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Anales del Sistema Sanitario de Navarra

versión impresa ISSN 1137-6627


ECHECHIPIA, S. et al. Immunotherapy with grouped doses. Anales Sis San Navarra [online]. 2003, vol.26, suppl.2, pp.119-127. ISSN 1137-6627.

Once the efficacy and safety of immunotherapy with allergen extracts has been shown, recently it has become evident the need for perfecting those aspects of the treatment that can be improved, such as its dosage form. The conventional dosage of subcutaneous immunotherapy in the phase of dose increase is slow in reaching an efficient level. For this reason other alternative dosages to the conventional one have been tried out, such as grouped dosages, which shorten this period of dose increase. On condition that the safety of the treatment is guaranteed, these doses offer the advantages of reducing the economic cost and the time involved, of reducing the discomfort of the treatment and of improving the patient’s adherence to the treatment, and possibly of reaching clinical efficacy more rapidly. Nonetheless, it is not easy to determine the suitable dosage of administration (the shortest and with the least number of adverse reactions) and this article reviews the existing problems when it comes to designing these grouped doses. Finally, we present the results of a comparative study between the conventional dose and a grouped dose, with a double blind design, carried out by us, which shows that the grouped dose is quicker in achieving the desired clinical efficacy, shortens the times of reduction of cutaneous sensitivity to the allergen and of modification of the immunological parameters, all with a low frequency of adverse reactions that is similar to that registered with the conventional dosage.

Palabras clave : Immunotherapy with allergen extracts; Dosage forms; Efficacy; Safety.

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