Status:

COMPLETED

Early Retinal Nerve Fiber Layer Change of Ethambutol Optic Neuropathy by Optical Coherence Tomography

Lead Sponsor:

Yonsei University

Conditions:

Primary Lung Tuberculosis

Eligibility:

All Genders

20-70 years

Brief Summary

Ethambutol is widely used as first-line drug, but has serious side effect of optic neuropathy. As previously reported, incidence of ethambutol optic neuropathy is about 1\~2%, there was considerable s...

Eligibility Criteria

Inclusion

  • Primary lung tuberculosis who has not previously treated
  • Age more than 19 years and less than 70 years old

Exclusion

  • spherical equivalent more than +6.00 diopter or less than -6.00 diopter by autorefraction
  • Closed angel or intraocular pressure more than 21 mmHg
  • Best corrected visual acuity less than 0.5 with severe cataract
  • Retinal disorder include branch retinal vein occlusion, diabetic macular edema, wet-type age-related macular degeneration
  • Age less than 20 years or older than 70 years old
  • Any intraocular surgery less than 3 months
  • Intellectual problems or illiterate whom could not obtained informed consent

Key Trial Info

Start Date :

May 1 2013

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

May 1 2014

Estimated Enrollment :

49 Patients enrolled

Trial Details

Trial ID

NCT01866579

Start Date

May 1 2013

End Date

May 1 2014

Last Update

May 20 2014

Active Locations (1)

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1

Department of Ophthalmology, Gangnam Severance Hospital

Seoul, Seoul, South Korea, 146-92