There is the name of it. And here is a quote from that article even backing me up:
"There is now a pill to reverse CML, a type of leukemia in which an abnormal chromosome produces an enzyme that leads to the uncontrolled growth of white blood cells. The drug kills leukemia cells by targeting a specific abnormal gene contained inside the cell--without harming normal cells."
Quote:

p.s.

Here's another link.

This one goes to a page talking about the actual pill made by Mr. Druker.

I guess the name of the drug is 'Gleevec'.

For some reason, I get an odd picture of a happy old woman with a vacuum cleaner when I think of that, but that's not important now.

Gleevec.

http://illness.altmedangel.com/cml.htm

The Outsider