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AIDS InfoNet

Fosamprenavir (Telzir, Lexiva)

... What Is Fosamprenavir? Who Should Take It? What About Drug Resistance? How Is It Taken? What Are the Side Effects? How Does It React With Other Drugs? What Is Fosamprenavir? Fosamprenavir is a drug used for antiretroviral therapy... (ART). It is also called Lexiva TM . In some countries, it is called Telzir. It is manufactured by ViiV Healthcare. Fosamprenavir is a pro-drug. The drug you swallow is not active against HIV....
Ask the Experts

Tenefovir, Emtriva and Fosamprenavir for wild type virus

...Would Teneforvir, Emtriva and Fosamprenavir(not boosted with Retonavir) be a potent combo for myself who is found to carry wild type virus? The present regimen includes
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
...the combination of tenofovir (Viread), FTC (Emtriva; also available in combination with tenofovir as Truvada) with unboosted fosamprenavir (Lexiva, Telzir) should be quite well tolerated.A stable switch from tenofovir, FTC and Kaletra should be... Read more »

Inicio de tratamiento truvada+fosamprenavir+ritonavir

...por el tiempo que se toma en contestar las preguntas, tengo una duda espero me pueda ayudar. Inicie mi tratamiento con truvada+fosamprenavir+ritonavir. Apenas inicie a tomarlo, y por lo que veo me va muy bien hasta ahora, no he tenido ningun...
Steven M. Natterstad, M.D.

Response from Steven M. Natterstad, M.D.

Frascino Medical Group
...controlar la funcin de los riones y del hgado va pruebas de sangre a intervalos regularles (cada tres o cuatro meses). En cuanto al fosamprenavir (Lexiva) potenciado con el ritonavir (Norvir), debes controlar el azcar y los niveles de lpidos... Read more »

fosamprenavir and tenofovir interaction

...Is there any drug-drug interactions that you know of between the new PI- fosamprenavir and tenofovir?
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
...Thanks for your question.We have very good data about the one-way interaction-- there's no significant change in fosamprenavir's levels when dosed with tenofovir. This is different that the situation for another new PI, atazanavir. When... Read more »


...Hi Dr. Young,Not too long ago, i read fosamprenavir had gone through clinical trials, successfully. It appears to have great efficacy, little side effects (especially for a PI)
Benjamin Young, M.D., Ph.D.

Response from Benjamin Young, M.D., Ph.D.

Rocky Mountain CARES
...Fosamprenavir (or 908) is a new HIV protease inhibitor (the follow up to the potent, but unwieldly amprenavir (Agenerase). The maker of fosamprenavir, Read more »

An Overview of Lexiva (Fosamprenavir, Telzir)

... FOS-am-pren-a-veer Brand Name: Lexiva Other Name(s): Fosamprenavir calcium, GW 433908, GW433908, Telzir, VX 175, f-APV Drug Class: Protease Inhibitors Fosamprenavir, also known as Lexiva,...inhibitor (PI). PIs work by... Read more »
InfoRed SIDA

Fosamprenavir (Telzir, Lexiva)

... ¿Qué Es Fosamprenavir? ¿Quién Debe Tomar Fosamprenavir? ¿Qué Es la Resistencia a los Medicamentos? ¿Cómo Se Toma? ¿Cuáles Son los Efectos... Secundarios? ¿Cómo Reacciona con Otros Medicamentos? ¿Qué es... Read more »
The Body PRO

Fosamprenavir Update

...In the past year, 2 new protease inhibitors (PIs), atazanavir (ATV, Reyataz) and fosamprenavir (908, Lexiva, Telzir), have dramatically increased practical treatment options for persons with HIV infection. Fosamprenavir... was approved by the... Read more »
Connect With Others

Thanks for your support and any more advice?

Posted by motherinlaw, 3 Replies
I want to thank everyone for their support and help. I posted this in response to my own previous posting and felt it might have gotten lost in the shuffle and so am reposting. I have just spoken to my son again. He was finally able to convince... Read more »

What should I think?

Posted by motherinlaw, 9 Replies
I will try not to make this too son called yesterday and told me his wife was not doing well. My HIV negative son and three HIV negative grandchildren may soon lose their HIV positive wife and mother. My son and daughter-in-law seem not to... Read more »

Abbott pharmaceuticals price gouging protease inh

Posted by BabyPeanut widely being used as a pharmacokinetic "booster" for other protease inhibitors, including recently approved drugs such as fosamprenavir (Lexiva) and atazanavir (Reyataz). Boosting protease inhibitors makes them more potent, a particular... Read more »


Posted by Anonymous, 1 Reply
...(Crixivan) * Amprenivir (Agenerase) * Nelfinavir (Viracept) * Lopinavir (Kaletra) * Atazanavir (Reyataz) * Fosamprenavir (Lexiva) FDA also has introduced a third new class of drugs, known at fusion inhibitors, to treat HIV... Read more »