Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00691665 · ClinicalTrials.gov registry record · Phase 4

Comparison of Olopatadine 0.6% and Fluticasone Proprionate 50mcg Nasal Sprays in a Two Week Seasonal Allergic Rhinitis Trial

A Phase 4 study of Seasonal Allergic Rhinitis, sponsored by Alcon Research.

Completed
Registry status
Phase 4
Development phase
130
Enrollment target
1
Study location

NCT00691665: Completed Phase 4 study of Seasonal Allergic Rhinitis, sponsored by Alcon Research.

NCT00691665 is a Phase 4 study of Seasonal Allergic Rhinitis that has completed, run by Alcon Research. The registered enrollment target is 130 participants, below the 660-participant average among 16 other Seasonal Allergic Rhinitis trials with a reported enrollment target (80% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00691665, a Phase 4 study of Seasonal Allergic Rhinitis, has completed, sponsored by Alcon Research.

COMPLETED
Registry status
Phase 4
Development phase
130 participants
Enrollment target
1
Study location

Study Summary

Comparison of two nasal sprays for the treatment of seasonal allergic rhinitis

Primary Outcome

Responses to patient-completed diaries for reflective Total Nasal Symptom Scores (rTNSS). TNSS is composed of 4 individual assessments, which included runny nose, itchy nose, stuffy nose, and sneezing; each of the 4 assessments were rated using a 4 point scale that ranged in whole units from 0 (none) to 3 (severe). All 4 assessments are then added together for a composite score (TNSS score), the maximum of which could be 12. Reflective scores were assessed from the hour since the last dose of st

Conditions Studied

Seasonal Allergic Rhinitis

Interventions

  • DRUG Olopatadine HCL Nasal Spray, 0.6%
  • DRUG Fluticasone Propionate Nasal Spray, 50 mcg

Study Locations (1)

California

  • Sacramento, CA - Sacramento

Trial Details

FieldValue
Enrollment Target 130 participants
Start Date 2008-05
Phase Phase 4
Alcon Research

275 total trials

What the finished NCT00691665 record still lists

NCT00691665 is an interventional study that assigns participants to a tested intervention. The registered 130 participants enrollment target is mid-sized for trials with a published cap, below the 660-participant average among 16 other Seasonal Allergic Rhinitis trials with a reported enrollment target (80% lower).

The record links to 1 condition, with Seasonal Allergic Rhinitis appearing as the primary indexed condition, and to 2 interventions - of which Olopatadine HCL Nasal Spray, 0.6% is the first listed.

NCT00691665 reports a single indexed study location in California.

Frequently Asked Questions

What is clinical trial NCT00691665 about?

NCT00691665 is a clinical study titled "Comparison of Olopatadine 0.6% and Fluticasone Proprionate 50mcg Nasal Sprays in a Two Week Seasonal Allergic Rhinitis Trial". Comparison of two nasal sprays for the treatment of seasonal allergic rhinitis

What is the current status of trial NCT00691665?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 130 participants. The study started on 2008-05.

What conditions does trial NCT00691665 study?

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

What interventions are being tested in trial NCT00691665?

The interventions under investigation include: Olopatadine HCL Nasal Spray, 0.6% (DRUG), Fluticasone Propionate Nasal Spray, 50 mcg (DRUG).

Who is sponsoring clinical trial NCT00691665?

This trial is sponsored by Alcon Research, which has 275 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00691665 being conducted?

This trial has 1 study location across California. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Learn More About Clinical Trials

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 NCT00691665's enrollment target sits among peer trials

130 14th of 16 higher than 3 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01492036 · 130 participants

    Long-Term Follow-Up of Recipient of Gene Transfer Research

  • NCT01631617 · 130 participants · Phase 2

    Effects of Treatments on Atopic Dermatitis

  • NCT02368041 · 130 participants

    Utility of Thenar Near Infrared Spectroscopy (NIRS) in Pediatric Patients With Heart Failure

  • NCT02604277 · 130 participants · NA

    Suicidal Behavior in Patients Diagnosed With Bipolar Disorder

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Related registry views

Source: ClinicalTrials.gov NCT00691665, the US trial registry maintained by the National Library of Medicine. NCT00691665 (mid enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.