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- Klinische proef NCT01138345
Biomarkers in Blood Samples From Older Breast Cancer Survivors
The Effect of Chemotherapy on Aging in Older Women With Breast Cancer as Measured by Expression of p16INK4a
RATIONALE: Studying samples of blood from patients with cancer in the laboratory may help doctors identify and learn more about biomarkers related to cancer. It may also help doctors understand how well patients respond to treatment.
PURPOSE: This research study is studying biomarkers in blood samples from older women with stage I, stage II, or stage III breast cancer who have finished primary therapy or breast cancer survivors.
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
OBJECTIVES:
Primary
- To measure and compare normalized p16^INK4a gene expression in women ≥ 65 years of age with stage I-III breast cancer who have completed primary therapy comprising surgery with or without radiotherapy followed by endocrine therapy (cohort 2) versus surgery with or without radiotherapy followed by chemotherapy and with or without endocrine therapy (cohort 3) .
- To measure and compare normalized p16^INK4a gene expression in women ≥ 65 years of age with stage I-III breast cancer who have completed primary therapy comprising surgery with or without radiotherapy (cohort 1) versus women treated in cohort 2.
- To compare normalized p16^INK4a gene expression between cohorts 1, 2, and 3 versus an age-matched contemporaneous control group of healthy volunteers accrued from a separate study (cohort 4).
Secondary
- To access functional status (ability to live independently at home and in the community), co-morbid medical conditions, cognition, psychological status, social functioning and support, medication review, nutritional status, and health-behavior status of these patients.
Tertiary (exploratory)
- To compare methodologies of p16 ^INK4a gene expression measurement in 50 patients in order to develop a batchable and analytically validated assay that eliminates the need for rapid sample processing.
- To explore any association between p16^INK4a expression and amount of vigorous physical activity, smoking habits, and/or weekly alcohol consumption.
- To explore any association between p16^INK4a expression and type of chemotherapy received, co-morbidities, concomitant medications, and/or tumor characteristics.
- To correlate p16^INK4a expression with scores from selected domains of the Geriatric Assessment (i.e., cognitive function, activities of daily living (ADL), and the instrumental ADL.
OUTLINE: Breast cancer survivors and healthy volunteers undergo blood collection for p16^INK4a gene expression analysis by Taqman RT-PCR.
Breast cancer survivors complete the Health Behavior and the Geriatric Assessment Questionnaires. They also complete a Timed Up and Go test to determine physical mobility.
Medical charts are reviewed to record information about diagnosis and treatment.
Studietype
Inschrijving (Werkelijk)
Contacten en locaties
Studie Locaties
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North Carolina
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Chapel Hill, North Carolina, Verenigde Staten, 27599-7295
- Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
Beschrijving
DISEASE CHARACTERISTICS:
Histologically confirmed breast cancer
- Stage I-III disease
Breast cancer survivors meeting 1 of the following criteria:
- Prior surgery with or without (±) radiotherapy (RT) (cohort 1)
Prior surgery ± RT, followed by prior or concurrent hormonal (endocrine) therapy (cohort 2)
- Must have received or be on endocrine therapy for ≥ 3 months
- Prior surgery ± RT, followed by prior chemotherapy ± endocrine therapy (cohort 3)
- No recurrent disease
- No history of clonal bone marrow disorder (i.e., myelodysplastic or myeloproliferative disorder, acute or chronic leukemia)
PATIENT CHARACTERISTICS:
- Life expectancy > 12 months
- Absolute lymphocyte count > 500/μL
- No acute or active infection
- No other co-morbid illness that would impair ability to participate in the study
PRIOR CONCURRENT THERAPY:
- See Disease Characteristics
- At least 3 months since prior surgery with or without radiotherapy
- At least 3 months since prior chemotherapy (cohort 3)
- No concurrent radiotherapy, chemotherapy, or experimental therapy
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Cohorten en interventies
Groep / Cohort |
Interventie / Behandeling |
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Treatment w/Surgery
Breast Cancer survivors treated with surgery with or without radiation.
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blood samples will be analyzed for the expression of the p16 gene.
perform reverse transcriptase-polymerase chain reaction on all blood samples.
perform laboratory biomarker analysis on all blood samples
perform medical chart review for all subjects
each cohort will be given the same questionnaire
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Treatment w/endocrine therapy
Breast Cancer survivors treated with surgery with or without radiation plus endocrine therapy.
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blood samples will be analyzed for the expression of the p16 gene.
perform reverse transcriptase-polymerase chain reaction on all blood samples.
perform laboratory biomarker analysis on all blood samples
perform medical chart review for all subjects
each cohort will be given the same questionnaire
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Treatment w/ chemotherapy
Breast Cancer survivors treated with surgery with or without radiation and chemotherapy with or without endocrine therapy.
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blood samples will be analyzed for the expression of the p16 gene.
perform reverse transcriptase-polymerase chain reaction on all blood samples.
perform laboratory biomarker analysis on all blood samples
perform medical chart review for all subjects
each cohort will be given the same questionnaire
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
---|---|
p16INK4a expression between cohort 2 vs cohort 3
Tijdsspanne: 2 years
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2 years
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p16INK4a expression between cohort 1 vs cohort 2
Tijdsspanne: 2 years
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2 years
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p16INK4a expression between cohorts 1, 2, and 3 vs cohort 4
Tijdsspanne: 2 years
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2 years
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Medewerkers en onderzoekers
Medewerkers
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- LCCC 0924
- P30CA016086 (Subsidie/contract van de Amerikaanse NIH)
- CDR0000674103 (Andere identificatie: PDQ number)
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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