In September the AIDS community took a devastating blow when Merck halted an international human trial of the world's most promising potential vaccine against HIV.

今年9月，艾滋病研究因默克公司终止了世界上最有希望抵御艾滋病的疫苗的国际人体试验而遭受重大挫折。

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Even if the study provided positive results on all fronts, a human trial would carry risks.

即使这项研究在各方面的结果都是积极的，在人身上试验仍然可能有风险。

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Belgian researchers have tested the drug on roundworms, and have had positive results so the next step is to do a human trial.

比利时研究者已将该药物在蛔虫身上进行了试验，取得了积极的效果，下一步就是人体试验。

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The first human trial is slated for early next year, in patients with so-called complete injuries.

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The late-stage human trial showed a median survival increase of 2.7 months compared with patients who received chemotherapy alone.

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He sent it back to the lab for stringent testing on monkeys that would duplicate the human trial conditions.

FORBES: Brain Repair