Study Stopped
Undefined
VEGF Levels in Aqueous, Vitreous and Subretinal Fluid in ROP Stage IV and V
Vascular Endothelial Growth Factor Levels in Aqueous, Vitreous and Subretinal Fluid in Patients With Retinopathy of Prematurity Stage IV and V
1 other identifier
interventional
N/A
1 country
2
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
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Mar 2007
Shorter than P25 for phase_4
2 active sites
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
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2007
CompletedFirst Submitted
Initial submission to the registry
November 21, 2007
CompletedFirst Posted
Study publicly available on registry
November 26, 2007
CompletedMay 30, 2024
May 1, 2024
Same day
November 21, 2007
May 29, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
VEGF Levels
one day
Interventions
Open-Sky vitrectomy, with resection of the tunica vasculosa lentis, and retinal reattachment
Eligibility Criteria
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
Asociacion Para Evitar la Ceguera en Mexico. Hospital Luis Sanchez Bulnes
Mexico City, Mexico D. F., 04030, Mexico
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: 10751359BACKGROUNDPierce 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: 8859081BACKGROUNDGaynon 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: 16946672BACKGROUNDHellstrom 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: 11331770BACKGROUNDModanlou 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: 16431975BACKGROUNDCooke 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: 15161830BACKGROUNDMaier 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: 17093399BACKGROUNDPhelps 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: 15286235BACKGROUNDYoo 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: 16303979BACKGROUNDMulticenter 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: 2895630BACKGROUNDItakura 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
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Raul Velez-Montoya, MD
Asociación para Evitar la Ceguera en Mexico
- PRINCIPAL INVESTIGATOR
Hugo Quiroz-Mercado, MD
Asociación para Evitar la Ceguera en Mexico
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