Journal
PEDIATRIC ALLERGY AND IMMUNOLOGY
Volume 25, Issue 8, Pages 760-766Publisher
WILEY
DOI: 10.1111/pai.12298
Keywords
adolescents; allergen immunotherapy; allergic rhinitis; children; grass pollen sublingual tablet; safety; sublingual immunotherapy; tolerability
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Funding
- Stallergenes GmbH (Kamp-Lintfort, Germany)
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BackgroundThe safety and efficacy of pre- and coseasonal sublingual allergen immunotherapy (SLIT) with a 5-grass pollen sublingual tablet have been demonstrated in a randomized clinical trial (RCT) in children and adolescents. Observational, real-life' studies can usefully complement the results of RCTs. MethodsA prospective, open-label, observational, multicentre post-marketing study of children and adolescents (aged 5-17, with grass pollen-induced allergic rhinitis) treated with the 5-grass pollen sublingual tablet was performed between June 2009 and January 2011 in Germany. Adverse events (AEs) were recorded during consultations with the investigating physicians; AEs judged to have at least a possible causal link to the tablet were classified as adverse drug reactions (ADRs). ResultsEight hundred and forty-nine patients were enrolled (by 207 investigating physicians), 829 (means.d. age: 10.9 +/- 3.3yr) completed the study without major protocol deviations, and 796 were fully documented with respect to AEs. Ninety-four of the 796 patients (11.8%) experienced at least one ADR on the first day of SLIT and 218 (27.4%) experienced at least one ADR during the study. Four hundred and sixty-six of the 596 ADRs (78.2%) were mild or moderate. The most common ADRs were throat irritation (19.1% of the reactions), oral paresthesia (8.2%), oral pruritus (6.5%) and oedema mouth (6.2%). Serious ADRs occurred in five patients. No epinephrine use was reported. Seventy-six of the 829 patients (9.2%) discontinued SLIT due to AEs. Tolerability was judged to be good or very good by patients (84.7%), parents (87.0%) and investigators (89.7%). ConclusionsIn clinical practice, pre- and coseasonal treatment with a 5-grass pollen sublingual tablet is safe and well tolerated in children and adolescents.
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