CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 555 enrolled
Drug / intervention
PQ Grass +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05540717
NCT05540717Phase 3Completed

A Randomised, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Efficacy and Safety of PQ Grass in Subjects With Seasonal Allergic Rhinitis and/or Rhinoconjunctivitis Induced by Grass Pollen Exposure

Allergy Therapeutics·interventional·Posted Sep 15, 2022·Updated Apr 2, 2025

In Brief

A Phase 3 clinical trial evaluating PQ Grass and Placebo for Seasonal Allergic Rhinitis and Rhinoconjunctivitis. Completed, enrolled 555 participants across 102 sites in 6 countries.

Detailed Summary

The PQGrass306 (G306) clinical trial is the pivotal Phase III efficacy clinical trial of PQ Grass. The aim of the G306 pivotal clinical trial is to confirm the efficacy and safety of the optimal effective dose of PQ Grass 27600 SU. This will be determined through the measurements of the effect of PQ Grass on the symptoms of seasonal allergic rhinitis (SAR)/rhinoconjunctivitis and the use of relief medications to control these symptoms during the peak grass pollen season (GPS).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustria, Czechia, Germany, Hungary, Poland, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedSep 15, 2022
Enrollment StartOct 11, 2022
Primary CompletionNov 1, 2023
TodayJul 2, 2026
Enrollment to primary: 1.1 yearsPosted 3.8 years ago

Interventions

PQ Grassbiological

Suspension for Injection

Placebobiological

Solution for injection