1
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Weller K, Gimenez-Arnau AM, Baron J, Brehler R, Ferrer M, Groffik A, Grundmann S, Jakob T, Labrador-Horrillo M, Müller S, Staubach P, Wurpts G, Metz M, Maurer M. Efficacy and safety of on-demand versus daily rupatadine in chronic spontaneous urticaria: A randomized trial. Allergy 2024; 79:93-103. [PMID: 37597162 DOI: 10.1111/all.15854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/25/2023] [Accepted: 06/16/2023] [Indexed: 08/21/2023]
Abstract
BACKGROUND Non-sedating H1 -antihistamines (nsAH) are the most commonly used treatment for chronic spontaneous urticaria (CSU). Many patients use them as on-demand (OD) therapy rather than a maintenance treatment. Here, we compared OD versus daily maintenance treatment with the nsAH rupatadine, assessed the efficacy of rupatadine updosing, and investigated potential long-term disease-modifying effects. METHODS This multicenter, randomized study consisted of 2 weeks of screening, 8 weeks of double-blind treatment, and 6 weeks of treatment-free follow-up (OD allowed). Adult patients were randomized to 10 mg rupatadine OD or 10 mg rupatadine daily. At Week 4, if patients did not have a complete response, they switched from 10 to 20 mg rupatadine daily or underwent sham updosing (patients on 10 mg rupatadine OD). The primary aim was to compare CSU disease activity at the end of follow-up between daily versus OD. Additionally, we assessed the efficacy of rupatadine updosing. Major outcomes were disease activity, CSU-related quality of life (QoL), and disease control. RESULTS At Week 4, disease activity and QoL significantly improved in daily versus OD-treated patients. Updosing of rupatadine did not improve the mean disease activity, but the number of complete responders increased during updosing from 5% to 22%. At the end of follow-up, the disease activity of patients treated OD versus daily was not significantly different. CONCLUSIONS Daily rupatadine treatment significantly improved CSU disease activity and QoL during treatment versus OD treatment but not after discontinuation of rupatadine, indicating the benefits of a daily maintenance nsAH schedule.
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Affiliation(s)
- Karsten Weller
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Ana Maria Gimenez-Arnau
- Department of Dermatology, Hospital del Mar, IMIM, Universitat Pompeu Fabra, Barcelona, Spain
| | - Jens Baron
- Department of Dermatology and Allergy, University Hospital, RWTH Aachen, Aachen, Germany
| | - Randolf Brehler
- Department of Dermatology, University Hospital Muenster, Muenster, Germany
| | - Marta Ferrer
- Department of Allergy, Clinica Universidad de Navarra, Pamplona, Spain
- RICORS Red De Enfermedades Inflamatorias (REI)-RD21/0002/0028, Madrid, Spain
| | - Adriane Groffik
- Department of Dermatology, University Medical Center Mainz, Mainz, Germany
| | | | - Thilo Jakob
- Department of Dermatology and Allergy, University Medical Center, Justus Liebig University Gießen, Giessen, Germany
| | - Moisés Labrador-Horrillo
- Allergy Department, Hospital Universitario Vall d'Hebron, VHIR, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Sabine Müller
- Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Petra Staubach
- Department of Dermatology and Allergy, University Medical Center, Mainz, Germany
| | - Gerda Wurpts
- Clinic for Dermatology and Allergology, Aachen Comprehensive Allergy Center (ACAC), Uniklinik RWTH Aachen, Aachen, Germany
| | - Martin Metz
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Marcus Maurer
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
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2
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Bousquet J, Toumi M, Sousa-Pinto B, Anto JM, Bedbrook A, Czarlewski W, Valiulis A, Ansotegui IJ, Bosnic-Anticevich S, Brussino L, Canonica GW, Cecchi L, Cherrez-Ojeda I, Chivato T, Costa EM, Cruz AA, Del Giacco S, Fonseca JA, Gemicioglu B, Haahtela T, Ivancevich JC, Jutel M, Kaidashev I, Klimek L, Kvedariene V, Kuna P, Larenas-Linnemann DE, Lipworth B, Morais-Almeida M, Mullol J, Papadopoulos NG, Patella V, Pham-Thi N, Regateiro FS, Rouadi PW, Samolinski B, Sheikh A, Taborda-Barata L, Ventura MT, Yorgancioglu A, Zidarn M, Zuberbier T. The Allergic Rhinitis and Its Impact on Asthma (ARIA) Approach of Value-Added Medicines: As-Needed Treatment in Allergic Rhinitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:2878-2888. [PMID: 35934308 DOI: 10.1016/j.jaip.2022.07.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/21/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
Drug repurposing is a major field of value-added medicine. It involves investigating and evaluating existing drugs for new therapeutic purposes that address unmet healthcare needs. Several unmet needs in allergic rhinitis could be improved by drug repurposing. This could be game-changing for disease management. Current medications for allergic rhinitis are centered on continuous long-term treatment, and medication registration is based on randomized controlled trials carried out for a minimum of 14 days with adherence of 70% or greater. A new way of treating allergic rhinitis is to propose as-needed treatment depending on symptoms, rather than classical continuous treatment. This rostrum will discuss existing clinical trials on as-needed treatment for allergic rhinitis and real-world data obtained by the mobile health app MASK-air, which focuses on digitally-enabled, patient-centered care pathways.
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Affiliation(s)
- Jean Bousquet
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; University Hospital Montpellier, Montpellier, France; Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany.
| | - Mondher Toumi
- Public Health, Aix-Marseille University, Marseille, France
| | - Bernardo Sousa-Pinto
- MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS-Center for Health Technology and Services Research, University of Porto, Porto, Portugal; RISE-Health Research Network, University of Porto, Porto, Portugal
| | - Josep M Anto
- ISGlobaL, Barcelona Institute for Global Health, Barcelona, Spain; Hospital del Mar Medical Research Institute, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain; CIBER Epidemiología y Salud Pública, Barcelona, Spain
| | | | | | - Arunas Valiulis
- Institute of Clinical Medicine and Institute of Health Sciences, Medical Faculty of Vilnius University, Vilnius, Lithuania
| | - Ignacio J Ansotegui
- Department of Allergy and Immunology, Hospital Quironsalud Bizkaia, Bilbao, Spain
| | - Sinthia Bosnic-Anticevich
- Quality Use of Respiratory Medicine Group, Woolcock Institute of Medical Research, University of Sydney, and Sydney Local Health District, Sydney, New South Wales, Australia
| | - Luisa Brussino
- Department of Medical Sciences, Allergy and Clinical Immunology Unit, University of Torino and Mauriziano Hospital, Torino, Italy
| | - G Walter Canonica
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele and Personalized Medicine, Asthma and Allergy, Humanitas Clinical and Research Center IRCCS, Rozzano, Italy
| | - Lorenzo Cecchi
- SOS Allergology and Clinical Immunology, USL Toscana Centro, Prato, Italy
| | - Ivan Cherrez-Ojeda
- Department of Allergy and Pulmonology, Espiritu Santo University, Samborondón, Ecuador
| | - Tomas Chivato
- School of Medicine, University CEU San Pablo, Madrid, Spain
| | - Elísio M Costa
- UCIBIO, REQUINTE, Faculty of Pharmacy and Competence Center on Active and Healthy Ageing of University of Porto (Porto4Ageing), Porto, Portugal
| | - Alvaro A Cruz
- Fundaçao ProAR, Federal University of Bahia and GARD/WHO Planning Group, Salvador, Bahia, Brazil
| | - Stefano Del Giacco
- Department of Medical Sciences and Public Health and Unit of Allergy and Clinical Immunology, University Hospital "Duilio Casula," University of Cagliari, Cagliari, Italy
| | - Joao A Fonseca
- MEDCIDS-Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, Porto, Portugal; CINTESIS-Center for Health Technology and Services Research, University of Porto, Porto, Portugal; RISE-Health Research Network, University of Porto, Porto, Portugal
| | - Bilun Gemicioglu
- Department of Pulmonary Diseases, Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Istanbul, Turkey
| | - Tari Haahtela
- Skin and Allergy Hospital, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | | | - Marek Jutel
- Department of Clinical Immunology, Wrocław Medical University, Wroclaw, Poland; ALL-MED Medical Research Institute, Wroclaw, Poland
| | - Igor Kaidashev
- Poltava State Medical University, Poltava Oblast, Ukraine
| | - Ludger Klimek
- Department of Otolaryngology, Head and Neck Surgery, Universitätsmedizin Mainz, Mainz, Germany; Center for Rhinology and Allergology, Wiesbaden, Germany
| | - Violeta Kvedariene
- Institute of Biomedical Sciences, Department of Pathology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania; Institute of Clinical Medicine, Clinic of Chest Diseases and Allergology, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Piotr Kuna
- Division of Internal Medicine, Asthma and Allergy, Barlicki University Hospital, Medical University of Lodz, Lodz, Poland
| | - Désirée E Larenas-Linnemann
- Center of Excellence in Asthma and Allergy, Médica Sur Clinical Foundation and Hospital, México City, México
| | - Brian Lipworth
- Scottish Centre for Respiratory Research, Cardiovascular and Diabetes Medicine, Medical Research Institute, Ninewells Hospital, University of Dundee, Dundee, United Kingdom
| | | | - Joaquim Mullol
- Rhinology Unit and Smell Clinic, ENT Department, Hospital Clinic, Clinical and Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, University of Barcelona, Barcelona, Spain
| | | | - Vincenzo Patella
- Division of Allergy and Clinical Immunology, Department of Medicine, Agency of Health ASL Salerno, "Santa Maria della Speranza" Hospital, Battipaglia, Salerno, Italy
| | - Nhân Pham-Thi
- Ecole Polytechnique Palaiseau, Institut de Recherche Bio-Médicale des Armées, Bretigny, France
| | - Frederico S Regateiro
- Allergy and Clinical Immunology Unit, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal; Institute of Immunology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal; ICBR - Coimbra Institute for Clinical and Biomedical Research, CIBB, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - Philip W Rouadi
- Department of Otolaryngology-Head and Neck Surgery, Eye and Ear University Hospital, Beirut, Lebanon; ENT Department, Dar Al Shifa Hospital, Salmiya, Kuwait
| | - Boleslaw Samolinski
- Department of Prevention of Environmental Hazards, Allergology, and Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Aziz Sheikh
- Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Luis Taborda-Barata
- UBIAir-Clinical and Experimental Lung Centre, University of Beira Interior, Covilhã, Portugal; CICS-Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal; Department of Immunoallergology, Cova da Beira University Hospital Centre, Covilhã, Portugal
| | - Maria Teresa Ventura
- Unit of Geriatric Immunoallergology, University of Bari Medical School, Bari, Italy
| | | | - Mihaela Zidarn
- University Clinic of Respiratory and Allergic Diseases, Golnik, Slovenia; Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Torsten Zuberbier
- Institute of Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and Immunology, Berlin, Germany
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3
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Bousquet J, Klimek L, Kuna P, Mullol J, Toppila-Salmi S. The Debate: Regular Versus As-Needed Use of Intranasal Corticosteroids for a Patient-Centered Approach. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:1374-1375. [PMID: 33685613 DOI: 10.1016/j.jaip.2020.11.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 11/16/2022]
Affiliation(s)
- Jean Bousquet
- Charité, Universitaütsmedizin Berlin, Humboldt-Universitaüt zu Berlin, and Berlin Institute of Health, Comprehensive Allergy Center, Department of Dermatology and Allergy, Berlin, Germany; MACVIA France, Montpellier, France.
| | - Ludger Klimek
- Center for Rhinology and Allergology, Wiesbaden, Germany
| | - Piotr Kuna
- Division of Internal Medicine, Asthma and Allergy, Barlicki University Hospital, Medical University of Lodz, Lodz, Poland
| | - Joaquim Mullol
- Rhinology Unit & Smell Clinic, ENT Department, Hospital Clinic - Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, Universitat de Barcelona, Barcelona, Spain
| | - Sanna Toppila-Salmi
- Skin and Allergy Hospital, Helsinki University Hospital, and University of Helsinki, Helsinki, Finland
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4
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Heffler E, Landi M, Caruso C, Fichera S, Gani F, Guida G, Liuzzo MT, Pistorio MP, Pizzimenti S, Riccio AM, Seccia V, Ferrando M, Malvezzi L, Passalacqua G, Gelardi M. Nasal cytology: Methodology with application to clinical practice and research. Clin Exp Allergy 2018; 48:1092-1106. [PMID: 29904978 DOI: 10.1111/cea.13207] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Nasal cytology is an easy, cheap, non-invasive and point-of-care method to assess nasal inflammation and disease-specific cellular features. By means of nasal cytology, it is possible to distinguish between different inflammatory patterns that are typically associated with specific diseases (ie, allergic and non-allergic rhinitis). Its use is particularly relevant when other clinical information, such as signs, symptoms, time-course and allergic sensitizations, is not enough to recognize which of the different rhinitis phenotypes is involved; for example, it is only by means of nasal cytology that it is possible to distinguish, among the non-allergic rhinitis, those characterized by eosinophilic (NARES), mast cellular (NARMA), mixed eosinophilic-mast cellular (NARESMA) or neutrophilic (NARNE) inflammation. Despite its clinical usefulness, cheapness, non-invasiveness and easiness, nasal cytology is still underused and this is at least partially due to the fact that, as far as now, there is not a consensus or an official recommendation on its methodological issues. We here review the scientific literature about nasal cytology, giving recommendations on how to perform and interpret nasal cytology.
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Affiliation(s)
- E Heffler
- Department of Biomedical Sciences, Humanitas University, Milano, Italy.,Personalized Medicine, Asthma and Allergy Unit, Humanitas Clinical and Research Center, Humanitas University, Milano, Italy
| | - M Landi
- Institute of Biomedicine and Molecular Immunology, National Research Council of Italy, Palermo, Italy.,Paediatric National Healthcare System, Torino, Italy
| | - C Caruso
- Allergy Unit, Fondazione Policlinico Gemelli, Presidio Columbus, Rome, Italy
| | - S Fichera
- Respiratory Medicine and Allergy, University of Catania, Catania, Italy
| | - F Gani
- Respiratory Allergy, A.O.U. San Luigi, Orbassano, Torino, Italy
| | - G Guida
- Allergy and Lung Physiology, AO Santa Croce e Carle, Cuneo, Italy
| | - M T Liuzzo
- Respiratory Medicine and Allergy, University of Catania, Catania, Italy
| | - M P Pistorio
- Respiratory Medicine and Allergy, University of Catania, Catania, Italy
| | - S Pizzimenti
- Respiratory Medicine Unit, National Health System, ASL Città di Torino, Torino, Italy
| | - A M Riccio
- Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genova, Italy
| | - V Seccia
- 1st Otorhinolaryngology Unit, Department of Medical and Surgical Pathology, Pisa University Hospital, Pisa, Italy
| | - M Ferrando
- Department of Biomedical Sciences, Humanitas University, Milano, Italy.,Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genova, Italy
| | - L Malvezzi
- Department of Otolaryngology, Humanitas Clinical and Research Center, Milano, Italy
| | - G Passalacqua
- Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genova, Italy
| | - M Gelardi
- Section of Otolaryngology, Department of Basic Medical Science, Neuroscience and Sensory Organs, University of Bari, Bari, Italy
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5
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Kim YH, Kim MA, Yang HJ, Choi JH, Kim DK, Yoo Y, Lee B, Kim BS, Kim WY, Kim JH, Park SY, Bae WY, Song K, Yang MS, Lee SM, Lee YM, Lee HJ, Cho JH, Jee HM, Park Y, Koh YI. Crinical diagnostic guidelines for allergic rhinitis: medical treatment. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2017. [DOI: 10.5124/jkma.2017.60.2.183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Young Hyo Kim
- Department of Otorhinolaryngology, Inha University College of Medicine, Incheon, Korea
| | - Mi-Ae Kim
- Department of Pulmonology, Allergy and Critical Care Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Hyeon-Jong Yang
- Department of Pediatrics, Soonchunhyang University College of Medicine, Seoul, Korea
- SCH Biomedical Informatics Research Unit, Seoul, Korea
| | - Jeong-Hee Choi
- Department of Pulmonology and Allergy, Hallym University College of Medicine, Chuncheon, Korea
| | - Dong-Kyu Kim
- Departments of Otorhinolaryngology-Head and Neck Surgery, Hallym University College of Medicine, Chuncheon, Korea
| | - Young Yoo
- Department of Pediatrics, Korea University College of Medicine, Seoul, Korea
- Allergy Immunology Center, Korea University, Seoul, Korea
| | - Bora Lee
- Department of Biostatistics, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
| | - Bong-Seong Kim
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | | | - Jeong Hee Kim
- Department of Pediatrics, Inha University College of Medicine, Incheon, Korea
| | | | - Woo Yong Bae
- Department of Otorhinolaryngology, Head and Neck Surgery, Dong-A University College of Medicine, Busan, Korea
| | - Keejae Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Catholic Kwandong Universtiy College of Medicine, Incheon, Korea
| | - Min-Suk Yang
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Korea
| | - Sang Min Lee
- Division of Pulmonology and Allergy, Department of Internal Medicine, Gachon University College of Medicine, Incheon, Korea
| | | | | | | | - Hye Mi Jee
- Department of Pediatrics, CHA University School of Medicine, Seongnam, Korea
| | - Yang Park
- Department of Pediatrics, Sanbon Hospital, Wonkwang University College of Medicine, Gunpo, Korea
| | - Young-Il Koh
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Korea
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6
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Antihistamines for the Treatment of Allergic Rhino-conjunctivitis. CURRENT TREATMENT OPTIONS IN ALLERGY 2016. [DOI: 10.1007/s40521-016-0073-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Mösges R, König V, Köberlein J. The effectiveness of modern antihistamines for treatment of allergic rhinitis - an IPD meta-analysis of 140,853 patients. Allergol Int 2013; 62:215-22. [PMID: 23524648 DOI: 10.2332/allergolint.12-oa-0486] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Accepted: 11/28/2012] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Allergic rhinitis represents a worldwide health problem. The prevalence is increasing. The aim of this study was to analyse the correlation between the severity of allergic rhinitis and an adequate treatment dose of modern oral antihistamines. METHODS From a comprehensive databank containing data from ten different open-label prospective observational studies including raw data of 140,853 patients with allergic rhinitis, symptomatology variables were analysed and scored to study the effects of treatment with four antihistamines (Desloratadine, Ebastine, Fexofenadine, Levocetirizine) alone or in combination with intranasal corticosteroids. The patient data were collected in 23,606 study centres from Germany, mostly medical specialist and some primary care physicians in private practice. The analyses were performed via individual patient data meta-analysis techniques. RESULTS Finally 92,900 patient data from nine of ten studies could be analysed. One study with data of 47,953 patients was excluded due to incomplete treatment documentation. Both monotherapy analysis subgroups (Total Symptom Score and Total Nasal Symptom Score) were significantly better than those of their combinations with intranasal steroids. Monotherapy with levocetirizine was determined to be significantly more effective in lowering the Total Symptom Score (p < 0.001) and the Total Nasal Symptom Score (p < 0.05) than the other antihistamines. In the next stage, a greater positive effect of levocetirizine was demonstrated in relation to the severity of the clinical symptoms of allergic rhinitis (Total Nasal Symptom Score in cases with severe symptomatology [effect size = -0.09]). CONCLUSIONS Levocetirizine asserted itself as the only antihistamine compared with the others as significant in this analysis. The study authors recommend monotherapy with the new-generation antihistamine levocetirizine, especially in severe cases of allergic rhinitis.
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Affiliation(s)
- Ralph Mösges
- Institute of Medical Statistics, Informatics and Epidemiology (IMSIE), University of Cologne, Cologne, Germany.
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8
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Abstract
This article reviews the molecular biology of the interaction of histamine with its H1-receptor and describes the concept that H1-antihistamines are not receptor antagonists but are inverse agonists i.e. they produce the opposite effect on the receptor to histamine. It then discourages the use of first-generation H1-antihistamines in clinical practice today for two main reasons. First, they are less effective than second generation H1-antihistamines. Second, they have unwanted side effects, particularly central nervous system and anti-cholinergic effects, and have the potential for causing severe toxic reactions which are not shared by second-generation H1-antihistamines. There are many efficacious and safe second-generation H1-antihistamines on the market for the treatment of allergic disease. Of the three drugs highlighted in this review, levocetirizine and fexofenadine are the most efficacious in humans in vivo. However, levocetirizine may cause somnolence in susceptible individuals while fexofenadine has a relatively short duration of action requiring twice daily administration for full all round daily protection. While desloratadine is less efficacious, it has the advantages of rarely causing somnolence and having a long duration of action. Lastly, all H1-antihistamines have anti-inflammatory effects but it requires regular daily dosing rather than dosing 'on-demand' for this effect to be clinically demonstrable.
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9
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Abstract
This article reviews the molecular biology of the interaction of histamine with
its H1-receptor and describes the concept that
H1-antihistamines are not receptor antagonists but are inverse
agonists i.e. they produce the opposite effect on the receptor to histamine. It
then discourages the use of first-generation H1-antihistamines in
clinical practice today for two main reasons. First, they are less effective
than second generation H1-antihistamines. Second, they have unwanted
side effects, particularly central nervous system and anti-cholinergic effects,
and have the potential for causing severe toxic reactions which are not shared
by second-generation H1-antihistamines. There are many efficacious
and safe second-generation H1-antihistamines on the market for the
treatment of allergic disease. Of the three drugs highlighted in this review,
levocetirizine and fexofenadine are the most efficacious in humans in
vivo. However, levocetirizine may cause somnolence in susceptible
individuals while fexofenadine has a relatively short duration of action
requiring twice daily administration for full all round daily protection. While
desloratadine is less efficacious, it has the advantages of rarely causing
somnolence and having a long duration of action. Lastly, all
H1-antihistamines have anti-inflammatory effects but it requires
regular daily dosing rather than dosing 'on-demand' for this effect to be
clinically demonstrable.
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10
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Braido F, Baiardini I, Stagi E, Scichilone N, Rossi O, Lombardi C, Ridolo E, Gani F, Balestracci S, Girbino G, Senna GE, Bordo A, Church MK, Canonica GW. RhinAsthma patient perspective: a short daily asthma and rhinitis QoL assessment. Allergy 2012; 67:1443-50. [PMID: 22978345 DOI: 10.1111/all.12014] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2012] [Indexed: 01/30/2023]
Abstract
BACKGROUND The present study aimed to develop a short validated patient-completed questionnaire, the RhinAsthma Patient Perspective (RAPP), to assess the health-related quality of life (HRQoL) in patients with asthma and comorbid allergic rhinitis in clinical practice. METHODS A provisional RAPP questionnaire was formed from candidate items identified through retrospective analysis of 333 RHINASTHMA questionnaires. This was then tested on 150 asthma patients with allergic rhinitis. RESULTS Psychometric analyses identified eight items fitting a unidimensional model to form RAPP. Internal consistency (Cronbach's alpha coefficient > 0.8) and agreement with RHINASTHMA (r = -0.31, P = 0.0001) were excellent. Criterion, discriminant, and convergent validity were good. Reliability in 47 stable patients was very good (intra-class and concordance correlation coefficients were 0.90 and 0.89, respectively). Responsiveness in 103 patients with health improvement or deterioration was significantly associated with changes in Global Rating Scale (r = -0.4965, P < 0.01), Rhinitis Visual Analogue Scale (r = 0.5722, P < 0.01) and asthma control test (r = -0.6483, P < 0.01). Minimal clinical difference in the analyzed population was 2. CONCLUSION RhinAsthma Patient Perspective is a simple eight-question questionnaire with good measurement properties and sensitivity to health changes, which will provide a valid, reliable and standardized HRQoL measurement in patients with asthma and comorbid allergic rhinitis in clinical practice.
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Affiliation(s)
- F. Braido
- Allergy and Respiratory Diseases Clinic; University of Genoa; IRCCS-AOU San Martino; Genova; Italy
| | - I. Baiardini
- Allergy and Respiratory Diseases Clinic; University of Genoa; IRCCS-AOU San Martino; Genova; Italy
| | - E. Stagi
- Epidemiology, Biostatistics and Clinical trials; National Cancer Research Institute; Genoa; Italy
| | - N. Scichilone
- Dipartimento Biomedico di Medicina Interna e Specialistica; University of Palermo; ‘Villa Sofia-Cervello’ Hospital; Palermo; Italy
| | - O. Rossi
- Operative Immunoallergy Unit; A.O.U. Careggi; Florence; Italy
| | - C. Lombardi
- Pneumoallergology Unit; S. Orsola FBF Hospital; Brescia; Italy
| | - E. Ridolo
- Clinical Sciences; University of Parma; Parma; Italy
| | - F. Gani
- Allergy Unit; Respiratory Diseases Division; A.O.U. San Luigi; Torino; Italy
| | - S. Balestracci
- Allergy and Respiratory Diseases Clinic; University of Genoa; IRCCS-AOU San Martino; Genova; Italy
| | - G. Girbino
- Respiratory Department; University Hospital; Messina; Italy
| | - G. E. Senna
- Allergy Service; Verona Major Hospital; Verona; Italy
| | - A. Bordo
- Allergy and Respiratory Diseases Clinic; University of Genoa; IRCCS-AOU San Martino; Genova; Italy
| | - M. K. Church
- Department of Dermatology and Allergy; Allergy Centre Charité; Charité-Universitätsmedizin Berlin; Berlin; Germany
| | - G. W. Canonica
- Allergy and Respiratory Diseases Clinic; University of Genoa; IRCCS-AOU San Martino; Genova; Italy
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11
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Mullol J. Positioning of antihistamines in the Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines. ACTA ACUST UNITED AC 2012. [DOI: 10.1111/j.1472-9733.2011.01158.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Joaquim Mullol
- Clinical and Experimental Respiratory Immunoallergy; IDIBAPS
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12
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Simons FER, Simons KJ. Histamine and H1-antihistamines: Celebrating a century of progress. J Allergy Clin Immunol 2011; 128:1139-1150.e4. [DOI: 10.1016/j.jaci.2011.09.005] [Citation(s) in RCA: 238] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2011] [Revised: 09/06/2011] [Accepted: 09/07/2011] [Indexed: 02/06/2023]
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Cooper PR, Zhang J, Damera G, Hoshi T, Zopf DA, Panettieri RA. C-027 inhibits IgE-mediated passive sensitization bronchoconstriction and acts as a histamine and serotonin antagonist in human airways. Allergy Asthma Proc 2011; 32:359-65. [PMID: 22195688 DOI: 10.2500/aap.2011.32.3460] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Atopic asthma is poorly controlled by current therapies. Newer therapies and novel antihistamines are, therefore, required to treat patients whose atopic asthma is not controlled. For the first time, C-027 is shown to antagonize histamine, IgE-mediated and serotonin-induced contraction in human airways and vessels. Human precision-cut lung slices (PCLS, 250 μm thick), containing an airway or blood vessel, were pretreated with either C-027 (2 hours) or with vehicle alone and were contracted with histamine or serotonin. Known antihistamine was used as a comparator in antihistamine studies. Also, human airways were contracted via IgE passive sensitization in the presence or absence of C-027 or fexofenadine. Affinity of C-027 toward human G-protein coupled receptors was also determined, as well as the drug's biodistribution in murine model. C-027 was shown to have the highest affinity toward human histamine and serotonin receptors. Subsequently, C-027 was shown to antagonize histamine- and serotonin-induced airway and vascular smooth muscle contraction, respectively, and histamine-released bronchocontraction mediated by IgE passive sensitization in human small airways. C-027 also inhibited histamine-mediated single-cell calcium ion release. Low levels of C-027 were found in murine brain tissue. Collectively, these data suggest that C-027 markedly inhibits IgE-induced bronchoconstriction and antagonizes histamine and serotonin-contraction with little biodistribution in the brain. The compound may offer a future therapy for allergen-induced airway hyperresponsiveness in patients with asthma.
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Affiliation(s)
- Philip R. Cooper
- Department of Medicine and the Airway Biology Initiative, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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14
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Calderon MA, Penagos M, Sheikh A, Canonica GW, Durham S. Sublingual immunotherapy for treating allergic conjunctivitis. Cochrane Database Syst Rev 2011:CD007685. [PMID: 21735416 DOI: 10.1002/14651858.cd007685.pub2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Allergic ocular symptoms, although frequently trivialised, are common and represent an important comorbidity of allergic rhinitis. Sublingual Immunotherapy (SLIT) is an effective and well-tolerated treatment for allergic rhinitis, but its effects on symptoms of ocular allergy have not been well established. OBJECTIVES To evaluate the efficacy of SLIT compared with placebo for reductions in ocular symptoms, topical ocular medication requirements and conjunctival immediate allergen sensitivity. SEARCH STRATEGY We searched CENTRAL (which contains the Cochrane Eyes and Vision Group Trials Register) (The Cochrane Library 2011, Issue 1), MEDLINE (January 1950 to January 2011), EMBASE (January 1980 to January 2011), Latin American and Caribbean Literature on Health Sciences (LILACS) (January 1982 to January 2011), Web of Science (January 1970 to January 2011), Biosis Previews, (January 1979 to January 2011), the metaRegister of Controlled Trials (mRCT) (www.controlled-trials.com) (January 2011), ClinicalTrials.gov (www.clinicaltrials.gov) (January 2011), the Australian New Zealand Clinical Trials Registry (ANZCTR) (www.actr.org.au) (July 2010), SCOPUS (November 2008) and the UK Clinical Trials Gateway (January 2010). There were no language or date restrictions in the search for trials. All electronic databases except for SCOPUS, the UK Clinical Trials Gateway and ANZCTR were last searched on 19 January 2011. SELECTION CRITERIA Randomised controlled trials (RCTs), double-masked and placebo controlled, which evaluated the efficacy of SLIT in patients with symptoms of allergic rhinoconjunctivitis (ARC) or allergic conjunctivitis (AC). DATA COLLECTION AND ANALYSIS The primary outcome was the total ocular symptom scores. Secondary endpoints included individual ocular symptom scores (such as itchy eyes, red eyes, watery eyes, swollen eyes), ocular medication scores (eye drops) and conjunctival immediate allergen sensitivity (CIAS). Data were analysed and reported as standardised mean differences (SMDs) using Review Manager software. MAIN RESULTS Forty-two trials (n = 3958 total participants; n= 2011 SLIT and n = 1947 placebo) had available data to evaluate the efficacy of SLIT on AC and were included in the meta-analyses. Heterogeneity among studies (I(2) statistic) was around 50% or below for all endpoints. Sublingual immunotherapy induced a significant reduction in both total ocular symptom scores (SMD -0.41; 95% confidence interval (CI) -0.53 to -0.28; P < 0.00001; I(2) = 59%) and individual ocular symptom scores for red eyes (SMD -0.33; 95% CI -0.45 to -0.22; P < 0.00001; I(2) = 27%), itchy eyes (SMD -0.31; 95% CI -0.42 to -0.20; P < 0.00001; I(2) = 46%) and watery eyes (SMD -0.23; 95% CI -0.34 to -0.11; P < 0.0001; I(2) = 42%) compared to placebo. Those participants having active treatment showed an increase in the threshold dose for the conjunctival allergen provocation test (SMD 0.35; 95% CI 0.00 to 0.69; P = 0.05; I(2) = 43%). No significant reduction was observed in ocular eye drops use (SMD -0.10; 95% CI -0.22 to 0.03; P = 0.13; I(2) = 34%). AUTHORS' CONCLUSIONS Overall, SLIT is moderately effective in reducing total and individual ocular symptom scores in participants with ARC and AC. There were however some concerns about the overall quality of the evidence-base, this relating to inadequate descriptions of allocation concealment in some studies, statistical heterogeneity and the possibility of publication bias. There is a need for further large rigorously designed studies that study long-term effectiveness after discontinuation of treatment and establish the cost-effectiveness of SLIT.
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Affiliation(s)
- Moises A Calderon
- Department of Allergy and Respiratory Medicine, Royal Brompton Hospital, Imperial College School of Medicine at the National Heart and Lung Institute, London, UK, SW3 6LY
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15
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Laekeman G, Simoens S, Buffels J, Gillard M, Robillard T, Benedetti MS, Watelet JB, Liekendael G, Ghys L, Church M. Continuous versus on-demand pharmacotherapy of allergic rhinitis: Evidence and practice. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.rmedc.2011.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Continuous versus on-demand pharmacotherapy of allergic rhinitis: Evidence and practice. Respir Med 2010; 104:615-25. [DOI: 10.1016/j.rmed.2010.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2009] [Revised: 12/11/2009] [Accepted: 01/10/2010] [Indexed: 11/22/2022]
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Singh-Franco D, Ghin HL, Robles GI, Borja-Hart N, Perez A. Levocetirizine for the treatment of allergic rhinitis and chronic idiopathic urticaria in adults and children. Clin Ther 2009; 31:1664-87. [PMID: 19808127 DOI: 10.1016/j.clinthera.2009.08.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2009] [Indexed: 11/17/2022]
Abstract
BACKGROUND Levocetirizine (LCZ) is a second-generation antihistamine that was approved in January 2008 for the relief of symptoms of seasonal allergic rhinitis (SAR), perennial allergic rhinitis (PAR), and chronic idiopathic urticaria (CIU) in adults and children aged > or = 6 years. OBJECTIVES This article reviews the available literature on the pharmacokinetics and pharmacodynamics, clinical efficacy and tolerability, and effect on quality of life (QoL) of LCZ. METHODS A search of the English-language literature was performed using the following databases: MEDLINE (1966-February 2009), International Pharmaceutical Abstracts (19 70-February 2009), Database of Abstracts of Reviews of Effectiveness, Cochrane Database of Systematic Reviews, EMBASE Drugs & Pharmacology (1991-February 2009), Blackwell Synergy, CINAHL Plus with Full Text, EBSCOhost, ScienceDirect, and Wiley Interscience. The search terms were levocetirizine, allergic rhinitis, chronic idiopathic urticaria, antihistamine, pharmacokinetics, quality of life, drug interactions, case reports, and cost. Publications describing studies of > or = 2 weeks' duration that concerned the efficacy, tolerability, pharmacoeconomics, and/or QoL effects of LCZ were included in the review. RESULTS In 4 studies in adult patients with moderate to severe PAR, LCZ 5 mg/d was associated with significant improvements in symptom scores for sneezing, rhinorrhea, and ocular/nasal pruritus at 4 to 6 weeks compared with placebo (P < or = 0.05). In 3 studies, nasal congestion scores were significantly improved within 4 to 6 weeks compared with placebo (P < 0.001). LCZ 5 mg/d was associated with improvements compared with placebo in scores for the ability to do housework, complete work activities, and engage in outdoor activities at 6 months (P < or = 0.011). In a 6-week study in children with moderate to severe SAR, LCZ 5 mg/d was associated with significant improvements compared with placebo in sneezing, rhin-orrhea, and itchy nose (P < 0.004); significant improvements in symptoms from baseline were also seen in a 4-week study in adults with SAR (P < 0.001). One study in patients with SAR reported no significant difference between LCZ and fluticasone compared with fluticasone monotherapy in terms of improvement in QoL, nasal airflow obstruction, sneezing, or pruritus. In a 6-week study in patients with moderate to severe CIU, LCZ 5 mg/d was significantly more effective than placebo in reducing overall CIU symptoms (P < 0.05). In two 4-week studies, one comparing LCZ 5 mg/d with placebo and the other comparing it with desloratadine (DSL), LCZ was significantly more effective than either comparator in terms of improvement in scores for pruritus severity (P < or = 0.001 vs placebo; P < 0.004 vs DSL) and duration (P < or = 0.001 vs placebo; P = 0.009 vs DSL). LCZ was significantly more effective than placebo (but not DSL) in reducing the number and size of wheals (both, P = 0.001). In a 12-week, open-label, crossover study, patients reported significantly longer symptom relief with cetirizine than LCZ (P < 0.005). The most commonly reported adverse events in two 6-month studies in adults with PAR treated with LCZ 5 mg/d included headache (23.8%), pharyngitis (19.4%), influenza (14.6%), fatigue (8.3%), and somnolence (8.3%). There is serious concern about the possibility of febrile seizures in infants treated with LCZ. Three pharmacoeconomic studies of LCZ 5 mg/d were identified, one comparing it with placebo in patients with PAR, one comparing it with placebo in patients with CIU, and another comparing it with second-generation antihistamines and montelukast in patients with PAR. Because of design limitations and differences in comparators in these studies, it was not possible to determine the cost-effectiveness of LCZ in the treatment of PAR or CIU. CONCLUSIONS In the studies reviewed, LCZ 5 mg/d was effective in reducing symptoms of PAR, SAR, and CIU and improving QoL, with an acceptable tolerabili-ty profile. There is a need for studies of longer durations, head-to-head comparisons against other anti-histamines, drug-interaction studies, safety studies in infants, and cost-effectiveness analyses.
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Affiliation(s)
- Devada Singh-Franco
- Health Professions Division, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, Florida 33328, USA.
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Canonica GW, Compalati E. Minimal persistent inflammation in allergic rhinitis: implications for current treatment strategies. Clin Exp Immunol 2009; 158:260-71. [PMID: 19765020 PMCID: PMC2792821 DOI: 10.1111/j.1365-2249.2009.04017.x] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2009] [Indexed: 12/21/2022] Open
Abstract
Patients with allergic rhinitis have traditionally been placed into 'seasonal' and 'perennial' categories, which do not account for the subclinical inflammatory state that exists in many patients. In subjects with seasonal and perennial allergic rhinitis, even subthreshold doses of allergen have been found to cause inflammatory cell infiltration in the nasal mucosa, including increases in expression of cellular adhesion molecules, nasal and conjunctival eosinophilia, and other markers of inflammation, which do not result in overt allergy symptoms. This state - which has been termed 'minimal persistent inflammation'- may contribute to hyperreactivity and increased susceptibility to development of clinical symptoms as well as common co-morbidities of allergic rhinitis, such as asthma. Treating overt allergy symptoms as well as this underlying inflammatory state requires agents that have well-established clinical efficacy, convenient administration, potent anti-inflammatory effects and proven long-term safety, so that long-term continuous administration is feasible. Of the three major classes of commonly used allergic rhinitis medications - intranasal corticosteroids, anti-histamines, and anti-leukotrienes - intranasal corticosteroids appear to represent the most reasonable therapeutic option in patients who would benefit from continuous inhibition of persistent inflammation.
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MESH Headings
- Administration, Intranasal
- Allergens/immunology
- Asthma/etiology
- Chronic Disease
- Glucocorticoids/therapeutic use
- Histamine H1 Antagonists/therapeutic use
- Humans
- Intercellular Adhesion Molecule-1/immunology
- Leukotriene Antagonists/therapeutic use
- Rhinitis, Allergic, Perennial/complications
- Rhinitis, Allergic, Perennial/drug therapy
- Rhinitis, Allergic, Perennial/immunology
- Rhinitis, Allergic, Seasonal/complications
- Rhinitis, Allergic, Seasonal/drug therapy
- Rhinitis, Allergic, Seasonal/immunology
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Affiliation(s)
- G W Canonica
- Allergy and Respiratory Diseases, Clinic Dipartmento di Medicina Interna e Specialita Mediche (DIMI), University of Genova, Genova, Italy.
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Scordamaglia F, Compalati E, Baiardini I, Scordamaglia A, Canonica GW. Levocetirizine in the treatment of allergic diseases. Expert Opin Pharmacother 2009; 10:2367-77. [PMID: 19663743 DOI: 10.1517/14656560903193086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Levocetirizine, the R-enantiomer of cetirizine dihydrochloride, is a new molecule with a potent and selective antihistamine activity. OBJECTIVE To investigate the evidence that levocetirizine is an effective therapy for allergic disease. METHODS Evaluation of published articles in English, or having an English abstract. RESULTS Clinical trials indicate that levocetirizine is safe and effective for the treatment of allergic rhinitis and chronic idiopathic urticaria. The compound shows a rapid onset of action, high bioavailability and affinity for the H1 receptor. Moreover, this molecule demonstrates many anti-inflammatory effects that enhance the clinical therapeutic benefit not only in short-term but also in long-term treatments, as reported in recent trials utilizing levocetirizine for several months. CONCLUSION Levocetirizine confirms its safe effective activity for treatment of allergic disease in both adults and children.
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Affiliation(s)
- Francesca Scordamaglia
- Genoa University, Department of Internal Medicine, Allergy and Respiratory Diseases, Genoa, Italy
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Update on prescription and over-the-counter histamine inverse agonists in rhinitis therapy. Curr Allergy Asthma Rep 2009; 9:140-8. [PMID: 19210904 DOI: 10.1007/s11882-009-0021-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Allergic rhinitis (AR) is associated with histamine-mediated physiologic events. The currently used histamine antagonists are all inverse agonists that bind and inactivate histamine H1 receptors. Second-generation antihistamines are much more H1-receptor selective with less central nervous system penetration than first-generation agents. Antihistamines typically are more effective in seasonal than perennial AR and do not demonstrate significant relief of nasal congestion. The recent availability of some second-generation antihistamines as over-the-counter products clearly places them as the preferred first-line treatment for mild to moderate AR based on safety when compared with first-generation over-the-counter antihistamines. The remaining prescription-only second-generation antihistamines, fexofenadine, desloratadine, and levocetirizine, all have unique attributes. Antihistamines in oral, intranasal, or intraocular formulations will likely remain among the mainstays of allergy therapeutics.
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