Please select the eligibility criteria that correspond to the clinical trial below.
Title: An International 7-Week, Double-Blind, Placebo-Controlled, 2-Parallel Group Study to Assess the Efficacy of Dianicline 40 mg BID as an Aid to Smoking Cessation in Cigarette Smokers
Brief Summary: The primary objective is to demonstrate the efficacy of dianicline as an aid to smoking cessation in cigarette smokers. The main secondary objectives are: to assess the craving for cigarettes, nicotine withdrawal symptoms and the safety of dianicline.


Options:
A: Inclusion Criteria:

* Outpatients over the legal age smoking at least 10 cigarettes per day for at least 2 months

Exclusion Criteria:

* Insufficient level of motivation
* Another participant in the household
* Patients with current psychotic disorder or major depressive disorder

The investigator will evaluate whether there are other reasons why a patient may not participate.
B: Inclusion Criteria:

* Daily smokers (5≥ cigarettes/day)
* A low socio-economic position (meaning being unemployed or being a recipient of one of the state programs for low income individuals)
* Being available for at least 4 appointments over a 6 month period
* Affiliation to or benefiting from social security or state medical support

Exclusion Criteria:

* Individuals who do not speak French, or who have cognitive impairments making it impossible to understand study information or a condition that makes it impossible for them to give informed consent.
* Major citizens protected by law, adults unable to express their consent and subject to a protective measure (guardianship, curatorship, safeguard of justice)
* Pregnant women or with a pregnancy project, mothers breastfeeding their child(ren).
* Regular smokers who vape daily (at least once a day).
* People who at the time of inclusion are already being managed for smoking cessation (whatever treatment: varenicline, electronic cigarette, NRT, hypnosis, acupuncture, psychotherapy, talk groups, etc.).
* Patients who are already participating in another clinical study (self-reported).
C: Inclusion Criteria:

* Subjects will be current cigarette smokers who have smoked an average of at least 10 cigarettes per day during the past year and during the month prior to the screening visit.
* mild to moderate COPD confirmed by spirometry
* Subjects must have a clinical diagnosis of COPD.

Exclusion Criteria:

* Subjects who have made a serious attempt to quit smoking in the past 3 months.
* Subjects who have been previously randomized in a study that has included varenicline.
D: Inclusion Criteria:

* Aged 18 years and over
* Currently smoking ≥15 full strength tobacco cigarettes per day for at least 2 years, or roll-up tobacco equivalent (cigar or pipe smokers not included).
* Willing to stop tobacco cigarettes for period of study if required
* Willing not to use electronic cigarettes if required
* Able to give informed consent

Exclusion Criteria:

* Pregnant or lactating.
* Women of childbearing potential who do not abstain from sex or use effective contraception.
* On current prescribed medication for cardiovascular disease.
* History of cardiovascular disease (excluding hypertension), diabetes, active malignance or chronic renal disease.
* Nut allergy
* Participation in another clinical trial (other than observational trials and registries) with an investigational product and/or intervention within 30 days before visit 1.

Answer: A