Effect of Cosopt Versus Combigan on Retinal Vascular Autoregulation in Primary Open Angle Glaucoma (POAG) - NCT00824824-02114 (Clinical Trial 264564)


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Effect of Cosopt Versus Combigan on Retinal Vascular Autoregulation in Primary Open Angle Glaucoma (POAG) - NCT00824824-02114 (Clinical Trial 264564)
Permalink: http://www.ClinicalConnection.com/exp/ExpandedPatientViewStudy264564.aspx

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City:

Boston

State:

Zip Code:

02114

Conditions:

Glaucoma

Purpose:

We have completed a study in which we examined the response of the retinal circulation to changes in posture from sitting to lying down in patients with primary open angle glaucoma (POAG). This alteration in position produces changes in the local blood pressure at the entrance to the retinal vasculature. In a healthy retina, the vasculature adapts by dilating and constricting in order to maintain a steady blood flow rate. In an eye with POAG, this often does not occur. As a result, there are large fluctuations in blood flow which may produce the retinal neuronal damage associated with glaucoma. The purpose of this study is to demonstrate that topical anti-glaucoma treatments with agents that have vasoactive as well as IOP-lowering effects can have a beneficial effect on maintaining a steady retinal blood flow rate even when there are changes in local blood pressure.

Study summary:

Criteria:

Inclusion Criteria: - POAG - Age 40 to 80 years - Untreated IOP greater than 21 mm Hg Exclusion Criteria: - More than two IOP lowering medications - Exfoliaton or pigment dispersion syndrome - Diabetic retinopathy - History of ocular surgery

Study is available at:

Massachusetts Eye and Ear Infirmary
Boston, MA 02114
United States

Primary Contact:
Louis R Pasquale, MD
Email: Louis_Pasquale@meei.harvard.edu
Phone: 617-573-4270

If you are interested in this clinical trial please use the contact information above. If you would like to get additional information about this clinical trial please visit ClinicalTrials.gov.

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Data Source:		ClinicalTrials.gov
Date Processed:		March 16, 2010
Modifications to this listing:		Only selected fields are shown, please use the link above to view all information about this clinical trial.

Clinical trials are medical research studies designed to test the safety and/or effectiveness of new drugs, devices, or treatments in humans. These studies are conducted worldwide for a range of conditions and illnesses. Learn more about clinical research and participating in a study at About Clinical Trials.


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