International Severe Asthma Registry: Mission Statement

ISAR Study Group, Porsbjerg, C. & Backer, V., apr. 2020, I : Chest. 157, 4, s. 805-814 10 s.

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NORDSTAR - Paving the way for a new era in asthma research

Geale, K., Darabi, H., Lindh, M., Wahl, H. F., Ström, O., Cao, H., Alvares, L., Dodge, R., Loefroth, E., Altraja, A., Backer, V., Backman, H., Bjermer, L., Bossios, A., Aarli, B. B., Dahlén, B., Hilberg, O., Jansson, C., Kankaanranta, H., Karjalainen, J., Kauppi, P., Kilpeläinen, M., Lehmann, S., Lehtimäki, L., Lundbäck, B., Sandström, T., Ulrik, C. S., Sverrild, A., Viinanen, A., von Bülow, A., Yasinska, V. & Porsbjerg, C., apr. 2020, I : The European Respiratory Journal. 55, 4, 1902476.

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Clinical characteristics of the BREATHE cohort - a real-life study on patients with asthma and COPD

Backer, V., Klein, D. K., Bodtger, U., Romberg, K., Porsbjerg, C., Erjefält, J. S., Kristiansen, K., Xu, R., Silberbrandt, A., Frøssing, L., Hvidtfeldt, M., Obling, N., Jarenbäck, L., Nasr, A., Tufvesson, E., Mori, M., Winther-Jensen, M., Karlsson, L., Nihlén, U., Veje Flintegaard, T. & Bjermer, L., 17 mar. 2020, I : European Clinical Respiratory Journal. 7, 1, s. 1736934

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The impact of dysfunctional breathing on the level of asthma control in difficult asthma

Sedeh, F. B., Von Bülow, A., Backer, V., Bodtger, U., Petersen, U. S., Vest, S., Hull, J. & Porsbjerg, C., 8 feb. 2020, I : Respiratory medicine. 163, s. 105894

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Characteristics and treatment regimens across ERS SHARP severe asthma registries

SHARP Clinical Research Collaboration, jan. 2020, I : The European Respiratory Journal. 55, 1

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Physiological abnormalities in patients admitted with acute exacerbation of COPD: an observational study with continuous monitoring

Elvekjaer, M., Aasvang, E. K., Olsen, R. M., Sørensen, H. B. D., Porsbjerg, C. M., Jensen, J-U., Haahr-Raunkjær, C., Meyhoff, C. S. & WARD-Project Group, 2020, I : Journal of Clinical Monitoring and Computing. s. epub

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Protocol for a multicentre randomised controlled trial to investigate the effect on asthma-related quality of life from breathing retraining in patients with incomplete asthma control attending specialist care in Denmark

Andreasson, K. H., Skou, S. T., Ulrik, C. S., Madsen, H., Sidenius, K., Jacobsen, J. S., Assing, K. D., Rasmussen, K. B., Porsbjerg, C., Thomas, M. & Bodtger, U., 31 dec. 2019, I : BMJ Open. 9, 12

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Biomarker-guided management reduces exacerbations in non-eosinophilic asthma in pregnancy: A secondary analysis of a randomized controlled trial

Murphy, V. E., Porsbjerg, C. M., Robijn, A. L. & Gibson, P. G., 26 okt. 2019, I : Respirology (Carlton, Vic.).

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Development of the International Severe Asthma Registry (ISAR): a modified Delphi study

Bulathsinhala, L., Eleangovan, N., Heaney, L. G., Menzies-Gow, A., Gibson, P. G., Peters, M., Hew, M., van Boven, J. F., Lehtimäki, L., van Ganse, E., Belhassen, M., Harvey, E., Perez de Llano, L., Maitland-van der Zee, A. H., Papadopoulos, N., FitzGerald, J. M., Porsbjerg, C., Canonica, G. W., Backer, V., Rhee, C. K., Verhamme, K., Buhl, R., Cosio, B. G., Carter, V., Price, C., Le, T., Stagno d'Alcontres, M., Gopalan, G., Tran, T. & Price, D., feb. 2019, I : The journal of allergy and clinical immunology. In practice. s. 578-88 11 s., 7.

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Bronchoscopic mucosal cryobiopsies as a method for studying airway disease

Hvidtfeldt, M., Pulga, A., Hostrup, M., Sanden, C., Mori, M., Bornesund, D., Larsen, K. R., Erjefält, J. S. & Porsbjerg, C., 2019, I : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 49, s. 27-34 7 s.

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Differentiation of adult severe asthma from difficult-to-treat asthma - Outcomes of a systematic assessment protocol

von Bülow, A., Backer, V., Bodtger, U., Søes-Petersen, N. U., Vest, S., Steffensen, I. & Porsbjerg, C., dec. 2018, I : Respiratory medicine. 145, s. 41-47 7 s.

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Validation of ATS clinical practice guideline cut-points for FeNO in asthma

Veidal, S., Sverrild, A., Backer, V. & Porsbjerg, C., nov. 2018, I : Respiratory medicine. 144, s. 22-29 8 s.

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FeNO-based asthma management results in faster improvement of airway hyperresponsiveness

Bernholm, K. F., Meteran, H., Jensen, C. B., Porsbjerg, C., Homøe, A-S. & Backer, V., okt. 2018, I : ERJ Open Research. 4, 4, s. pii:00147-2017

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Airway Interleukin-33 and type 2 cytokines in adult patients with acute asthma

Poulsen, N. N., Bjerregaard, A., Khoo, S-K., Laing, I. A., Le Souëf, P., Backer, V., Rapley, L., Cohen, S. E., Barrett, L., Thompson, P., Baltic, S. & Porsbjerg, C., jul. 2018, I : Respiratory medicine. 140, s. 50-56 7 s.

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Advancing the management of Obstructive Airways Diseases through Translational Research

Porsbjerg, C., Sverrild, A., Baines, K. J., Searles, A., Maltby, S., Foster, P. S., Brightling, C. & Gibson, P. G., maj 2018, I : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 48, 5, s. 493-501 9 s.

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Testing for Exercise-Induced Bronchoconstriction

Brannan, J. D. & Porsbjerg, C., maj 2018, I : Immunology and Allergy Clinics of North America. 38, 2, s. 215-229 15 s.

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Allergic asthma is associated with increased risk of infections requiring antibiotics

Woehlk, C., von Bülow, A., Kriegbaum, M., Backer, V. & Porsbjerg, C., feb. 2018, I : Annals of Allergy, Asthma & Immunology. 120, 2, s. 169-176.e1

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Overweight in childhood and adolescence: Does it lead to airway hyperresponsiveness in adulthood?

Toennesen, L. L., Bjerregaard, A., Porsbjerg, C., Ulrik, C. S., Harmsen, L. & Backer, V., feb. 2018, I : The Journal of asthma : official journal of the Association for the Care of Asthma. 55, 2, s. 1-8

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Effects of Exercise and Diet in Nonobese Asthma Patients-A Randomized Controlled Trial

Toennesen, L. L., Meteran, H., Hostrup, M., Wium Geiker, N. R., Jensen, C. B., Porsbjerg, C., Astrup, A., Bangsbo, J., Parker, D. & Backer, V., 2018, I : The journal of allergy and clinical immunology. In practice. 6, 3, s. 803-811

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Exhaled and nasal nitric oxide in chronic rhinosinusitis patients with nasal polyps in primary care

Frendø, M., Håkansson, K., Schwer, S., Ravn, A. T., Meteran, H., Porsbjerg, C., Backer, V. & von Buchwald, C., 2018, I : Rhinology. 56, s. 59-64

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Feasibility of high-intensity training in asthma

Toennesen, L. L., Soerensen, E. D., Hostrup, M., Porsbjerg, C., Bangsbo, J. & Backer, V., 2018, I : European Clinical Respiratory Journal. 5, 1, s. 1468714

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Nordic consensus statement on the systematic assessment and management of possible severe asthma in adults

Porsbjerg, C., Ulrik, C., Skjold, T., Backer, V., Laerum, B., Lehman, S., Janson, C., Sandstrøm, T., Bjermer, L., Dahlen, B., Lundbäck, B., Ludviksdottir, D., Björnsdóttir, U., Altraja, A., Lehtimäki, L., Kauppi, P., Karjalainen, J. & Kankaanranta, H., 2018, I : European Clinical Respiratory Journal. 5, 1, s. 1440868

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Objective confirmation of asthma diagnosis improves medication adherence

Backer, V., Stensen, L., Sverrild, A., Wedge, E. & Porsbjerg, C., 2018, I : The Journal of asthma : official journal of the Association for the Care of Asthma. 55, 11, s. 1262-1268 7 s.

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Novel monoclonal treatments in severe asthma

Meteran, H., Meteran, H., Porsbjerg, C. & Backer, V., nov. 2017, I : The Journal of asthma : official journal of the Association for the Care of Asthma. 54, 10, s. 991-1011 21 s.

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Natural history of skin prick test reactivity: A 20-year prospective study of a random population sample of children and adolescents

Schou Nielsen, J., Meteran, H., Ulrik, C. S., Porsbjerg, C. & Backer, V., 2 aug. 2017, I : Annals of Allergy, Asthma & Immunology. s. 184 188 s.

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High fractional exhaled nitric oxide and sputum eosinophils are associated with an increased risk of future virus-induced exacerbations -NDASH- a prospective cohort study

Bjerregaard, A., Laing, I. A., Backer, V., Sverrild, A., Khoo, S-K., Chidlow, G., Sikazwe, C., Smith, D. W., Le Souëf, P. & Porsbjerg, C., 1 aug. 2017, I : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 47, 8

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Eosinophilic airway inflammation in asthma is associated with an altered airway microbiome

Sverrild, A., Kiilerich, P., Brejnrod, A., Pedersen, R., Porsbjerg, C., Bergqvist, A., Erjefält, J. S., Kristiansen, K. & Backer, V., aug. 2017, I : The Journal of allergy and clinical immunology. 140, 2, s. 407-417 11 s.

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Environment Changes Genetic Effects on Respiratory Conditions and Allergic Phenotypes

Song, Y., Schwager, M. J., Backer, V., Guo, J., Porsbjerg, C., Khoo, S-K., Laing, I. A., Moses, E. K., LeSouëf, P. & Zhang, G. B., 24 jul. 2017, I : Scientific Reports. 7, 1, s. 6342

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Two-week inhalation of budesonide increases muscle Na,K ATPase content but not endurance in response to terbutaline in men

Nielsen, M. H., Onslev, J., Jessen, S. K., Porsbjerg, C. & Clausen, T., jul. 2017, I : Scandinavian journal of medicine & science in sports. 27, 7, s. 684-691

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Co-morbidities in severe asthma: Clinical impact and management

Porsbjerg, C. & Menzies-Gow, A., maj 2017, I : Respirology (Carlton, Vic.). 22, 4, s. 651-661 11 s.

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Stability of FeNO and airway hyperresponsiveness to mannitol in untreated asthmatics

Udesen, P. B., Westergaard, C. G., Porsbjerg, C. & Backer, V., maj 2017, I : The Journal of asthma : official journal of the Association for the Care of Asthma. 54, 5, s. 530-536

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A rare IL33 loss-of-function mutation reduces blood eosinophil counts and protects from asthma

Smith, D., Helgason, H., Sulem, P., Bjornsdottir, U. S., Lim, A. C., Sveinbjornsson, G., Hasegawa, H., Brown, M. P., Ketchem, R. R., Gavala, M., Garrett, L., Jonasdottir, A., Jonasdottir, A., Sigurdsson, A., Magnusson, O. T., Eyjolfsson, G. I., Olafsson, I., Onundarson, P. T., Sigurdardottir, O., Gislason, D., Gislason, T., Ludviksson, B. R., Ludviksdottir, D., Boezen, H. M., Heinzmann, A., Krueger, M., Porsbjerg, C., Ahluwalia, T. V. S., Waage, J., Backer, V., Deichmann, K. A., Koppelman, G. H., Bønnelykke, K., Bisgaard, H., Masson, G., Thorsteinsdottir, U., Gudbjartsson, D. F., Johnston, J. A., Jonsdottir, I. & Stefansson, K., mar. 2017, I : P L o S Genetics. 13, 3, s. e1006659

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The level of diagnostic assessment in severe asthma: A nationwide real-life study

von Bülow, A., Backer, V., Bodtger, U., Søes-Petersen, N. U., Assing, K. D., Skjold, T. & Porsbjerg, C., mar. 2017, I : Respiratory medicine. 124, s. 21-29 9 s.

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Characteristics associated with clinical severity and inflammatory phenotype of naturally occurring virus-induced exacerbations of asthma in adults

Bjerregaard, A., Laing, I. A., Poulsen, N., Backer, V., Sverrild, A., Fally, M., Khoo, S-K., Barrett, L., Baltic, S., Thompson, P. J., Chidlow, G., Sikazwe, C., Smith, D. W., Bochkov, Y. A., Le Souëf, P. & Porsbjerg, C., feb. 2017, I : Respiratory medicine. 123, s. 34-41 8 s.

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Clinical characteristics of eosinophilic asthma exacerbations

Bjerregaard, A., Laing, I. A., Backer, V., Fally, M., Khoo, S-K., Chidlow, G., Sikazwe, C., Smith, D. W., Le Souëf, P. & Porsbjerg, C., feb. 2017, I : Respirology (Carlton, Vic.). 22, 2, s. 295-300

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The impact of dysfunctional breathing on the assessment of asthma control

Veidal, S., Jeppegaard, M., Sverrild, A., Backer, V. & Porsbjerg, C., feb. 2017, I : Respiratory medicine. 123, s. 42-47 6 s.

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Identification of Airway-Mucosal Type-2 inflammation by Clinical Biomarkers in Asthma

Silkoff, P. E., Laviolette, M., Singh, D., FitzGerald, J. M., Kelsen, S., Backer, V., Porsbjerg, C. M., Girodet, P-O., Berger, P., Kline, J. N., Chupp, G., Susulic, V. S., Barnathan, E. S., Baribaud, F., Loza, M. J. & Airways Disease Endotyping for Personalized Therapeutics (ADEPT) study investigators, 12 jan. 2017, I : The Journal of allergy and clinical immunology.

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Dysfunktionel vejrtrækning hos patienter med astma

Andreasson, K. H., Skou, S. T., Porsbjerg, C., Veidal, S. & Bødtger, U., 9 jan. 2017, I : Ugeskrift for Laeger. 179, 2

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Inhaled Steroids and Active Smoking Drive Chronic Obstructive Pulmonary Disease Symptoms and Biomarkers to a Greater Degree Than Airflow Limitation

Silkoff, P. E., Singh, D., FitzGerald, J. M., Eich, A., Ludwig-Sengpiel, A., Chupp, G. C., Backer, V., Porsbjerg, C., Girodet, P-O., Dransfield, M. T., Baribaud, F., Susulic, V. S. & Loza, M. J., 2017, I : Biomarker Insights. 12, s. 1177271917730306

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Think twice – Diagnostic delay in a patient with acute chest pain

Bang, C. L. & Porsbjerg, C., 15 aug. 2016, I : Respiratory Medicine Case Reports. 19, s. 94-97

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Smoking Cessation and the Microbiome in Induced Sputum Samples from Cigarette Smoking Asthma Patients

Munck, C., Helby, J., Westergaard, C. G., Porsbjerg, C., Backer, V. & Hansen, L. H., 8 jul. 2016, I : P L o S One. 11, 7, s. e0158622

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Point-of-care procalcitonin test to reduce antibiotic exposure in patients hospitalized with acute exacerbation of COPD

Corti, C., Fally, M., Fabricius-Bjerre, A., Mortensen, K., Jensen, B. N., Andreassen, H. F., Porsbjerg, C., Knudsen, J. D. & Jensen, J-U., 22 jun. 2016, I : International journal of chronic obstructive pulmonary disease. 11, s. 1381-9 9 s.

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Bronchial provocation testing does not detect exercise-induced laryngeal obstruction

Walsted, E. S., Hull, J. H., Sverrild, A., Porsbjerg, C. & Backer, V., 10 jun. 2016, I : The Journal of asthma : official journal of the Association for the Care of Asthma. 54, 1, s. 77-83

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Airway responsiveness to mannitol in asthma is associated with chymase-positive mast cells and eosinophilic airway inflammation

Sverrild, A., Bergqvist, A., Baines, K. J., Porsbjerg, C., Andersson, A. M. C., Thomsen, S. F., Hoffmann, H. J., Gibson, P., Erjefält, J. S. & Backer, V., feb. 2016, I : Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology. 46, 2, s. 288-297 9 s.

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Increased asthma and adipose tissue inflammatory gene expression with obesity and Inuit migration to a western country

Backer, V., Baines, K. J., Powell, H., Porsbjerg, C. & Gibson, P. G., feb. 2016, I : Respiratory medicine. 111, s. 8–15

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IL-33 is related to innate immune activation and sensitization to HDM in mild steroid-free asthma

Porsbjerg, C., Baines, K., Gibson, P., Bergqvist, A., Erjefält, J. S., Sverrild, A. & Backer, V., 18 dec. 2015, I : Clinical and Experimental Allergy. 46

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YKL-40 and genetic status of CHI3L1 in a large group of asthmatics

Hansen, J. W., Thomsen, S. F., Porsbjerg, C., Rasmussen, L. M., Harmsen, L., Johansen, J. S. & Backer, V., 16 sep. 2015, I : European Clinical Respiratory Journal. 2, 25117, s. 25117

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The effect of Varenicline on smoking cessation in a group of young asthma patients

Westergaard, C. G., Porsbjerg, C. & Backer, V., 30 jul. 2015, I : Respiratory medicine. 109, 11, s. 1416-1422

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Lung function impairment increases with age of diagnosis in adult onset asthma

Porsbjerg, C., Lange, P. & Ulrik, C. S., jul. 2015, I : Respiratory medicine. 109, 7, s. 821–827

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Emerging corticosteroid agonists for the treatment of asthma

Westergaard, C. G., Porsbjerg, C. & Backer, V., 24 jun. 2015, I : Expert Opinion on Emerging Drugs. s. 1-10 10 s.

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