Comparison · NCT02504372-sae
Pembrolizumab vs Placebo: serious adverse events
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. Pembrolizumab vs Placebo: serious adverse events. Trial comparisons, record NCT02504372-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02504372-sae
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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 | 0.245 | 0.212 | 0.281 | wilson | |
| Risk in group 2 | 0.155 | 0.128 | 0.187 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0899 | 0.044 | 0.135 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.58 | 1.25 | 2 | log | |
| Odds ratio, group 1 over group 2 | 1.77 | 1.32 | 2.37 | log | |
| Number needed to harm, for one more participant with a serious adverse event on Pembrolizumab than on Placebo | 11.1 | 7.38 | 22.7 | from the risk difference interval |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Pembrolizumab | Participants received pembrolizumab 200 mg, intravenously (IV), every 3 weeks, for one year. | 142 | 580 | EG000 |
| Group 2 | Placebo | Participants received placebo, IV, every 3 weeks, for one year. | 90 | 581 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- Up to approximately 86 months
Source ClinicalTrials.gov
Trial
- Title
- Study of Pembrolizumab (MK-3475) vs Placebo for Participants With Non-small Cell Lung Cancer After Resection With or Without Standard Adjuvant Therapy (MK-3475-091/KEYNOTE-091)
- NCT number
- NCT02504372
- Phases
- PHASE3
- Conditions
- Non-small Cell Lung Cancer
- Interventions
- Pembrolizumab, Placebo
- Lead sponsor
- Merck Sharp & Dohme LLC
- Results first posted
- 2024-02-15
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02504372?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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