NCT01474070

Brief Summary

IOP is measured with two devices (Dynamic Contour Tonometry (DCT) and Goldmann applanation tonometry (GAT)).

Trial Health

87
On Track

Trial Health Score

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

Enrollment
112

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Nov 2011

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

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, 2011

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

November 3, 2011

Completed
14 days until next milestone

First Posted

Study publicly available on registry

November 17, 2011

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2016

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2016

Completed
Last Updated

October 18, 2016

Status Verified

October 1, 2016

Enrollment Period

4.8 years

First QC Date

November 3, 2011

Last Update Submit

October 17, 2016

Conditions

Glaucoma

Keywords

GlaucomaGoldmann TonometryDynamic Contour Tonometry

Outcome Measures

Primary Outcomes (1)

  • Intraocular pressure (IOP)

    IOP is measured with goldman-applanation tonometer and dynamic-contour-tonometer at the only study visit (V0)

    IOP is measured at the only study visit

Secondary Outcomes (1)

  • Demographical and clinical data

    study visit V0

Interventions

Intraocular Pressure MeasurementDEVICE

Intraocular pressure is measured with GAT and with DCT

Also known as: Goldmann Applanation Tonometry (GAT), Dynamic Contour Tonometry (DCT)

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

glaucoma patients

You may qualify if:

  • clinical diagnosis of glaucoma

You may not qualify if:

  • other optic neuropathy other then glaucoma
  • age\<18
  • corneal surgery
  • use of contact lenses

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospital Zurich, Ophthalmic Clinic

Zurich, Canton of Zurich, 8091, Switzerland

Location

Related Publications (1)

  • Wachtl J, Toteberg-Harms M, Frimmel S, Roos M, Kniestedt C. Correlation Between Dynamic Contour Tonometry, Uncorrected and Corrected Goldmann Applanation Tonometry, and Stage of Glaucoma. JAMA Ophthalmol. 2017 Jun 1;135(6):601-608. doi: 10.1001/jamaophthalmol.2017.1012.

    PMID: 28494071DERIVED

MeSH Terms

Conditions

Glaucoma

Interventions

Tonometry, Ocular

Condition Hierarchy (Ancestors)

Ocular HypertensionEye Diseases

Intervention Hierarchy (Ancestors)

Diagnostic Techniques, OphthalmologicalDiagnostic Techniques and ProceduresDiagnosis

Study Officials

  • Christoph Kniestedt, MD

    University Hospital Zurich, Ophthalmic Clinic

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 3, 2011

First Posted

November 17, 2011

Study Start

November 1, 2011

Primary Completion

September 1, 2016

Study Completion

October 1, 2016

Last Updated

October 18, 2016

Record last verified: 2016-10

Data Sharing

IPD Sharing
Will not share

Locations

CH(1)