Spots Global Cancer Trial Database for Breast Study to Determine the Ability of Non-Invasive Optical Transillumination Spectroscopy to Predict Breast Density.
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Trial Identification
Brief Title: Breast Study to Determine the Ability of Non-Invasive Optical Transillumination Spectroscopy to Predict Breast Density.
Official Title: Optical Transillumination Spectroscopy of Breast Tissue in Pre- and Post-Menopausal Women.
Study ID: NCT00188682
Conditions
Interventions
Study Description
Brief Summary: The purpose of this study is to learn more about the application of transillumination measurements in the determination of breast cancer risk. The goal is to demonstrate a correlation between non-invasive optical transillumination spectroscopy and parenchymal density pattern.
Detailed Description: X-ray generated images, such as mammograms, rely on the density of tissue within the breast. Tissue density are believed to be associated with proliferation of stroma and/or epithelium, which result in an increase in water associated light absorption and a decrease in lipid associated light absorption. The amount of density of the breast tissue has been shown to be an indicator of cancer risk. Thus, assessing this breast tissue density is also an important tool in determining breast cancer risk. Optical transillumination has been shown to give information about tissue composition and tissue density. Unlike x-ray mammography which uses ionizing radiation, optical transillumination uses normal white light and is deemed safe to be used frequently for women of all ages and therefore can be used for those situations where mammography is not an option. Normal white light is shone into the tissue and the light that leaves the breast on the other side from the source is detected and analyzed. Since the same physiological conditions that contribute to dense breast tissue, as seen in mammography, also will have unique optical signatures. We will compare the amount of this dense tissue from the mammogram, taken with 12 months, to the density measurements found through the optical procedure. The goal is to be able to duplicate the information from the mammogram using the transillumination technique. All measurements are non-invasive and no blood samples or biopsies are required.
Eligibility
Minimum Age: 35 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: FEMALE
Healthy Volunteers: Yes
Locations
Ontario Cancer Institute, Princess Margaret Hospital, Toronto, Ontario, Canada
Contact Details
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
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