Comparison · NCT00303459-sae
Bosentan 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. Bosentan vs Placebo: serious adverse events. Trial comparisons, record NCT00303459-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00303459-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 | 0.459 | 0.384 | 0.537 | wilson | |
| Risk in group 2 | 0.586 | 0.512 | 0.657 | wilson | |
| Risk difference, group 1 minus group 2 | -0.127 | -0.23 | -0.0197 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.783 | 0.635 | 0.966 | log | |
| Odds ratio, group 1 over group 2 | 0.599 | 0.388 | 0.925 | log | |
| Number needed to treat, for one fewer participant with a serious adverse event on Bosentan than on Placebo | 7.87 | 4.34 | 50.7 | 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 | Bosentan | Bosentan~bosentan: bosentan/62.5 mg tablet/b.i.d. for 4 weeks then bosentan/125 mg tablet/b.i.d. | 73 | 159 | EG000 |
| Group 2 | Placebo | Placebo~placebo: Matching bosentan placebo/b.i.d. | 102 | 174 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- Up to End of Study and up to 1 day after discontinuation of study treatment, approximately 86 weeks
Source ClinicalTrials.gov
Trial
- Title
- Effects of the Combination of Bosentan and Sildenafil Versus Sildenafil Monotherapy on Pulmonary Arterial Hypertension (PAH)
- NCT number
- NCT00303459
- Phases
- PHASE4
- Conditions
- Pulmonary Arterial Hypertension
- Interventions
- bosentan, placebo
- Lead sponsor
- Actelion
- Results first posted
- 2015-01-26
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00303459?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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