By Allison Bruce, Ventura County Star, Calif. Dec. 8--Amgen Inc.'s stock price tumbled Friday as shareholders responded to news that the Thousand Oaks-based biotechnology company announced there could be revisions to warning labels on its anemia drugs.

BRIDGEWATER, N.J., June 13 /PRNewswire/ -- In com

Millennium and Ortho Biotech said Thursday they have signed a two-year pact to co-promote cancer drug Velcade in the United States. The firms said the first-in-class injectable drug adds a median survival of nearly 30 months to patients with relapsed multiple myeloma.

By JEFFREY GOLD, THE ASSOCIATED PRESS NEWARK - In a bid to protect its best-selling drug, Procrit, a Johnson & Johnson company has accused Amgen Inc. of antitrust violations, claiming that illegal sales practices force cancer doctors to choose its competing anti-anemia drug.