HIV drug's power in the limelight

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HIV drug's power in the limelight

Sunday Times, South Africa - August 20, 2000
Laurice Taitz


FINAL data from clinical trials in South Africa on the effectiveness of the drug Nevirapine (Viramune) in reducing the transmission of HIV from mothers to their babies will be presented to the Minister of Health, Dr Manto Tshabalala-Msimang, for the first time this weekend.

The use of the drug to prevent maternal transmission is one of several issues being discussed at a two-day meeting in Benoni between researchers and top officials including the health ministers of all nine provinces. The meeting ends today.

The data presented by the researchers is expected to break a policy deadlock reached two years ago when the then Minister of Health, Dr Nkosazana Zuma, announced her department's controversial decision not to implement a programme to prevent mothers passing on HIV to their babies with the more costly drug AZT - which can cut the transmission rate by half.

Speaking before the meeting, one of the researchers, Dr Glenda Gray from Chris Hani Baragwanath Hospital, said: "Our recommendations for future policy say that the use of Nevirapine at a cost of about R21 for treatment is safe, effective and easy to implement.

"Basically, it works, and we should be using it."

In his closing speech at the XIII International AIDS Conference in Durban in July, former President Nelson Mandela urged the government to implement such a programme.

The drug Nevirapine was thrust into the spotlight last year after research in Uganda showed it was cheaper and more effective than AZT in reducing the transmission of HIV from mother to child.

Clinical trials, called the Saint Trials, were conducted among 1 300 women at 11 South African research sites to test the drug's effectiveness in a local setting. Preliminary findings were presented to the Department of Health shortly before the Durban conference.

The researchers found the drug could save 20 000 babies out of the 60 000 infected with HIV each year.

Health officials at the AIDS conference raised concerns over reports that some pregnant women had developed a resistance to the drug. But Gray said on Friday: "While a percentage of women experienced resistance to the drug after six weeks, this disappeared a few months later. From this we have concluded that the issue of resistance is irrelevant to a woman's future pregnancy and to her future treatment options. . ."

Nevirapine was registered in South Africa as a treatment for adult HIV infections last year.

Boehringer Ingelheim, the drug's manufacturer, applied to the Medicines Control Council in March to register the drug for use in the prevention of mother-to-child transmissions. Council head Dr Helen Rees met researchers on Friday to discuss the drug's registration.


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