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A Trial Evaluating Tolerability of Grazax Treatment in Combination With Antihistamine — GT-19  

Allergic Rhinoconjunctivitis Clinical Trial

Official title:
A Phase III Trial Evaluating Tolerability of Grazax Treatment in Combination With Antihistamine in Subjects With Seasonal Grass Pollen Induced Rhinoconjunctivitis

Clinical Trial Summary

Many grass pollen allergic subjects treated with immunotherapy tablets experience treatment related adverse events when initiating treatment.

The majority are local allergic reactions within the mouth and/or throat, and most of these reactions are mild or moderate. It is anticipated that intake of antihistamine before initiation of Grazax treatment would most likely reduce the discomfort associated with initiation of Grazax treatment. So this trial was to investigate if administration of antihistamine prior to initiation of Grazax treatment results in a reduction of subjects reporting local allergic reactions.

Clinical Trial Description

Many grass pollen allergic subjects treated with immunotherapy tablets experience treatment related adverse events when initiating treatment. The adverse events are considered consistent with the introduction of allergens in sensitised subjects. The majority are local allergic reactions within the mouth and/or throat. Most of these reactions are mild or moderate in intensity, have an onset almost immediately after taking a tablet, and last from minutes to hours after intake. Appearance of adverse events in relation to tablet intake tends to subside spontaneously within 1 to 7 days. Thus, initiation of treatment with Grazax may be associated with discomfort. It is anticipated that intake of antihistamine before initiation of Grazax treatment would most likely reduce the discomfort associated with initiation of Grazax treatment. Therefore, the rationale for this trial was to investigate if administration of antihistamine prior to initiation of Grazax treatment results in a reduction of subjects reporting local allergic reactions. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01740284
Study type Interventional
Source ALK-Abelló A/S
Contact
Status Completed
Phase Phase 3
Start date September 2008
Completion date January 2009
View Details
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