Can F/TAF be used as PrEP prophylaxis? Safety of use and scope of application

F/TAF is a new type of compound antiviral drug. Its main ingredients are tenofovir disoproxil fumarate (TAF) and entecavir fumarate (F). It is a nucleotide reverse transcriptase inhibitor (NRTI). Its main mechanism of action is to inhibit HIV virus replication, thereby preventing infection and controlling viral load. Because drugs can quickly form active substances in the body and maintain blood concentrations for a long time, they have certain potential for use in PrEP (pre-exposure prophylaxis).

Clinical studies have shown that Dakohui has a good effect in PrEP and can significantly reduce the chance of high-risk people being infected with HIV. It is generally taken once a day to maintain the inhibitory effect on the virus through stable blood concentration. For people who are not infected with HIV but are at high risk of exposure, such as men who have sex with men (MSM), high-risk sexual partners, or injecting drug users, the use of Dacovail for prevention is safe and feasible.

In terms of safety, Dakohui is generally well tolerated, but it is still necessary to pay attention to the monitoring of kidney function and bone density. Compared with traditional tenofovir bisphosphonate (TDF), TAF has less negative impact on the kidneys and bones, but long-term use still requires regular review of renal function indicators and serum creatinine. At the same time, attention should be paid to drug interactions and avoid combination with certain nephrotoxic drugs or drugs that affect drug metabolism.

In terms of scope of application, Dakohui is mainly suitable for pre-exposure prophylaxis of HIV high-risk groups, and can be used to optimize treatment plans for HIV infected people under certain circumstances. However, patients who are already infected with HIV or have severe liver and kidney damage should be used with caution under the guidance of a doctor. In general, as a PrEP drug, Dakohui has both high-efficiency preventive effect and good safety, and is a HIV protection option worth considering.

Reference materials:https://www.drugs.com/