Topical Insulin for Glaucoma

NCT ID: NCT05206877

Last Updated: 2025-11-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-01

Study Completion Date

2026-12-31

Brief Summary

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The purpose of this Phase 1 trial is to determine the safety over 1-2 months of topic sterile human recombinant insulin on subjects with optic neuropathies (glaucoma, ischecmic optic neuropathy, and optic disc drusen).

Detailed Description

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Conditions

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Glaucoma

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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Low dose topical insulin

Group 1; N=6: 100 U/ml; 4 units of insulin per application, 1 drop done in clinic daily for 5 days

Group Type EXPERIMENTAL

Insulin, 4 units

Intervention Type DRUG

Topical insulin 100 U/ml, 1 drop per day

High dose topical insulin

Group 2; N=6: 500 U/ml; 20 units of insulin per application, 1 drop done in clinic daily for 5 days

Group Type EXPERIMENTAL

Insulin, 20 units

Intervention Type DRUG

Topical insulin 500 U/ml, 1 drop per day

Longer-term topical insulin

Group 3 randomized; N=20: 10 subjects will receive the highest tolerated dose (e.g. from group 1 or group 2), 1 drop per day at home for 1 month, full testing pre- and post-treatment, and 10 subjects will receive 1/5 of the highest tolerated dose (either the lower dose, or if needed will dilute) 1 drop per day at home for 1 month, full testing pre- and post-treatment.

Group Type EXPERIMENTAL

Insulin, 4 units

Intervention Type DRUG

Topical insulin 100 U/ml, 1 drop per day

Insulin, 20 units

Intervention Type DRUG

Topical insulin 500 U/ml, 1 drop per day

Low-Dose Insulin twice Daily

Group 4. N=5. 1 drop of 100U/mL insulin administered twice daily for 5 days.

Group Type EXPERIMENTAL

insulin, 4 units twice daily

Intervention Type DRUG

1 drop of low dose insulin twice daily.

High-Dose Insulin twice Daily

Group 5. N=5. 1 drop of 500U/mL insulin administered twice daily for 5 days.

Group Type EXPERIMENTAL

insulin, 20 units twice daily

Intervention Type DRUG

1 drop of high dose insulin twice daily

Low-Dose Insulin three times daily

Group 6. N=5. 1 drop of 100U/mL insulin administered three times daily for 5 days.

Group Type EXPERIMENTAL

insulin, 4 units three times daily

Intervention Type DRUG

1 drop of low dose insulin three times daily.

High-Dose Insulin three times daily

Group 7. N=5. 1 drop of 500U/mL insulin administered three times daily for 5 days.

Group Type EXPERIMENTAL

insulin, 20 units three times daily

Intervention Type DRUG

1 drop of high dose insulin three times daily.

Interventions

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Insulin, 4 units

Topical insulin 100 U/ml, 1 drop per day

Intervention Type DRUG

Insulin, 20 units

Topical insulin 500 U/ml, 1 drop per day

Intervention Type DRUG

insulin, 4 units twice daily

1 drop of low dose insulin twice daily.

Intervention Type DRUG

insulin, 20 units twice daily

1 drop of high dose insulin twice daily

Intervention Type DRUG

insulin, 4 units three times daily

1 drop of low dose insulin three times daily.

Intervention Type DRUG

insulin, 20 units three times daily

1 drop of high dose insulin three times daily.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Capable to provide informed consent
* Diagnosis of optic neuropathy either glaucoma or NAION or optic disc drusen.

Exclusion Criteria

* Pregnant or breastfeeding woman
* Presence of any ocular pathologies other than glaucoma that contributes to the severe vision loss (retinopathy / maculopathy, severe uveitis, keratopathy, etc.)
* Diagnosis of glucose intolerance, type 1 or 2 diabetes mellitus
* Inability to perform reliable visual field
* Unable to provide informed consent
* Unable to complete the tests and follow-ups required by the study
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Stanford University

OTHER

Sponsor Role lead

Responsible Party

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Jeffrey L Goldberg

Professor of Ophthalmology

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jeffrey L Goldberg, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Stanford University

Locations

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Byers Eye Institute at Stanford University

Palo Alto, California, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Mariana Nunez, MD

Role: CONTACT

650-497-7846

Facility Contacts

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Zac Wennberg-Smith

Role: primary

Other Identifiers

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63337

Identifier Type: -

Identifier Source: org_study_id

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