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Anales del Sistema Sanitario de Navarra

versión impresa ISSN 1137-6627


LIZASO, M.T. et al. Treatment of allergy to mushrooms. Anales Sis San Navarra [online]. 2003, vol.26, suppl.2, pp.129-137. ISSN 1137-6627.

The treatment of patients with respiratory allergy is based on environmental control measures, pharmacological and immunotherapy treatment. The third cause of allergic respiratory disease in our environment is mushrooms, the most frequently involved being the Alternaria class. However, due to the great difficulties in their diagnosis and specific treatment, there are few controlled studies on immunotherapy with mushroom extracts. A clinical test was carried out with a suitable, biologically standardized extract for the diagnosis and treatment of patients allergic to Alternaria. A second phase determined the maximum tolerated dosage of this extract administered through immunotherapy, in depot preparation and in conventional dosage, which was 0,1 mg/ml of Alt a I. This dosage was established as the maintenance dosage in the following phase (double blind test controlled with placebo), in which the efficacy and safety of the immunotherapy with this extract was determined, administered in immunotherapy to the mentioned maintenance dosage, to 28 patients with rhinitis and/or asthma due to allergy to Alternaria. All the patients reached the pre-established maintenance dosage of 1670 BSU. The treatment proved efficient, producing an improvement in the symptoms, respiratory function, subjective evaluation of patient and doctor, and severity of the disease. The immunological response supported the clinical efficacy, with an increase in the IgG and a fall in the IgE over the course of the study. Tolerance to the treatment was excellent, with only two light systemic reactions registered in the 711 dosages administered (0.28% reactions/dosages administered).

Palabras clave : Allergy; Alternaria; Mushrooms; Immunotherapy.

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