Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Naltrexone and Varenicline: Weight Gain and Tolerability in Smokers
Brief Summary: The purpose of this study is to determine whether the combination of naltrexone (Depade) and varenicline (Chantix) minimizes post-smoking cessation weight gain and how well the combination is tolerated.


Options:
A: Arm Label: Group I (varenicline and placebo); Type: EXPERIMENTAL; Interventions: Other: Placebo, Other: Tobacco Cessation Counseling, Drug: Varenicline | Arm Label: Group II (placebo, nicotine patch and lozenge); Type: PLACEBO_COMPARATOR; Interventions: Drug: Nicotine Lozenge, Drug: Nicotine Patch, Other: Placebo, Other: Tobacco Cessation Counseling | Intervention Type: DRUG; Name: Nicotine Lozenge; Assigned to Arm(s): Group II (placebo, nicotine patch and lozenge) | Intervention Type: DRUG; Name: Nicotine Patch; Assigned to Arm(s): Group II (placebo, nicotine patch and lozenge) | Intervention Type: OTHER; Name: Placebo; Assigned to Arm(s): Group I (varenicline and placebo), Group II (placebo, nicotine patch and lozenge) | Intervention Type: OTHER; Name: Tobacco Cessation Counseling; Assigned to Arm(s): Group I (varenicline and placebo), Group II (placebo, nicotine patch and lozenge) | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Group I (varenicline and placebo)
B: Arm Label: Extended Brief Contact; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Behavioral: Initial Individual counseling, Behavioral: Check-ins with medical staff | Arm Label: Extended Health Education; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Behavioral: Initial Individual counseling, Behavioral: Extended Individual Counseling - Health Model | Arm Label: Extended Relapse Prevention plus varenicline; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Behavioral: Initial Individual counseling, Behavioral: Extended Individual Counseling - Relapse Prevention Model | Arm Label: Extended Relapse Prevention; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Behavioral: Initial Individual counseling, Behavioral: Extended Individual Counseling - Relapse Prevention Model | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Extended Brief Contact, Extended Health Education, Extended Relapse Prevention, Extended Relapse Prevention plus varenicline | Intervention Type: BEHAVIORAL; Name: Initial Individual counseling; Assigned to Arm(s): Extended Brief Contact, Extended Health Education, Extended Relapse Prevention, Extended Relapse Prevention plus varenicline | Intervention Type: BEHAVIORAL; Name: Check-ins with medical staff; Assigned to Arm(s): Extended Brief Contact | Intervention Type: BEHAVIORAL; Name: Extended Individual Counseling - Health Model; Assigned to Arm(s): Extended Health Education | Intervention Type: BEHAVIORAL; Name: Extended Individual Counseling - Relapse Prevention Model; Assigned to Arm(s): Extended Relapse Prevention, Extended Relapse Prevention plus varenicline
C: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: Naltrexone, Drug: Varenicline | Arm Label: 2; Type: PLACEBO_COMPARATOR; Interventions: Drug: Varenicline | Intervention Type: DRUG; Name: Naltrexone; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): 1, 2
D: Arm Label: Arm I; Type: EXPERIMENTAL; Interventions: Drug: varenicline | Arm Label: Arm II; Type: PLACEBO_COMPARATOR; Interventions: Other: placebo | Arm Label: Arm III; Type: ACTIVE_COMPARATOR; Interventions: Drug: nicotine | Intervention Type: DRUG; Name: nicotine; Assigned to Arm(s): Arm III | Intervention Type: DRUG; Name: varenicline; Assigned to Arm(s): Arm I | Intervention Type: OTHER; Name: placebo; Assigned to Arm(s): Arm II

Answer: C