Judah Folkman I think my earlier comment got chopped, while trying to insert a link to Rakesh Jain's work featured on Scientific American. The article is titled "Taming Vessels to Treat Cancer" and suggests that more dramatic improvements may be possible by using anti-angiogenic drugs synergistically with other agents. I think at this point, it is impossible to gauge the significance of anti-angiogenic treatments and understand precisely how well they work. They might very well fall by the wayside, but hope springs eternal...

Judah Folkman I believe you're correct in saying that Avastin has only been shown to extend lifespan by a few months. However,