Interaksi Emtrisitabin dan tenofovir dan Lopinavir dan ritonavir

Drug Interactions Concomitant Drug Class: Drug Name Effect on Concentration ↓=Decrease Clinical Comment ↑= Increase Antiretroviral Agents: Protease Inhibitors (PI) tipranavir/ritonavir ↓ TAF Coadministration with DESCOVY is not recommended. atazanavir/cobicistat ↑ TAF Coadministration with DESCOVY in pediatric patients weighing 14 to < 35 kg is not recommended…

Coadministration of DESCOVY with other drugs that inhibit P-gp and BCRP may increase the absorption and plasma concentration of TAF.

Lactic Acidosis/Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs, including emtricitabine, a component of DESCOVY, and tenofovir DF, another prodrug of tenofovir, alone or in combination with other antiretrovirals.

TAF is a weak inhibitor of CYP3A in vitro .

TAF is not an inhibitor or inducer of CYP3A in vivo .

Nucleoside Reverse Transcriptase Inhibitor: tenofovir disoproxil fumarate* ↑ tenofovir Patients receiving KALETRA and tenofovir should be monitored for adverse reactions associated with tenofovir.

Patients who exhibit these signs or symptoms should be evaluated and KALETRA and/or other antiretroviral therapy should be suspended as clinically appropriate.

Elevated transaminases with or without elevated bilirubin levels have been reported in HIV-1 mono-infected and uninfected patients as early as 7 days after the initiation of KALETRA in conjunction with other antiretroviral agents.

Antimycobacterial: rifampin ↓ lopinavir Contraindicated due to potential loss of virologic response and possible resistance to KALETRA or to the class of protease inhibitors or other co-administered antiretroviral agents [see Contraindications ( 4 )] .