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Long-term follow-up of patients with glaucoma after micro-interventional eye surgery

Collects 3, 4 and 5-year follow-up data on glaucoma patients after CycloPen eye surgery.

Plain-language title generated from the registry record
Registry title: 5-Year Postoperative Outcomes of Patients Who Completed the CREST Study

Key facts

Where
Atlanta, Cape Coral, Chevy Chase, Crossville, DeLand, Fort Washington, Las Vegas, Newport Beach, Rockville, and Salt Lake City, United StatesSee the 10 sites

Where in United States

  • AtlantaAtlanta, United StatesNo longer taking part
  • Cape CoralCape Coral, United StatesNo longer taking part
  • Chevy ChaseChevy Chase, United StatesNo longer taking part
  • CrossvilleCrossville, United StatesNo longer taking part
  • DeLandDeLand, United StatesNo longer taking part
  • Fort WashingtonFort Washington, United StatesNo longer taking part
  • Las VegasLas Vegas, United StatesNo longer taking part
  • Newport BeachNewport Beach, United StatesNo longer taking part
  • RockvilleRockville, United StatesNo longer taking part
  • Salt Lake CitySalt Lake City, United StatesNo longer taking part

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
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Trial details

Who runs it
Iantrek, Inc.
Trial code
NCT07480343
Record updated
21 July 2026
Original description
This study is designed to collect clinical data at 3, 4, and 5 years postoperatively for participants who completed the CREST Study without having secondary IOP-lowering surgery in the study eye(s).Read full original descriptionShow less

FIVE-YEAR POSTOPERATIVE OUTCOMES IN PATIENTS WITH OPEN-ANGLE GLAUCOMA WHO UNDERWENT BIO-INTERVENTIONAL UVEOSCLERAL OUTFLOW ENHANCEMENT SURGERY: LONG-TERM OBSERVATIONAL FOLLOW-UP FROM THE CREST STUDY (THE CREST-XT STUDY)

This study is designed to collect clinical data at 3, 4, and 5 years postoperatively for participants who completed the CREST Study without having secondary IOP-lowering surgery in the study eye(s).

Inclusion: Diagnosis of open-angle glaucoma (OAG) in the study eye(s), including pigmentary and pseudoexfoliative glaucoma, at the time of CREST enrollment; Completed participation in CREST; Provide signed written consent using the Institutional Review Board (IRB)/Ethics Committee (EC) approved study-specific informed consent form (ICF); Ability, comprehension, and willingness to follow study instructions.

Exclusion: Secondary surgical intervention for long-term IOP control in the study eye(s); Systemic disease that, in the opinion of the Investigator, would put participant's health at risk and/or prevent completion of required study visits; Early termination from CREST.

ClinicalTrials.gov NCT07480343