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Status:

COMPLETED

The Ranibizumab for Edema of the mAcula in Diabetes-2 (READ-2) Study

Lead Sponsor:

Johns Hopkins University

Collaborating Sponsors:

Juvenile Diabetes Research Foundation

Genentech, Inc.

Conditions:

Diabetic Macular Edema

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

This study is being done to see if the investigational drug Ranibizumab (RBZ) given by injection into the eye, is safe and effective to use in people with diabetic macular edema (DME). The investigato...

Detailed Description

The READ-2 Study is a phase 2 randomized, multi-center clinical trial to be conducted under an investigator-initiated investigational new drug (IND). The study aims to enroll 126 patients, who will be...

Eligibility Criteria

Inclusion

  • Inclusion:
  • Signed informed consent and authorization of use and disclosure of protected health information
  • Age greater than 18 years
  • Diagnosis of diabetes mellitus (type 1 or type 2) and serum HbA1c greater than 5.5% within 12 months of randomization
  • Retinal thickening secondary to diabetes mellitus (diabetic macular edema) involving the center of the fovea.
  • Diagnosis must be confirmed by OCT images
  • Foveal thickness of greater than 250, as assessed by OCT
  • Best corrected visual acuity score in the study eye of 20/40 to 20/320 inclusive (Snellen equivalents using the ETDRS protocol at a distance of 4 meters). Only one eye will be treated in the study. If both eyes are eligible, the investigator will select the eye to be enrolled. Visual acuity in the non-study eye must be greater than 20/800.
  • In the opinion of the investigator, decreased vision in the study eye is due to foveal thickening from DME and not from other obvious causes.
  • In the opinion of the investigator, laser photocoagulation can be withheld for at least 30 days after the patient has enrolled in the study
  • Exclusion Criteria:
  • Panretinal photocoagulation or macular photocoagulation within 3 months of study entry in the study eye
  • Use of intraocular or periocular injection of steroids in the study eye (e.g., triamcinolone) within 3 months of study entry
  • Previous participation in a study and receipt of anti-angiogenic drugs (pegaptanib sodium, ranibizumab, anecortave acetate, protein kinase C inhibitor, etc.) within 2 months of study entry
  • Eyes in which the investigators do not feel appropriate to do any additional laser photocoagulation
  • Proliferative diabetic retinopathy in the study eye, with the exceptions of inactive, fibrotic proliferative diabetic retinopathy that has regressed following pan-retinal laser photocoagulation or tufts of neovascularization elsewhere (NVE) less than one disc area with no vitreous hemorrhage
  • Vitreomacular traction or epiretinal membrane in the study eye evident biomicroscopically or by OCT
  • Structural damage to the center of the macula in the study eye likely to preclude improvement in visual acuity following the resolution of macular edema, including atrophy of the retinal pigment epithelium, subretinal fibrosis, laser scar(s), macular ischemia, or organized hard exudate plaque
  • Ocular disorders in the study eye that may confound interpretation of study results, including retinal vascular occlusion, retinal detachment, macular hole, or choroidal neovascularization of any cause (e.g., age related macular degeneration (AMD), ocular histoplasmosis, or pathologic myopia)
  • Concurrent disease in the study eye that could compromise visual acuity or require medical or surgical intervention during the first 6-month study period
  • Eyes which are likely to need cataract surgery and intraocular lens implantation within the first 6 months of the study
  • Cataract surgery in the study eye within 3 months of study entry; Yttrium-Aluminum-Garnet (YAG) laser capsulotomy within 2 months of study entry; or any other intraocular surgery within 3 months preceding Day 0.
  • History of vitreoretinal surgery in the study eye within 3 months of study entry
  • Uncontrolled glaucoma (defined as intraocular pressure greater than 30 mm Hg despite treatment with anti-glaucoma medications)
  • Uncontrolled diabetes mellitus, as evidenced by glycosylated hemoglobin (HbA1c) value greater than 12%
  • Premenopausal women not using adequate contraception
  • Any women who are pregnant
  • International normalized ratio (INR) greater than or equal to 3.0 (e.g. due to current treatment with warfarin). The use of aspirin or other anticoagulants is not an exclusion
  • History of gastrointestinal bleeding within 2 months of study enrollment
  • History of major gastrointestinal, cardiothoracic, gynecological, genitourinary, or orthopedic surgeries within 2 months of study enrollment
  • History of cerebral vascular accident, myocardial infarction, transient ischemic attacks within 6 months of study enrollment
  • Any patients who are on renal dialysis

Exclusion

    Key Trial Info

    Start Date :

    December 1 2006

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ACTUAL

    End Date :

    August 1 2011

    Estimated Enrollment :

    126 Patients enrolled

    Trial Details

    Trial ID

    NCT00407381

    Start Date

    December 1 2006

    End Date

    August 1 2011

    Last Update

    March 31 2017

    Active Locations (20)

    Enter a location and click search to find clinical trials sorted by distance.

    Page 1 of 5 (20 locations)

    1

    Retinal Consultants of Arizona

    Phoenix, Arizona, United States, 85014

    2

    Retina-Vitreous Associates Medical Group

    Beverly Hills, California, United States, 90211

    3

    University of Southern California

    Los Angeles, California, United States, 90033

    4

    East Bay Retina Consultants

    Oakland, California, United States, 94609