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Nature Biotechnology 26, 719–720 (1 July 2008) | doi:10.1038/nbt0708-719

Commercial interest waxes for IGF-1 blockers

Randy Osborne

Years of dashed expectations over insulin-like growth factor-1 (IGF-1) blockers have seemingly ended, as a rash of candidates jostles its way into clinical trials. In April, Pfizer's inhibitor of the IGF-1 receptor (IGF-1R) for non–small-cell lung cancer became the first in its class to reach phase 3 trials.