Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP)
Quality of Evidence:
Coadministration has not been studied. As gentamicin is eliminated unchanged predominantly via renal glomerular filtration, there is little potential for a pharmacokinetic interaction with emtricitabine and tenofovir due to competition for active renal transport mechanisms. However, both gentamicin and tenofovir-DF are potentially nephrotoxic and emtricitabine/tenofovir-DF should be avoided with concurrent or recent use of a nephrotoxic agent. If concomitant use of emtricitabine/tenofovir-DF and nephrotoxic agents is unavoidable, renal function should be closely monitored.
Use of emtricitabine/tenofovir-DF should be avoided with concurrent or recent use of a nephrotoxic medicinal product like aminoglycosides.
Truvada Summary of Product Characteristics Gilead Sciences Ltd, June 2018.
Coadministration of Truvada with drugs that are eliminated by active tubular secretion may increase concentrations of FTC, tenofovir, and/or the coadministered drug. Some examples include, but are not limited to, aminoglycosides.
Truvada US Prescribing Information, Gilead Sciences Inc, May 2018.
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