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Brief Title: Breast Cancer Risk Assessment Using Optical Breast Spectroscopy (OBS)
Official Title: Breast Cancer Risk Assessment Using Optical Breast Spectroscopy (OBS)
Study ID: NCT00500383
Brief Summary: This study aims to evaluate if a light based technique, called Optical Breast Spectroscopy (OBS) formerly known as Transillumination Breast Spectroscopy (TiBS), can be used to detect differences in breast tissue between high- and low-risk populations and within the high-risk population between BrCa1 or 2 carriers and non-carriers. These differences may include differences in breast tissue composition and metabolism at time of enrollment into the study (possibly reflecting changes occurring in adolescence) and in the rate of breast tissue change over time (possibly reflecting rate of tissue transformation from normal to ultimately malignant state).
Detailed Description: Preliminary data show Optical Breast Spectroscopy (OBS)has the ability to detect tissue differences with various pathologies and age-related changes in breast tissue over a two year period. In the present study, we want to determine whether OBS has the ability to detect optical differences between women who harbor a mutation in the breast cancer susceptibility gene, BrCa1 or BrCa2, and their age-matched controls (non-carriers). More specifically, possible differences in the breast tissue at time of enrollment into the study (reflecting changes potentially occurring in adolescence) and in the rate of breast tissue change over time (reflecting rate of tissue transformation from normal to ultimately malignant state). The overall goal is to develop a pre-screening technique to survey or monitor the risk of breast tissue and to advise the earliest point when imaging techniques (e.g. MRI) should be initiated or when more drastic primary prevention measures are recommended.
Minimum Age: 25 Years
Eligible Ages: ADULT
Sex: FEMALE
Healthy Volunteers: Yes
Juravinski Cancer Center, Hamilton Health Sciences, Hamilton, Ontario, Canada
Mount Sinai Hospital, Toronto, Ontario, Canada
Women's College Hospital, Toronto, Ontario, Canada
Princess Margaret Hospital, Toronto, Ontario, Canada
Name: Lothar Lilge, PhD
Affiliation: Ontario Cancer Institute, University Health Network, Toronto, Ontario, Canada M5G 2M9; Department of Biophysics and Bioimaging, University of Toronto, Toronto, Ontario, Canada M5G 2M9
Role: PRINCIPAL_INVESTIGATOR