Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Varenicline Smoking Cessation Treatment for Methadone Maintenance Patients
Brief Summary: This randomized trial will evaluate whether varenicline directly observed therapy provided at a methadone clinic is more efficacious than self-administered varenicline for promoting smoking cessation and enhancing adherence.


Options:
A: Arm Label: Placebo Control; Type: PLACEBO_COMPARATOR; Interventions: Behavioral: Smoking cessation counseling, Drug: Placebo | Arm Label: Experimental: Varenicline; Type: ACTIVE_COMPARATOR; Interventions: Behavioral: Smoking cessation counseling, Drug: Varenicline | Intervention Type: BEHAVIORAL; Name: Smoking cessation counseling; Assigned to Arm(s): Experimental: Varenicline, Placebo Control | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo Control | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Experimental: Varenicline
B: Arm Label: NicVAX conjugate vaccine; Type: EXPERIMENTAL; Interventions: Biological: NicVAX vaccine, Drug: Varenicline | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Biological: Placebo, Drug: Varenicline | Intervention Type: BIOLOGICAL; Name: NicVAX vaccine; Assigned to Arm(s): NicVAX conjugate vaccine | Intervention Type: BIOLOGICAL; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): NicVAX conjugate vaccine, Placebo
C: Arm Label: Varenicline treatment as usual (TAU); Type: EXPERIMENTAL; Interventions: Drug: Varenicline | Arm Label: Varenicline directly observed therapy; Type: EXPERIMENTAL; Interventions: Drug: Varenicline | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Varenicline directly observed therapy, Varenicline treatment as usual (TAU)
D: Arm Label: Varenicline + Placebo Patch; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Drug: Placebo Patch, Behavioral: Questionnaires, Behavioral: Counseling Sessions, Other: Lab Session, Other: Saliva Test | Arm Label: Nicotine Patch + Placebo Tablet; Type: EXPERIMENTAL; Interventions: Drug: Nicotine Patch, Drug: Placebo Tablet, Behavioral: Questionnaires, Behavioral: Counseling Sessions, Other: Lab Session, Other: Saliva Test | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Varenicline + Placebo Patch | Intervention Type: DRUG; Name: Nicotine Patch; Assigned to Arm(s): Nicotine Patch + Placebo Tablet | Intervention Type: DRUG; Name: Placebo Patch; Assigned to Arm(s): Varenicline + Placebo Patch | Intervention Type: DRUG; Name: Placebo Tablet; Assigned to Arm(s): Nicotine Patch + Placebo Tablet | Intervention Type: BEHAVIORAL; Name: Questionnaires; Assigned to Arm(s): Nicotine Patch + Placebo Tablet, Varenicline + Placebo Patch | Intervention Type: BEHAVIORAL; Name: Counseling Sessions; Assigned to Arm(s): Nicotine Patch + Placebo Tablet, Varenicline + Placebo Patch | Intervention Type: OTHER; Name: Lab Session; Assigned to Arm(s): Nicotine Patch + Placebo Tablet, Varenicline + Placebo Patch | Intervention Type: OTHER; Name: Saliva Test; Assigned to Arm(s): Nicotine Patch + Placebo Tablet, Varenicline + Placebo Patch

Answer: C