Clinical trial NCT00387946: Efficacy and Safety of Dianicline Treatment as an Aid to Smoking Cessation in Cigarette Smokers (AMERIDIAN)
Official title: An International, Seven-week, Double-blind, Placebo-controlled, Two Parallel Group Study to Assess the Efficacy of Dianicline 40 mg Bid as an Aid to Smoking Cessation in Cigarette Smokers
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE3
Conditions: Smoking Cessation
Tobacco Use Cessation
Keywords: smoking
cessation
tobacco
Lead sponsor: Sanofi
Sponsor class: INDUSTRY
First posted: 2006-10-13
Enrollment: 630
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Primary purpose: TREATMENT

Brief summary: The primary study 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 safety of dianicline.


Eligibility criteria: Inclusion Criteria:

* Outpatients, over legal age, smoking at least 10 cigarettes/day as a mean within the 2 months preceding the screening visit.

Exclusion Criteria:

* Patients who have taken an investigational drug within the past six months prior to the screening visit.
* Patients who had a previous quit attempt (= or \>1 day with the aid of pharmacological adjunct) in the previous three months (before screening).
* Patients who have smoked or consumed non-tobacco cigarettes or any form of tobacco product (other than cigarettes such as cigars, pipes, smokeless tobacco, etc) more than 3 times within the 3 months preceding the screening visit.
* Patients who currently present with (based on Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition \[DSM-IV\]):

  * Psychotic disorder
  * Major depressive episode
* Pregnant or breast-feeding women.
* Women of childbearing potential not protected by effective contraceptive method of birth control and/or who are unwilling or unable to be tested for pregnancy. Medically acceptable methods of birth control for this study include approved hormonal contraceptive medications or devices, approved intra-uterine contraceptive devices, use of two combined barrier methods.
* Patients who have suffered from a myocardial infarction, unstable angina or other major cardiovascular event within the past week prior to screening.
* Patients who have a history of multiple allergic reactions to medications in two drug classes.
* Patients who have QTcF \> 500 ms on the electrocardiogram (ECG).
* Patients with mild, moderate or severe renal impairment.
* Patients who have an abnormal laboratory test of potential clinical significance at screening.

Primary outcomes:
measure: To assess the continuous abstinence from tobacco smoking at every visit during the last 4 weeks of treatment period, i.e. from week 4 to week 7, through direct inquiry of patients, exhaled carbon monoxide (CO) testing, and plasma cotinine measurements
Secondary outcomes:
measure: Questionnaire of Smoking Urges to assess craving for cigarettes; Hughes and Hatsukami Minnesota Withdrawal Scale to measure nicotine withdrawal, number of smoke-free days, and average number of cigarettes smoked from smoking status interview
Other outcomes:
Locations:
city: Bridgewater
country: United States
facility: Administrative Office
state: New Jersey
city: Laval
country: Canada
facility: Administrative Office
state: Quebec
Study officials:
affiliation: Sanofi
name: Clinical Sciences & Operations
role: STUDY_DIRECTOR
References: