SAN DIEGO & SOMERSET, N.J.--(BUSINESS WIRE)--Santarus, Inc. (NASDAQ:SNTS - News), a specialty pharmaceutical company focused on therapies for gastrointestinal diseases and disorders, today announced that it has selected inVentiv Commercial Services, LLC, a subsidiary of inVentiv Health, Inc. (NASDAQ:VTIV - News), to assist in the previously announced expansion plans to add 150 sales representatives to promote ZEGERID® brand products in the U.S. Approximately 140 of the sales representatives will be added through inVentiv, while the remaining sales representatives will be hired directly by Santarus. Santarus expects the new sales representatives to be trained and in place by early 2007.