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About
The Boston Keratoprosthesis type I (KPro) is a prosthetic cornea used to treat several causes of corneal blindness. Some categories of patients, including those with auto-immune diseases such as Stevens-Johnson syndrome, toxic epidermal necrolysis syndrome and mucous membrane pemphigoid, have a higher risk of failure for the KPro. Because of chronic inflammation, the cornea supporting the KPro may melt, leading to a higher risk of infection, loss of the KPro and loss of the eye.
Infliximab is an antibody against tumor necrosis factor alpha and is used intravenously to control inflammation in several diseases. It has been used in some cases of corneal melting with significant success.
This study's hypothesis is that infliximab can be successfully used as an eye drop (instead of the usual administration through veins) and that its regular use may prevent melt in eyes with a Boston Keratoprosthesis type I and underlying auto-immune disease.
Full description
This is an unmasked, prospective, multicenter clinical trial of four patients that are candidates for a Boston Keratoprosthesis or have had prior KPro surgery and have a diagnosis of Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis syndrome (TENS) or mucous membrane pemphigoid (MMP). Only one eye per patient will be considered for inclusion.
This is a phase I/II study to evaluate the safety and tolerance of topical infliximab 10 mg/mL eye drops. Research subjects will be required to administer infliximab eye drops four times per day for three months followed by twice daily administration for nine months. The subjects will be monitored while on the study medication as well as for one year following discontinuation of the drug. The total study duration for each patient will be two years.
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Inclusion criteria
Exclusion criteria
Active or recurrent ocular or systemic infection
Malignancy diagnosed in the last five years
Demyelinating disease
History or current diagnosis of diabetes mellitus (controlled and uncontrolled)
Heart failure (New York Heart Association class III or IV)
Pregnancy or breast-feeding
Scheduled to receive a live vaccine at any time point during study participation
Allergy to infliximab or any of the compounds in its topical formulation or any chemically-related medication
Prior or current use of systemic anti-tumor necrosis alpha-α medications or currently receiving treatments of Kineret (Anakinra)
KPro designs with less than 16 holes in the back plate (to avoid the confounder of corneal nutrition)
Inability to comply with the instillation of additional drops
Unable to attend postoperative visits or administer medications, or no care giver available and willing to assist with same
Primary purpose
Allocation
Interventional model
Masking
0 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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