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Sensitivity and Specificity of Nasal Provocation Test in Allergic Rhinitis to House Dust Mites

Allergic Rhinitis Clinical Trial

Official title:
Sensitivity and Specificity of Nasal Provocation Test in Allergic Rhinitis to House Dust Mites

Clinical Trial Summary

The diagnosis of allergic rhinitis to dust mites is difficult and based on three elements : suggestive symptoms of clinical sensitization to dust mites (rhinitis), the existence of an IgE sensitization defined by skin tests and / or specific IgE positive to mite and finally the presence of mite allergens in the environment where the patient is symptomatic. Unfortunately, the link between symptoms and exposure to dust mites is rarely found and according to in the literature, 30% of rhinitis sensitized to house dust mites did not react during a conventional nasal provocation test (TPNC) to dust mites. Thus, TPNC to dust mite has an interest in the diagnosis of allergic rhinitis to dust mites when there remains a doubt due to the poly sensitization of the patient, or the lack of specific symptoms and / or the variability of the allergic symptoms during the year. However, this test has not been completely validated with a study including a significant number of patients. That's why the investigators plan a prospective single-center comparative open study with the main objective is to determine the sensitivity and specificity of conventional nasal provocation test (TPNC) in 120 patients of 18 to 65 years old with allergic rhinitis sensitized to dust mites and patients with allergic rhinitis not sensitized to dust mites. The investigators secondary objective is to compare the TPNC a faster TPN-called "minute" (60 minutes) and which allow a wider use. If the investigators demonstrate the validity of TPN then it would become the gold standard needed to decide on a desensitisation to mites.

Clinical Trial Description

n/a

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01485523
Study type Observational
Source University Hospital, Strasbourg, France
Contact
Status Completed
Phase N/A
Start date January 2012
Completion date August 2012
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