Study: NCT01892813

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Nicotine replacement therapy - Transdermal nicotine patch
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Nicotine replacement therapy - Transdermal nicotine patch
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Nicotine replacement therapy - Nicotine gum
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Nicotine replacement therapy - Nicotine gum
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Nicotine replacement therapy - Nicotine lozenge
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Nicotine replacement therapy - Nicotine lozenge
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Bupropion
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Bupropion
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Varenicline
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Varenicline
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Combination pharmacotherapy - Transdermal nicotine patch + nicotine gum
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Combination pharmacotherapy - Transdermal nicotine patch + nicotine gum
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: Combination pharmacotherapy - Transdermal nicotine patch + nicotine lozenge
Description: Medication selection will be determined based on individual participant preferences, medical history, and contraindications.