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Integrase Inhibitors

*generic version available

E experimental


DRUG Isentress
GENERIC NAME raltegravir
PHARMACEUTICAL COMPANY Merck & Company
DRUG Tivicay
GENERIC NAME dolutegravir
PHARMACEUTICAL COMPANY ViiV Healthcare
DRUG Vitekta
GENERIC NAME elvitegravir
PHARMACEUTICAL COMPANY Gilead Sciences

What are Integrase Inhibitors?

In order for HIV to successfully take over a CD4 cell's machinery so that it can produce new viruses, HIV's RNA is converted into DNA by the reverse transcriptase enzyme (nucleotide/nucleoside reverse transcriptase inhibitors can block this process). After the "reverse transcription" of RNA into DNA is complete, HIV's DNA must then be incorporated into the CD4 cell's DNA. This is known as integration. As their name implies, integrase inhibitors work by blocking this process.

Integrase inhibitors may offer a lot of hope for HIV-positive people, especially those who have developed HIV resistance to drugs that target HIV's two other major enzymes: reverse transcriptase and protease.

Last Revised: January 13, 2016


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