BEDMINSTER, N.J.--(BUSINESS WIRE)--Feb. 15, 2006--Dendrite International, Inc. (NASDAQ: DRTE) a leading provider of pharmaceutical industry solutions, today announced that it has expanded its original contract with Esprit Pharma to include sample accountability and Prescription Drug Marketing Act (PDMA) based compliance services. Esprit Pharma, a specialty pharmaceutical company focused on the sales, marketing and development of niche therapeutics for the genito-urinary therapy area, currently uses Dendrite sales force solutions, including Validator(TM) data-cleansing services and WebForce(TM) Express for its sales force, to help drive more targeted marketing and sales of SANCTURA(R), an overactive bladder medication.