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Fusion Inhibitors (FIs)

One of the newer types of anti-HIV drugs is the FI. FIs work differently than other anti-HIV medicines. The first FI was approved by the FDA in 2003. Although there is only one FI currently available to treat HIV, there are several other FIs under development.

How FIs work

Unlike all other types of anti-HIV medications, FIs work by attacking the virus in your body. It works by blocking the HIV virus from getting inside your CD4 cell.

FDA-approved FIs

Brand name

Generic name

Pharmaceutical company

Fuzeon®*

enfuvirtide (T-20)

Trimeris and Hoffmann-La Roche

*The brand listed above is a trademark of its respective owner and is not a trademark of The GlaxoSmithKline Group of Companies. The maker of this brand is not affiliated with and does not endorse GlaxoSmithKline or its products.

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