[Amgen first quarter revenue $6.11 billion analyst forecast $6.14 billion] April 28, the biological giant Amgen first-quarter revenue of $6.11 billion, analysts expected $6.14 billion; first quarter adjusted operating profit of $2.8 billion, analysts expect $2.84 billion; first quarter adjusted earnings per share of $3.98, analysts expect $3.84 Full-year revenue is expected to be $26.2 billion-$27.3 billion, compared with the company's original forecast of $26 billion-$27.2 billion; adjusted earnings per share are expected to be $17.60-$18.70, compared with previous estimates of $17.40-$18.60.