Automated cell differential count in sputum is feasible and comparable to manual cell count in identifying eosinophilia

Frøssing, L., Hartvig Lindkær Jensen, T., Østrup Nielsen, J., Hvidtfeldt, M., Silberbrandt, A., Parker, D., Porsbjerg, C. & Backer, V., 23 dec. 2020, (Accepteret/In press) I : The Journal of asthma : official journal of the Association for the Care of Asthma. s. 1-11 11 s.

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The Danish severe asthma register: an electronic platform for severe asthma management and research

Hansen, S., Hilberg, O., Ulrik, C. S., Bodtger, U., M Rasmussen, L., D Assing, K., Wimmer-Aune, A., B Rasmussen, K., Bjerring, N., Christiansen, A., Schmid, J., Krogh, N. S. & Porsbjerg, C., 2 nov. 2020, I : European Clinical Respiratory Journal. 8, 1, s. 1842117

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Anti-alarmins in asthma: targeting the airway epithelium with next-generation biologics

Porsbjerg, C. M., Sverrild, A., Lloyd, C. M., Menzies-Gow, A. N. & Bel, E. H., nov. 2020, I : European Respiratory Journal. Supplement. 56, 5

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The Prevalence of Subtypes of Type 2 Inflammation in an Unselected Population of Patients with Severe Asthma

Frøssing, L., Silberbrandt, A., Von Bülow, A., Backer, V. & Porsbjerg, C., 8 okt. 2020, I : The journal of allergy and clinical immunology. In practice.

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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, okt. 2020, I : Journal of Clinical Monitoring and Computing. 34, 5, s. 1051-1060 10 s.

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International severe asthma registry (ISAR): protocol for a global registry

FitzGerald, J. M., Tran, T. N., Alacqua, M., Altraja, A., Backer, V., Bjermer, L., Bjornsdottir, U., Bourdin, A., Brusselle, G., Bulathsinhala, L., Busby, J., Canonica, G. W., Carter, V., Chaudhry, I., Cho, Y. S., Christoff, G., Cosio, B. G., Costello, R. W., Eleangovan, N., Gibson, P. G., Heaney, L. G., Heffler, E., Hew, M., Hosseini, N., Iwanaga, T., Jackson, D. J., Jones, R., Koh, M. S., Le, T., Lehtimäki, L., Ludviksdottir, D., Maitland-van der Zee, A. H., Menzies-Gow, A., Murray, R. B., Papadopoulos, N. G., Perez-de-Llano, L., Peters, M., Pfeffer, P. E., Popov, T. A., Porsbjerg, C. M., Price, C. A., Rhee, C. K., Sadatsafavi, M., Tohda, Y., Wang, E., Wechsler, M. E., Zangrilli, J. & Price, D. B., 14 aug. 2020, I : BMC Medical Research Methodology. 20, 1, s. 212 212.

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Systematic Assessment of Difficult-to-Treat Asthma: Principles and Perspectives

Hew, M., Menzies-Gow, A., Hull, J. H., Fleming, L., Porsbjerg, C., Brinke, A. T., Allen, D., Gore, R. & Tay, T. R., 8 aug. 2020, I : The journal of allergy and clinical immunology. In practice. 8, 7, s. 2222-2233 12 s.

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Letter from Denmark

Porsbjerg, C., aug. 2020, I : Respirology (Carlton, Vic.). 25, 8, s. 903-904 2 s.

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Airway hyperresponsiveness to mannitol improves in both type 2 high and type 2 low asthma after specialist management

Hvidtfeldt, M., Sverrild, A., Backer, V. & Porsbjerg, C., 24 jun. 2020, I : The Journal of asthma : official journal of the Association for the Care of Asthma. s. 1-8 8 s.

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Proactive Prophylaxis With Azithromycin and HydroxyChloroquine in Hospitalised Patients With COVID-19 (ProPAC-COVID): A structured summary of a study protocol for a randomised controlled trial

Sivapalan, P., Ulrik, C. S., Bojesen, R. D., Lapperre, T. S., Eklöf, J. V., Håkansson, K. E. J., Browatzki, A., Tidemansen, C., Wilcke, J. T., Janner, J., Gottlieb, V., Meteran, H., Porsbjerg, C., Madsen, B. L., Moberg, M., Pedersen, L., Benfield, T. L., Lundgren, J. D., Knop, F. K., Biering-Sørensen, T., Ghanizada, M., Sonne, T. P., Bødtger, U. C. S., Jensen, S. G., Rasmussen, D. B., Brøndum, E., Tupper, O. D., Sørensen, S. W., Alstrup, G., Laursen, C. B., Møller, U. W., Sverrild, A. & Jensen, J-U. S., 10 jun. 2020, I : Trials. 21, 1, 513.

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The six-gene expression signature in whole sampled sputum provides clinically feasible inflammatory phenotyping of asthma

Frøssing, L., Kjærsgaard Klein, D., Backer, V., Baines, K. J. & Porsbjerg, C., jun. 2020, I : ERJ Open Research. 6, 1

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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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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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Elevated blood eosinophils in acute COPD exacerbations: better short- and long-term prognosis

Jabarkhil, A., Moberg, M., Janner, J., Petersen, M. N., Jensen, C. B., Henrik Äangquist, L., Vestbo, J., Jess, T. & Porsbjerg, C., 2020, I : European Clinical Respiratory Journal. 7, 1, s. 1757274 1757274.

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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., 2020, I : Respiratory medicine. 163, s. 105894

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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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Oxidative Stress Attenuates TLR3 Responsiveness and Impairs Anti-viral Mechanisms in Bronchial Epithelial Cells From COPD and Asthma Patients

Menzel, M., Ramu, S., Calvén, J., Olejnicka, B., Sverrild, A., Porsbjerg, C., Tufvesson, E., Bjermer, L., Akbarshahi, H. & Uller, L., okt. 2019, I : Frontiers in Immunology. 10, s. 2765

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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, 1, 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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