View clinical trials related to Allergic Rhinitis.
Filter by:The purpose of the trial is to compare the efficacy and safety of sublingual seasonal and annual immunotherapy in children with allergic rhinitis allergic to grass pollens.
The primary objective of this study is to evaluate a range of dose levels for efficacy in the control of symptoms of allergic rhinitis
Investigate safety/tolerability after a single dose intranasal administration of AZD8848 comparator placebo to healthy male volunteers and seasonal allergic rhinitis male patients out of season
Allergic rhinitis is a common condition characterize by inflammation of the upper airways. Third generation antihistamines have been demonstrated effective in the treatment of this condition. Allergen challenge can be use to assess the effects of drugs in allergic rhinitis, adenosine monophosphate may also be used as a means to investigate these effects but as yet its effects have yet to be compared to allergen challenge. We intend to compare the effects of levocetirizine at a single dose of 5mg on allergen and AMP challenge compared to placebo in a double blind cross-over study. The study will include 20 patients with allergic rhinitis. Each patient will have allergen and AMP challenge on placebo and active treatment. The primary outcome variable will be the change in concentration of AMP/Allergen required to produce a 20% drop in nasal flow as manifest by peak nasal inspiratory flow. A 1 doubling dose change in concentration of challenge medium to cause a 20% drop in nasal flow will be deemed significant. We will also measure time to recovery after both challenges. AMP challenge is a safe alternative to allergen challenge and does not have the risk of anaphylaxis.
The purpose of this study is to assess the efficacy of two doses of sublingual immunotherapy (SLIT) administered as allergen-based tablets once daily over a period of 12 months compared to placebo, for reduction of allergic rhinitis symptoms and rescue medication usage
The purpose of this study is to identify an effective dose of allergen-specific immunotherapy for short ragweed (Ambrosia artemisiifolia) administered by an oral/sublingual route.
The purpose of this study is to compare Rhinocort with placebo in pediatric subjects aged 2-5 years with allergic rhinitis to study effects on nasal symptoms such as sneezing, runny and stuffy noses.
Examine the relative potency, onset of action and duration of action of fexofenadine HCl 180 mg (Allegra) and montelukast sodium 10 mg (Singulair) as compared to placebo on skin wheals and flares induced by seasonal allergen.
To examine the relative potency, onset of action and duration of action of fexofenadine HCl 180 mg (ALLEGRA) and desloratadine 5 mg (CLARINEX) as compared to placebo on skin wheals and flares induced by histamine.
To evaluate the single-dose and steady-state pharmacokinetics of desloratadine and fexofenadine in desloratadine slow metabolizers. To evaluate the safety and tolerability of desloratadine compared to fexofenadine following single and multiple oral doses administered to desloratadine slow metabolizers.