About Parkersburg Comprehensive Treatment Center in Parkersburg, WV Parkersburg Comprehensive Treatment Center (CTC), located in Parkersburg, West Virginia, offers medication-assisted treatment (MAT) for adults age 18 and older of all genders who are struggling with opioid use disorder. Decades of research has proved that MAT is a safe, effective form of treatment in helping people successfully achieve long-term recovery from opioid addiction. And unlike some methadone clinics, at our Parkersburg treatment center, we use a variety of different medications to help reduce the often painful effects of withdrawal and eliminate cravings.