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Comparison · NCT01771627-sae

Arm I (Varenicline) vs Arm II (Nicotine Patch): serious adverse events

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

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ConductScience Library. Arm I (Varenicline) vs Arm II (Nicotine Patch): serious adverse events. Trial comparisons, record NCT01771627-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01771627-sae

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 100.000000000000000001730.0188wilson
Risk in group 200.000000000000000003470.037wilson
Risk difference, group 1 minus group 20-0.0370.0188newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Arm I (Varenicline)Patients undergo general smoking cessation counseling and receive varenicline PO QD on days 1-28. Courses repeat every 28 days for up to 12 weeks.~varenicline: Given PO0200EG000
Group 2Arm II (Nicotine Patch)Patients undergo general smoking cessation counseling and receive nicotine patch continuously for 12 weeks.~nicotine patch0100EG001

Harm

What it counts
Total, serious adverse events
Time frame

Source ClinicalTrials.gov

Trial

Title
Varenicline or Nicotine Patch in Promoting Smoking Cessation Among Current Smokers
NCT number
NCT01771627
Phases
NA
Conditions
Tobacco Use Disorder
Interventions
varenicline, nicotine patch
Lead sponsor
Roswell Park Cancer Institute
Results first posted
2020-09-28

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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