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Adverse reactions and tolerability of high-dose sublingual allergen immunotherapy

Authors Moral A, Moreno V, Girón F, El-Qutob D, Moure JD, Alcántara M, Padial A, Oehling AG, Millán C, de la Torre F

Received 5 March 2016

Accepted for publication 14 May 2016

Published 29 June 2016 Volume 2016:9 Pages 129—133

DOI https://doi.org/10.2147/JAA.S107830

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Luis Garcia-Marcos


Angel Moral,1 Victoria Moreno,2 Francisco Girón,3 David El-Qutob,4 José D Moure,5 Manuel Alcántara,6 Antonia Padial,7 Alberto G Oehling,8 Carmen Millán,9 Fernando de la Torre10

1Allergy Service, Hospital Virgen del Valle, Toledo, 2Allergy Service, Hospital Blanca Paloma, Huelva, 3Consulta Privada, Granada, 4Allergy Service, Clínica Atenea, Castellón, 5Pediatric Department, Complejo Hospitalario Universitario de Santiago, A Coruña, 6Allergy Service, Complejo Hospitalario de Jaén, Jaén, 7Allergy Service, Hospital Infanta Sofía, Madrid, 8Centro de Alergia y Asma Balear, Mallorca, 9Consulta Privada, Cádiz, 10ALK-Abelló, SA, Madrid, Spain

Background: Sublingual allergen immunotherapy is an effective treatment against allergic respiratory disease. Many studies have shown the safety of this type of therapy, although the factors that might affect the tolerability of high-dose sublingual immunotherapy have not been well established. The aim of this study was to determine the factors that affect the tolerability of sublingual allergen immunotherapy.
Patients and methods: A total of 183 subjects aged ≥5 years, diagnosed with allergic rhinitis with/without mild to moderate asthma due to sensitization to grass, olive pollen, or mites, were included in this open, retrospective, multicentric, noninterventional study. Sublingual immunotherapy was administered for at least 3 months.
Results: The most frequent adverse reaction was oral pruritus (13.7% of the patients). Most of the reactions were local (84.7%) and immediate (93.5%) and occurred during the initiation phase (60.6%). All reactions were mild to moderate in severity. No serious adverse reactions were registered. When comparing factors with potential influence on the occurrence of adverse reactions, the results between the groups of subjects with and without adverse reactions showed no statistically significant differences in sex (P=0.6417), age (P=0.1801), years since the disease was first diagnosed (P=0.3800), treatment composition (P=0.6946), polysensitization (P=0.1730), or clinical diagnosis (P=0.3354). However, it was found that treatment duration had a statistically significant influence (3 months, >3 months: P=0.0442) and the presence of asthma was close to statistical significance (P=0.0847).
Conclusion: In our study, treatment duration is significantly associated with the occurrence of adverse reactions after the administration of high doses of sublingual allergen immunotherapy.

Keywords: sublingual immunotherapy, tolerability, allergic rhinitis, Olea europaea, grass, Dermatophagoides pteronyssinus

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