Ragweed Allergy Nasal Spray Study

Cliantha Research, Patient Recruitment

The purpose of this study is to assess the onset of effectiveness of a nasal spray (marketed in the USA) in treating allergy symptoms caused by ragweed pollen in an Environmental Exposure Chamber (EEC) compared to a placebo. Study Ref: 19-SB-001.

Eligibility Criteria

Male, Female

18 to 65 years old

allergic rhinitis to ragweed for at least the last 2 years

If smoker, cannot smoke more than 26 cigarettes per day

Cannot be symptomatic to dust mites/mold

Study Tasks

Informed Consent Form
Vital signs
Medical/Surgical history
Review of prior/concomitant medications
Skin Prick Test


This study has been approved by Advarra Ethics Board.


Ragweed allergy
clinical research
nasal symptoms

Activity and Time

Investigational Medicine

Clinical Trial

Weekdays, Weekends

4 hour(s) - 9.5 hour(s) per session

6 session(s)

Up to 6 visits (including medical screening and follow-up visit)


Up to $2300 

Study Address

4500 Dixie Road Mississauga, Ontario, Canada, L4W 1V7

Posting date: Jan 7, 2020

Earn $2300