Check out DCOL Research's new updated website!


DCOL Center for Clinical Research has been working with pharmaceutical, biotech, and CRO companies since 2005 and has conducted approximately 300 Phase II - IV clinical trials in a wide range of therapeutic areas. We are a dedicated research department within Diagnostic Clinic of Longview (DCOL), the largest multi-specialty group practice in Northeast Texas. 

To find out more about them, go to their website,