About Anchorage Comprehensive Treatment Center in Anchorage, AK Anchorage Comprehensive Treatment Center, located in Anchorage, Alaska, is a Comprehensive Treatment Center (CTC) that provides medication-assisted treatment (MAT) for adults age 18 and older who are struggling with opioid use disorder, which is the clinical term for opioid addiction. Research proves that medication-assisted treatment gives a person a better chance at a positive recovery outcome and decreases their risk of relapse. Some methadone clinics provide MAT by offering just one type of medication, but our Anchorage clinic features buprenorphine, methadone, and Suboxone.