K & S Professional Research Services, LLC was founded in 2005 by Dr. Gregory S. Kaczenski M.D.   As a research facility for Phase I-III clinical trials, we have strategically located in the heart of downtown Little Rock, Arkansas.   The site, which includes an onsite inpatient unit, is designed as an investigative site that is conducive to all phases of clinical trials.  Our facility is just minutes from all major hospitals, public transportation, and the Little Rock National Airport.