Drug company reverts to old formula.

• Position: TRIANGLE

Dani Bolognesi, who helped develop the first drug to block infection by the virus that causes AIDS, is back as CEO of Morrisville-based Trimeris--two years after he relinquished the job. It's part of a restructuring to focus on research and development. Bolognesi, 65, worked on Fuzeon as a Duke University researcher in 1991 and became CEO of Trimeris in 1999. He got the drug to market in 2003, but its cost...