NCT00563121

Brief Summary

To determine the degree of VEGF in Aqueous, vitreous and SRF in patients with ROP in stage V. Verifying that it is greater to that found in healthy newborn patients with different ocular pathology.

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 2007

Shorter than P25 for phase_4

Geographic Reach
1 country

2 active sites

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withdrawn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, 2007

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2007

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2007

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 21, 2007

Completed
5 days until next milestone

First Posted

Study publicly available on registry

November 26, 2007

Completed
Last Updated

May 30, 2024

Status Verified

May 1, 2024

Enrollment Period

Same day

First QC Date

November 21, 2007

Last Update Submit

May 29, 2024

Conditions

Keywords

Retinopathy of PrematurityROPVascular Endothelial Growth FactorVEGFVitreousSubretinal FluidELISAVEGF levels in Aqueous, Vitreous and subretinal Fluid

Outcome Measures

Primary Outcomes (1)

  • VEGF Levels

    one day

Interventions

VitrectomyPROCEDURE

Open-Sky vitrectomy, with resection of the tunica vasculosa lentis, and retinal reattachment

Eligibility Criteria

Age1 Month - 10 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Premature newborns with less than 32 weeks of gestation.
  • Low birth weight (less than 1500gr)
  • Stage V ROP.
  • The parents has signed the informed consent.

You may not qualify if:

  • Previous treatment of ROP.
  • Surgery or another ocular pathology of any type.
  • Systemic diseases, including diabetes mellitus, congestive heart failure acute renal insufficiency, Chronic renal insufficiency, high blood pressure.
  • Lack of Informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Asociación para Evitar la Ceguera en Mexico

Mexico City, Mexico City, 04030, Mexico

Location

Asociacion Para Evitar la Ceguera en Mexico. Hospital Luis Sanchez Bulnes

Mexico City, Mexico D. F., 04030, Mexico

Location

Related Publications (11)

  • Lashkari K, Hirose T, Yazdany J, McMeel JW, Kazlauskas A, Rahimi N. Vascular endothelial growth factor and hepatocyte growth factor levels are differentially elevated in patients with advanced retinopathy of prematurity. Am J Pathol. 2000 Apr;156(4):1337-44. doi: 10.1016/S0002-9440(10)65004-3.

    PMID: 10751359BACKGROUND
  • Pierce EA, Foley ED, Smith LE. Regulation of vascular endothelial growth factor by oxygen in a model of retinopathy of prematurity. Arch Ophthalmol. 1996 Oct;114(10):1219-28. doi: 10.1001/archopht.1996.01100140419009.

    PMID: 8859081BACKGROUND
  • Gaynon MW. Rethinking STOP-ROP: is it worthwhile trying to modulate excessive VEGF levels in prethreshold ROP eyes by systemic intervention? A review of the role of oxygen, light adaptation state, and anemia in prethreshold ROP. Retina. 2006 Sep;26(7 Suppl):S18-23. doi: 10.1097/01.iae.0000244292.86627.1e.

    PMID: 16946672BACKGROUND
  • Hellstrom A, Perruzzi C, Ju M, Engstrom E, Hard AL, Liu JL, Albertsson-Wikland K, Carlsson B, Niklasson A, Sjodell L, LeRoith D, Senger DR, Smith LE. Low IGF-I suppresses VEGF-survival signaling in retinal endothelial cells: direct correlation with clinical retinopathy of prematurity. Proc Natl Acad Sci U S A. 2001 May 8;98(10):5804-8. doi: 10.1073/pnas.101113998. Epub 2001 May 1.

    PMID: 11331770BACKGROUND
  • Modanlou HD, Gharraee Z, Hasan J, Waltzman J, Nageotte S, Beharry KD. Ontogeny of VEGF, IGF-I, and GH in neonatal rat serum, vitreous fluid, and retina from birth to weaning. Invest Ophthalmol Vis Sci. 2006 Feb;47(2):738-44. doi: 10.1167/iovs.05-1046.

    PMID: 16431975BACKGROUND
  • Cooke RW, Drury JA, Mountford R, Clark D. Genetic polymorphisms and retinopathy of prematurity. Invest Ophthalmol Vis Sci. 2004 Jun;45(6):1712-5. doi: 10.1167/iovs.03-1303.

    PMID: 15161830BACKGROUND
  • Maier R, Weger M, Haller-Schober EM, El-Shabrawi Y, Theisl A, Barth A, Aigner R, Haas A. Application of multiplex cytometric bead array technology for the measurement of angiogenic factors in the vitreous. Mol Vis. 2006 Oct 2;12:1143-7.

    PMID: 17093399BACKGROUND
  • Phelps DL; ETROP Cooperative Group. The Early Treatment for Retinopathy of Prematurity study: better outcomes, changing strategy. Pediatrics. 2004 Aug;114(2):490-1. doi: 10.1542/peds.114.2.490. No abstract available.

    PMID: 15286235BACKGROUND
  • Yoo MH, Hyun HJ, Koh JY, Yoon YH. Riluzole inhibits VEGF-induced endothelial cell proliferation in vitro and hyperoxia-induced abnormal vessel formation in vivo. Invest Ophthalmol Vis Sci. 2005 Dec;46(12):4780-7. doi: 10.1167/iovs.05-0376.

    PMID: 16303979BACKGROUND
  • Multicenter trial of cryotherapy for retinopathy of prematurity. Preliminary results. Cryotherapy for Retinopathy of Prematurity Cooperative Group. Arch Ophthalmol. 1988 Apr;106(4):471-9. doi: 10.1001/archopht.1988.01060130517027.

    PMID: 2895630BACKGROUND
  • Itakura H, Kishi S, Kotajima N, Murakami M. Persistent secretion of vascular endothelial growth factor into the vitreous cavity in proliferative diabetic retinopathy after vitrectomy. Ophthalmology. 2004 Oct;111(10):1880-4. doi: 10.1016/j.ophtha.2004.03.035.

    PMID: 15465550BACKGROUND

MeSH Terms

Conditions

Retinopathy of Prematurity

Interventions

Vitrectomy

Condition Hierarchy (Ancestors)

Retinal DiseasesEye DiseasesInfant, Premature, DiseasesInfant, Newborn, DiseasesCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Intervention Hierarchy (Ancestors)

Ophthalmologic Surgical ProceduresSurgical Procedures, Operative

Study Officials

  • Raul Velez-Montoya, MD

    Asociación para Evitar la Ceguera en Mexico

    PRINCIPAL INVESTIGATOR
  • Hugo Quiroz-Mercado, MD

    Asociación para Evitar la Ceguera en Mexico

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

November 21, 2007

First Posted

November 26, 2007

Study Start

March 1, 2007

Primary Completion

March 1, 2007

Study Completion

June 1, 2007

Last Updated

May 30, 2024

Record last verified: 2024-05

Locations