Comparison · NCT01224171-sae
Vedolizumab 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. Vedolizumab vs Placebo: serious adverse events. Trial comparisons, record NCT01224171-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01224171-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 | 0.0622 | 0.0367 | 0.103 | wilson | |
| Risk in group 2 | 0.0773 | 0.0481 | 0.122 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0151 | -0.0664 | 0.0355 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.805 | 0.397 | 1.63 | log | |
| Odds ratio, group 1 over group 2 | 0.792 | 0.371 | 1.69 | log | |
| Number needed to treat, for one fewer participant with a serious adverse event on Vedolizumab than on Placebo | 66.3 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Vedolizumab | Participants received 300 mg intravenous vedolizumab at Weeks 0, 2, and 6. | 13 | 209 | EG001 |
| Group 2 | Placebo | Participants received placebo intravenous infusion at Weeks 0, 2 and 6. | 16 | 207 | EG000 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
From the date of first study drug administration to Week 22, through the 14 March 2012 database lock date. At the time of this database lock, 7 patients had completed Week 10 or early termination assessments but not Week 22 assessments.
Source ClinicalTrials.gov
Trial
- Title
- Study of Vedolizumab in Patients With Moderate to Severe Crohn's Disease
- NCT number
- NCT01224171
- Phases
- PHASE3
- Conditions
- Crohn's Disease
- Interventions
- vedolizumab, Placebo
- Lead sponsor
- Millennium Pharmaceuticals, Inc.
- Results first posted
- 2014-07-21
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01224171?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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