Allergy Asthma Immunol Res.  2015 Mar;7(2):118-123. 10.4168/aair.2015.7.2.118.

Three-Year Follow-up Results of Sublingual Immunotherapy in Patients With Allergic Rhinitis Sensitized to House Dust Mites

Affiliations
  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea.
  • 2Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Korea. csrhee@snu.ac.kr
  • 3Graduate School of Immunology, Seoul National University, Seoul, Korea.
  • 4Sensory Organ Research Institute, Seoul National University, Seoul, Korea.
  • 5Institute of Allergy and Clinical Immunology, Seoul National University Biomedical Research Institute, Seoul, Korea.

Abstract

PURPOSE
This study investigated the long-term efficacy, safety, and compliance associated with sublingual immunotherapy (SLIT) in Korean patients with allergic rhinitis sensitized to house dust mites.
METHODS
This is a retrospective cohort study. A total of 164 patients who were sensitized to Dermatophagoides pteronyssinus and Dermatophagoides farinae and who received SLIT were enrolled between November 2007 and January 2010. Each patient was followed up using a diary card, on which a symptom score, rescue medication score, and adverse events (AEs) were recorded.
RESULTS
All allergic rhinitis symptoms improved after 3 years of SLIT (P<0.05), and the rescue medication score decreased with time (P<0.05). The incidence of AEs associated with SLIT was 31% (51 of 164 patients) during the first month of therapy, and there were no severe AEs. The dropout rate was 19.5% (32 of 164 patients) during the first month, 34% (56 of 164 patients) after 6 months, and 41% (68 of 164 patients) after 1 year of SLIT. The 3-year compliance rate was approximately 40% (65 of 164 patients). The most common causes of dropout during the first month of SLIT were high cost and inconvenience. The improvement in allergic symptoms was the most common cause of dropout after 6 months.
CONCLUSIONS
Allergic symptoms significantly decreased after 1 year of SLIT treatment, and this effect was sustained after 2 or 3 years of treatment. By increasing compliance through patient education, the 3-year use of SLIT for house dust mite allergies may be effective in the management of allergic rhinitis.

Keyword

Allergic rhinitis; sublingual immunotherapy; house dust mites; efficacy; safety; compliance

MeSH Terms

Cohort Studies
Compliance
Dermatophagoides farinae
Dermatophagoides pteronyssinus
Follow-Up Studies*
Humans
Hypersensitivity
Incidence
Patient Dropouts
Patient Education as Topic
Pyroglyphidae*
Retrospective Studies
Rhinitis*
Sublingual Immunotherapy*

Figure

  • Fig. 1 Total symptom scores.

  • Fig. 2 Rescue medication scores.


Cited by  1 articles

A Survey of Korean Physicians’ Prescription Patterns for Allergic Rhinitis
Min Young Seo, Dong-Kyu Kim, Hye Mi Jee, Young Min Ahn, Yong Min Kim, Sang Duk Hong
Clin Exp Otorhinolaryngol. 2017;10(4):332-337.    doi: 10.21053/ceo.2017.00143.


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