DURHAM … Constella Group is forming a new business unit after acquiring Resource Solutions, Inc., a clinical research organization in RTP.

The new unit, Constella Clinical Informatics,is a combination of RSI and Constella’s own Biomedical Informatics unit.

Constella Group was known previously as Analytical Sciences, changing its name in May.

Chris Speh and Joan Reese, who helped launch RSI, will be senior managers in the new business, according to Constella. Speh is the acting president, and Reese will be the chief operating officer.

“RSI has a strong, established reputation in clinical trials management and monitoring,” said Donald Holzworth, chief executive officer of Constella, in a statement. “By combining RSI’s expertise with Constella’s strengths in technology and data management, we are now able to offer our pharmaceutical clients with a complete breadth of services to help them manage and improve their entire clinical trials process.”

Constella Group, which ranked 29th on the Deloitte & Touche “Fast Fifty” this year with revenue growth of 236 percent over the past five years. The company, which has been in business for 20 years, operates three business units (health sciences, health strategies, clinical informatics) and employs some 675 people. The Council for Entrepreneurial Development also named Constella as its life sciences company of the year.

“This acquisition allows us to compete more effectively in the clinical trials and data management market and to offer our clients new, fully integrated services,” Speh said in a statement. “Although our business will now operate as Constella Clinical Informatics, sponsors will continue to receive the same quality and value that they have come to expect.”

Constella Group: www.constellagroup.com