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Anales del Sistema Sanitario de Navarra

versión impresa ISSN 1137-6627


LASA, E. et al. Local immunotherapy. Anales Sis San Navarra [online]. 2003, vol.26, suppl.2, pp.111-118. ISSN 1137-6627.

Specific immunotherapy, together with avoidance of the allergen and symptomatic treatment, forms part of the treatment of allergic pathology. The oldest, best known and most studied form is subcutaneous immunotherapy (SCIT), whose efficacy, both in the short and the long term, has been widely demonstrated in numerous studies. However, in spite of having been shown to be safe, it is not free of adverse effects and must be administered under the supervision of medical personnel. This has encouraged the search for new ways of administration of similar efficacy, with a good safety profile and good adherence on the patient’s side. Sublingual immunotherapy (SLIT) is the most relevant of the different alternatives studied. In this alternative the antigen is administered in the form of drops under the tongue. There are different dosages of administration depending on the allergen involved. The optimum treatment dose has still to be determined, at present a wide range of dosages are found in comparison with subcutaneous immunotherapy. Its mechanism of action is little known although immunological changes have been observed in different studies. SLIT has shown a good safety profile with scarce secondary effects, normally of a local character. Similarly, different clinical tests have been carried out in which its efficacy has been shown in the treatment of respiratory allergy both in children and in adults. For this reason, although there are still unresolved data concerning this way of administering the immunotherapy, it has been proposed by the WHO as a valid alternative to SCIT.

Palabras clave : Immunotherapy; Sublingual immunotherapy; Intranasal immunotherapy; Local immunotherapy; Respiratory allergy.

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