pharmacogenomic interaction
The relationship between genomic alterations and drug efficacy, toxicity, or metabolism that influences treatment response in cancer patients.
Full Definition
Pharmacogenomic interactions describe the complex relationships between patient genomic characteristics and drug response, encompassing both tumor-specific alterations that affect drug sensitivity and germline variants that influence drug metabolism, efficacy, or toxicity. In cancer genomics, these interactions are critical for optimal treatment selection as they can predict both tumor response to targeted therapies and patient susceptibility to adverse drug reactions. Understanding these interactions enables personalized dosing strategies, drug selection optimization, and identification of patients who may require alternative therapeutic approaches due to genetic factors affecting drug processing.
Usage
Usage note: Include both tumor-specific and germline genetic factors affecting drug response.
In Context
- "The pharmacogenomic interaction between DPYD variants and 5-fluorouracil metabolism required dose modification to prevent severe toxicity." — Clinical pharmacology consultation
- "Comprehensive pharmacogenomic interaction analysis guided both targeted therapy selection and supportive care medication dosing." — Precision medicine report