A Phase I Study of Episcleral Dexamethasone for Treatment of Macular Edema
Trial ID or NCT#
This phase I trial will assess primarily the safety and secondarily anti-inflammatory effect of Episcleral Dexamethasone in patients suffering from refractory diabetic macular edema.
A Phase I Study of Sequestered Transscleral, Controlled-Release Dexamethasone Delivered From an Episcleral Reservoir for Treatment of Macular Edema Secondary to Diabetes and Other Causes
- - Type I or II diabetes; - Age >= 18 years; - Visual acuity letter score in study eye < 70 and ≥ 25 letters (approximate Snellen equivalent 20/32 to 20/320); - Ophthalmoscopic evidence of center-involved DME, within the central subfield (CSF); - OCT CSF thickness value (microns): - Zeiss Cirrus: ≥290 in women; ≥305 in men - Heidelberg Spectralis: ≥305 in women; ≥320 in men - Previous treatment with laser, anti-VEGF therapy and/or intravitreal steroids; - No previous history of glaucoma or steroid-induced intraocular pressure response in either eye.
- - History of chronic renal failure requiring dialysis or kidney transplant; - Retinal or optic nerve neovascularization on clinical exam, fundus photographs, or fluorescein angiograms; - Evidence of external ocular infection; - History of open-angle glaucoma or intraocular pressure >= 25 mmHg; - History of steroid-induced IOP elevation that required IOP-lowering treatment; - History of prior herpetic ocular infection; - History of intravitreal or periocular corticosteroids within 3 months prior to enrollment; - History of macular laser photocoagulation within 4 months prior to enrollment; - History of antiangiogenic therapy within 4 weeks prior to enrollment; - History of panretinal photocoagulation (PRP) within 4 months prior to enrollment or anticipated need for PRP in the next 6 months following enrollment; - Presence of vitreomacular traction, epiretinal membrane, tractional retinal detachment, vitreous hemorrhage and or any ocular condition that the investigator judges could interfere in the safety and efficacy assessments; - No other major non-diabetic pathology, or anticipation of such in the next 6 months following enrollment that in the opinion of the investigator would substantially and adversely affect assessment of safety and toxicity during the study; - Participation in another clinical trial of non-approved medical treatment within 3 months prior to enrollment; - Degenerative myopia; - Malignant intraocular disease; - Inability to understand informed consent, cooperate with testing or return to follow up visits; Pregnant or lactating women; Co-existent ocular disorder of the cornea, lens or media that will interfere with assessment of safety or efficacy.
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