This trial is completed!
Search for a recruiting clinical trial for your condition
Your journey
1What's a trial
4Get in touch
More info
You can access this
clinical trial
if you have
Rhinitis, Allergic, Seasonal
and you are
between 18 and 65
years old
This is a second phase trial assessing
efficacy and side effects of the new treatment.
Show me locations

The purpose

The purpose of this research study is to investigate whether sublingual immunotherapy (SLIT, grass pollen tablets under the tongue) has long term effects in severe hay fever.

Provided treatments

  • Biological: Sublingual immunotherapy (SLIT)
  • Biological: Subcutaneous immunotherapy (SCIT)
  • Other: Placebo

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01335139. The sponsor of the trial is National Institute of Allergy and Infectious Diseases (NIAID) and it is looking for 106 volunteers for the current phase.
Official trial title:
A Randomized, Double-blind, Single-center, Placebo Controlled Study of Sublingual Immunotherapy and Subcutaneous Immunotherapy in Adults With Seasonal Allergic Rhinitis (ITN043AD)