Ocular Hypertension Treatment Study (OHTS)
1 other identifier
observational
N/A
0 countries
N/A
Brief Summary
The Ocular Hypertension Treatment Study is a multi-center clinical trial sponsored by the National Eye Institute, designed to determine the efficacy and safety of topically administered eye lowering medication
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Feb 1994
Longer than P75 for all trials
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 1994
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2006
CompletedFirst Submitted
Initial submission to the registry
December 5, 2008
CompletedFirst Posted
Study publicly available on registry
December 8, 2008
CompletedNovember 1, 2013
December 1, 2008
December 5, 2008
October 31, 2013
Conditions
Eligibility Criteria
You may qualify if:
- Qualifying IOP in at least one eye of each participant must be more than or equal 24 mmHg but less than or equal to 32 mm HG calculated from two separate consecutive determination taken at least 2 hours, but not greater than 12 weeks apart.
- Normal and reliable 30-2 Humphrey Visual Fields in both eyes.
- Normal Optic disc in both eyes on clinical examinations and stereoscopic photographs as determined by the Optic Disc Reading Center.
You may not qualify if:
- Visual acuity worse than 20/40 in either eye on qualifying exam.
- Previous intraocular surgery: laser trabeculoplasty, laser iridotomy, filtering surgery, combined cataract extraction/filtering procedures, penetrating keratoplasty and retinal detachment repair.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- The New York Eye & Ear Infirmarylead
- National Eye Institute (NEI)collaborator
Related Publications (1)
Gordon MO, Beiser JA, Brandt JD, Heuer DK, Higginbotham EJ, Johnson CA, Keltner JL, Miller JP, Parrish RK 2nd, Wilson MR, Kass MA. The Ocular Hypertension Treatment Study: baseline factors that predict the onset of primary open-angle glaucoma. Arch Ophthalmol. 2002 Jun;120(6):714-20; discussion 829-30. doi: 10.1001/archopht.120.6.714.
PMID: 12049575BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Michael Kass, MD
Washington University School of Medicine at St. Louis, St. Louis, Missouri
Study Design
- Study Type
- observational
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
December 5, 2008
First Posted
December 8, 2008
Study Start
February 1, 1994
Study Completion
December 1, 2006
Last Updated
November 1, 2013
Record last verified: 2008-12