Characterization of Early Markers of Choroidal Neovascularization (CNV-Markers)
Characterization of Early Markers of Choroidal Neovascularization in Fellow Eyes of Patients With AMD and CNV in One Eye. (CNV-Markers)
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
The primary statistical objective of this study is to identify the sequence of alterations occurring in the chorioretinal interface during progression of AMD from risk "dry" AMD to sight-threatening chorioretinal neovascularization (CNV) (wet AMD).
Different imaging methods will be used simultaneously and at regular intervals in order to characterize markers or predictors of conversion to sight-threatening CNV will be: CNV (classic or occult) or position of CNV within 2500 µm (~1.7 disc diameters) of the foveal center, as evidenced by fluorescein angiography.
This is an institutional, prospective, observation study to be performed in fellow eyes of patients with evidence of "wet" AMD in other eye. Therefore, patients will have evidence of exudative ("wet") AMD in one eye ( the non-study eye) and non-exudative ("dry") AMD in the fellow eye (the study eye) that is at risk for progressive to exudation "wet" CNV.
Patients will exit the study at the time of developing sight-threatening CNV in the study eye and will be treated at the discretion of the physician.
Undersøgelsestype
Tilmelding (Faktiske)
Kontakter og lokationer
Studiesteder
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Coimbra, Portugal, 3000-548
- AIBILI - Clinical Trial Center
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Written informed consent
- Age over 50 years
- Any race and any sex
Clinical diagnosis of exudative AM;D in one eye (non-stud eye) and the presence of the following characteristics in the second eye (study eye, eye to be treated):
- At least 5 or more intermediate (> 63 µm) or larger soft drusen AND/OR Confluent drusen within 3000 µm of the fovea center
- Hyperpigmentation
Exclusion Criteria:
- History of medical condition that would preclude scheduled study visits
- History of ophthalmic disease in the study eye other than AMD
- Clinical signs of myopic retinopathy, or refraction higher than -8 diopter power.
- Intraocular surgery in the study eye within 60 days prior enrollement
- Evidence of past or present CNV in the study eye
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
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AMD
Patients with wet AMD in one eye and dry AMD in the other eye (study eye).
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
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Wet AMD development in the study eye.
Tidsramme: Single Visit
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Single Visit
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Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: José Cunha-Vaz, MD PhD, Association for Innovation and Biomedical Research on Light and Image
Publikationer og nyttige links
Hjælpsomme links
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- CNTM326_A9010002
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