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Updated: Aug 14, 2026

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Published on: March 10, 2015
The role of pharmacomicrobiomics in colorectal cancer therapy
Xiaoxi Feng1, Marie Pora1, Matthias Ebert2
1Department of Medicine II, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany; Molecular Medicine Partnership Unit, European Molecular Biology Laboratory, Heidelberg, Germany.
Abstract:
Interindividual variability in response to cancer therapy is a major challenge in the management of colorectal cancer (CRC). The gut microbiome contributes to differential therapeutic efficacy and toxicity by modifying the pharmacokinetics and pharmacodynamics of anticancer drugs. Furthermore, bacterial products interact with tumor and immune cells, altering therapeutic outcomes. This review focuses on the impact of pharmacomicrobiomics on CRC therapy. We describe how gut microbiota affects drug metabolism on a mechanistic level and outline the interactions of specific microbes and their products with chemo-, targeted, and immunotherapies employed in CRC. Finally, we provide an overview of current strategies, including probiotics, engineered bacteria, and fecal microbiota transplantation, that exploit the gut microbiome to improve therapeutic efficacy and reduce toxicity.
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