A.A. VASILEVA1, O.A. BAREYCHEVA2  1Kazan State Medical University, Kazan 2Republic Clinical Hospital, Kazan Contact details: Vasileva A.A. — PhD (medicine), Associate Professor of the Department of Clinical Immunology and Allergology Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7-987-188-63-44, e-mail: a-v.doc@mail.ru Allergen-specific immunotherapy (ASIT) is known to be a course-modifying treatment of allergic diseases. […]