Earlier HIV Treatment Could Save SA Money

hiv/aids treatment ARV ARV supply
Tuesday, 3 December, 2013 - 10:09

Starting HIV patients on ARVs earlier may save South Africa money in the short-term, but doctors’ caution against such a move as it may be a risk to patients

Starting HIV patients on antiretrovirals (ARV) earlier may save South Africa money in the short-term, but doctors caution that such a move may risk patients.
 
In 2011, the nine-country HPTN 052 study found that starting HIV-positive people on ARVs earlier and at higher CD4 counts of between 350 and 550 reduced their risks of transmitting the virus by about 96 percent. It also bolstered a growing body of observational data that earlier treatment benefited HIV patients too, by keeping them healthier longer.
 
Based on a part of the study, the World Health Organisation (WHO) issued 2013 guidelines recommending that countries start HIV patients on ARVs at a CD4 count of 500 or below instead of 350 or less.
 
South Africa’s government has yet to move to earlier treatment, and cost is one of many concerns.
 
Now Harvard University researchers in the United States have released research showing that such a move may actually save South Africa money.
 
Using data collected in the HPTN 052 study, Harvard University Medical School professor, Rochelle Walensky, and a team of researchers projected the costs of earlier treatment in South Africa.
 
Published in The New England Journal of Medicine, Walensky’s study found that earlier treatment in South Africa would actually save the country money primarily by preventing illnesses like tuberculosis in people living with HIV. She adds that the projected decrease in new HIV infections also contributed to the move’s cost effectiveness.

“The prevention benefit of early ARV therapy cannot be overlooked and contributes also to improved life expectancy to (HIV-negative) partners and decreased costs over time,” she explains.

But in the long run, early treatment is likely to cost the country about as much as treatment under the country’s current guidelines, because “patients will live much longer and take these effective medications for many years.”

In the past, these kinds of costing projections have played an important part in prompting the South African government to adopt international recommendations.

“While WHO has provided recommendations, most countries - including South Africa - have not yet begun to implement the guidelines, often citing cost and cost-effectiveness concerns,” … “We have now demonstrated that these concerns are most likely unfounded,” she says.

But the move to earlier treatment is not just about the money, cautions South African doctors.

In response to WHO’s new guidelines, the Southern African HIV Clinicians Society acknowledged that there are scientifically proven benefits of early ARV treatment for pregnant mothers and those in relationships with HIV-negative people.

However, the body says that data regarding the potential benefit of earlier treatment for others living with HIV was still relatively weak.

In the meantime, moving to earlier treatment in South Africa might risk putting patients at an unnecessary increased risk of developing drug resistance and increased side effects as consequences of spending longer on treatment in their lifetimes.

This is especially true given the frequency of drug stock outs, according to deputy executive director of the Wits Reproductive Health and HIV Centre, Francois Venter.

“We have mass stock outs across the country - (fixing this) should be the priority, not expanding access further when we cannot cope with existing demand.” “We should focus on getting our drug supply systems working well, before expanding access.”

Venter adds that currently modelling regarding the cost effectiveness of early ARV initiation in South Africa has largely not factored in the risk of such treatment interruptions.

- Laura Lopez Gonzalez is a Pretoria-based freelance journalist. This article first appeared on the Health-e News Service.

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