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Nature Biotechnology 26, 598–599 (1 June 2008) | doi:10.1038/nbt0608-598

FDA scrutinizes human stem cell therapies

Jeffrey L Fox

With several companies and dozens of academic researchers pushing to turn stem cells into therapeutics, officials at the US Food and Drug Administration (FDA) are striving to stay a step ahead. Yet judging from an advisory meeting held in April, anticipating the regulatory challenges associated with cell therapies will entail a delicate balancing act.