Comparison · NCT01151423-e3ac1883
Caplacizumab vs Placebo: Number and Percentage of Subjects With Relapse of TTP
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. Caplacizumab vs Placebo: Number and Percentage of Subjects With Relapse of TTP. Trial comparisons, record NCT01151423-e3ac1883. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01151423-e3ac1883
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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 | 0.306 | 0.18 | 0.469 | wilson | |
| Risk in group 2 | 0.0769 | 0.0265 | 0.203 | wilson | |
| Risk difference, group 1 minus group 2 | 0.229 | 0.0506 | 0.399 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 3.97 | 1.2 | 13.1 | log | |
| Odds ratio, group 1 over group 2 | 5.28 | 1.34 | 20.9 | log | |
| Number needed to treat, for one more participant with the outcome on Caplacizumab than on Placebo | 4.37 | 2.5 | 19.8 | 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 | Caplacizumab | Caplacizumab 10 mg once daily | 11 | 36 | OG000 |
| Group 2 | Placebo | Placebo once daily | 3 | 39 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number and Percentage of Subjects With Relapse of TTP
- Description
- Number and percentage of subjects with relapse of TTP (defined as de novo TTP event that occurred later than 30 days after the last daily PE) was evaluated.
- Time frame
- Later than 30 days after the last daily PE
- Population
- ITT Population
Source ClinicalTrials.gov
Trial
- Title
- Study to Assess Efficacy and Safety of Anti-von Willebrand Factor (vWF) Nanobody in Patients With Acquired Thrombotic Thrombocytopenic Purpura (aTTP)
- NCT number
- NCT01151423
- Phases
- PHASE2
- Conditions
- Acquired Thrombotic Thrombocytopenic Purpura
- Interventions
- Caplacizumab, Placebo
- Lead sponsor
- Ablynx, a Sanofi company
- Results first posted
- 2019-05-29
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01151423?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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