Children who are lacking in insulin-like growth factor one, or IGF-1, can have short stature--making them smaller than 97.5% of normal children.

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Amgen has moved two other cancer drugs in final stage trials, including an antibody to insulin-like growth factor 1 that is being tested in pancreatic cancer.

FORBES: Amgen Exec: "Clearly Superior" Prostate Cancer Drug Will Be Huge