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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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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ULS Santa Maria
NOT_YET_RECRUITINGLisbon, Lisbon District, 1649-028, Portugal
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University Hospitals UZ Leuven
RECRUITINGLeuven, Vlaams-brabant, 3000, Belgium
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Universitätsklinikum Bonn
RECRUITINGBonn, North Rhine-Westphalia, D-53127, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Which eye implant best tames glaucoma? a head-to-head trial aims to find out.
- Could a simple home workout protect eyesight in glaucoma?
- One surgery, two problems: new device takes on glaucoma and cataracts together