A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis
Public ClinicalTrials.gov record NCT00621959. 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 Multi-center, Randomized, Double-blind, Placebo-controlled, Parallel-group Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine 5 mg Once Daily Given for 2 Weeks in Subjects 18 yr of Age and Older With Seasonal Allergic Rhinitis
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The study objective is to investigate the efficacy of levocetirizine in reducing symptoms associated with seasonal allergic rhinitis and in improving rhinitis-related Quality of Life
Study identification
- NCT ID
- NCT00621959
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 596 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 65 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
- Mar 2008 (Type not available)
- Primary completion
- Jun 2008 (Actual)
- Completion
- Jun 2008 (Actual)
- Last update posted
- Jul 16, 2020
2008
United States locations
- U.S. sites
- 26
- U.S. states
- 11
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Scottsdale | Arizona | — | — |
| Not listed | Hot Springs | Arkansas | — | — |
| Not listed | Little Rock | Arkansas | — | — |
| Not listed | Huntington Beach | California | — | — |
| Not listed | Long Beach | California | — | — |
| Not listed | Los Angeles | California | — | — |
| Not listed | Mission Viejo | California | — | — |
| Not listed | Albany | Georgia | — | — |
| Not listed | Lilburn | Georgia | — | — |
| Not listed | Savannah | Georgia | — | — |
| Not listed | Owensboro | Kentucky | — | — |
| Not listed | Metairie | Louisiana | — | — |
| Not listed | Winston-Salem | North Carolina | — | — |
| Not listed | Tulsa | Oklahoma | — | — |
| Not listed | Charleston | South Carolina | — | — |
| Not listed | Knoxville | Tennessee | — | — |
| Not listed | Austin | Texas | — | — |
| Not listed | Dallas | Texas | — | — |
| Not listed | El Paso | Texas | — | — |
| Not listed | Fort Worth | Texas | — | — |
| Not listed | Katy | Texas | — | — |
| Not listed | New Braunfels | Texas | — | — |
| Not listed | Plano | Texas | — | — |
| Not listed | San Angelo | Texas | — | — |
| Not listed | San Antonio | Texas | — | — |
| Not listed | Waco | Texas | — | — |
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 NCT00621959, 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 Jul 16, 2020 · Synced Oct 20, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00621959 live on ClinicalTrials.gov.