Kapp worked in the field of in vitro diagnostics of allergic diseases. However, his main research interest lies in the pathophysiology of inflammatory skin diseases, particularly atopic dermatitis and psoriasis.Raap U, Kapp A: Neuroimmunological findings in allergic skin diseases. Curr Opin Allergy Clin Immunol 5:419-424, 2005Werfel T, Kapp A: Chapter 7: Atopic dermatitis and allergic contact dermatitis. In: Holgate S, Church M, Lichtenstein L (eds): Allergy: Third Edition. Mosby/Elsevier, London, U.K., pp 107–127, 2006Werfel T, Schwerk N, Hansen G, Kapp A: The Diagnosis and Graded. Therapy of Atopic Dermatitis. Dtsch Ärztebl Int 111:509-520 (2014) His main focus in allergy research is in the field of insect allergies and allergic rhinitis, particularly the specific immunotherapy of these diseases, as well as diagnostic and treatment of urticarial.Wedi B, Kapp A: Angio-oedema and urticaria. In: Custovic A, Platts-Mills TAE (eds) Managing Allergy. Clinical Publ, Oxford, pp 111–128, 2009Wedi B, Kapp A: Urticaria and Angioedema. In: Mahmoudi M (ed) Allergy & Asthma – Practical diagnosis and management. Mc Graw Hill - Lange, New York, pp 84–94, 2007Wedi B, Wieczorek D, Raap U, Kapp A: Urticaria. JDDG 12:997-1010 (2014) Genetics, diagnostic and treatment of malignant skin tumours are also in the focus of his scientific work.Weiß J, Herbst RA, Kapp A: Genetics of cutaneous malignant melanoma. Onkologie 22:478-484 (1999)Gutzmer R, Wollenberg A, Ugurel S, Homey B, Ganser A, Kapp A: Cutaneous Side Effects of New Antitumor Drugs: Clinical Features and Management. Dtsch Ärztebl Int 109:133-140 (2012)Alter M, Satzger I, Mattern A, Kapp A, Gutzmer R: Treatment of Advanced Cutaneous Squameous Cell Carcinomas with Epidermal Growth Factor Receptor Inhibitors. Dermatology 227:289-294 (2013) 10 Kapp participated in the development of national and European guidelines on allergy.https://register.awmf.org/de/starthttps://hub.eaaci.org/resources/guidelines/ He was clinical investigator in various clinical studies as well as study director of national and European clinical multicenter studies in the field of dermatology and allergy as well as conductor and coordinator of various in vitro studies in the field of inflammation research and allergy.https://www.researchgate.net/profile/Alexander-Kapp
