- Conditions
- Allergic Rhinitis
- Interventions
- Standardized Ragweed Allergenic Extract, Placebo
- Biological
- Lead sponsor
- Greer Laboratories
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 430 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008
- U.S. locations
- 30
- States / cities
- Normal, Illinois • Evansville, Indiana • Iowa City, Iowa + 23 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–1
of 1
matching trial from the live ClinicalTrials.gov search.
Local D1 index available.