Medical Research Institute; Wroclaw Poland
| | - A. Muraro
- Food Allergy Referral Centre Veneto Region; University Hospital of Padua; Padua Italy
| | - G. Roberts
- The David Hide Asthma and Allergy Research Centre; St Mary's Hospital; Newport UK
- NIHR Biomedical Research Centre; University Hospital Southampton NHS Foundation Trust; Southampton UK
- Faculty of Medicine; University of Southampton; Southampton UK
| | - C. A. Akdis
- Swiss Institute for Allergy and Asthma Research; Christine Kühne-Center for Allergy Research and Education (CK-CARE); Davos Switzerland
| | - M. Bonini
- National Heart and Lung Institute; Imperial College London; London UK
| | - O. Cavkaytar
- Department of Allergy and Clinical Immunology; Sami Ulus Women's & Children's Diseases Training and Research Hospital; Ankara Turkey
- Department of Pediatric Allergy and Immunology; Ulus Women's & Children's Diseases Training and Research Hospital; Ankara Turkey
| | - B. Flood
- European Federation of Allergy and Airways Diseases Patients Association; Brussels Belgium
| | | | | | | | - R. Mosges
- Institute of Medical Statistics, Informatics and Epidemiology (IMSIE); University of Cologne; Köln Germany
| | - O. Palomares
- Department of Biochemistry and Molecular Biology; Complutense University of Madrid; Madrid Spain
| | - O. Pfaar
- Department of Otorhinolaryngology, Head and Neck Surgery; Universitätsmedizin Mannheim; Medical Faculty Mannheim; Heidelberg University; Mannheim Germany
- Center for Rhinology and Allergology; Wiesbaden Germany
| | - S. Smolinska
- Wroclaw Medical University; Wroclaw Poland
- ALL-MED Medical Research Institute; Wroclaw Poland
| | - M. Sokolowska
- Swiss Institute for Allergy and Asthma Research; Christine Kühne-Center for Allergy Research and Education (CK-CARE); Davos Switzerland
| | - M. Asaria
- Centre for Health Economics; University of York; York UK
| | - G. Netuveli
- Institute for Health and Human Development; University of East London; London UK
| | - H. Zaman
- Bradford School of Pharmacy; Bradford UK
| | - A. Akhlaq
- Health and Hospital Management; Institute of Business Management; Karachi Pakistan
| | - A. Sheikh
- Asthma UK Centre for Applied Research; The University of Edinburgh; Edinburgh UK
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Wen R, Umeano AC, Francis L, Sharma N, Tundup S, Dhar S. Mitochondrion: A Promising Target for Nanoparticle-Based Vaccine Delivery Systems. Vaccines (Basel) 2016; 4:E18. [PMID: 27258316 PMCID: PMC4931635 DOI: 10.3390/vaccines4020018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 03/31/2016] [Accepted: 04/08/2016] [Indexed: 02/07/2023] Open
Abstract
Vaccination is one of the most popular technologies in disease prevention and eradication. It is promising to improve immunization efficiency by using vectors and/or adjuvant delivery systems. Nanoparticle (NP)-based delivery systems have attracted increasing interest due to enhancement of antigen uptake via prevention of vaccine degradation in the biological environment and the intrinsic immune-stimulatory properties of the materials. Mitochondria play paramount roles in cell life and death and are promising targets for vaccine delivery systems to effectively induce immune responses. In this review, we focus on NPs-based delivery systems with surfaces that can be manipulated by using mitochondria targeting moieties for intervention in health and disease.
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Affiliation(s)
- Ru Wen
- NanoTherapeutics Research Laboratory, Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Afoma C Umeano
- NanoTherapeutics Research Laboratory, Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Lily Francis
- NanoTherapeutics Research Laboratory, Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Nivita Sharma
- NanoTherapeutics Research Laboratory, Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
| | - Smanla Tundup
- School of Medicine, Department of Pulmonary and Critical Care, University of Virginia, Charlottesville, WV 22908, USA.
| | - Shanta Dhar
- NanoTherapeutics Research Laboratory, Department of Chemistry, University of Georgia, Athens, GA 30602, USA.
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Liposome-Based Adjuvants for Subunit Vaccines: Formulation Strategies for Subunit Antigens and Immunostimulators. Pharmaceutics 2016; 8:pharmaceutics8010007. [PMID: 26978390 PMCID: PMC4810083 DOI: 10.3390/pharmaceutics8010007] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/26/2016] [Accepted: 03/04/2016] [Indexed: 11/25/2022] Open
Abstract
The development of subunit vaccines has become very attractive in recent years due to their superior safety profiles as compared to traditional vaccines based on live attenuated or whole inactivated pathogens, and there is an unmet medical need for improved vaccines and vaccines against pathogens for which no effective vaccines exist. The subunit vaccine technology exploits pathogen subunits as antigens, e.g., recombinant proteins or synthetic peptides, allowing for highly specific immune responses against the pathogens. However, such antigens are usually not sufficiently immunogenic to induce protective immunity, and they are often combined with adjuvants to ensure robust immune responses. Adjuvants are capable of enhancing and/or modulating immune responses by exposing antigens to antigen-presenting cells (APCs) concomitantly with conferring immune activation signals. Few adjuvant systems have been licensed for use in human vaccines, and they mainly stimulate humoral immunity. Thus, there is an unmet demand for the development of safe and efficient adjuvant systems that can also stimulate cell-mediated immunity (CMI). Adjuvants constitute a heterogeneous group of compounds, which can broadly be classified into delivery systems or immunostimulators. Liposomes are versatile delivery systems for antigens, and they can carefully be customized towards desired immune profiles by combining them with immunostimulators and optimizing their composition, physicochemical properties and antigen-loading mode. Immunostimulators represent highly diverse classes of molecules, e.g., lipids, nucleic acids, proteins and peptides, and they are ligands for pattern-recognition receptors (PRRs), which are differentially expressed on APC subsets. Different formulation strategies might thus be required for incorporation of immunostimulators and antigens, respectively, into liposomes, and the choice of immunostimulator should ideally be based on knowledge regarding the specific PRR expression profile of the target APCs. Here, we review state-of-the-art formulation approaches employed for the inclusion of immunostimulators and subunit antigens into liposome dispersion and their optimization towards robust vaccine formulations.
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Aryan Z, Compalati E, Comapalati E, Canonica GW, Rezaei N. Allergen-specific immunotherapy in asthmatic children: from the basis to clinical applications. Expert Rev Vaccines 2013; 12:639-59. [PMID: 23750794 DOI: 10.1586/erv.13.45] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Atopic asthma in childhood with the tendency to persist into adult life is an important issue in pediatrics. Allergen-specific immunotherapy (SIT) is the only curative treatment option for these children, being directed to the causes of the disease. The Th2 phenotype is a predominant immunological pattern in atopic asthma and SIT leads to apoptosis/anergy of T cells and induces immune-regulatory responses and immune deviation towards Th1. Many factors can affect the safety and efficacy of SIT, such as pattern of sensitization, allergy vaccine (allergen extracts, adjuvants and conjugated molecules), route of administration (subcutaneous or sublingual) and different treatment schedules. Overall, asthma symptoms and medication scores usually decrease following a SIT course and the most common observed side effects are restricted to local swelling, erythema and pruritus. Compared with conventional pharmacotherapy, SIT may be more cost effective, providing a benefit after discontinuation and a steroid-sparing effect. In addition, it can prevent new sensitizations in monosensitized asthmatic children. Microbial supplements such as probiotics, immunomodulatory substances like anti-IgE/leukotrienes, antibodies and newer allergen preparations such as recombinant forms have been tested to improve the efficacy and safety of SIT with inconclusive results. In conclusion, SIT provides an appropriate solution for childhood asthma that should be employed more often in clinical practice. Further studies are awaited to improve current knowledge regarding the mechanisms behind SIT and determine the most appropriate materials and schedule of immunotherapy for children with asthma.
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Affiliation(s)
- Zahra Aryan
- Molecular Immunology Research Center, Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Prieto L, Palacios R, Aldana D, Ferrer A, Perez-Frances C, Lopez V, Rojas R. Effect of allergen-specific immunotherapy with purified Alt a1 on AMP responsiveness, exhaled nitric oxide and exhaled breath condensate pH: a randomized double blind study. Allergy Asthma Clin Immunol 2010; 6:27. [PMID: 20846390 PMCID: PMC2949816 DOI: 10.1186/1710-1492-6-27] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2010] [Accepted: 09/16/2010] [Indexed: 11/25/2022] Open
Abstract
Background Little information is available on the effect of allergen-specific immunotherapy on airway responsiveness and markers in exhaled air. The aims of this study were to assess the safety of immunotherapy with purified natural Alt a1 and its effect on airway responsiveness to direct and indirect bronchoconstrictor agents and markers in exhaled air. Methods This was a randomized double-blind trial. Subjects with allergic rhinitis with or without mild/moderate asthma sensitized to A alternata and who also had a positive skin prick test to Alt a1 were randomized to treatment with placebo (n = 18) or purified natural Alt a1 (n = 22) subcutaneously for 12 months. Bronchial responsiveness to adenosine 5'-monophosphate (AMP) and methacholine, exhaled nitric oxide (ENO), exhaled breath condensate (EBC) pH, and serum Alt a1-specific IgG4 antibodies were measured at baseline and after 6 and 12 months of treatment. Local and systemic adverse events were also registered. Results The mean (95% CI) allergen-specific IgG4 value for the active treatment group increased from 0.07 μg/mL (0.03-0.11) at baseline to 1.21 μg/mL (0.69-1.73, P < 0.001) at 6 months and to 1.62 μg/mL (1.02-2.22, P < 0.001) at 12 months of treatment. In the placebo group, IgG4 value increased nonsignificantly from 0.09 μg/mL (0.06-0.12) at baseline to 0.13 μg/mL (0.07-0.18) at 6 months and to 0.11 μg/mL (0.07-0.15) at 12 months of treatment. Changes in the active treatment group were significantly higher than in the placebo group both at 6 months (P < 0.001) and at 12 months of treatment (P < 0.0001). However, changes in AMP and methacholine responsiveness, ENO and EBC pH levels were not significantly different between treatment groups. The overall incidence of adverse events was comparable between the treatment groups. Conclusion Although allergen-specific immunotherapy with purified natural Alt a1 is well tolerated and induces an allergen-specific IgG4 response, treatment is not associated with changes in AMP or methacholine responsiveness or with significant improvements in markers of inflammation in exhaled air. These findings suggest dissociation between the immunotherapy-induced increase in IgG4 levels and its effect on airway responsiveness and inflammation.
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Affiliation(s)
- Luis Prieto
- Departamento de Medicina, Universidad de Valencia, Valencia, Spain.
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14
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Corry DB, Kheradmand F. The future of asthma therapy: integrating clinical and experimental studies. Immunol Res 2008; 33:35-52. [PMID: 16120971 DOI: 10.1385/ir:33:1:035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Asthma is one of the most common, and now most heavily investigated, of modern diseases. Research along two fronts, involving experimental models of asthma and human clinical trials, proceeds in parallel, often with investigators unaware of their counterpart's findings. Here, we review the unique immunological insights into asthma pathogenesis and therapy that may be gained from comparison of human clinical trial results and analogous experimental studies. The pitfalls and benefits of animal models of asthma are discussed, and we briefly review ongoing asthma clinical studies that are based on immunological principals. Finally, we use new insights from human and animal studies to construct a refined immunopathologic disease model that may be of use in designing future experimental and therapeutic studies.
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Affiliation(s)
- David B Corry
- Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA.
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Fernández-Caldas E, Iraola V, Boquete M, Nieto A, Casanovas M. Mite immunotherapy. Curr Allergy Asthma Rep 2006; 6:413-9. [PMID: 16899204 DOI: 10.1007/s11882-996-0015-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Dermatophagoides pteronyssinus and D. farinae are the most common house dust mites and are among the most common sources of indoor allergens worldwide. These species are very common in humid regions, where most allergic individuals are sensitized to house dust mites. Specific immunotherapy with mite extracts has demonstrated clinical benefits in several double-blind, placebo-controlled trials that are included in recent reviews of subcutaneous immunotherapy, including pediatric and adult patients with rhinoconjunctivitis and or asthma. Most successful studies of mite immunotherapy have used native allergen extracts adsorbed onto aluminum hydroxide, or chemically modified mite-allergen extracts. Several studies have also shown efficacy using sublingual immunotherapy in pediatric and adult patients with asthma and/or rhinitis. Additionally, the efficacy of subcutaneous immunotherapy has been demonstrated in patients with atopic dermatitis, although more double-blind, placebo-controlled studies are needed. Based on several studies, it cannot be concluded that mite immunotherapy is more dangerous or safer than immunotherapy with grasses, epithelia, or animal epithelia. Because the delivery of high doses of allergen carries with it the risk for immunoglobulin E (IgE)-mediated events, several methods have been developed to reduce specific IgE binding to mite-allergen extracts. An important challenge for future mite immunotherapy modalities is the delivery of relatively high doses without a significant risk for severe reactions.
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Schöll I, Boltz-Nitulescu G, Jensen-Jarolim E. Review of novel particulate antigen delivery systems with special focus on treatment of type I allergy. J Control Release 2005; 104:1-27. [PMID: 15866331 DOI: 10.1016/j.jconrel.2004.12.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2004] [Accepted: 12/20/2004] [Indexed: 12/13/2022]
Abstract
For the treatment of infectious diseases, cancer and allergy, the directed induction of an appropriate immune response is the ultimate goal. Therefore, with the development of pure, often very small proteins, peptides or DNA by molecular biology techniques, the research for suitable adjuvants or delivery systems became increasingly important. Particle formulations are made of a variety of materials, including lipids, proteins or amino acids, polysaccharides, polyacrylic substances or organic acids. Microparticles serve as vehicles and provide a depot for the entrapped or coupled antigen. The release occurs in a pulsatile or continuous manner, a feature, which is well controllable for many particulate systems. Particles attract antigen presenting cells to the administration site, thereby guaranteeing the efficient presentation of the antigen to the immune system. Importantly, particles also protect the entrapped substance. This is especially necessary after oral application to avoid gastric or tryptic breakdown. In this article, the design and construction of different antigen delivery systems and their immune effects, with special focus on the suitability for allergy treatment, are discussed.
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Affiliation(s)
- Isabella Schöll
- Institute of Pathophysiology, Center of Physiology and Pathophysiology, Medical University of Vienna, AKH-EB03.Q, Waehringer Guertel 18-20, 1090 Vienna, Austria
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Felnerova D, Viret JF, Glück R, Moser C. Liposomes and virosomes as delivery systems for antigens, nucleic acids and drugs. Curr Opin Biotechnol 2004; 15:518-29. [PMID: 15560978 DOI: 10.1016/j.copbio.2004.10.005] [Citation(s) in RCA: 165] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Lipid-based vesicles are a very promising approach to treat diseases such as cancer, chronic infections and auto-immunity. Modern drug encapsulation methods allow efficient packing of therapeutic substances inside liposomes, thereby reducing the systemic toxicity of the drugs. Specific targeting can enhance the therapeutic effect of the drugs through their accumulation at the diseased site. In the vaccine field, the integration of functional viral envelope proteins into liposomes has led to an antigen carrier and delivery system termed a virosome, a clinically proven vaccine platform for subunit vaccines with an excellent immunogenicity and tolerability profile.
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Affiliation(s)
- Diana Felnerova
- Berna Biotech Ltd, Rehhagstrasse 79, CH-3018, Berne, Switzerland.
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Sierra Martínez JI. [Indications and utility of allergen provocation testing]. Allergol Immunopathol (Madr) 2004; 32:129-33. [PMID: 15120029 DOI: 10.1016/s0301-0546(04)79299-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Specific bronchial provocation tests have been used to confirm diagnosis, as a laboratory model for the study of asthma, and to evaluate the efficacy of immunotherapy with allergen extracts. However, despite the advances achieved in our knowledge of the etiopathogenic mechanisms of asthma, bronchial provocation tests with allergens have certain methodological limitations. These are due to the difficulty of evaluating these tests as regards which markers of inflammation (exhaled nitric oxide, carbon monoxide, etc.) should be investigated and at what points in the chronology of the asthmatic response. The current parameters used to assess respiratory function (FEV1, mainly) do not seem to be the most ideal nor do their percentage reductions, usually established by use, always serve to identify a bronchospastic and inflammatory response. Furthermore, the allergen doses indicated in the various protocols do not mimic natural exposure to these allergens, thus introducing an important bias in the interpretation of the results. In this sense, another and no less important difficulty is the lack of adequate standardization of the characteristics of the allergens used; the development of recombinant allergens may eliminate this obstacle and improve the reproducibility of the tests. In view of the above, the requirement of a positive bronchial provocation test to a specific allergen in the etiological diagnosis of asthma does not seem reasonable nor does it seem reasonable that specific immunotherapy is not indicated if the test is negative or that evaluation of its efficacy lies in a negative result for a previously positive test. This premise does not take into account the fact that bronchial reactivity is subject to variables that are difficult to control (prior natural exposure to the allergen, for example).
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Affiliation(s)
- J I Sierra Martínez
- Sección de Inmunología y Alergia Pediátrica, Unidad Integrada, Hospital Clinic-Hospital de Sant Joan de Déu, Barcelona, Spain
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Valenta R, Ball T, Focke M, Linhart B, Mothes N, Niederberger V, Spitzauer S, Swoboda I, Vrtala S, Westritschnig K, Kraft D. Immunotherapy of allergic disease. Adv Immunol 2004; 82:105-53. [PMID: 14975256 DOI: 10.1016/s0065-2776(04)82003-0] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- R Valenta
- Division of Immunopathology, Department of Pathophysiology, University of Vienna, Medical School, Austria
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