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NCT00621959 · ClinicalTrials.gov registry record · Phase 4

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

A Phase 4 study of Seasonal Allergic Rhinitis, sponsored by UCB Pharma.

Completed
Registry status
Phase 4
Development phase
596
Enrollment target
20
Study locations

NCT00621959: Completed Phase 4 study of Seasonal Allergic Rhinitis, sponsored by UCB Pharma.

NCT00621959 is a Phase 4 study of Seasonal Allergic Rhinitis that has completed, run by UCB Pharma. The registered enrollment target is 596 participants, roughly in line with the 631-participant average among 16 other Seasonal Allergic Rhinitis trials with a reported enrollment target. The trial reports 20 study locations across 11 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00621959, a Phase 4 study of Seasonal Allergic Rhinitis, has completed, sponsored by UCB Pharma.

COMPLETED
Registry status
Phase 4
Development phase
596 participants
Enrollment target
20
Study locations

Study Summary

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

Primary Outcome

Total 5 Symptoms Score (T5SS) is the sum of rhinorrhea, sneezing, nasal congestion, itchy nose and itchy eyes scores. Each individual symptom was scored from 0 (none) to 3 (severe). The total score varies from 0 to 15.

Conditions Studied

Interventions

  • DRUG placebo
  • DRUG levocetirizine dihydrochloride

Study Locations (20)

California

  • - Huntington Beach
  • - Long Beach
  • - Los Angeles
  • - Mission Viejo

Texas

  • - Austin
  • - Dallas
  • - El Paso
  • - Fort Worth

Georgia

  • - Albany
  • - Lilburn
  • - Savannah

Arkansas

  • - Hot Springs
  • - Little Rock

Arizona

  • - Scottsdale

Kentucky

  • - Owensboro

Louisiana

  • - Metairie

North Carolina

  • - Winston-Salem

Trial Details

FieldValue
Enrollment Target 596 participants
Start Date 2008-03
Est. Completion 2008-06
Phase Phase 4
UCB Pharma

100 total trials

What the finished NCT00621959 record still lists

NCT00621959 is an interventional study that assigns participants to a tested intervention. The registered 596 participants enrollment target is mid-sized for trials with a published cap, roughly in line with the 631-participant average among 16 other Seasonal Allergic Rhinitis trials with a reported enrollment target.

The record links to 1 condition, with Seasonal Allergic Rhinitis appearing as the primary indexed condition, and to 2 interventions - of which placebo is the first listed.

NCT00621959 names 20 study sites across 11 states, led by California, Texas, Georgia.

Frequently Asked Questions

What is clinical trial NCT00621959 about?

NCT00621959 is a clinical study titled "A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis". 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

What is the current status of trial NCT00621959?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 596 participants. The study started on 2008-03. Estimated completion is 2008-06.

What conditions does trial NCT00621959 study?

This clinical trial studies the following conditions: Seasonal Allergic Rhinitis.

What interventions are being tested in trial NCT00621959?

The interventions under investigation include: placebo (DRUG), levocetirizine dihydrochloride (DRUG).

Who is sponsoring clinical trial NCT00621959?

This trial is sponsored by UCB Pharma, which has 100 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00621959 being conducted?

This trial has 20 study locations across Arizona, Arkansas, California, Georgia, Kentucky. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Seasonal Allergic Rhinitis

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00621959's enrollment target sits among peer trials

596 9th of 16 higher than 8 of 16 other Seasonal Allergic Rhinitis trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Seasonal Allergic Rhinitis trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00621959, the US trial registry maintained by the National Library of Medicine. NCT00621959 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.