ALSO NOTED: Light Sciences withdraws IPO; Medicare to restrict anemia meds?; and much more...

> Light Sciences Oncology has withdrawn its IPO registration, citing "unfavorable market conditions." Report

> A Medicare official says there's an even better case now for restricting payments for Amgen and Johnson & Johnson's big anemia drugs. According to the agency's chief medical officer, more studies have cast doubt on the safety of Aranesp, Epogen, and Procrit, which together generated more than $5 billion in sales in 2007. The drugs are one of the biggest prescription costs for Medicare. Report

> Back off, Seroquel imitators. So says AstraZeneca, which is pursuing a summary judgment in its patent fight with Teva Pharmaceutical Industries. Teva has threatened to launch a copycat version of the antipsychotic med as early as next month. Report

> The watchdogs are circling DTC drug commercials. Report

> Check out this list of the most-visited drug websites. Report

And Finally... Even de-fanged botulinum toxin may still be toxic to some people. The FDA says Botox and its sister med Myobloc have been linked to serious reactions, including death. Report