| Trial name or title | Maintaining nonsmoking |
| Methods | Open‐label 4‐arm randomised trial |
| Participants | 271 adult smokers (5+ CPD), who have all completed 12‐wk course of varenicline + counselling |
| Interventions | After treatment, participants are randomised to: 1. Extended brief contact, or 2. Extended health education, or 3. Extended relapse prevention + varenicline, or 4. Extended relapse prevention |
| Outcomes | Smoking status at 12, 24, 52, 64 and 104 wks |
| Starting date | May 2010 |
| Contact information | Not named (U of California, San Francisco) |
| Notes |
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