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J Allergy Clin Immunol. 2009 Jan;123(1):160-166.e3. doi: 10.1016/j.jaci.2008.10.009. Epub 2008 Nov 29.

Efficacy and safety of 5-grass-pollen sublingual immunotherapy tablets in pediatric allergic rhinoconjunctivitis.

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  • 1Berlin Children's Hospital, Charité/Campus Virchow-Klinikum, Augustenburger Platz, Berlin, Germany.



The efficacy and safety of the 300-index of reactivity (IR) dose of 5-grass-pollen sublingual immunotherapy (SLIT) tablets (Stallergènes, Antony, France) have been demonstrated for the treatment of hay fever in adults.


We sought to assess the efficacy and safety of this tablet in children and adolescents with grass pollen-related allergic rhinitis.


In this multinational, randomized, double-blind, placebo-controlled study, 278 children (5-17 years of age) with grass pollen-related rhinoconjunctivitis (confirmed by means of a positive grass pollen skin prick test response and serum-specific IgE measurement) received once-daily SLIT tablets or placebo. Treatment was initiated 4 months before the estimated pollen season and continued throughout the season. The primary outcome was the rhinoconjunctivitis total symptom score (RTSS), a sum of 6 individual symptom scores: sneezing, runny nose, itchy nose, nasal congestion, watery eyes, and itchy eyes. Secondary end points included rescue medication intake, individual scores, and safety.


The intent-to-treat population included 266 children (mean age, 10.9 +/- 3.22 years). The RTSS for the 300-IR group was highly significantly different from that of the placebo group (P = .001). The 300-IR group showed a mean improvement for the RTSS of 28.0% over that seen with placebo and a median improvement of 39.3%. Significant differences between the 300-IR and placebo groups were also observed regarding rescue medication score and proportion of days using rescue medication during the pollen season (P = .0064 and P = .0146, respectively). Adverse events were generally mild or moderate in intensity and expected. No serious side effects were reported.


Five-grass-pollen SLIT tablets (300 IR) reduce both symptom scores and rescue medication use in children and adolescents with grass pollen-related rhinoconjunctivitis.

[PubMed - indexed for MEDLINE]
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