About Roanoke CTC Methadone Clinic in Roanoke, VA Located in Roanoke, Virginia, Roanoke Comprehensive Treatment Center (CTC) provides personalized outpatient treatment for adults age 18 and older of all genders who are struggling with opioid addiction. We offer medication-assisted treatment (MAT), an evidence-based, research-supported approach that combines prescription medication and counseling to treat opioid addiction.