Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A 12-Week, Double-Blind, Randomized, Placebo-Controlled, Multicenter Study With Follow-Up Evaluating The Safety And Efficacy Of Varenicline Tartrate (CP-526,555-18) 1 Mg Bid For Smoking Cessation (Protocol A3051080)
Brief Summary: The primary objective of this protocol is to evaluate 12 weeks of treatment of varenicline compared to placebo for smoking cessation. Abstinence from cigarette smoking and other tobacco products (e.g., pipe, cigars, chew, snuff.) use during non-treatment follow-up period will also be evaluated.


Options:
A: Arm Label: varenicline; Type: ACTIVE_COMPARATOR; Interventions: Drug: varenicline tartrate (CP-526, 555-18) | Arm Label: placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Intervention Type: DRUG; Name: varenicline tartrate (CP-526, 555-18); Assigned to Arm(s): varenicline | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): placebo
B: Arm Label: Effectiveness of Nicotine patch only; Type: EXPERIMENTAL; Interventions: Drug: Nicotine Patch | Arm Label: Effectiveness of Combination NRT; Type: EXPERIMENTAL; Interventions: Drug: Nicotine lozenge, Drug: Nicotine Patch | Arm Label: Effectiveness of Varenicline [Chantix]; Type: EXPERIMENTAL; Interventions: Drug: Varenicline | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Effectiveness of Varenicline [Chantix] | Intervention Type: DRUG; Name: Nicotine lozenge; Assigned to Arm(s): Effectiveness of Combination NRT | Intervention Type: DRUG; Name: Nicotine Patch; Assigned to Arm(s): Effectiveness of Combination NRT, Effectiveness of Nicotine patch only
C: Arm Label: Placebo (Slow Metabolizers); Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Arm Label: Varenicline (Slow Metabolizers); Type: ACTIVE_COMPARATOR; Interventions: Drug: Varenicline | Arm Label: Transdermal Nicotine (Slow Metabolizers); Type: ACTIVE_COMPARATOR; Interventions: Drug: Transdermal Nicotine | Arm Label: Placebo (Normal Metabolizers); Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo | Arm Label: Varenicline (Normal Metabolizers); Type: ACTIVE_COMPARATOR; Interventions: Drug: Varenicline | Arm Label: Transdermal Nicotine (Normal Metabolizers); Type: ACTIVE_COMPARATOR; Interventions: Drug: Transdermal Nicotine | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Varenicline (Normal Metabolizers), Varenicline (Slow Metabolizers) | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo (Normal Metabolizers), Placebo (Slow Metabolizers) | Intervention Type: DRUG; Name: Transdermal Nicotine; Assigned to Arm(s): Transdermal Nicotine (Normal Metabolizers), Transdermal Nicotine (Slow Metabolizers)
D: Arm Label: Bupropion; Type: EXPERIMENTAL; Interventions: Drug: Bupropion, Behavioral: Smoking Cessation Counseling | Arm Label: Varenicline; Type: EXPERIMENTAL; Interventions: Drug: Varenicline, Behavioral: Smoking Cessation Counseling | Arm Label: Placebo; Type: PLACEBO_COMPARATOR; Interventions: Drug: Placebo, Behavioral: Smoking Cessation Counseling | Intervention Type: DRUG; Name: Bupropion; Assigned to Arm(s): Bupropion | Intervention Type: DRUG; Name: Varenicline; Assigned to Arm(s): Varenicline | Intervention Type: DRUG; Name: Placebo; Assigned to Arm(s): Placebo | Intervention Type: BEHAVIORAL; Name: Smoking Cessation Counseling; Assigned to Arm(s): Bupropion, Placebo, Varenicline

Answer: A