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Molecular evidence underlying specific immunotherapy in patients with allergic rhinitis

Completed
Conditions
Allergic rhinitis
Inflammatory and Immune System - Allergies
Registration Number
ACTRN12613000445774
Lead Sponsor
i Tian Ying
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
50
Inclusion Criteria

Patients were (1) age from 20 to 45 years old; (2) having persistent AR symptoms during the past two consecutive years; (3) allergic sensitization to Dermatophagoides pteronyssinus, (Der p) & Dermatophagoides farina (Der f)) confirmed by both skin prick test (SPT) and ImmunoCap (Registered Trademark) (Phadia, Uppsala, Sweden); (4) no previous treatment of SIT; and (5) negative SPT results to other common inhalant allergens (e.g., common pollens, cockroach, fungi, and animal dander). Healthy subjects without any allergy history and allergic symptoms were selected as a control group.

Exclusion Criteria

All recruited subjects (both allergic rhintis patients and healthy controls) did not have an infection, asthma, autoimmune diseases, or other upper airway diseases such as septal deviation, nasal polyps, or sinusitis before enrolment. Furthermore, all participants had not received any form of steroids or SIT at least six months before the study.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Clinical symptoms assessed by visual analogue scale (VAS). The subjects were instructed that Score 0” meant overall symptoms not all bothersome” and that Score 10” meant overall symptoms extremely bothersome”. [2 years after administration]
Secondary Outcome Measures
NameTimeMethod
Th17 response was inhibited by immunotherapy in patients with allergic rhinitis, by assessing the expression levels of Th17 associated genes.[2 years after adminstration]
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