Claus R. Johnsen

Claus R. Johnsen

Clinical Associate Professor

Member of:

  • Internal Medicine: Respiratory Medicine


  1. Published

    Aeroallergen analyses and their clinical relevance. I. Immunochemical quantification of allergens by RAST-inhibition, Mab-ELISA, basophil histamine release, and counter current immuno electrophoresis

    Johnsen, Claus R., Abrahamsen, L., Stahl Skov, P., Johansen, N. & Poulsen, Lars K., Oct 1991, In: Allergy. 46, 7, p. 492-501 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Aeroallergen analyses and their clinical relevance. II. Sampling by high-volume airsampler with immunochemical quantification versus Burkard pollen trap sampling with morphologic quantification

    Johnsen, Claus R., Weeke, E. R., Nielsen, J., Jensen, J., Mosbech, H., Frølund, L., Madsen, F. & Poulsen, Lars K., Oct 1992, In: Allergy. 47, 5, p. 510-6 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Allergy Development in Adulthood: An Occupational Cohort Study of the Manufacturing of Industrial Enzymes

    Larsen, A. I., Kristiansen, Luise Cederkvist, Lykke, A. M., Wagner, P., Johnsen, Claus R. & Poulsen, Lars K., 2020, In: The Journal of Allergy and Clinical Immunology: In Practice. 8, 1, p. 210-218.e5

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Antihistamine premedication in specific cluster immunotherapy: A double-blind, placebo-controlled study

    Nielsen, L., Johnsen, Claus R., Mosbech, H., Poulsen, Lars K. & Mailing, H. J., 1996, In: Journal of Allergy and Clinical Immunology. 97, 6, p. 1207-1213 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Complete response to anti-interleukin-5 biologics in a real-life setting: results from the nationwide Danish Severe Asthma Register

    Soendergaard, M. B., Hansen, S., Bjerrum, A. S., Hilberg, O., Lock-Johansson, S., Håkansson, K. E. J., Ingebrigtsen, T. S., Johnsen, Claus R., Rasmussen, L. M., von Bülow, A., Assing, K. D., Schmid, J. M., Ulrik, Charlotte Suppli & Porsbjerg, Celeste Michala, 2022, In: ERJ Open Research. 8, 4, 12 p., 00238-2022.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Efficacy of acrivastine in the treatment of allergic rhinitis during natural pollen exposure: onset of action

    Nielsen, L., Johnsen, Claus R., Bindslev‐Jensen, C. & Poulsen, Lars K., Sep 1994, In: Allergy. 49, 8, p. 630-636 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Exposure chamber for allergen challenge: The development and validation of a new concept

    Rønborg, S. M., Mosbech, H., Johnsen, Claus R. & Poulsen, Lars K., 1996, In: Allergy: European Journal of Allergy and Clinical Immunology. 51, 2, p. 82-88 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Farmakologisk behandling af astma under graviditet

    Akram, I., Ulrik, Charlotte Suppli & Johnsen, Claus R., 27 Jun 2016, In: Ugeskrift for Laeger. 178, V01160065.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Granzyme B production by Th2 helper and NK cells improves the LTT test in patients with non-immediate drug hypersensitivity reactions

    Blom, Lars Heede, Schmidt, L. B., Johnsen, Claus R., Elberling, Jesper Vraamark, Poulsen, Lars K. & Garvey, Lene Heise, 2024, In: Allergy. 79, 2, p. 520-523

    Research output: Contribution to journalComment/debateResearchpeer-review

  10. Published

    High occurrence of rhinitis symptoms in hairdressing apprentices

    Foss-Skiftesvik, M. H., Winther, L., Johnsen, Claus R., Søsted, H., Mosbech, H. F., Zachariae, Claus & Johansen, Jeanne Duus, Jan 2017, In: International Forum of Allergy Rhinology. 7, 1, p. 43-49 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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