Pancreatic Islet Transplantation into the Eye for Diabetes

This study is exploring a new way to treat diabetes by transplanting human pancreatic islets (cells that produce insulin) into the front part of the eye. This procedure, called intraocular islet transplantation, involves infusing these cells into the eye through a small incision. The procedure is expected to take about 20-30 minutes. After the transplant, participants will use eye drops to prevent their body from rejecting the new cells. This study is for people aged 18 to 75 with type 1 or type 2 diabetes who are legally blind in at least one eye. Researchers will be looking to see if there are no eye complications, no specific eye inflammation (sympathetic ophthalmia), and if the transplanted cells survive in the eye for 24 months after the procedure. The study is currently unclear on its recruitment status and plans to enroll 2 participants.

Study design
This is an interventional study with a planned enrollment of 2 participants. It is not specified if it is randomized or blinded.
What's involved
Participants will undergo a single procedure to transplant cells into their eye, which takes about 20-30 minutes. They will also use eye drops for maintenance immunosuppression.
Compensation
Not stated in the trial record.
Follow-up
Participants will be followed for 24 months after the transplant to check for eye complications and cell survival.

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NCT02846571

Pancreatic Islet Transplantation Into the Anterior Chamber of the Eye

Recruiting
PHASE1Ages 18–75InterventionalTreatment
Midhat H. Abdulreda
~2 participants
Updated 2026-03-12 on ClinicalTrials.gov
What's tested:Human Pancreatic Islet Transplantation

At a glance

Recruiting sites
2 of 2 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Absence of ocular complications
Measured over 24 months after transplant
+2 more outcomes measured
Diabetes
2 sites across 1 states
Florida2
  • Midhat H Abdulreda, Ph.D. · PRINCIPAL_INVESTIGATOR · University of Miami

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  • Absence of ocular complications24 months after transplant

    Absence of, corneal decompensation, increased intraocular pressure (IOP), uveitis, cataract formation, retinal detachment, retinal bleeding, retinal vasculopathies, macular edema, optic neuropathy, and endophthalmitis in the transplanted eye

  • Absence of sympathetic ophthalmia24 months after transplant

    Absence of ophthalmic complications in the non-transplanted eye and assessment of diabetic retinopathy compared to baseline before transplant

  • Confirmation of intraocular islet graft survival24 months after transplant

    Confirmation of positive c-peptide (\>1 ng/ml) in the aqueous humor of the transplanted eye and assessment of intraocular islet graft integrity by slit-lamp microscopy and OCT imaging