Gut Microbiota, PGx and INSTIs Response

Summary

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Description

The main objective of our research project is to better define the inter-individual variability in terms of clinical and biological response towards Integrase Strand Transfer Inhibitors, an important ARV drug class used in the treatment of HIV infection. We aim at identifying predictors of drug effi...

The main objective of our research project is to better define the inter-individual variability in terms of clinical and biological response towards Integrase Strand Transfer Inhibitors, an important ARV drug class used in the treatment of HIV infection. We aim at identifying predictors of drug efficacy and toxicity, which are eagerly awaited by clinicians as INSTIs are now prescribed worldwide and concerns about previously unidentified side effects are emerging. The specific objectives of the project are: To study the impact of genetic polymorphisms in selected pharmacogenes (including genes coding for biotransformation enzymes and transport proteins) on INSTIs PK parameters and biomarkers relevant for TDM, such as trough (C0) and intracellular (IC) concentrations. To determine whether genetic polymorphisms in selected pharmacogenes might affect INSTIs efficacy, as assessed by the measurement of the viral load. To address the important question of the pathophysiological mechanisms lying behind the two main side effects of INSTIs, namely neuropsychiatric adverse events and abnormal weight gain. To describe how INSTIs affect the gut microbiome of treated patients, and to determine in turn how and by which pathways the gut microbiome might influence the clinical response (i.e. efficacy and toxicity) to INSTIs.

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