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Press Release

Activists Caution HIV-Positive Patients and Their Physicians About Monotherapy in Upcoming Access Program

February 9, 2012

New York -- AIDS activists and physician advocates welcome the news that ViiV Healthcare will be providing expanded access of dolutegravir (DTG), a new investigational integrase inhibitor for HIV patients with few remaining HIV treatment options. However, they warn patients and physicians to avoid functional monotherapy, or the introduction of dolutegravir as an "add-on" to a failing treatment regimen if the patient's virus is resistant to all other currently available antiretroviral drugs (ARVs). Functional monotherapy has been shown to permit rapid HIV resistance to new medications, which can result in more rapid disease progression, health deterioration, and death.

Currently, the U.S. Department of Health and Human Services (DHHS) adult HIV treatment guidelines recommend three ARVs be given in combination to suppress HIV. But many patients have HIV that has mutated rendering their virus multi-drug resistant (MDR-HIV). Those with MDR-HIV cannot construct a viable HIV suppressive regimen with current FDA-approved and commercially available ARVs.

"The DHHS guidelines specify that patients that have developed HIV drug resistance to all commercially available antiretrovirals require access to at least two new active drugs to maximize their chances for treatment response However, another new drug to combine with dolutegravir will not be commercially available for at least two years, and some patients cannot wait that long", said Nelson Vergel, an activist founder of "For them, access to another research drug in combination with DTG is the only hope for survival," added Vergel.

In studies to date, dolutegravir (DTG) appears to be the most potent integrase inhibitor soon to enter the HIV ARV market. Unlike Gilead's upcoming elvitegravir, DTG has been shown to be effective against HIV that has developed resistance to Merck's Isentress (raltegravir), the only FDA-approved integrase inhibitor currently on the market.

Fortunately, another new ARV that can help patients with MDR-HIV is in active development and clinical trials. Ibalizumab, a monoclonal antibody from a small biotech firm, Taimed Biologics, may soon be available via patient participation in research studies. While ibalizumab has yet to enter phase three studies, it can also be provided to patients at risk of death via a named (or single) patient access application permitted by the FDA via a physician's direct request to Taimed. However, it is up to the company to approve such requests for compassionate access.

There are no documented estimates of how many people have MDR-HIV in the United States who have uncontrolled HIV virus. A report in the Journal of Clinical Infectious Diseases estimates that about 260,000 patients are being treated with HIV in the United States. However, it is virtually impossible to know how many of them have run out of treatment options since no registry for those patients exists. But most experts agree that this population is probably small.

"With little immune function left and resistance to all approved HIV medications, I have tried desperately to get access to two new drugs to help save my life," said Christopher Cacioppo, a patient with MDR-HIV in San Diego who believes he is running out of time. "But my doctor tells me that I have little choice but to wait for the dolutegravir expanded access program and some as yet unknown and unavailable second new drug."

A coalition of activists and physicians have been in coversations with Taimed and ViiV for two years to obtain compassionate access to their two active ARVs in combination for those with MDR-HIV in greatest need of new treatment options. The AIDS Community Research Initiative of America (ACRIA), a New York City-based community research and education organization, and physicians in San Francisco have proposed solutions to overcome this "two-drug access barrier" in an effort to secure urgent access to patients across the country.

Any physician who may have a patient with MDR-HIV who is in dire need of two new unapproved ARVs may use this form.

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This article was provided by AIDS Community Research Initiative of America. Visit ACRIA's website to find out more about their activities, publications and services.
See Also
More on HIV Medications
Other Integrase Inhibitors

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