Comparison · NCT00831701-885a3d45
Tamsulosin Treatment vs Placebo Treatment: Number of Participants With Stone Expulsion
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. Tamsulosin Treatment vs Placebo Treatment: Number of Participants With Stone Expulsion. Trial comparisons, record NCT00831701-885a3d45. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00831701-885a3d45
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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 | 0.867 | 0.738 | 0.937 | wilson | |
| Risk in group 2 | 0.889 | 0.765 | 0.952 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0222 | -0.165 | 0.12 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.975 | 0.836 | 1.14 | log | |
| Odds ratio, group 1 over group 2 | 0.813 | 0.229 | 2.88 | log | |
| Number needed to treat, for one fewer participant with the outcome on Tamsulosin Treatment than on Placebo Treatment | 45 | 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 | Tamsulosin Treatment | Patients received one pill of Tamsulosin 400 micrograms once daily | 39 | 45 | OG000 |
| Group 2 | Placebo Treatment | Patients received Placebo pill once daily | 40 | 45 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Number of Participants With Stone Expulsion
- Description
- The primary end point was the number of patients per group experiencing stone expulsion until day 21, as confirmed by low-dose abdominal computed tomography (CT).
- Time frame
- 21 days
- Population
Source ClinicalTrials.gov
Trial
- Title
- Medical Expulsive Therapy of Single Distal Ureteral Stones
- NCT number
- NCT00831701
- Phases
- NA
- Conditions
- Ureteral Calculi
- Interventions
- Tamsulosin, Placebo
- Lead sponsor
- University of Zurich
- Results first posted
- 2010-05-12
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00831701?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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