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Glaucoma, Open-Angle clinical trials

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NCT ID: NCT02295358 Withdrawn - Ocular Hypertension Clinical Trials

The Effect of Omega-3 Fatty Acid Supplementation on Intraocular Pressure & Ocular Surface

Start date: November 2014
Phase: N/A
Study type: Observational

This study is designed with the intention to further elucidate the effects of omega-3 fatty acids on intraocular pressure (IOP) and signs/symptoms of dry eye. Prior studies have shown statistically significant lowering of IOP with use of omega-3 fatty acids but have only been performed in animal models. This study will be the first to attempt replication in human models. A limited number of studies have shown an increase in tear production/volume as well as a decrease in the subjective symptoms of dry eye, but more studies are needed to better define these effects. Better understanding of the effects of this supplement on intraocular pressure and dry eye will contribute to the expanding knowledge about the pathophysiology of glaucoma/ocular hypertension and dry eye syndrome and potentially lead to further studies about new potential treatment options for these conditions.

NCT ID: NCT02031380 Withdrawn - Clinical trials for Glaucoma, Open-Angle [C11.525.381.407]

iDropper Usability in Glaucoma

Start date: April 2014
Phase: Phase 1
Study type: Interventional

The purpose of this study is to evaluate the usability of a medication management support system for glaucoma patients self-administering eye drops named iDropper. The iDropper system is a home-based ocular medication management system that reminds, instructs, dispenses, and records eye drop medication usage. The iDropper system will be evaluated among a cohort of glaucoma subjects self-administering eye drops for 4-weeks.

NCT ID: NCT01994564 Withdrawn - Open Angle Glaucoma Clinical Trials

Prevalence of Dyschromatopsia in Glaucoma Patients

Start date: November 2012
Phase: N/A
Study type: Observational

Glaucoma is a progressive disease resulting in loss of retinal nerve cells and their axons (retinal nerve fibers). Retinal nerve fibers are ordered in a special manner when they enter the optic nerve. Hence, damage to the retinal nerve fibers by glaucoma results in visual field defects at certain locations. Furthermore, the retinal nerve fiber layers from different receptors for different colors are ordered in a special manner as well. Thus, it is possible that glaucomatous damage causes color vision dysfunction (dyschromatopsia). At the moment there is disagreement whether dyschromatopsia occurs at early- to mid-stage or only in end-stage glaucoma. By testing color vision in glaucoma patients the prevalence of dyschromatopsia in glaucoma and in different stages of the disease will be investigated.

NCT ID: NCT01766947 Withdrawn - Clinical trials for Primary Open Angle Glaucoma

IOP Fluctuations in Primary Open Angle Glaucoma Patients Before and After Deep Sclerectomy

Start date: November 2012
Phase: N/A
Study type: Interventional

Primary open angle glaucoma (POAG) is associated with inadequate drainage of the aqueous humor via the trabecular meshwork through the Schlemm's canal towards the systemic circulation. This may lead to an increase in IOP and may damage the optic nerve. The purpose of glaucoma management is to lower IOP in order to prevent progression of the optic neuropathy and subsequent visual loss. Firstline treatment usually includes IOP-lowering drug therapy. However, if IOP remains uncontrolled and/or the optic nerve damage progresses despite controlled IOP, surgery may be indicated. Deep sclerectomy (DS) is a non-penetrating surgical procedure for the treatment of open angle glaucoma that allows the enhancement of the aqueous outflow by removing part of the inner wall of Schlemm's canal and trabecular meshwork. DS was shown to achieve a good control on IOP over the long term. The purpose of this study is to assess the 24-hour IOP fluctuation profile recorded with Triggerfish in patients with POAG before and after DS.

NCT ID: NCT01721707 Withdrawn - Ocular Hypertension Clinical Trials

Latanoprost/Brinzolamide BID Versus Latanoprost BID in Patients With OAG or OH

Start date: December 2012
Phase: Phase 3
Study type: Interventional

This study is a double-masked, randomized, parallel group study in patients with open angle glaucoma or ocular hypertension. The aim of this study is to verify the efficacy of the fixed combination of Latanoprost 50 mcg / mL / brinzolamide 10mg/ml eye drops compared to Latanoprost 50μg/mL eye drops in reducing IOP

NCT ID: NCT01510132 Withdrawn - Ocular Hypertension Clinical Trials

Travacom Post Marketing Surveillance Study

Start date: January 2012
Phase: Phase 4
Study type: Interventional

The purpose of this multi-center, open label, single arm, post-marketing surveillance study is to assess the safety of Travacom in patients with open-angle glaucoma or ocular hypertension who are insufficiently responsive to beta-blockers, prostaglandins, or other intraocular pressure-lowering (IOP) medication and when use of Travacom is considered appropriate.

NCT ID: NCT01452009 Withdrawn - Ocular Hypertension Clinical Trials

Three Month Safety and Efficacy Study of TRAVATAN® Versus Travoprost Ophthalmic Solution, 0.004%

Start date: November 2011
Phase: Phase 3
Study type: Interventional

A multi-center, observer-masked, randomized, parallel group efficacy and safety study of TRAVATAN® versus a new formulation of Travoprost Ophthalmic Solution, 0.004%

NCT ID: NCT00912470 Withdrawn - Open Angle Glaucoma Clinical Trials

Progressive Open Angle Glaucoma (OAG) and Ocular Blood Flow

Start date: May 2007
Phase: N/A
Study type: Interventional

The purpose of this study is to assess the correlation of vascular parameters, including genetic factors as well as ocular blood flow parameters against the progression rate of glaucomatous damage in patients with progressive OAG.

NCT ID: NCT00864578 Withdrawn - Clinical trials for Primary Open Angle Glaucoma

Effects of Forskolin on Intraocular Pressure in Glaucomatous Patients Under Maximum Tolerated Medical Therapy

Start date: April 2009
Phase: N/A
Study type: Observational

Elevated intraocular pressure is still the main risk factor for development and progression of glaucoma. Several drugs exist on the market that may decrease IOP in glaucomatous patients. However, some patients cannot reach the target pressure despite a multitherapy with a combination of drugs, and are therefore addressed to surgical treatments. Forskolin is a natural compound that is a receptor-independent adenyl-cyclase activator, that increases intracellular cAMP. It has been shown to be able to decrease IOP after topical application, by a mechanism that is not used by the other drugs. Aim of the present study is to see whether a food supplement containing forskolin (KRONEK) has any effect on the IOP of POAG patients that cannot reach their target pressure, and are therefore on the waiting list for surgical intervention.

NCT ID: NCT00863811 Withdrawn - Clinical trials for Primary Open Angle Glaucoma

Effects of Forskolin on Intraocular Pressure in Glaucomatous Patients Under Treatment With Either Beta-blockers or Prostaglandins Eye Drops

Start date: April 2009
Phase: N/A
Study type: Observational

Elevated intraocular pressure is still the main risk factor for development and progression of glaucoma. Several drugs exist on the market that may decrease IOP in glaucomatous patients. However, some patients cannot reach the target pressure despite a multitherapy with a combination of drugs, and are therefore addressed to surgical treatments. Forskolin is a natural compound that is a receptor-independent adenyl-cyclase activator, that increases intracellular cAMP. It has been shown to be able to decrease IOP after topical application, by a mechanism that is not used by the other drugs. Aim of the present study is to see whether oral administration of a food supplement containing forskolin (KRONEK) has any effect on the IOP of POAG patients with stable IOP obtained by treatment with either beta-blockers or prostaglandins.