We are updating the design of this site. Learn more.
Show more
ClinicalTrials.gov
ClinicalTrials.gov Menu

Ischemic Optic Neuropathy Decompression Trial Followup (IONDT Followup)

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified October 2003 by National Eye Institute (NEI).
Recruitment status was:  Active, not recruiting
Sponsor:
ClinicalTrials.gov Identifier:
NCT00000126
First Posted: September 24, 1999
Last Update Posted: May 26, 2006
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
National Eye Institute (NEI)
  Purpose
To follow all patients enrolled in the original Ischemic Optic Neuropathy Decompression Trial (IONDT) to determine (1) the incidence of non-arteritic ischemic optic neuropathy (NAION) in the second eye, (2) changes in visual acuity over time in both the study and second eye, and (3) other aspects of the natural history of NAION.

Condition Intervention
Ischemic Optic Neuropathy Procedure: Surgery

Study Type: Observational
Study Design: Time Perspective: Longitudinal

Resource links provided by NLM:


Further study details as provided by National Eye Institute (NEI):

Study Start Date: October 1994
  Show Detailed Description

  Eligibility

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Ages Eligible for Study:   50 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria
All living patients from the 420 patients originally enrolled in the IONDT have been asked to participate in the IONDT Followup Study. No new patients are being recruited.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00000126


  Show 24 Study Locations
Sponsors and Collaborators
National Eye Institute (NEI)
  More Information

ClinicalTrials.gov Identifier: NCT00000126     History of Changes
Other Study ID Numbers: NEI-25
First Submitted: September 23, 1999
First Posted: September 24, 1999
Last Update Posted: May 26, 2006
Last Verified: October 2003

Keywords provided by National Eye Institute (NEI):
Non-arteritic Ischemic Optic Neuropathy

Additional relevant MeSH terms:
Ischemia
Optic Nerve Diseases
Optic Neuropathy, Ischemic
Pathologic Processes
Cranial Nerve Diseases
Nervous System Diseases
Eye Diseases
Vascular Diseases
Cardiovascular Diseases