Goniotomy for Glaucoma

This trial examines the effectiveness of three different devices used for goniotomy, a procedure to treat glaucoma during cataract surgery. The goal is to determine which device best controls eye pressure and reduces the need for glaucoma medication in the months following surgery. Individuals with open-angle glaucoma, a common type of glaucoma, scheduled for cataract surgery with goniotomy may be suitable candidates. As an unphased trial, this study allows patients to contribute to innovative research that could enhance future glaucoma treatments.

The trial information does not specify whether you need to stop taking your current medications. It's best to discuss this with the trial coordinators or your doctor.

A previous study found SION goniotomy to be mostly safe. Some patients experienced mild issues such as bleeding in the eye (hyphema) and temporary increases in eye pressure, which resolved quickly. Research on goniotomy using a bent needle showed similar results, with hyphema as the most common issue, clearing up within a week. Studies on the Tanito hook reported mild complications like hyphema and temporary eye pressure increases, which also resolved without lasting problems.

Researchers are excited about the goniotomy technique for treating glaucoma because it offers a new approach to managing intraocular pressure, which is crucial in slowing the progression of the disease. Unlike traditional treatments like eye drops or laser therapy, goniotomy directly targets the trabecular meshwork, where fluid drainage occurs in the eye. The trial is exploring different tools for performing goniotomy: the SION, bent needle (BANG), and Tanito hook, each with its unique design and potential advantages in precision and effectiveness. This direct surgical approach could provide an alternative for patients who don't respond well to conventional therapies.

Studies have shown that goniotomy effectively lowers eye pressure in people with glaucoma. This trial will compare different tools used in goniotomy. Research indicates that the SION device can reduce eye pressure by 14.5% to 36%. In another study, patients who underwent bent needle goniotomy experienced a 26% drop in eye pressure six months post-surgery. The Tanito hook also proved effective, with reductions of about 38.8% after eight months. Each tool, tested in separate arms of this trial, has shown promise in safely lowering eye pressure, crucial for managing glaucoma.¹²⁴⁶⁷