Insightful Corp. reported a 23 percent increase in revenues for the fourth quarter of 2005. Revenues for the year were up 18 percent. The company’s tools are used in a variety of industries, but it does not specify the proportion derived from helping drug companies analyze data in clinical trials. But Insightful did say that it signed a deal to renew a license for its InFact product with a major pharmaceutical company for approximately $200,000.