Network Therapy is a substance-abuse treatment approach that engages members of the patient’s social support network to support abstinence. Key elements of the approach are: (1) a cognitive-behavioral approach to relapse prevention in which patients learn about cues that can trigger relapse and behavioral strategies for avoiding relapse; (2) support from the patient’s natural social network; and (3) community reinforcement techniques engaging resources in the social environment to support abstinence. Network Therapy patients typically participate in outpatient treatment twice per week for 12 to 24 weeks. The patient participates in weekly individual therapy sessions and weekly sessions attended by network members approved by the therapist. Patients agree to contingency contracts agreeing to aversive consequences if they use targeted drugs. Some practitioners ask patients to submit urine samples for testing.