NCT00347698

Brief Summary

The purpose of the study is to evaluate the safety and efficacy of 2.5 mg of intravitreal bevacizumab in one eye, versus panretinal photocoagulation in the contralateral eye, for the treatment of patients with untreated symmetric proliferative diabetic retinopathy.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Mar 2006

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2006

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2006

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

June 30, 2006

Completed
4 days until next milestone

First Posted

Study publicly available on registry

July 4, 2006

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2007

Completed
Last Updated

May 30, 2024

Status Verified

May 1, 2024

Enrollment Period

Same day

First QC Date

June 30, 2006

Last Update Submit

May 29, 2024

Conditions

Keywords

diabetic retinopathybevacizumabphotocoagulation

Outcome Measures

Primary Outcomes (4)

  • Best corrected visual acuity at six months and one year

  • Macular thickness measured by OCT at six months and one year

  • Median deviation in visual fields at one year

  • Score on a patient satisfaction scale at six months and one year

Secondary Outcomes (1)

  • Complications associated to each treatment

Interventions

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • symmetric proliferative diabetic retinopathy without high risk characteristics
  • age 18 years or older
  • patient consent

You may not qualify if:

  • heart attack or cerebrovascular attack
  • only eye
  • retinal detachment
  • vitreous haemorrhage
  • previous treatment for diabetic retinopathy
  • media opacities that preclude visualization of the fundus
  • pregnancy
  • inability to understands the implications of the protocol

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Asociación para Evitar la Ceguera en México

Mexico City, D. F, 04030, Mexico

Location

Related Publications (10)

  • Treatment techniques and clinical guidelines for photocoagulation of diabetic macular edema. Early Treatment Diabetic Retinopathy Study Report Number 2. Early Treatment Diabetic Retinopathy Study Research Group. Ophthalmology. 1987 Jul;94(7):761-74. doi: 10.1016/s0161-6420(87)33527-4.

    PMID: 3658348BACKGROUND
  • Frank RN. Visual fields and electroretinography following extensive photocoagulation. Arch Ophthalmol. 1975 Aug;93(8):591-8. doi: 10.1001/archopht.1975.01010020575004.

    PMID: 1171677BACKGROUND
  • Salti H. Visual dysfunction after panretinal photocoagulation in patients with severe diabetic retinopathy and good vision. Am J Ophthalmol. 2006 Feb;141(2):422; author reply 422-3. doi: 10.1016/j.ajo.2005.10.040. No abstract available.

    PMID: 16458724BACKGROUND
  • Witmer AN, Vrensen GF, Van Noorden CJ, Schlingemann RO. Vascular endothelial growth factors and angiogenesis in eye disease. Prog Retin Eye Res. 2003 Jan;22(1):1-29. doi: 10.1016/s1350-9462(02)00043-5.

    PMID: 12597922BACKGROUND
  • Presta LG, Chen H, O'Connor SJ, Chisholm V, Meng YG, Krummen L, Winkler M, Ferrara N. Humanization of an anti-vascular endothelial growth factor monoclonal antibody for the therapy of solid tumors and other disorders. Cancer Res. 1997 Oct 15;57(20):4593-9.

    PMID: 9377574BACKGROUND
  • Spaide RF, Fisher YL. Intravitreal bevacizumab (Avastin) treatment of proliferative diabetic retinopathy complicated by vitreous hemorrhage. Retina. 2006 Mar;26(3):275-8. doi: 10.1097/00006982-200603000-00004.

    PMID: 16508426BACKGROUND
  • Avery RL. Regression of retinal and iris neovascularization after intravitreal bevacizumab (Avastin) treatment. Retina. 2006 Mar;26(3):352-4. doi: 10.1097/00006982-200603000-00016. No abstract available.

    PMID: 16508438BACKGROUND
  • Iturralde D, Spaide RF, Meyerle CB, Klancnik JM, Yannuzzi LA, Fisher YL, Sorenson J, Slakter JS, Freund KB, Cooney M, Fine HF. Intravitreal bevacizumab (Avastin) treatment of macular edema in central retinal vein occlusion: a short-term study. Retina. 2006 Mar;26(3):279-84. doi: 10.1097/00006982-200603000-00005.

    PMID: 16508427BACKGROUND
  • Rosenfeld PJ, Moshfeghi AA, Puliafito CA. Optical coherence tomography findings after an intravitreal injection of bevacizumab (avastin) for neovascular age-related macular degeneration. Ophthalmic Surg Lasers Imaging. 2005 Jul-Aug;36(4):331-5.

    PMID: 16156152BACKGROUND
  • Rosenfeld PJ, Fung AE, Puliafito CA. Optical coherence tomography findings after an intravitreal injection of bevacizumab (avastin) for macular edema from central retinal vein occlusion. Ophthalmic Surg Lasers Imaging. 2005 Jul-Aug;36(4):336-9.

    PMID: 16156153BACKGROUND

MeSH Terms

Conditions

Diabetic Retinopathy

Condition Hierarchy (Ancestors)

Retinal DiseasesEye DiseasesDiabetic AngiopathiesVascular DiseasesCardiovascular DiseasesDiabetes ComplicationsDiabetes MellitusEndocrine System Diseases

Study Officials

  • Gerardo García-Aguirre, MD

    Asociación para Evitar la Ceguera en México

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

June 30, 2006

First Posted

July 4, 2006

Study Start

March 1, 2006

Primary Completion

March 1, 2006

Study Completion

August 1, 2007

Last Updated

May 30, 2024

Record last verified: 2024-05

Locations