CNN's Tom Cohen, Brian Todd, Paul Courson, Dana Bash and Shasta Darlington contributed to this report.

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CNN's Paul Steinhauser, Dana Bash, Rachel Streitfeld, Chris Welch and Joe Johns contributed to this report.

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CNN's Paul Steinhauser, Dana Bash, Alan Silverleib, Deirdre Walsh and Ashley Killough contributed to this report.

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This study, which was led by Paul Richardson at the Dana-Farber Institute, tested only the sickest patients suffering from a relatively rare cancer called multiple myeloma.

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"If we can individualize therapy, the nirvana is that ten years from now a person comes to the clinic, and we can genomically analyze their disease, " says Paul Richardson of the Dana-Farber Cancer Institute at Harvard University, who led the trials.

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Jeffrey Chernov and Skydance Productions' David Ellison, Dana Goldberg and Paul Schwake are the executive producers.

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CNN's Tom Cohen, Peter Hamby, Paul Steinhauser, Kevin Liptak, Dana Bash, Chris Welch and Ashley Killough contributed to this report.

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CNN's Dana Bash, Ted Barrett, Paul Steinhauser, Ashley Killough and Todd Sperry contributed to this report.

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"That's very impressive, " says Paul Richardson, a myeloma specialist at the Dana-Farber Cancer Institute who has worked on other Celgene-sponsored trials but did not participate in this Thalomid study.

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CNN's Dana Bash, Lisa Desjardins, Alan Silverleib, Paul Steinhauser and Deirdre Walsh contributed to this report.

CNN: Abortion threatens House health care bill

CNN's Dana Bash, Ashley Killough, Kevin Liptak, Paul Steinhauser and Alex Mooney contributed to this report.

CNN: Presidential campaign gets even dirtier

CNN's Jim Acosta, Jessica Yellin, Dana Bash, Deidre Walsh, Ted Barrett, Paul Steinhauser, Gabriella Schwarz, Halimah Abdullah, Ben Brumfield, Steve Almasy and CNNMoney's Rich Barbieri contributed to this report.

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CNN's Dana Bash, Elaine Quijano, Lisa Desjardins, Alan Silverleib, Paul Steinhauser and Deirdre Walsh contributed to this report.

CNN: House passes health care reform bill

CNN's Joe Johns, Dana Bash, Gloria Borger, Shannon Travis, Candy Crowley and Paul Steinhauser contributed to this report.

CNN: Santorum benefits from staying in GOP race