Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 5:15 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Desensitization and Cross-Desensitization During Oral Grass or Ragweed Pollen Immunotherapy

NCT02676765
Conditions
Immunologic Desensitization
Interventions
allergen extract tablet, Placebo tablet
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Allergic Rhinitis
Interventions
Grass pollen extract, Placebo injection
Biological · Other
Lead sponsor
Amber Patterson
Other
Eligibility
15 Years to 24 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

The Effect of Pollen Season on Subcutaneous Allergen Immunotherapy Reactions

NCT01878929
Conditions
Allergic Rhinitis, Asthma, Allergic Conjunctivitis
Interventions
Allergen(Tree, Grass, Weeds)
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
5 Years and older
Enrollment
245 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
South Euclid, Ohio
Conditions
Allergic Rhinitis Due to Grass Pollens
Interventions
300 IR, Placebo
Drug
Lead sponsor
Stallergenes Greer
Industry
Eligibility
18 Years to 65 Years
Enrollment
473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
19
States / cities
Normal, Illinois • Lexington, Kentucky • Owensboro, Kentucky + 16 more