Methods and Materials for Identifying the Origin of a Carcinoma of Unknown Primary Origin
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United States of America Patent
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Issued Date -
Jan 28, 2010
app pub date -
Feb 1, 2008
filing date -
Feb 1, 2007
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Abandoned
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Abstract
The present invention provides a method of identifying origin of a metastasis of unknown origin by obtaining a sample containing metastatic cells; measuring Biomarkers associated with at least two different carcinomas; combining the data from the Biomarkers into a linear discrimination analysis where the linear discrimination analysis normalizes the Biomarkers against a reference; and imposes a cut-off which optimizes sensitivity and specificity of each Biomarker, weights the prevalence of the carcinomas and selects a tissue of origin determining origin based on highest probability determined by the linear discrimination analysis or determining that the carcinoma is not derived from a particular set of carcinomas; and optionally measuring Biomarkers specific for one or more additional different carcinoma, and repeating the steps for additional Biomarkers.
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