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Brief Title: Genetics of Women With Lobular Carcinoma in Situ of the Breast
Official Title: GLACIER: A Study to Investigate the Genetics of LobulAr Carcinoma In Situ in EuRope
Study ID: NCT00536718
Brief Summary: RATIONALE: Gathering information about genetic changes in patients with lobular carcinoma in situ of the breast may help doctors learn more about the disease and find better methods of treatment. PURPOSE: This clinical trial is studying the genetics of women with lobular carcinoma in situ of the breast.
Detailed Description: OBJECTIVES: Primary * Identify inherited variation that predisposes women to develop lobular carcinoma in situ (LCIS) of the breast. * Identify the frequency of these variants and determine the effect they have on tumor risk. * Determine how worthwhile it would be to test for these variants in the clinical setting so that those at higher risk could be identified, counseled, and screened. Secondary * Analysis of genetic changes within LCIS with the aim of identifying cases of LCIS which may progress to invasive cancer. OUTLINE: Patients and control participants undergo blood collection. DNA is extracted from blood samples and used to genotype at selected polymorphisms, compare allele frequencies (used to associate alleles with disease) using a genome-wide single nucleotide polymorphism (SNP) screen. Archival tumor samples (if available) from patients are used for DNA-, RNA-, or protein-based analyses. All participants complete a questionnaire about family history, a brief medical history, and provide epidemiological data to a genetic counselor. Participants identified to be at risk for known hereditary predisposition to cancer will be referred to a clinical genetics service. Individual results of this study are not disclosed to participants. Peer Reviewed and Funded or Endorsed by Cancer Research UK. PROJECTED ACCRUAL: A total of 2,000 participants (1,000 patients and 1,000 matched controls) will be accrued for this study.
Minimum Age:
Eligible Ages: CHILD, ADULT
Sex: FEMALE
Healthy Volunteers: Yes
Basildon University Hospital, Basildon, England, United Kingdom
Derbyshire Royal Infirmary, Derby, England, United Kingdom
Leeds General Infirmary, Leeds, England, United Kingdom
Guy's Hospital, London, England, United Kingdom
King's College Hospital, London, England, United Kingdom
London Research Institute, London, England, United Kingdom
Southend University Hospital NHS Foundation Trust, Westcliff-On-Sea, England, United Kingdom
Bronglais District General Hospital, Aberystwyth, Wales, United Kingdom
Saint Bartholomew's Hospital, London, , United Kingdom
Name: Elinor Sawyer, MD
Affiliation: London Research Institute
Role: STUDY_CHAIR
Name: Rebecca Roylance, MD
Affiliation: Barts and the London School of Medicine and Dentistry
Role: