According to Chinese medical documents posted online this month, a team at the Southern University of Science and Technology, in Shenzhen, has been recruiting couples in an effort to create the first gene-edited babies.
The clinical trial documents describe a study in which CRISPR is employed to modify human embryos before they are transferred into women’s uteruses.
The scientist behind the effort, He Jiankui, did not reply to a list of questions about whether the undertaking had produced a live birth. Reached by telephone, he declined to comment.
However, data submitted as part of the trial listing shows that genetic tests have been carried out on fetuses as late as 24 weeks, or six months. It’s not known if those pregnancies were terminated, carried to term, or are ongoing.
[After this story was published, the Associated Press reported that according to He, one couple in the trial gave birth to twin girls this month, though the agency wasn’t able to confirm his claim independently. He also released a promotional video about his project.]
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