Vision Restoration With a Collagen Crosslinked Boston Keratoprosthesis Unit



Status:Recruiting
Healthy:No
Age Range:18 - Any
Updated:3/23/2019
Start Date:March 15, 2017
End Date:March 2020
Contact:Lisa Langone
Email:OphthalmologyClinicalResearch@meei.harvard.edu
Phone:617-573-4437

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A Phase I/II Prospective, Randomized, Multicenter, Double-Masked, Vehicle-Controlled Clinical Trial to Evaluate the Safety and Efficacy of Corneal Collagen Cross-Linking of Keratoprosthesis Carrier Tissue in High-Risk Keratoprosthesis Implantation

This is a phase I/II prospective, randomized, multi-center, double-masked, vehicle-controlled
clinical trial evaluating the safety and efficacy of corneal collagen cross-linking the
keratoprosthesis carrier tissue in subjects who are candidates for high-risk keratoprosthesis
implantation but because of a history of corneal melts or autoimmune diseases are not
candidate for a traditional corneal transplant.

The study is a multi-center, parallel, randomized, double-blinded study with subsequent
follow-up period of two years. Eight-four subjects across twelve sites will be randomized 1:1
to receive either a corneal tissue that have been cross-linked or not cross-linked (No UVA
light source). Cross-linking is a term that refers to the linking of polymers (long chain)
molecules by chemical bonds. It is believed that cross-linking the cornea will make the
cornea stronger and more resistant to degradation.

CorneaGen (formerly Keralink International) (Baltimore site) will supply the donor tissue and
Avedro Inc (Waltham MA) will supply the riboflavin and the UV light source. Staff at
CorneaGenwill administer the riboflavin with dextran solution and perform the cross-linking
procedure according to one of randomization groups before shipping the masked donor cornea to
study sites for Boston Keratoprosthesis (B-KPro) implantation.

Inclusion Criteria:

- Willing and able to provide written informed consent

- Willing and able to comply with study assessments for the full duration of the study

- Age ≥ 18 years

- Candidate for a Boston Keratoprosthesis / Cornea transplant

- In generally good stable overall health

- Patients with an eye at risk for a cornea sterile ulcer which includes:

- Autoimmune diseases (mucus membrane pemphigoid, Stevens-Johnson syndrome,
systemic lupus erythematosis, rheumatoid arthritis, or other autoimmune
diseases); OR

- History of previous sterile cornea ulceration requiring a cornea transplant

Exclusion Criteria:

- Age < 18 years

- Inability to provide written informed consent and comply with study assessments for
the full duration of the study

- No or minimal tear production with evidence of keratinization of the bulbar
conjunctiva

- Corneal or ocular surface infection within 30 days prior to study entry

- Ocular or periocular malignancy

- Inability to wear a contact lens due to lid abnormalities or shortened fornix

- Signs of current infection, including fever and current treatment with antibiotics

- Pregnancy (positive pregnancy test) or lactating

- Participation in another simultaneous interventional medical investigation or trial
We found this trial at
13
sites
Sacramento, California 95817
Principal Investigator: Mark Mannis, MD
Phone: 916-734-6303
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100 Stein Plaza
Los Angeles, California 90095
Principal Investigator: Anthony Aldave, MD
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Los Angeles, CA
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900 Northwest 17th Street
Miami, Florida 33136
Principal Investigator: Victor Perez, MD
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Miami, FL
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Ann Arbor, Michigan 48105
Principal Investigator: Shahzad Mian, MD
Phone: 734-647-8397
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Ann Arbor, MI
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Bala-Cynwyd, Pennsylvania 19007
Phone: 484-434-2706
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Bala-Cynwyd, PA
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Baltimore, Maryland
Principal Investigator: Esen Akpek, MD
Phone: 410-955-5214
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Baltimore, MD
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Chicago, Illinois 60612
Principal Investigator: Jose De La Cruz, MD
Phone: 312-355-4866
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Chicago, IL
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Cleveland, Ohio 44106
Principal Investigator: Pankaj Gupta, MD, MS
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Cleveland, OH
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Edgewood, Kentucky 41017
Principal Investigator: Edward Holland, MD
Phone: 859-331-9000
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Edgewood, KY
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Kansas City, Missouri 64111
Principal Investigator: Joseph Tauber, MD
Phone: 816-531-9100
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Kansas City, MO
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2200 Bergquist Drive
Lackland Air Force Base, Texas 78236
Principal Investigator: Richard Townley, MD
Phone: 210-292-2554
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Lackland Air Force Base, TX
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New York, New York 14642
Principal Investigator: James Aquavella, MD
Phone: 585-273-3937
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New York, NY
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San Diego, California 92093
Principal Investigator: Natalie Afshari, MD, FACS
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San Diego, CA
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