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Is Stribild used for PrEP?

Medically reviewed by Leigh Ann Anderson, PharmD. Last updated on Oct 23, 2024.

Official Answer by Drugs.com

No, Stribild is not approved for pre-exposure prophylaxis (PrEP). Stribild is used to treat (not prevent) HIV infection.

It is not known if Stribild is safe and effective in children under 12 years of age or who weigh under 77 lbs (35 kgs).

Take Stribild exactly as your doctor prescribes it.

What can I use for PrEP?

There are two oral medicines and one long-acting injection that the FDA approved to be used for PrEP.

Two oral antiviral medications, Truvada and Descovy, are approved to be used for PrEP in the U.S. PrEP is a highly effective, once-a-day pill regimen used to prevent HIV infection. PrEP reduces your chances of getting HIV from sex by 99%, when used as directed.

Stribild also contains both emtricitabine and tenofovir, similar to Truvada and Descovy, but not enough studies have been done to show it is effective for PrEP.

In Dec. 2021, the FDA approved a new long-acting intramuscular injection for PrEP called Apretude (cabotegravir).

Learn more: HIV Treatment Options: An Overview

This is not all the information you need to know about Stribild (elvitegravir, cobicistat, emtricitabine, and tenofovir disoproxil fumarate) for safe and effective use and does not take the place of talking to your doctor about your treatment. Review the full product information here, and discuss this information and any questions you have with your doctor or other health care provider.

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Can Stribild be crushed?

Yes, Stribild tablets can be crushed or cut to ease administration to people who have difficulty swallowing the tablets. The effects of crushing Stribild and then combining the crushed tablet with liquid nutrition were investigated in 24 volunteers. There was no difference in most pharmacokinetic parameters, such as area under the curve between the people receiving crushed Stribild and those receiving a whole tablet with breakfast. A difference in the maximum concentration of Stribild was noted between the two groups, but this was considered not clinically relevant. People with swallowing difficulties or needing liquid feeding can safely use crushed and suspended Stribild tablets. Continue reading

How long does it take for Stribild to work?

Stribild works quickly to drop levels of HIV-1 in the blood; however, it may take several months for viral loads to become undetectable (defined in clinical studies using Stribild as an HIV-1 RNA of <50 copies/mL). Most Stribild studies were a minimum of 48 weeks duration and these showed that 94% of people with HIV-1 taking Stribild achieved undetectable viral loads. Continue reading

Can Descovy be used for pre-exposure prophylaxis (PrEP) in HIV?

Yes. The FDA approved Descovy (emtricitabine and tenofovir alafenamide) for pre-exposure prophylaxis (PrEP) in October 2019 to help reduce the risk of HIV-1 infection. Continue reading

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