NCT00409669

Brief Summary

To determine if the Barraquer tonometer provides an accurate and reliable measurement of intraocular pressure. The Barraquer tonometer is a device used to safely and painlessly measure intraocular pressure.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Nov 2006

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2006

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

December 8, 2006

Completed
3 days until next milestone

First Posted

Study publicly available on registry

December 11, 2006

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2008

Completed
Last Updated

May 9, 2008

Status Verified

May 1, 2008

Enrollment Period

2 years

First QC Date

December 8, 2006

Last Update Submit

May 6, 2008

Conditions

Keywords

Barraquer tonometerIntraocular pressureTonometry

Outcome Measures

Primary Outcomes (5)

  • Central corneal thickness as measured by pachymetry

    at time of measurement

  • Intraocular pressure as measured by Schiotz tonometer

    at time of measurement

  • Tonopen

    at time of measurement

  • Barraquer tonometer

    at time of measurement

  • and Perkins tonometer

    at time of measurement

Interventions

barraquer tonometer

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • All patients of Barnes Retina Institute who are scheduled to undergo vitreoretinal surgery.
  • All patients scheduled for routine eye examination at the Washington University Eye Clinic or Barnes Jewish Eye Clinic.
  • All ages (patients seen at these locations are adult patients \>18 years of age).

You may not qualify if:

  • Any patient who is seen in the outpatient clinics for an urgent or emergency ophthalmological issue.
  • Any patient who has a contraindication to routine, noninvasive methods of tonometry and/or pachymetry (ie corneal ulcer).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Washington University School of Medicine and Barnes Jewish Hospital

St Louis, Missouri, 63110, United States

RECRUITING

MeSH Terms

Conditions

Ocular Hypertension

Condition Hierarchy (Ancestors)

Eye Diseases

Study Officials

  • Gilbert Grand, MD

    Washington University School of Medicine and Barnes Retina Institute

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Arghavan Almony, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

December 8, 2006

First Posted

December 11, 2006

Study Start

November 1, 2006

Primary Completion

November 1, 2008

Study Completion

November 1, 2008

Last Updated

May 9, 2008

Record last verified: 2008-05

Locations