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Å. Ryrfeldt · SciRah

Researcher profile · Semantic Scholar

Å. Ryrfeldt

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Å. Ryrfeldt — researcher profile on SciRah

h-index: 20
Works: 62
Citations: 1,451

Most-cited papers

Pharmacokinetics and metabolism of budesonide, a selective glucocorticoid.
Å. Ryrfeldt, P. Andersson, S. Edsbäcker, M. Tönnesson +2 more
1982European journal of respiratory diseases. Supplement319 citations
Semantic Scholar
Lung mechanics of the guinea-pig isolated perfused lung.
F. Kröll, J. Karlsson, E. Nilsson, C. Persson +1 more
1986Acta Physiologica Scandinavica94 citations
Semantic Scholar
Biotransformation of the topical glucocorticoids budesonide and beclomethasone 17α,21‐dipropionate in human liver and lung homogenate
P. Andersson, Å. Ryrfeldt
1984The Journal of pharmacy and pharmacology84 citations
Semantic Scholar
Liver metabolism of budesonide in rat, mouse, and man. Comparative aspects.
S. Edsbäcker, P. Andersson, C. Lindberg, J. Paulson +2 more
1987Drug Metabolism And Disposition76 citations
Semantic Scholar
Metabolic pathways of the topical glucocorticoid budesonide in man.
S. Edsbäcker, S. Jönsson, C. Lindberg, Å. Ryrfeldt +1 more
1983Drug Metabolism And Disposition55 citations
Semantic Scholar
Kinetics of the epimeric glucocorticoid budesonide
Å. Ryrfeldt, S. Edsbäcker, R. Pauwels
1984Clinical pharmacology and therapy48 citations
Semantic Scholar
Transport and binding of lidocaine by lung slices and perfused lung of rats.
Claes Post, R. Andersson, Å. Ryrfeldt, E. Nilsson
2009Acta Pharmacologica et Toxicologica47 citations
Semantic Scholar
A Novel Method to Aerosolize Powder for Short Inhalation Exposures at High Concentrations: Isolated Rat Lungs Exposed to Respirable Diesel Soot
P. Gerde, P. Ewing, L. Låstbom, Å. Ryrfeldt +2 more
2004Inhalation Toxicology47 citations
Semantic Scholar
Comparison of Aerosol and Intranasal Challenge in a Mouse Model of Allergic Airway Inflammation and Hyperresponsiveness
L. Swedin, R. Ellis, C. Kemi, Å. Ryrfeldt +3 more
2010International Archives of Allergy and Immunology43 citations
Semantic Scholar
Dry Powder Inhalation Exposures of the Endotracheally Intubated Rat Lung, Ex Vivo and In Vivo: The Pulmonary Pharmacokinetics of Fluticasone Furoate
E. Selg, P. Ewing, F. Acevedo, Carl-Olof Sjöberg +2 more
2013Journal of Aerosol Medicine41 citations
Semantic Scholar
Dissociation of airway inflammation and hyperresponsiveness by cyclooxygenase inhibition in allergen challenged mice
L. Swedin, T. Neimert-Andersson, J. Hjoberg, S. Jonasson +4 more
2009European Respiratory Journal39 citations Open access
Semantic Scholar
Interactions among Three Classes of Mediators Explain Antigen-Induced Bronchoconstriction in the Isolated Perfused and Ventilated Guinea Pig Lung
E. Sundström, L. Låstbom, Å. Ryrfeldt, S. Dahlén
2003Journal of Pharmacology and Experimental Therapeutics39 citations
Semantic Scholar
Increasing exposure levels cause an abrupt change in the absorption and metabolism of acutely inhaled benzo(a)pyrene in the isolated, ventilated, and perfused lung of the rat.
P. Ewing, B. Blomgren, Å. Ryrfeldt, P. Gerde
2006Toxicological Sciences36 citations
Semantic Scholar
Physico-chemical modification of lidocaine uptake in rat lung tissue.
Claes Post, R. Andersson, Å. Ryrfeldt, E. Nilsson
2009Acta Pharmacologica et Toxicologica35 citations
Semantic Scholar
Uptake and biotransformation of ibuterol and terbutaline in isolated perfused rat and guinea pig lungs.
Å. Ryrfeldt, E. Nilsson
1978Biochemical Pharmacology35 citations
Semantic Scholar
Antagonism of thromboxane receptors by diclofenac and lumiracoxib
E. Selg, C. Buccellati, M. Andersson, GE Rovati +10 more
2007British Journal of Pharmacology34 citations Open access
Semantic Scholar
Elimination pathways of terbutaline.
K. Tegner, H. Nilsson, C. Persson, K. Persson +1 more
1984European journal of respiratory diseases. Supplement34 citations
Semantic Scholar
Biliary excretion of penicillins in the rat
Å. Ryrfeldt
1971The Journal of pharmacy and pharmacology30 citations
Semantic Scholar
Short Inhalation Exposures of the Isolated and Perfused Rat Lung to Respirable Dry Particle Aerosols; the Detailed Pharmacokinetics of Budesonide, Formoterol, and Terbutaline
P. Ewing, S. Eirefelt, P. Andersson, A. Blomgren +2 more
2008Journal of Aerosol Medicine25 citations
Semantic Scholar
Nasal bioavailability and systemic effects of the glucocorticoid budesonide in man
S. Edsbäcker, Karl-Erik Andersson, Å. Ryrfeldt
2004European Journal of Clinical Pharmacology25 citations
Semantic Scholar
Delivering Horseradish Peroxidase as a Respirable Powder to the Isolated, Perfused, and Ventilated Lung of the Rat: The Pulmonary Disposition of an Inhaled Model Biopharmaceutical
E. Selg, F. Acevedo, R. Nybom, B. Blomgren +2 more
2010Journal of Aerosol Medicine18 citations
Semantic Scholar
Prostaglandin modulation of airway inflammation and hyperresponsiveness in mice sensitized without adjuvant.
L. Swedin, R. Ellis, T. Neimert-Andersson, Å. Ryrfeldt +4 more
2010Prostaglandins & other lipid mediators18 citations
Semantic Scholar
Metabolic acetal splitting of budesonide. A novel inactivation pathway for topical glucocorticoids.
S. Edsbäcker, P. Andersson, C. Lindberg, Å. Ryrfeldt +1 more
1987Drug Metabolism And Disposition18 citations
Semantic Scholar
The Bronchial Circulation—A Significant Local Distribution System in the Lung, in Inhalation Therapy?
Å. Ryrfeldt
199016 citations
Semantic Scholar
The biliary excretion of 3H-inulin and 3H-terbutaline in the unanesthetized rat.
Hans E. Eriksson, W. Hellström, Å. Ryrfeldt
1975Acta Physiologica Scandinavica16 citations
Semantic Scholar
Sulfur dioxide-induced bronchoconstriction via ruthenium red-sensitive activation of sensory nerves.
Luigi Atzori, G. Bannenberg, Anna Maria Corriga, Ya-ping Lou +3 more
1992Respiration; international review of thoracic diseases15 citations
Semantic Scholar
The physiological disposition of ibuterol, terbutaline and isoproterenol after endotracheal instillation to rats.
Å. Ryrfeldt, N. Bodin
1975Xenobiotica; the fate of foreign compounds in biological systems15 citations
Semantic Scholar
Whole-body autoradiography of 1-tetrahydrocannabinol and 1(6)-tetrahydrocannabinol in mouse. Pharmacokinetic aspects of 1-tetrahydrocannabinol and its metabolites.
Å. Ryrfeldt, C. Ramsay, I. Nilsson, M. Widman +1 more
1973Acta pharmaceutica Suecica15 citations
Semantic Scholar
Distribution of terbutaline.
Å. Ryrfeldt, C. Ramsay
1984European journal of respiratory diseases. Supplement13 citations
Semantic Scholar
Vasoconstriction after inhalation of budesonide: a study in the isolated and perfused rat lung.
P. Ewing, Å. Ryrfeldt, Carl-Olof Sjöberg, P. Andersson +2 more
2010Pulmonary Pharmacology & Therapeutics12 citations Open access
Semantic Scholar
Rapid clearance of xanthines from airway and pulmonary tissues.
F. Kröll, J. Karlsson, E. Nilsson, Å. Ryrfeldt +1 more
1990American Review of Respiratory Disease12 citations
Semantic Scholar
A comparison between the metabolism of delta 1-tetrahydrocannabinol by perfused lung and liver of rat and guinea-pig.
M. Halldin, H. Isaac, M. Widman, E. Nilsson +1 more
1984Xenobiotica; the fate of foreign compounds in biological systems11 citations
Semantic Scholar
Two different mechanisms for modulation of bronchoconstriction in guinea-pigs by cyclooxygenase metabolites.
E. Selg, M. Andersson, L. Låstbom, Å. Ryrfeldt +1 more
2009Prostaglandins & other lipid mediators10 citations
Semantic Scholar
In Vitro Models to Study Mechanisms of Lung Toxicity
Å. Ryrfeldt, I. Cotgreave, P. Moldéus
199010 citations
Semantic Scholar
Bambuterol: Uptake and Metabolism in Guinea Pig Isolated Lungs
Å. Ryrfeldt, E. Nilsson, A. Tunek, Leif Svensson
1988Pharmaceutical Research9 citations
Semantic Scholar
Effects of selective and non-selective COX inhibitors on antigen-induced release of prostanoid mediators and bronchoconstriction in the isolated perfused and ventilated guinea pig lung.
E. Selg, L. Låstbom, Å. Ryrfeldt, M. Kumlin +1 more
2008Prostaglandins, Leukotrienes and Essential Fatty Acids7 citations
Semantic Scholar
The distribution and fate of 14C-cloforex in the lung of the rat.
Å. Ryrfeldt, C. Ramsay, L. Appelgren
2009Acta Pharmacologica et Toxicologica6 citations
Semantic Scholar
Liver Tumors in Male Rats Following Treatment with Glucocorticosteroids
Å. Ryrfeldt, R. Squire, Lars Ekman
1992Toxicologic pathology (Print)6 citations Open access
Semantic Scholar
Adenosine-induced bronchoconstriction in the guinea-pig isolated lung: interaction with theophylline and enprofylline.
F. Kröll, J. Karlsson, Å. Ryrfeldt, C. G. Persson
1988Pulmonary Pharmacology6 citations
Semantic Scholar
The toxicity of Foscarnet (phosphonoformic acid, trisodium salt; PFA) studied in cultured dog renal Tubular Cells.
Alf Wallin, Å. Ryrfeldt
1995Toxicology in Vitro5 citations
Semantic Scholar
Hypocalcemia induced by foscarnet (Foscavir) infusion in dogs.
Å. Ryrfeldt, T. Nordgren, J. Lundström
1992Fundamental and Applied Toxicology5 citations
Semantic Scholar
Hypocalcemia Induced by Foscarnet (Foscavir) Infusion in Dogs
Å. Ryrfeldt, T. Nordgren, J. Lundström
19924 citations
Semantic Scholar
Drug induced esophageal lesions studied in vitro.
Å. Ryrfeldt, K. Norbeck, S. Reiland, P. Moldéus
1990Acta Physiologica Scandinavica Supplementum4 citations
Semantic Scholar
Effect of structural alterations on the biotransformation rate of glucocorticosteroids in rat and human liver.
P. Andersson, M. Lihné, A. Thalén, Å. Ryrfeldt
1987Xenobiotica; the fate of foreign compounds in biological systems4 citations
Semantic Scholar
Effects of Budesonide and Dexamethasone on Cell Morphology, Thymidine Incorporation and Glutamine Synthetase Activity in Rat Primary Astroglial Culture
Å. Ryrfeldt, E. Hansson, R. Brattsand
19892 citations
Semantic Scholar
Antagonism of thromboxane receptors by diclofenac and lumiracoxib
E. Selg, C. Buccellati, M. Andersson, GE Rovati +10 more
20081 citations Open access
Semantic Scholar
Acute lung function impairment by hexamethylene diisocyanate and toluene diisocyanate : A comparative study using isolated guinea pig lungs
L. Låstbom, P. Camner, Å. Ryrfeldt
19991 citations
Semantic Scholar
Testicular effects of some xanthine derivatives in the rat.
M. Dahlbäck, Å. Ryrfeldt
1984Archives of toxicology. Supplement. = Archiv fur Toxikologie. Supplement1 citations
Semantic Scholar
Uptake and degradation of 3H-phenoxymethylpenicillin in rat liver slices.
Å. Ryrfeldt
1973Acta pharmaceutica Suecica1 citations
Semantic Scholar
The biliary excretion of some quarternary ammonium compounds and tertiary amines in rat.
Å. Ryrfeldt, E. Hansson
1970Acta Pharmacologica et Toxicologica1 citations
Semantic Scholar

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S. Dahlén×8
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E. Nilsson×7
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P. Andersson×6
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P. Gerde×6
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L. Låstbom — researcher profile on SciRah

S. Edsbäcker×5

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E. Selg — researcher profile on SciRah

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A. Thalén — researcher profile on SciRah

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F. Kröll — researcher profile on SciRah

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C. Lindberg — researcher profile on SciRah

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P. Ewing — researcher profile on SciRah

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P. Moldéus — researcher profile on SciRah