GlobeSt.com has confirmed the full-building lease for 6665MacArthur Blvd. has been cemented with a term exceeding 10 years.Dealmakers are unable to discuss details. The new tenant also hasdeclined comment, adding that a press release will be forthcomingat the end of this week.

Word is Caris Diagnostics plans to consolidate several locationsin Greater Dallas in late spring or early summer to the three-storybuilding, owned since June 2001 by New York City-based iStarFinancial Inc. Caris' headquarters presently is located at 8400Esters Blvd., also in Irving, while its leases other space at 1473Terre Colony Ct. in Dallas, 310 E. Interstate 30 in Garland and5215 N. O'Connor Blvd., also an Irving address.

Caris' lease could be the largest one inked to date this year inLas Colinas, a favored landing spot for corporate America.Verizon's 10-year lease of the 11-year-old building burned out inMarch, with the telecommunications giant moving the division backto its nearby campus.