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Identification of Genes Associated With Cancer in Patients and Siblings Who Have Cancer
This study has been completed.
Study NCT00003329   Information provided by National Cancer Institute (NCI)
First Received: November 1, 1999   Last Updated: February 6, 2009   History of Changes

November 1, 1999
February 6, 2009
January 1998
December 2007   (final data collection date for primary outcome measure)
 
 
Complete list of historical versions of study NCT00003329 on ClinicalTrials.gov Archive Site
 
 
 
Identification of Genes Associated With Cancer in Patients and Siblings Who Have Cancer
ECOG Laboratory Study: Mapping Interactive Cancer Susceptibility Loci

RATIONALE: Identification of genes that may be associated with developing certain types of cancer may someday provide important information about a person's risk of getting cancer.

PURPOSE: This clinical trial is studying to see if certain genes may be associated with cancer in patients with cancer of the breast, prostate, lung, or colon and siblings of these patients.

OBJECTIVES:

  • Gather allele-sharing statistics at approximately 100 candidate loci throughout the human genome most likely to influence genetic risk of cancer.
  • Use these allele-sharing statistics to test the interaction of each locus individually with cancer-associated, rare alleles of HRAS1.
  • Generalize this approach for one of four cancers (breast, colon, lung, or prostate), using allele-sharing statistics to test the interaction of each locus with every other locus.
  • Replicate positive results in a distinct set of sibling pairs with cancer.
  • Examine, when loci contributing to risk are detected, the influence of this genetic background on clinical outcomes, such as survival.

OUTLINE: Each patient-sibling pair completes a family history questionnaire about the incidence of cancer in the family. Blood samples are obtained from both the patient and the sibling (and both living parents, if available).

The blood samples are genotyped using approximately 300 micro-satellite markers flanking 100 candidate genes previously implicated in genetic risk for cancer. Certain loci are a priority due to their association with HRAS1: BRCA1 and all known mismatch repair loci; other repair genes, such as ATM; the Bloom's syndrome locus; and the XRCC group. Other genes are also mapped.

Patients do not receive the results of the genetic testing and the results do not influence the type and duration of treatment.

Patients only are followed annually.

PROJECTED ACCRUAL: This study will accrue 1,000 patient-sibling pairs for breast cancer. After 18 months, another 1,000 patient-sibling pairs will be accrued for breast cancer. Therefore, up to 2,000 patient-sibling pairs will be accrued over 5 years. (Feasibility of accruing pairs for lung, colon, and prostate cancer is being assessed.)

 
Observational
 
  • Breast Cancer
  • Colorectal Cancer
  • Lung Cancer
  • Prostate Cancer
Genetic: gene mapping
 
Larson GP, Ding Y, Cheng LS, Lundberg C, Gagalang V, Rivas G, Geller L, Weitzel J, MacDonald D, Archambeau J, Slater J, Neuberg D, Daly MB, Angel I, Benson AB 3rd, Smith K, Kirkwood JM, O'Dwyer PJ, Raskay B, Sutphen R, Drew R, Stewart JA, Werndli J, Johnson D, Ruckdeschel JC, Elston RC, Krontiris TG. Genetic linkage of prostate cancer risk to the chromosome 3 region bearing FHIT. Cancer Res. 2005 Feb 1;65(3):805-14.

*   Includes publications given by the data provider as well as publications identified by National Clinical Trials Identifier (NCT ID) in Medline.
 
Completed
4000
 
December 2007   (final data collection date for primary outcome measure)

DISEASE CHARACTERISTICS:

  • Histologically confirmed colon, lung, prostate, or invasive breast cancer

    • No ductal or lobular carcinoma in situ of the breast only
  • Patient and natural full sibling must have (or have had) cancer of the same type
  • Participants in E-3Y92 not eligible
  • Hormone receptor status:

    • Not specified

PATIENT CHARACTERISTICS:

Age:

  • Not specified

Menopausal status:

  • Not specified

Performance status:

  • Not specified

Life expectancy:

  • Not specified

Hematopoietic:

  • Not specified

Hepatic:

  • Not specified

Renal:

  • Not specified

PRIOR CONCURRENT THERAPY:

Biologic therapy

  • Not specified

Chemotherapy

  • Not specified

Endocrine therapy

  • Not specified

Radiotherapy

  • Not specified

Surgery

  • Not specified
Both
 
No
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00003329
 
CDR0000066283, ECOG-1Y97
Eastern Cooperative Oncology Group
National Cancer Institute (NCI)
 
National Cancer Institute (NCI)
March 2008

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP