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Diffuse Diabetic Maculopathy With Intravitreal Triamcinolone or Laser

Not Applicable
Completed
Conditions
Macular Edema
Interventions
Procedure: laser therapy
Registration Number
NCT00668239
Lead Sponsor
Hospital de Clinicas de Porto Alegre
Brief Summary

This study compares the use of intravitreous triamcinolone and laser therapy to treat maculopahty in patients with type 2 diabetes mellitus in a short-tem period of 6 months

Detailed Description

The purpose of this double blind randomized clinical trial was to compare the treatment of diffuse diabetic macular oedema with intravitreal triamcinolone and laser in patients with type 2 diabetes mellitus (DM), using a morphofunctional assessment. Patients with clinically significant diffuse macular oedema, previously untreated and with a macular thickness \>250 μm at optical coherence tomography (OCT) were randomized for treatment with Laser or intravitreal injection of Triamcinolone acetate. Optical coherence tomography (OCT), biomicroscopy, fundoscopy, fluorescein angiography, tonometry, scotometry, visual acuity and contrast acuities were performed at 0, 1, 3 and 6 months.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
14
Inclusion Criteria
  • patients with type 2 DM, diffuse macular oedema secondary to diabetic retinopathy, seen at the Centre of Reference for Diabetic Retinopathy at Hospital de Clinicas de Porto Alegre (HCPA) and at the Ophthalmology Outpatient Clinic at HCPA,
Exclusion Criteria
  • patients with type 2 DM and previous treatment of diffuse macular oedema secondary to diabetic retinopathy

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
1laser therapyLaser treatment: laser was applied to the macular region according to the modified grid technique in inverted C, preserving 500 μ of the foveolus and avascular zone, with 100μ diameter shots, energy varying from 0.2 to 0.5 joules, with a time of exposure between 0.2 and 0.4 seconds. One hundred and fifty to 200 shots were applied according to the size of the retinal area². ND YAG laser (Crystal Focus (EMERED®) was used
2intravitreous triamcinolonetriamcinolone as previously described
Primary Outcome Measures
NameTimeMethod
diffuse macular oedema1, 3 and 6 months
Secondary Outcome Measures
NameTimeMethod
morphofunctional assessment of retina1,3 and 6 monts

Trial Locations

Locations (2)

Hospital de Clínicas de Porto Alegre

🇧🇷

Porto Alegre, RS, Brazil

HOspital de Clínicas de Porto alegre

🇧🇷

Porto alegre, RS, Brazil

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