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Zyban as an effective smoking cessation aid for patients following acute coronary syndrome (ACS): The ZESCA trial

Zyban as an effective smoking cessation aid for patients following acute coronary syndrome (ACS): a randomised controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN75356261
Enrollment
1500
Registered
2005-07-29
Start date
2005-09-01
Completion date
Unknown
Last updated
2019-05-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute coronary syndrome Circulatory System Acute coronary syndrome

Interventions

Sustained-release bupropion versus placebo.

Sponsors

Sir Mortimer B Davis Jewish General Hospital (Canada)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age: greater than or equal to 18 years 2. Active smoker (greater than or equal to 10 cigarettes per day, on average) for the past year 3. Suffered an ACS and planned hospitalization of greater than or equal to 48 hours ACS is defined as positive Troponin T, Troponin I, or CK-MB levels and greater than or equal to one of the following: 3.1. Ischaemic symptoms (i.e. typical chest pain) for at least 20 minutes 3.2. Electrocardiogram (ECG) changes indicative of ischemia (ST-segment elevation or depression) 3.3. Development of pathological Q waves on the ECG Note: If patient is to undergo percutaneous coronary intervention (PCI) and/or coronary artery bypass graft surgery (CABG), they are still eligible to be enrolled. 4. Motivated to quit smoking

Exclusion criteria

Exclusion criteria: 1. Current seizure disorder, history of seizures, or predisposition to seizures (e.g. history of brain tumour, severe head trauma, or stroke) 2. Current use of medications that lower seizure threshold e.g. amantadine, anti-depressants, anti-malarials, anti-psychotics, levodopa, lithium, quinalone antibiotics, ritonavir, systemic steroids, theophyllin, type 1C antiarrhythmics (e.g. encainide, flecainide, propafenone) 3. History of anorexia nervosa or bulimia 4. Current use of Wellbutrin or any other medications that contain bupropion 5. Pregnancy or lactation

Design outcomes

Primary

MeasureTime frame
Smoking abstinence rates at 12 months post-ACS

Secondary

MeasureTime frame
1. Cumulative side effects and safety of bupropion at 9 weeks 2. Composite clinical events (unstable angina, myocardial infarction [MI], seizure, death)

Countries

Canada

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026