New grass allergy shot shows promise in reducing hay fever misery
NCT ID NCT04687059
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested an investigational treatment called PQ Grass 27600 SU in 119 adults with seasonal grass pollen allergies (hay fever). The goal was to see if it could reduce allergy symptoms and the need for relief medications during peak grass pollen season. Participants received either the treatment or a placebo, and researchers measured their combined symptom and medication scores.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for RHINITIS, ALLERGIC, SEASONAL are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Allergy Asthma & Sinus Center, S.C.
Greenfield, Wisconsin, 53228, United States
-
Allergy Partners of Western North Carolina
Asheville, North Carolina, 28801, United States
-
Allergy and Asthma Associates of Bluegrass
Lexington, Kentucky, 40509, United States
-
Atlantic Research Center, LLC
Ocean Township, New Jersey, 07712, United States
-
Bernstein Clinical Research Center, LLC
Cincinnati, Ohio, 45231, United States
-
Chesapeake Clinical Research, Inc.
White Marsh, Maryland, 21236, United States
-
Corning Center for Clinical Research
Horseheads, New York, 14845, United States
-
ENT RESEARCH - Institut für klinische Studien
Essen, Germany
-
Hamburger Institut für Therapieforschung GmbH
Hamburg, Germany
-
Medaimun GmbH
Frankfurt am Main, Germany
-
Smith Allergy & Asthma Specialists
Cortland, New York, 13045, United States
-
Studienzentrum Dr. Sabine Laßmann
Saalfeld, Germany
-
Universitatsmedizin Berlin - Charite Campus Mitte - Allergie Centrum Charite
Berlin, Germany
-
Universitätsklinikum Carl Gustav Carus an der TU Dresden
Dresden, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.