The biggest potential for growth will come from new uses for existing drugs, such as rheumatoid arthritis drug Remicade, which is being tested and used for psoriasis and other disease.

FORBES: J&J's Anemic Growth

Immunex (nasdaq: IMNX - news - people ) comes with a gem of a drug: Enbrel, a treatment for rheumatoid arthritis that may also treat other conditions, including psoriasis.

FORBES: Amgen, Immunex: The Arthritis Merger

Bernstein took another look at the patent Amgen was issued last week on the top-selling drug Enbrel, used to treat rheumatoid arthritis, psoriasis, and other immune diseases.

FORBES: New Patent Could Be Worth $6 A Share To Amgen

Enbrel is now in tests for two dozen other diseases, from chronic heart failure to psoriasis to Alzheimer's and even some cancers.

FORBES: Chemical Chameleon