Genasense, which is used in combination with chemotherapy, works by targeting a key "cell suicide" gene called bcl-2 and then inducing cancer cells to kill themselves.

FORBES: Magazine Article

While most cancer drugs work by targeting mechanisms common to all cancers, such as cell division, PM drugs hit specific genetic mutations driving the cancer's spread.

FORBES: Magazine Article

Separately, Pfizer said that the Food and Drug Administration has approved Xalkori capsules, which the company calls the first-ever drug targeting anaplastic lymphoma kinase, or ALK, for the treatment of locally advanced or metastatic non-small cell lung cancer that is ALK-positive.

FORBES: Bristol-Myers, Pfizer Announce Positive Results; An FDA Approval for Pfizer