Monday, May 23, 2005

Sham medicine?

Anti-depression implant may gain U.S. approval
It has been approved since 1997 for the treatment of some epilepsy patients, and the drug agency has told the manufacturer that it is now "approvable" for severe depression that is resistant to other treatment. But in the only rigorously controlled trial conducted so far in depressed patients, the stimulator was no more effective than sham surgery.