- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01156168
Biomarkers in Tissue Samples From Patients With Breast Cancer Treated With Bevacizumab
VEGF Gene Amplification/Deletion and Haplotype as Biomarkers for Bevacizumab in Breast Cancer
RATIONALE: DNA analysis of tumor tissue may help doctors predict how well patients will respond to treatment.
PURPOSE: This research study is studying biomarkers in tissue samples from patients with breast cancer treated with bevacizumab.
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
OBJECTIVES:
Primary
- To demonstrate that vascular endothelial growth factor-A (VEGFA) haplotypes that are associated with an increased VEGFA expression will predict superior outcome for patients with metastatic breast cancer receiving bevacizumab in ECOG-E2100 (but not for the control arm).
- To demonstrate that candidate single nucleotide polymorphisms (SNPs) will further improve the predictive capacity of outcome (efficacy and toxicity) in patients enrolled in ECOG-E2100.
- To demonstrate that tumor VEGFA amplification or borderline amplification (estimated 14% frequency) will predict superior outcome for patients with metastatic breast cancer receiving bevacizumab on ECOG-E2100 whereas those with VEGFA deletion (estimated 11% frequency) will predict inferior outcome.
- To demonstrate that VEGFA amplification/deletion will not predict outcome in the control arm of ECOG-E2100.
Secondary
- To demonstrate that tumor VEGFA amplification will predict increased protein expression as ascertained by IHC.
- To demonstrate that a combined algorithm calculated from tumor-specific variability (VEGFA amplification/deletion) and host-specific variability (SNPs) will optimally predict outcome (efficacy) with bevacizumab in patients enrolled on ECOG-E2100.
OUTLINE: This is a multicenter study.
Previously collected tumor-derived DNA is analyzed for VEGFA amplification/deletion and haplotype as biomarkers for outcome after bevacizumab treatment. Gene expression, polymorphism, protein expression analysis, and IHC are performed on the samples.
Undersøgelsestype
Tilmelding (Faktiske)
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
DISEASE CHARACTERISTICS:
- Enrolled on ECOG-E2100
PATIENT CHARACTERISTICS:
- Not specified
PRIOR CONCURRENT THERAPY:
- See Disease Characteristics
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Comparison between VEGF haplotype and median overall survival (OS) and grade 3/4 hypertension (HTN)
Tidsramme: 1 month
|
1 month
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Comparison between VEGF amplification/deletion and VEGF expression
Tidsramme: 1 month
|
1 month
|
Samarbejdspartnere og efterforskere
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Bryan P. Schneider, MD, Indiana University Melvin and Bren Simon Cancer Center
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
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 (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- CDR0000681004
- ECOG-E2100T4
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