New glaucoma surgery showdown: which tiny implant works best?

NCT ID NCT07359547

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two small implants (XEN-63 and PRESERFLO) placed during a quick surgery to lower eye pressure in adults with open-angle glaucoma. About 166 participants will be randomly assigned to one implant and followed for 2 years. The goal is to see if PRESERFLO works as well as XEN-63 at reducing pressure and the need for eye drops.

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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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Conditions

The condition(s) this trial relates to.

exfoliation syndrome glaucoma glaucoma 1, open angle, l low tension glaucoma open-angle glaucoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

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: •••••@•••••