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There has been growing interest in the potential of the altered metabolic state typical of cancer cells as a drug target. The antidiabetes drug, metformin, is now under intense investigation as a safe method to modify cancer metabolism. Several studies have used window of opportunity in breast cancer patients before neoadjuvant chemotherapy to correlate gene expression analysis, metabolomics, immunohistochemical markers, and metabolic serum markers with those likely to benefit. We review the role metabolite measurement, functional imaging and gene sequencing analysis play in elucidating the effects of metabolically targeted drugs in cancer treatment and determining patient selection.

Original publication




Journal article


J Natl Cancer Inst Monogr

Publication Date





81 - 86


Biomarkers, Tumor, Breast Neoplasms, Chemotherapy, Adjuvant, Female, Humans, Hypoglycemic Agents, Metabolome, Metformin, Neoadjuvant Therapy, Transcriptome