Skip to content

Effectiveness & Efficiency of STEPwise Approach of Smoking Cessation System in Thailand

Effectiveness & Efficiency of STEPwise Approach of Smoking Cessation System in Thailand (STEP trial)

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20160526001
Enrollment
3397
Registered
2016-05-26
Start date
2016-09-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Tobacco dependence Smoking

Interventions

Brief intervention + Vernonia lozenges,Brief intervention + Placebo lozenges
Active Comparator Drug,Placebo Comparator Behavioral
Vernonia group,Placebo group

Sponsors

Thai Health Professional Alliance Against Tobacco (ThaiPAT)
Lead Sponsor
Medical Research Network of the Consortium of Thai Medical Schools
Collaborator

Eligibility

Sex/Gender
All
Age
20 Years to 100 Years

Inclusion criteria

Inclusion criteria: • 20 years old or more • Smoke at least 10 cigarettes regularly per day. • Addicted to Nicotine at a moderate level with more than 4 points in Fagerstrom Test of Nicotine Dependence (FTND). • Desire to quit. • Agree to receive smoking cessation service at a clinic if they are unable to quit smoking by using service in the community. • Agree to receive therapy and medication and all the steps provided by the research programme. • Willing to be followed up for 12 months. • Not been treated with any therapy within the last 3 months. • Not a chronic alcoholic (AUDIT score ≤7).

Exclusion criteria

Exclusion criteria: • Have severe Coronary Artery Disease. • Pregnant or planning to become pregnant or breastfeeding. • Have a history of any kind of allergy to tobacco cessation drugs. • Use drugs for antidepression in the monoamine oxidase inhibitors (MAOIs) group. • Have a history of liver disease or kidney disease. • Have a history of epilepsy, schizophrenia or chronic depression. • Have a history of cancer, except for skin cancer that is treated. • Have dangerous hypertension (Systolic blood pressure>150mmHg or diastolic blood pressure>95 mmHg. • Have a severe congenital disease that is unstable within the last six months. • Have BMI> 38 or 7) or use other addictive substances. • Refuse an initial interview and physical examination. • Use an electric cigarette, Baraku and electric Baraku. • ECG shows serious cardiac arrhythmias (malignant arrhythmia).

Design outcomes

Primary

MeasureTime frame
continuous abstinence rate (CAR) 1 year subjective report & confirm with exhaled CO measurement

Secondary

MeasureTime frame
Adverse reaction 1 year subjective report

Countries

Thailand

Contacts

Public ContactSuthat Rungruanghiranya

Thai Health Professional Alliance Against Tobacco

suthat109@gmail.com66894413959

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026