Streamline system helps lower IOP, drugs in open-angle glaucoma

April 24, 2022

1 minute read



Yeu E. Interim results of a novel dual-port microcatheter used to deliver viscoelastics to eyes with primary open-angle glaucoma. Presented at: American Society of Cataract and Refractive Surgery meeting; April 22-26, 2022; Washington.

Yeu reports having consulted and conducted research for New World Medical.

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WASHINGTON — Glaucoma patients who underwent goniotomy and viscodilation with the Streamline Surgical System experienced reductions in IOP and medication, a study has found.

“It’s not an invasive procedure,” Elizabeth Yeu, MD, said at the meeting of the American Society of Cataract and Refractive Surgery. “It rests and allows aspiration and retraction of the outer sleeve and gentle goniotomy performed through this inner cannula.”

Elisabeth Yeu

The study included 21 patients with a diagnosis of mild to moderate open-angle glaucoma who were taking one to three IOP-lowering medications and had a washed out IOP between 21 mm Hg and 36 mm Hg. Data were collected on day 1, at week 1 and at months 1, 3, 9 and 12 following the procedure with the Streamline Surgical System (New World Medical).

The primary endpoint was the proportion of unmedicated eyes with a reduction in IOP of at least 20% from baseline at month 12. Intraoperative and postoperative adverse events, change in mean unmedicated IOP from baseline at month 12 and the number of topical glaucoma medications used at screening relative to month 12 were also assessed.

Yeu said 95.2% of patients experienced at least a 20% reduction in IOP and no increase in medication use. Mean IOP decreased from 23.9 mm Hg at baseline to 14.9 mm Hg at Month 9 (P .001). The average number of medications decreased from 2.1 at screening to 1.1 (P = 0.003).

Yeu said there were no adverse events related to the procedure.

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