Results of Patients With Glaucoma Undergoing Minimally Invasive Glaucoma Surgery in Conjunction With Cataract Surgery

August 11, 2024 updated by: Vold Vision P.L.L.C

Visual Outcomes and Patient Satisfaction in Subjects With Stable Open-angle Glaucoma Undergoing Concurrent Minimally Invasive Glaucoma Surgery and IOL Implantation With an Extended-depth-of-focus IOL

This study is designed to determine how well patients with glaucoma can see following cataract surgery with a special type of lens called an extended-depth-of-focus (EDOF) lens. This lens is intended to reduced the patients need for glasses following cataract surgery. Patients will also undergo a minimally invasive type of glaucoma surgery using a special type of stent to reduce eye pressure, with the goal of better glaucoma control and the reduction in the need for medications to control eye pressure.

Study Overview

Status

Recruiting

Intervention / Treatment

Detailed Description

To evaluate the range of vision and patient reported outcomes in subjects implanted with Clareon Vivity IOL undergoing concurrent MIGS with the Hydrus Microstent

Study Type

Interventional

Enrollment (Estimated)

25

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

41 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Male or female subjects 45 years of age or older
  • A visually significant age-related cataract in both eyes
  • Diagnosis of mild OAG

    • VF characteristics consistent with glaucoma with mean deviation not worse than -6.00 dB and without fixation threatening scotoma AND/OR with nerve abnormalities consistent with glaucoma (rim notching, rim thinning, disc hemorrhage, nerve fiber layer loss)
    • Medicated IOP ≤25 mmHg on 1-3 hypotensive medications
  • Glaucoma must be judged as stable by investigator based on review of subject medical records

    • Stable VF at least 1 year prior to surgery
    • Stable nerve fiber layer at least 1 year prior to surgery
    • IOP stable on current medication regimen at least 3 months prior to surgery
  • Shaffer grade of ≥ III in all angle quadrants
  • Potential of best corrected visual acuity at distance in the investigator's judgement of at least 0.1 logMAR (20/25) postoperatively
  • Able and willing to comply with follow up visits
  • Understands and signs the informed consent
  • Both eyes of the subject should undergo surgery within 21 days of each other to ensure adequate timing for final visit window of 90 days ± 21 days post operatively

Exclusion Criteria:

  • Previous incisional glaucoma surgery or cilio-ablative surgery
  • Prior laser trabeculoplasty within 90 days of surgery
  • Pseudoexfoliative, angle closure, uveitic, congenital, traumatic, angle recession, or neovascular glaucoma.
  • Moderate glaucoma with VF mean deviation between -6.00 dB and -12.00 dB
  • Severe and/or progressive glaucoma defined as

    • VF mean deviation worse than -12.00 dB
    • Consistent worsening of visual field on review of subject medical records
    • Consistent and progressive thinning of nerve fiber layer on review of subject medical records
    • Uncontrolled IOP on maximum glaucoma medications
    • Historically poor IOP control with medical therapy
    • Severe focal notching of the optic nerve rim
    • Expectation for future need of incisional glaucoma surgery
  • Ocular pathology or other medical condition which, in the investigator's judgment places the subject at increased risk of complications or significant vision loss during study period
  • Ocular pathology that in the investigator's judgment may impact visual acuity postoperatively, i.e., significant ocular surface disease, corneal scarring, blepharitis, epiretinal membrane, macular degeneration, history of significant ocular trauma with sequela, etc.
  • Pregnant or breastfeeding women
  • Prior refractive surgery e.g., LASIK, RK, PRK, etc.
  • Subjects with significant complications during surgical procedure e.g., broken capsule, Hydrus Microstent complication, will be exited from the trial
  • Subjects who experience visually significant complications related to the Hydrus Microstent during the study period will be exited from the trial

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment Group
Subjects implanted with the Vivity IOL undergoing concurrent implantation of the Hydrus Microstent
Cataract surgery with implantation of the Vivity IOL along with concurrent implantation of the Hydrus Microstent
Other Names:
  • Hydrus Microstent

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Photopic Monocular Best Corrected Distance Visual Acuity (DCVA) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Photopic Monocular Best Distance Corrected Intermediate Visual Acuity (DCIVA) (66 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Monocular Uncorrected Distance Visual Acuity (UCDVA) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Monocular Uncorrected Intermediate Visual Acuity (UCIVA) (66 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Best Corrected Distance Visual Acuity (DCVA) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Best Distance Corrected Intermediate Visual Acuity (DCIVA) (66 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Uncorrected Distance Visual Acuity (UCDVA) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Uncorrected Intermediate Visual Acuity (UCIVA) (66 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Refractive Spherical Equivalent
Time Frame: 3 months
Average refractive error or residual spectacle prescription remaining following procedure (diopters)
3 months
Mean Absolute Prediction Error
Time Frame: 3 months
Average prescription remaining compared to preoperative prediction (diopters)
3 months
Mean post-op refractive astigmatism and the distribution of post-op refractive astigmatism at ≤0.25D, ≤0.50D, ≤0.75D, and ≤1.00D
Time Frame: 3 months
Examining the distribution or remaining astigmatism in subjects
3 months

Other Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Photopic Monocular Best Distance Corrected Near Visual Acuity (DCNVA) (40 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Monocular Uncorrected Near Visual Acuity (UCNVA) (40 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Best Distance Corrected Near Visual Acuity (DCNVA) (40 cm) logMAR
Time Frame: 3 months
Visual acuity measurement
3 months
Mean Photopic Binocular Best Corrected Distance Low Contrast Visual Acuity (25%) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement using "faded" letters
3 months
Mean Mesopic Binocular Best Corrected Distance Low Contrast Visual Acuity (25%) (4 meters) logMAR
Time Frame: 3 months
Visual acuity measurement using "faded" letters
3 months
Quality of Vision Questionnaire (QoV)
Time Frame: 3 months
The QoV is a validated questionnaire designed to determine what if any visual disturbances are present following surgery. It consists of a 30-item instrument with 10 possible symptoms rated in each of 3 scales (frequency, severity, and bothersome). Examples of common visual disturbances include glare and halo. This outcome measure can be graded on a linear scale with a higher score being a worse outcome (more visual disturbances). This questionnaire takes approximately 5 minutes to complete.
3 months
IOL patient satisfaction (IOLSAT) questionnaire
Time Frame: 3 months
The IOLSAT is a questionnaire inquiring about the need for eyeglasses, vision without eyeglasses, expectations for needed eyeglasses, and visual satisfaction. It consists of 23 questions, the first 21 based on a Likert scale. Questions 22 asks whether the patient would choose the same lens again and 23 if they would recommend the lens to their family and friends.
3 months
Mean preoperative IOP versus postoperative IOP
Time Frame: 3 months
Comparing intraocular pressure before versus after intervention
3 months
Mean preoperative medications versus postoperative medications
Time Frame: 3 months
Comparing the amount of preoperative glaucoma medications before versus after intervention
3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Collaborators

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 7, 2022

Primary Completion (Estimated)

February 1, 2025

Study Completion (Estimated)

May 1, 2025

Study Registration Dates

First Submitted

November 6, 2022

First Submitted That Met QC Criteria

November 14, 2022

First Posted (Actual)

November 22, 2022

Study Record Updates

Last Update Posted (Actual)

August 13, 2024

Last Update Submitted That Met QC Criteria

August 11, 2024

Last Verified

August 1, 2024

More Information

Terms related to this study

Other Study ID Numbers

  • Vivity Protocol 001, Rev A

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

The investigators do not plan to share IPD

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

product manufactured in and exported from the U.S.

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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