No Interaction Expected
Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP)
Quality of Evidence:
Coadministration has not been studied but based on metabolism and clearance a clinically significant interaction is unlikely. Cyclophosphamide is activated (major pathway) to 4-hydroxycyclophosphamide by CYPs 2B6 (major), 2C9 and 3A4. Inactivation (minor, 10%) to the neurotoxic chloroacetaldehyde metabolite is performed mainly by CYP3A4.
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Emtricitabine/Tenofovir-DF (FTC/TDF, PrEP) by clicking