Comparison · NCT03808818-66a483a7
EUC (Smoking Assessment, Quitting Advice, Quitline Referral) vs VST (Virtual Counseling Sessions, NRT): Significant Reduction in Smoking
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. EUC (Smoking Assessment, Quitting Advice, Quitline Referral) vs VST (Virtual Counseling Sessions, NRT): Significant Reduction in Smoking. Trial comparisons, record NCT03808818-66a483a7. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03808818-66a483a7
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.329 | 0.257 | 0.409 | wilson | |
| Risk in group 2 | 0.432 | 0.355 | 0.513 | wilson | |
| Risk difference, group 1 minus group 2 | -0.104 | -0.212 | 0.00778 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.76 | 0.564 | 1.02 | log | |
| Odds ratio, group 1 over group 2 | 0.643 | 0.399 | 1.04 | log | |
| Number needed to treat, for one fewer participant with the outcome on EUC (Smoking Assessment, Quitting Advice, Quitline Referral) than on VST (Virtual Counseling Sessions, NRT) | 9.64 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | EUC (Smoking Assessment, Quitting Advice, Quitline Referral) | Enhanced usual care (EUC) participants receive an assessment of smoking status and provision of quitting advice through the screening and referral process, and are referred to the NCI Smoking Quitline.~Behavioral, Psychological or Informational Intervention: Receive information about tobacco cessation Quality-of-Life Assessment: Ancillary studies | 47 | 143 | OG000 |
| Group 2 | VST (Virtual Counseling Sessions, NRT) | Virtual Sustained Treatment (VST) patients receive an initial virtual counseling session with a study-designated tobacco treatment coach via MGH TeleHealth over 40 minutes and up to 10 more virtual counseling sessions over 15 minutes for approximately 6 months. Patients also receive up to 12 weeks of NRT (patch and lozenge combined or alone).~Nicotine Replacement: Given NRT patch or lozenge (or both) Quality-of-Life Assessment: Ancillary studies Survey Administration: Ancillary studies Tobacco Cessation Counseling: Receive virtual tobacco cessation counseling | 64 | 148 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Significant Reduction in Smoking
- Description
Significant reduction in daily smoking from baseline to 6 months was defined as \> 50% reduction in reported number of cigarettes per day.~Patients were ask to report the average number of cigarettes smoked per day on the 6mo and baseline surveys.~if Xb is the average number smoked at baseline and X6 is the average number smoked at 6 months Then the reduction was calculated as (Xb-X6)/Xb
- Time frame
- baseline and 6 months
- Population
Source ClinicalTrials.gov
Trial
- Title
- Implementing a Virtual Tobacco Treatment for Cancer Patients in Community Oncology Practices
- NCT number
- NCT03808818
- Phases
- NA
- Conditions
- Carcinoma In Situ, Current Smoker, Malignant Neoplasm, Primary Neoplasm, Recurrent Neoplasm, Smoking Cessation
- Interventions
- Behavioral, Psychological or Informational Intervention, Nicotine Replacement, Quality-of-Life Assessment, Survey Administration, Tobacco Cessation Counseling
- Lead sponsor
- ECOG-ACRIN Cancer Research Group
- Results first posted
- 2025-03-18
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT03808818?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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