Diabetic Macular Edema Clinical Trial
Official title:
Evaluation of the Utility of Intravitreal Methotrexate in Patients With Recalcitrant Diabetic Macular Edema in an Open Label, Nonrandomized, Uncontrolled, Interventional Pilot Trial
Verified date | November 2017 |
Source | Wake Forest University Health Sciences |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
It is well known that blindness is one of the most feared disabilities expressed by patients in the United States. Estimates of the economic impact of visual disability in the current population exceed 30 million US dollars in this country alone. The reasons for this figure are many; however age related macular degeneration (ARMD), diabetic retinopathy, glaucoma and uveitis are responsible for the majority of permanent visual disability and hence the costs in both quality of life and placing an economic burden on society. Research that may help reverse various abnormal biological responses that lead to or worsen clinical manifestations of diabetic retinopathy would be valuable.
Status | Terminated |
Enrollment | 2 |
Est. completion date | August 2012 |
Est. primary completion date | August 2012 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 85 Years |
Eligibility |
Inclusion Criteria: - Adult patients (18 years and older) with clinically significant macular edema (CSME) with visual acuity less than 20/60 to Hand motion in the study eye. - Patients should have persistent CSME three months after laser therapy or three months after intraocular injection of Avastin or triamcinolone. These interventions could be multiple or combined. - Optical coherence tomography (OCT) scan demonstrating more than 275 microns retinal thickness in central subfield of study eye. - Ability to understand study instructions, interventions and potential complications. - History of reasonably controlled Diabetes mellitus (DM), = 8.5HbA1c that has been evaluated in the last 3 months. - Ability to undergo contraceptive protection during and 3 months after intraocular injections. - Clear demonstration (in female patients) of commitment to avoid pregnancy and a negative urine pregnancy test at baseline for women of childbearing potential. - Clear understanding of teratogenic potential of MTX. Exclusion Criteria: - History of allergy to MTX. - An ocular condition is present such that, in the opinion of the investigator, visual acuity loss would not improve from resolution of macular edema (e.g., foveal atrophy, pigment abnormalities, dense subfoveal hard exudates, nonretinal condition. - An ocular condition is present (other than diabetes) that, in the opinion of the investigator, might affect macular edema or alter visual acuity during the course of the study (e.g., vein occlusion, uveitis or other ocular inflammatory disease, neovascular glaucoma, epiretinal membrane, etc.). - An eye treated for Glaucoma - Eyes that underwent vitrectomy - History of intraocular malignancies. - Intraocular surgery with the prior 3 months. - Recent significant change in diabetic medications. - Insulin usage less than a year. - Life threatening co morbidities such as cancer under therapy. - Use of oral, intravenous, periocular or intraocular corticosteroids (steroids) in prior 3 months. - Liver function that exceeds three times the upper limit of normal at baseline, or within 6 weeks of that appointment. - Pregnant females. - Vitreous hemorrhage (active) in study eye - Anticipation of the need for laser pan retinal photocoagulation in the next 6 months. - Media opacities - Herpetic disease of cornea - Corneal dystrophy with significant corneal edema. - Any major surgery within the last 30 days |
Country | Name | City | State |
---|---|---|---|
United States | Wake Forest Baptist Health Eye Center | Winston-Salem | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Wake Forest University |
United States,
Ghajarnia M, Kurup S, Eller A. The therapeutic effects of intravitreal bevacizumab in a patient with recalcitrant idiopathic polypoidal choroidal vasculopathy. Semin Ophthalmol. 2007 Apr-Jun;22(2):127-31. — View Citation
Hardwig PW, Pulido JS, Erie JC, Baratz KH, Buettner H. Intraocular methotrexate in ocular diseases other than primary central nervous system lymphoma. Am J Ophthalmol. 2006 Nov;142(5):883-5. — View Citation
Hartley KL, Smiddy WE, Flynn HW Jr, Murray TG. Pars plana vitrectomy with internal limiting membrane peeling for diabetic macular edema. Retina. 2008 Mar;28(3):410-9. doi: 10.1097/IAE.0b013e31816102f2. — View Citation
Rein DB, Zhang P, Wirth KE, Lee PP, Hoerger TJ, McCall N, Klein R, Tielsch JM, Vijan S, Saaddine J. The economic burden of major adult visual disorders in the United States. Arch Ophthalmol. 2006 Dec;124(12):1754-60. Erratum in: Arch Ophthalmol. 2007 Sep;125(9):1304. — View Citation
Shimura M, Nakazawa T, Yasuda K, Shiono T, Iida T, Sakamoto T, Nishida K. Comparative therapy evaluation of intravitreal bevacizumab and triamcinolone acetonide on persistent diffuse diabetic macular edema. Am J Ophthalmol. 2008 May;145(5):854-61. doi: 10.1016/j.ajo.2007.12.031. Epub 2008 Mar 6. — View Citation
Vasconcelos-Santos DV, Nehemy PG, Schachat AP, Nehemy MB. Secondary ocular hypertension after intravitreal injection of 4 mg of triamcinolone acetonide: incidence and risk factors. Retina. 2008 Apr;28(4):573-80. doi: 10.1097/IAE.0b013e31816079e8. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | 30% Decrease in One Subfield Thickness on Optical Coherence Tomography (OCT) 4 Weeks After the Last Intraocular Injection | 4 weeks | ||
Secondary | Number of Participants With Increase in Visual Acuity (VA) Two Lines or More at the End of One Month After the Last Intraocular Injection | 1 month | ||
Secondary | Secondary Would be Significant Clinical Improvement (Judged at the Slit Lamp Exam Using a 90D Lens) in Macular Edema at the End of One Month After the Last Intraocular Injection. | 1 month |
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