Rhinoconjunctivitis Clinical Trial
Official title:
An Optional One Year Follow-up Study to Evaluate the Continued Efficacy of ToleroMune Ragweed in Ragweed Allergic Subjects Following Challenge With Ragweed Allergen in an Environmental Exposure Chamber.
Ragweed is the primary cause of autumn allergies. The ragweed season begins in mid-August.
In the third National Health and Nutrition Examination Surveys54.3% of the population had
positive test responses to one or more allergens, with the prevalence for short ragweed
being 26.2%
The purpose of this observational follow-on study is to further evaluate rhinoconjunctivitis
symptoms on exposure to ragweed allergen in the EEC among subjects who completed all dosing
visits and the post treatment challenge (PTC) visit in study TR002 approximately one year
after the start of treatment.
Subjects who were randomised in study TR002 and who completed all dosing visits and the PTC will be invited to attend the Screening Visit for TR002B. Subjects will attend the EEC for 4 visits on successive days. Following the final EEC visit a follow-up visit will be performed 3-10 days later. ;
Observational Model: Cohort, Time Perspective: Prospective
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