Diabetic Macular Edema Clinical Trial
Official title:
Effect of Intravitreal Long Acting Dexamethasone Implant, Ozurdex in Patients With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant,(Ozurdex®)in patients with diabetic macular edema.Diabetic macular edema is important cause of visual impairment in patients with diabetes mellitus. Focal/ grid laser photocoagulation is the standard of care in its management. Several adjuncts including intravitreal corticosteroids, Pegabtanib Sodium ,Ranibizumab, Bevacizumab, non-steroidal anti-inflammatory agents, corticosteroids, laser photocoagulation have been tried. Intravitreal Triamcinolone Acetonide (TA), a water insoluble steroid, has been shown to reduce the retinal thickness and improve the visual acuity. However, recurrence of macular edema in patients who receive intravitreal TA is a major concern as the patients need multiple repeat injections because of its short half life. A more potent steroid, dexamethasone has also been tried as an alternative to TA for macular edema; however, its short half life of only 3 hours prevents its clinical application. In search for the ideal corticosteroid preparation, a Dexamethasone Posterior Segment Drug Delivery System (Dexamethasone DDS - Ozurdex®, Allergan Inc, Irvine, California) was recently developed. Promising results have been shown in certain patients with retinal vein occlusions, uveitis receiving this intravitreal drug delivery system with improvement in visual acuity. The present study introduces a novel concept of using Ozurdex ® implant in patients with diabetic macular edema.
Status | Completed |
Enrollment | 61 |
Est. completion date | February 2012 |
Est. primary completion date | January 2012 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | 20 Years to 72 Years |
Eligibility |
Inclusion Criteria: - The patients of Type 1 or Type 2 Diabetes Mellitus fulfilling the following inclusion criteria shall be enrolled in the study: 1. Patients of Non Proliferative Diabetic retinopathy (NPDR)with clinicaly significant macular edema(CSME) 2. Patients with Proliferative Diabetic Retinopathy (PDR) with CSME where proliferative component has been adequately treated with laser photocoagulation 3. Diabetic patients withcystoid macular edema 4. Minimum central thickness on OCT not less than 300 microns Exclusion Criteria: 1. Patients with history of ocular hypertension or glaucoma 2. Patients with media haze or pupillary non-dilation that does not allow good fundus photography, FFA and OCT. 3. Patients with macular ischemia on FFA |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
India | Pooja Bansal | Chandigarh |
Lead Sponsor | Collaborator |
---|---|
Postgraduate Institute of Medical Education and Research |
India,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | change in central macular thickness | The primary outcome is the change in the central macular thickness, either an increase or decrease, as measured by optical coherence tomography as compared to baseline central macular thickness | Baseline and 6 months | No |
Secondary | Change in the visual acuity | Change in the visual acuity as measured by the logMAR visual acuity chart | Baseline and 6 months | No |
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