Exploration of Pupil Dilation in Horner's Patients Taking Flomax

Stopped early · Phase 4

Conditions studied: Horner Syndrome

In brief

This study is evaluating the pupil dilation of Horner's Patients who have ever taken an alpha blocker such as Tamsulosin. Patients will undergo eye dilation as would occur at a yearly eye examination, but their pupil dilation measurements will be recorded.

Key facts

Study ID

NCT03615508

Run by

Denver Health and Hospital Authority

People needed

1

Starts

2018-09-21

Expected to finish

2019-05-01

Last updated by the study team

2022-03-03

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Horner's Syndrome
• History of taking an alpha blocker (tamsulosin/ terazosin/doxazosin/alfuzosin/silodosin) medication

You may not qualify if…

• Subjects with untreated hypertension
• Subjects with thyrotoxicosis
• Pregnant women
• Prisoners
• Inability to consent
• Subjects with anatomical narrow angles who have never had a dilated exam

Where it is running

• University of Colorado Hospital, Rocky Mountain Lions Eye Institute — Denver, Colorado, United States
• Denver Health — Denver, Colorado, United States

Full record on ClinicalTrials.gov

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