NCT00847158

Brief Summary

This was a prospective, double-masked, 15-month clinical trial comparing efficacy of phacoemulsification alone to combined phacoemulsification and implantation of the iStent® trabecular micro-bypass stent in patients with primary open-angle glaucoma.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
36

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Dec 2006

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 1, 2006

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2008

Completed
12 months until next milestone

First Submitted

Initial submission to the registry

February 18, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 19, 2009

Completed
Last Updated

February 19, 2009

Status Verified

February 1, 2009

Enrollment Period

1.2 years

First QC Date

February 18, 2009

Last Update Submit

February 18, 2009

Conditions

Keywords

POAGCombination glaucoma & cataract proceduretrabecular micro-bypass stentiStent

Outcome Measures

Primary Outcomes (1)

  • Primary outcomes included IOP and reduction in medication use.

    15 month

Study Arms (2)

1

ACTIVE COMPARATOR

phacoemulsification alone

Procedure: phacoemulsification alone

2

ACTIVE COMPARATOR

phacoemulsification and implantation of the iStent® trabecular micro-bypass stent

Device: iStent Trabecular Micro-Bypass Stent

Interventions

phacoemulsification alone

Also known as: cataract surgery, Phaco
1

phacoemulsification and implantation of the iStent® trabecular micro-bypass stent

Also known as: iStent, Trabecular micro-bypass stent, GTS100L, GTS100R
2

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • a previous diagnosis of POAG
  • an IOP of \> 18 mm Hg at three separate visits if on one medication, or subjects on at least two medications with uncontrolled IOP on three separate visits.
  • all patients were deemed likely to follow surgeon instructions and were able to give informed consent.

You may not qualify if:

  • any glaucoma diagnosis other than POAG
  • the presence of peripheral anterior synechiae (PAS)
  • a cloudy cornea likely to inhibit gonioscopic view of the angle
  • any previous ocular surgery
  • history of trauma or ocular surface disease
  • the presence of peripheral anterior synechiae (PAS)
  • a cloudy cornea likely to inhibit gonioscopic view of the angle

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Fea AM, Consolandi G, Zola M, Pignata G, Cannizzo P, Lavia C, Rolle T, Grignolo FM. Micro-Bypass Implantation for Primary Open-Angle Glaucoma Combined with Phacoemulsification: 4-Year Follow-Up. J Ophthalmol. 2015;2015:795357. doi: 10.1155/2015/795357. Epub 2015 Oct 26.

MeSH Terms

Conditions

Glaucoma, Open-AngleCataract

Interventions

PhacoemulsificationCataract Extraction

Condition Hierarchy (Ancestors)

GlaucomaOcular HypertensionEye DiseasesLens Diseases

Intervention Hierarchy (Ancestors)

Refractive Surgical ProceduresOphthalmologic Surgical ProceduresSurgical Procedures, OperativeUltrasonic Surgical Procedures

Study Officials

  • Antonio Fea, MD

    University of Torino

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

February 18, 2009

First Posted

February 19, 2009

Study Start

December 1, 2006

Primary Completion

March 1, 2008

Study Completion

March 1, 2008

Last Updated

February 19, 2009

Record last verified: 2009-02