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Clinical Trial Summary

The purpose of this study is to determine whether Niacin, a B vitamin, may act as a vasodilator to encourage earlier formation of collateral blood vessels that may serve to bypass the obstructed vein in the eye. The topical steroid eye drops are aimed at reducing swelling in the retina, until the collateral vessels have a chance to develop.


Clinical Trial Description

The aim of this study is to develop a less risky, yet effective and more sustainable treatment for retinal vein occlusions than the current commonly used approach of repeated intravitreal triamcinolone acetonide (Kenalog) injections. The types of retinal vein occlusion that are being studied include central (CRVO), hemi-retinal (HRVO), and branch (BRVO) retinal vein occlusion. Niacin, (Nicotinic Acid, not Nicotinamide)a B-vitamin, has lipid lowering and vasodilating properties. The combination of Niacin and Prednisolone Acetate steroid eye drops as a non-invasive treatment approach was developed by the Principal Investigator. The Niacin dilates the retinal vessels, hopefully encouraging earlier collateral vessel formation aimed at bypassing the venous obstruction, thus restoring venous outflow. The Prednisolone Acetate steroid eye drops are aimed at reducing vascular leakage and therefore the macular edema in the eye while the Niacin is taking effect. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00493064
Study type Interventional
Source Palo Alto Medical Foundation
Contact
Status Completed
Phase Phase 2/Phase 3
Start date October 2006
Completion date October 2016

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