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A Study to Assess Whether PDE5 Inhibitors Increase the Chance of Triggering the Onset of Acute NAION

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Viatris

Status

Completed

Conditions

Optic Neuropathy, Ischemic

Treatments

Drug: No intervention

Study type

Observational

Funder types

Industry

Identifiers

NCT00759174
A1481259

Details and patient eligibility

About

The objective of this non-interventional study is to examine whether use of Phosphodiesterase Inhibitors (PDE5s), including use of sildenafil, vardenafil, or tadalafil, triggers the onset of acute NAION.

Full description

Sites will identify patients who meet the entry criteria during the conduct of their normal practice. Patients meeting these criteria will be offered participation in the study after reading and completing an informed consent document.

Enrollment

673 patients

Sex

Male

Ages

45+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male aged ≥45 years;
  • Experienced abrupt visual change in only 1 eye

Exclusion criteria

  • Pain determined by an ophthalmologist to be consistent with an inflammatory/arteritic process or optic neuritis;
  • History of NAION or optic neuritis.
  • Participation in other studies within 60 days prior to entry in the study.

Trial design

673 participants in 1 patient group

Case Group
Treatment:
Drug: No intervention

Trial contacts and locations

105

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Data sourced from clinicaltrials.gov

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