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Clin Exp Allergy. 2009 Mar;39(3):401-8. doi: 10.1111/j.1365-2222.2008.03159.x. Epub 2008 Dec 23.

Efficacy and safety of high-doses sublingual immunotherapy in ultra-rush scheme in children allergic to grass pollen.

Author information

1
Department of Pediatrics and Allergy, N Copernicus Hospital, 62 Pabianicka Street, Lodz, Poland. alergol@kopernik.lodz.pl

Abstract

BACKGROUND:

Although sublingual immunotherapy (SLIT) has been used with increasing frequency, the data on the efficacy of SLIT in pediatric asthma are limited.

AIM:

The aim of our study was to evaluate the efficacy and the safety of high-dose SLIT given pre-seasonally and co-seasonally in an ultra-rush scheme in children with bronchial asthma allergic to grass pollen.

METHODS:

Fifty children with asthma, aged 6-17, sensitive to grass pollen, participated in the 2-year prospective, randomized, double-blind, placebo-controlled trial, to investigate the efficacy and safety of SLIT (Staloral 300 IR, Stallergenes SA, 25 microg major allergens) as a standardized extract of five grass pollen with ultra-rush induction.

RESULTS:

SLIT significantly improved asthma symptom scores (41% vs. placebo group), reduced nasal symptoms (25% vs. placebo group) and the use of rescue medications (10% vs. placebo group), improved forced expiratory volume in 1 s, but had no effect on ocular symptoms, nasal hyper-reactivity, peak expiratory flow and forced expiratory volume between 25% and 75% of vital capacity. Serum levels of immunoglobulin E and IgG4 did not change after SLIT. After the second season of SLIT, an improvement in bronchial hyperresponsiveness was observed; however, compared with placebo, this effect was not significant. Among all subjects in SLIT group, predominantly local reactions have been recorded in 59% of subjects in the first year of treatment and in 35% in the second.

CONCLUSIONS:

Our study indicated that high-dose ultra-rush, co-seasonal SLIT given for 2 years, was safe and reduced a multiple symptom-medication score.

[Indexed for MEDLINE]

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