| clinical trial | Q30612 |
| P3098 | ClinicalTrials.gov ID | NCT01330043 |
| P6099 | clinical trial phase | phase IV clinical trial | Q42825046 |
| P17 | country | United States of America | Q30 |
| P582 | end time | 2015-03-01 | |
| P4135 | maximum age | 65 | |
| P2899 | minimum age | 18 | |
| P1132 | number of participants | 223 | |
| P4844 | research intervention | niacinamide | Q192423 |
| varenicline | Q411330 | ||
| bupropion | Q834280 | ||
| P859 | sponsor | Stanford University | Q41506 |
| P580 | start time | 2010-03-01 | |
| P8363 | study type | interventional study | Q78089383 |
| P1476 | title | Extended Treatment for Smoking Cessation |
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