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Efficacy of Allergen Immunotherapy for Allergic Rhinitis in Thais

Phase 4
Completed
Conditions
Rhinitis, Allergic, Perennial
Interventions
Other: Control
Biological: Intervention
Registration Number
NCT01115595
Lead Sponsor
Pongsakorn Tantilipikorn
Brief Summary

The purpose of this study is to study the efficacy of allergen injection immunotherapy for allergic rhinitis by

* symptoms score

* medication score

* quality of life

* immunologic test from blood

Detailed Description

Compare the efficacy of allergen injection immunotherapy between the treatment group and the placebo group after injection for

* 2 months

* 6 months

* 12 months

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
84
Inclusion Criteria
  • patients with the symptoms of allergic rhinitis who sensitized to mite (Dermatophagoides pteronyssinus)
  • positive skin prick test to D.p. at 4+ degree
Exclusion Criteria
  • steroid dependent asthma
  • force expiratory volume (FEV1) less than 70% of predicted value
  • previous injection immunotherapy within 2 years
  • pregnancy
  • medical conditions such as ischemic heart disease, autoimmune disease, cancer, previous history of anaphylaxis

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Control GroupControlInjection by buffer solution WITH standard allergic medication (oral antihistamine and/or topical nasal steroid
InterventionInterventioninjection by Mite extract with standard allergic medication (oral antihistamine and/or topical nasal steroid)
Primary Outcome Measures
NameTimeMethod
Total nasal symptoms scoreaverage within 1 week

3 point scale (0,1,2,3) and combination of

* nasal block

* rhinorrhea

* itching

* sneezing

Secondary Outcome Measures
NameTimeMethod
Combined total symptoms score and medication scoreaverage within 1 week

Total symptom score (nasal block, rhinorrhea, itching, sneezing, and eye symptoms with chest symptoms = Maximal score --\> 18 devided by 6 = 3) PLUS medication score ( antihistamine = 1, topical nasal steroid = 2; --\> Maximal score = 3).

Trial Locations

Locations (1)

Division of Allergy and Rhinology, Faculty of Medicine Siriraj, Mahidol University

🇹🇭

Bangkok, Thailand

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