About Layton Comprehensive Treatment Center in Layton, UT Layton Comprehensive Treatment Center (CTC) serves adults age 18 and older who are struggling with opioid addiction. We offer medication-assisted treatment (MAT), an evidence-based practice that has been shown to successfully treat opioid addiction. Methadone clinics offering MAT utilize both medication and counseling, creating an individualized plan of care that addresses the whole person.