Efficacy and Safety of Grass-SPIRE Registration Study
Public ClinicalTrials.gov record NCT02795273. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Combined Phase 2b/3, Randomised, Double-Blind, Placebo-Controlled, Parallel-Group, Multi-Centre Study to Assess the Efficacy and Safety of Grass-SPIRE in Subjects With Grass Pollen-Induced Allergic Rhinitis, With or Without Conjunctivitis
Study identification
- NCT ID
- NCT02795273
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- Circassia Limited
- Industry
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- Grass-SPIRE Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 12 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 30, 2016
- Primary completion
- Sep 30, 2018
- Completion
- Not listed
- Last update posted
- Jun 22, 2016
Started 2016
United States locations
- U.S. sites
- 2
- U.S. states
- 1
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Canton | Ohio | — | — |
| Bernstein Clinical Research Center, LLC | Cincinnati | Ohio | 45231 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02795273, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 22, 2016 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02795273 live on ClinicalTrials.gov.