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Completed Phase 4 Interventional Results available

A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis

ClinicalTrials.gov ID: NCT00653224

Public ClinicalTrials.gov record NCT00653224. 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.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 1:54 AM EDT

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

Study identification

NCT ID
NCT00653224
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
UCB Pharma
Industry
Enrollment
580 participants

Conditions and interventions

Interventions

  • levocetirizine dihydrochloride Drug
  • placebo Drug

Drug

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 31, 2008
Primary completion
Jun 30, 2008
Completion
Jun 30, 2008
Last update posted
Aug 30, 2011

2008

United States locations

U.S. sites
38
U.S. states
24
U.S. cities
38
Facility City State ZIP Site status
Not listed Tucson Arizona
Not listed Los Angeles California
Not listed Sacramento California
Not listed San Francisco California
Not listed San Jose California
Not listed Colorado Springs Colorado
Not listed Denver Colorado
Not listed Miami Florida
Not listed Atlanta Georgia
Not listed Gainesville Georgia
Not listed Lawrenceville Georgia
Not listed Stockbridge Georgia
Not listed Normal Illinois
Not listed Louisville Kentucky
Not listed Harvard Massachusetts
Not listed North Dartmouth Massachusetts
Not listed Novi Michigan
Not listed Minneapolis Minnesota
Not listed Berlin New Jersey
Not listed Skillman New Jersey
Not listed Verona New Jersey
Not listed Rochester New York
Not listed Asheville North Carolina
Not listed Charlotte North Carolina
Not listed Wilmington North Carolina
Not listed Cincinnati Ohio
Not listed Edmond Oklahoma
Not listed Oklahoma City Oklahoma
Not listed Portland Oregon
Not listed Pittsburgh Pennsylvania
Not listed Upland Pennsylvania
Not listed Lincoln Rhode Island
Not listed Germantown Tennessee
Not listed San Antonio Texas
Not listed Salt Lake City Utah
Not listed South Burlington Vermont
Not listed Arlington Virginia
Not listed Milwaukee Wisconsin

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 NCT00653224, 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 Aug 30, 2011 · Synced Jun 26, 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 protocol, eligibility criteria, and contact information for NCT00653224 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →