PDE5 Inhibitor Use and Non-arteritic Anterior Ischemic Optic Neuropathy (NAION)
Public ClinicalTrials.gov record NCT00867815. 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
Prospective Case Crossover Study to Assess Whether PDE5 Inhibitor Exposure in Men Increases the Risk for the Development of Non-arteritic Anterior Ischemic Optic Neuropathy (NAION)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The primary objective of this study is to determine whether the use of PDE5 inhibitors (vardenafil, sildenafil, or tadalafil) increases the risk for the development of NAION.
Study identification
- NCT ID
- NCT00867815
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 10 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 40 Years and older
- Sex
- Male
- 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
- Jul 13, 2009 (Actual)
- Primary completion
- Dec 29, 2017 (Actual)
- Completion
- Mar 28, 2018 (Actual)
- Last update posted
- Jan 23, 2019
2009 – 2018
United States locations
- U.S. sites
- 11
- U.S. states
- 8
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Greider Eye Associates | Vista | California | 92083 | — |
| Palm Beach Eye Center | Atlantis | Florida | 33461 | — |
| West Coast Eye Care | Fort Myers | Florida | 33908 | — |
| National Ophthalmic Research Institute | Fort Myers | Florida | 33912 | — |
| Sarasota Retina Institute | Sarasota | Florida | 34239 | — |
| Midwest Eye Institute | Indianapolis | Indiana | 46290 | — |
| Spoor and Associates | Warren | Michigan | 48088 | — |
| Asheville Eye Associates | Asheville | North Carolina | 28803 | — |
| Office of Dr. Avrom Epstein, MD | Columbus | Ohio | 43215-7312 | — |
| Tulsa Clinical Research, LLC | Tulsa | Oklahoma | 74014 | — |
| Retinal and Ophthalmic Consultants | Houston | Texas | 77030 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00867815, 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 Jan 23, 2019 · Synced Oct 25, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00867815 live on ClinicalTrials.gov.