- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00469352
A Study of Genetic and Environmental Factors and Their Effect on Response to Treatment With Lucentis (Ranibizumab) for Wet AMD
The Effect of Genotype and Environmental Risk Factors on Treatment Response to Intravitreal Lucentis (Ranibizumab) for Neovascular AMD
Studieoversigt
Detaljeret beskrivelse
Age-related macular degeneration (AMD) is the leading cause of blindness in the developed world. The advanced stages of the disease are characterized by the development of geographic atrophy or choroidal neovascularization, both of which result in significant loss of vision. Development of intravitreal anti-VEGF agents such as ranibizumab has significantly improved outcomes for the neovascular for of the disease. However, it is not possible to predict which individuals will respond to the treatment.
The objective of this study is to establish the association between genetic factors and treatment response to intravitreal Lucentis. This will be accomplished by SNP-genotyping participants for AMD-susceptibility and candidate angiogenesis-pathway genes, collecting environmental risk factor variables and evaluating clinical outcomes. The aim of this pharmacogenetics study will be to identify patients at the outset of their treatment that require more intensive therapy.
Undersøgelsestype
Tilmelding (Forventet)
Fase
- Fase 3
Kontakter og lokationer
Studiesteder
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Oregon
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Portland, Oregon, Forenede Stater, 97239
- Casey Eye Institute, Oregon Health and Science University
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- All AMD-related CNV lesion types will be included.
- Age >50 years
- The study eye must never have received treatment for neovascular AMD
- Visual acuity in treatment eye must be between 20/30 and 20/320 (ETDRS).
Exclusion Criteria:
- Age <50 years;
- Previous therapy in either eye for AMD or other retinal disease which may be used in the treatment of AMD;
- Choroidal neovascularization not from AMD;
- Concomitant non-AMD related maculopathy in study eye;
- Active treatment for neovascular AMD in fellow eye;
- Acuity loss or central field loss from non-AMD cause;
- Pigment epithelial detachment without evidence of CNV;
- Individuals in whom Lucentis is contraindicated;
- Participation in another clinical trial in last three months
- Pregnancy (positive pregnancy test) or lactation
- Premenopausal women not using adequate contraception
- Prior enrollment in the study
- Any other condition that the investigator believes would pose a significant hazard to the subject if the investigational therapy were initiated
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Ikke-randomiseret
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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The primary outcome measure is clinical treatment response to intravitreal Lucentis, defined as: 'Clinical stabilization' : stabilization of visual acuity. 'Clinical improvement'; 'Clinical progression'
Tidsramme: 12 months
|
12 months
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Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Establish the association between environmental risk factors and treatment response to intravitreal Lucentis when controlling for genotype
Tidsramme: 12 months
|
12 months
|
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Association between central macular thickness as measured by ocular coherence tomography (OCT) in response to Lucentis treatment and genotype/environmental risk exposure.
Tidsramme: 12 months
|
12 months
|
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Median number of intravitreal ranibizumab (Lucentis) injections required per patient
Tidsramme: 12 months
|
12 months
|
Samarbejdspartnere og efterforskere
Efterforskere
- Ledende efterforsker: Peter J Francis, MD PhD, Casey Eye Institute, Oregon Health and Science University
Publikationer og nyttige 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
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- IRB00003335
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