Scientists said the study provides many points of "strong indications" show that the PRO 2000 gel may protect users from infection. However, these results are not completely sure.
The test compared the two types of gel in preventing HIV through sexual transmission from men to women in regard to the merits, before that, Carraguard gel test fails, the result was published last year.
That test led critics to speculate the road in front of the prevention of AIDS vaccines are, or are gel with anti-retroviral drugs combinations.
In this latest experiment, the South African Medical Research Council in February 2005 to September 2008 in Malawi, South Africa, Zambia, Zimbabwe and the United States, seven sites have recruited more than 3000 women.
The study compared the BufferGel, PRO 2000, a placebo gel and do not use any gel.
4 In this group, the lowest AIDS infection is the use of PRO 2000 gel group, it shows a 30% protective effect. This did not meet was considered statistically significant 33% target.
These are all means of intervention can not prevent other sexually transmitted diseases or pregnancy.
"PRO 2000 is the result of 10 years after the study is the first time prompted microbicide products are used in AIDS prevention is feasible," the South African Medical Research Council, director of AIDS prevention department, the head of the experimental study of Gita Ramjee said.
"This is the first time in a hope that one day we will have a female-led AIDS prevention choices. This is microbicides and prevention of ... ... as well as the independence and autonomy of women are enormous step."
"We have no proof has been a microbicide," KwaZulu - Natal University, Professor Salim Karim said. Karim in Montreal, Canada at the 16th Retrovirus and Opportunistic Infections meeting announced the findings of the study.
"We have are the things looked hopeful."
Now scientists are waiting by the British Medical Research Council to conduct a more large-scale study of PRO 2000, its results will be announced in December 2009.
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