NCT04784234

Brief Summary

This study is looking at changes in vision and visual function before and after a six month trial of a daily medical food called GlaucoCetin, formulated with ingredients to support and protect the optic nerve cells. Open angle glaucoma patients will be randomized to receive either a placebo or the medical food for 6 months. We hope to learn if this medical food can improve the vision of our glaucoma patients and to report the findings obtained to the general public.

Trial Health

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Trial Health Score

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

Enrollment
12

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Feb 2021

Geographic Reach
1 country

1 active site

Status
terminated

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2021

Completed
29 days until next milestone

First Submitted

Initial submission to the registry

March 2, 2021

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 5, 2021

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 27, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 27, 2022

Completed
Last Updated

December 23, 2025

Status Verified

December 1, 2025

Enrollment Period

1.7 years

First QC Date

March 2, 2021

Last Update Submit

December 16, 2025

Conditions

Keywords

primary open angle glaucomavisual field lossvision enhancementGlaucoCetinNeuroprotection

Outcome Measures

Primary Outcomes (1)

  • Visual Field Mean Deviation

    Improvement in visual field mean deviation, measured in decibels, will be compared before, during and after a 6 month trial of daily GlaucoCetin vs Placebo capsules.

    3 hour examinations during a 6 month period

Secondary Outcomes (2)

  • Perceived Quality of Life Improvement

    20 minute questionnaires during a 6 month period

  • Perceived Quality of Life Improvement measured by National Eye Institute Visual Function Questionnaire 25 (NEI VFQ-25)

    20 minute questionnaires during a 6 month period

Study Arms (4)

GlaucoCetin Peripheral Group

ACTIVE COMPARATOR

Primary Open Angle Glaucoma participants who meet inclusion exclusion criteria with peripheral visual field loss will be randomly assigned GlaucoCetin, a medical food in capsule form.

Dietary Supplement: GlaucoCetin

Placebo Peripheral Group

PLACEBO COMPARATOR

Primary Open Angle Glaucoma participants who meet inclusion exclusion criteria with peripheral visual field loss will be randomly assigned a placebo, with no nutritional value, in capsule form.

Other: Placebo

GlaucoCetin Central Group

ACTIVE COMPARATOR

Primary Open Angle Glaucoma participants who meet inclusion exclusion criteria with central visual field loss will be randomly assigned GlaucoCetin, a medical food in capsule form.

Dietary Supplement: GlaucoCetin

Placebo Central Group

PLACEBO COMPARATOR

Primary Open Angle Glaucoma participants who meet inclusion exclusion criteria with central visual field loss will be randomly assigned a placebo, with no nutritional value, in capsule form.

Other: Placebo

Interventions

GlaucoCetinDIETARY_SUPPLEMENT

GlaucoCetin, a medical food in capsule form, is FDA regulated and includes ingredients that have been shown to support and protect mitochondrial function of retinal ganglion cells. GlaucoCetin consists of a mixture of Curcumin, N-Acetyl Cysteine, Ginkgo Biloba Extract, Alpha-lipoic Acid, Citicoline, Grape Seed Extract, Green Tea Extract, and Coenzyme Q10. Additional ingredients include L-Taurine, Niacinamide, Biotin, Natural Astaxanthin, Fisetin, Quercetin, Luteolin, Proprietary Dragonberry Flavor Complex, Monk Fruit, Bitter Blocker Natural Flavor, Citric Acid, Silica Dioxide, Fibersol-2, L-Leucine. Many of these are known anti-inflammatory and antioxidant ingredients. A 6 month supply of capsules, made for this study, will be provided at randomization with the following instructions: Take 6 capsules by mouth once daily with food.

GlaucoCetin Central GroupGlaucoCetin Peripheral Group
PlaceboOTHER

The placebo is an identical capsule to the GlaucoCetin, made for this study, with no nutritional value. A 6 month supply of capsules will be provided at randomization with the following instructions: Take 6 capsules by mouth once daily with food.

Placebo Central GroupPlacebo Peripheral Group

Eligibility Criteria

Age40 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age of 40 to 80 years
  • Bilateral open angle glaucoma with reliable visual field defects (at least one eye with mean deviation (MD) between -4.00 to -10.00 decibels (dB) on Humphrey Visual Field 24-2.
  • Group 1 (Peripheral): meets 1 hodapp-parrish-anderson (HPA) criteria for defect (3 contiguous points depressed on the pattern standard deviation (PSD) p \<5%, one of which is depressed at p \<1% level), and does not meet below paracentral criteria for Group 2.
  • Group 2 (Central): at least 1 paracentral point repeatedly depressed at p\<1% on 24-2. Also meets the HAP criteria outlined above.
  • Visual acuity 20/40 or better in each eye
  • Intraocular Pressure (IOP) controlled at 2 measurements \>3 months
  • Clear media

You may not qualify if:

  • Known bleeding disorder
  • History of epilepsy or on anti-seizure medication
  • Uncontrolled hypertension or diabetes
  • Uncontrolled IOP
  • Eye pathology leading to inaccurate IOP measurement
  • Visually significant retinal pathology affecting vision in past or active (such as diabetic retinopathy or age related macular degeneration)
  • Non-glaucomatous optic neuropathy
  • Visually significant cataract (worse then 2+ cataract, or what is determined visually clinically significant by physician)
  • History of ocular trauma
  • Selective laser trabeculoplasty or laser procedure within past 3 months
  • Cataract surgery within past 3 months
  • Incisional glaucoma surgery within 6 months
  • Current use of nitroglycerin
  • Current use of antiplatelet therapy besides aspirin (such as clopidogrel) or anticoagulation (such as warfarin)
  • Current use of systemic steroids or immunomodulating agents such as methotrexate.
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Wills Eye Hospital, Glaucoma Research Center

Philadelphia, Pennsylvania, 19107, United States

Location

MeSH Terms

Conditions

Glaucoma, Open-Angle

Condition Hierarchy (Ancestors)

GlaucomaOcular HypertensionEye Diseases

Study Officials

  • Natasha N Kolomeyer, MD

    Wills Eye Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Masking of GlaucoCetin and identical Placebo was provided by Guardian Health Sciences, Inc. Labeling has been conducted by non-clinical study team personnel in Glaucoma Research Center at Wills Eye Hospital.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Study aims to enroll 50 patients within each intervention arm (GlaucoCetin vs Placebo). Within the intervention arm there will be one group with Central visual field defects and one group with Peripheral visual field defects.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

March 2, 2021

First Posted

March 5, 2021

Study Start

February 1, 2021

Primary Completion

October 27, 2022

Study Completion

October 27, 2022

Last Updated

December 23, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations