Glaucoma surgery showdown: which tiny implant saves sight best?

NCT ID NCT07359547

Recruiting now Disease control Sponsor: Universitaire Ziekenhuizen KU Leuven Source: ClinicalTrials.gov ↗

First seen Jan 23, 2026 · Last updated May 24, 2026 · Updated 19 times

Summary

This study tests two small implants, XEN-63 and PRESERFLO, placed during a quick surgery to lower eye pressure in adults with open-angle glaucoma. About 166 people will be randomly assigned to receive one of the implants and will be followed for 2 years. The goal is to see which device works better at reducing pressure and preserving vision, while tracking side effects and the need for extra treatments.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••
Contact

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Locations

ULS Santa Maria
NOT_YET_RECRUITING

Lisbon, Lisbon District, 1649-028, Portugal

Contact Phone: •••-•••-•••• Email: •••••@•••••
University Hospitals UZ Leuven
RECRUITING

Leuven, Vlaams-brabant, 3000, Belgium

Contact Phone: •••-•••-•••• Email: •••••@•••••

Contact Phone: •••-•••-•••• Email: •••••@•••••
Universitätsklinikum Bonn
RECRUITING

Bonn, North Rhine-Westphalia, D-53127, Germany

Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

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GLAUCOMA 1, OPEN ANGLE, D (DISORDER)