Relapse-prevention counseling added to standard care for cancer patients who quit smoking at diagnosis

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized, two-arm, parallel-group trial compares standard brief relapse-prevention counseling to standard counseling plus one additional structured CBT-based relapse-prevention session in adults with cancer who have remained completely abstinent from smoking since their diagnosis. All participants first receive a brief 3-5 minute counseling session, then are randomized to either receive no extra CBT or one 20-30 minute CBT session. Participants are followed for 3 months after randomization at the Vietnam National Cancer Hospital in Hanoi, using intention-to-treat analysis. The study aims to determine if the added CBT session improves sustained smoking abstinence compared with standard counseling alone.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Aged 18 years or older.
2. Diagnosed with cancer.
3. Was smoking combustible cigarettes at the time of cancer diagnosis.
4. Has remained completely abstinent from cigarette smoking from the time of cancer diagnosis until study enrollment, without smoking even a puff.
5. Provides written informed consent to participate in the study.

Exclusion Criteria:

1. Have a medical, psychiatric, cognitive, hearing, speech, or other condition that prevents effective communication or meaningful participation in the counseling intervention or study assessments.
2. Are not expected to be contactable or able to complete the planned follow-up assessments.
3. Are currently using other combustible tobacco products, such as waterpipe tobacco, shisha/hookah, cigars, or pipes.
4. Are currently participating in another structured smoking-cessation intervention or clinical trial that could materially affect the study outcomes.

Where it's running

• Vietnam National Cancer Hospital
  Hà Nội, Vietnam Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.