Dutasteride 0.5 mg vs Placebo: Number of Participants With Post-biopsy Macroscopic Hematospermia
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
Measures 6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note | Source |
|---|---|---|---|---|---|---|
| Risk in group 1 | 0.0131 | 0.01 | 0.0171 | wilson | ClinicalTrials.gov | |
| Risk in group 2 | 0.0192 | 0.0154 | 0.0238 | wilson | ClinicalTrials.gov | |
| Risk difference, group 1 minus group 2 | -0.00606 | -0.0117 | -0.000565 | newcombe hybrid score | ClinicalTrials.gov | |
| Risk ratio, group 1 over group 2 | 0.684 | 0.484 | 0.966 | log | ClinicalTrials.gov | |
| Odds ratio, group 1 over group 2 | 0.679 | 0.478 | 0.966 | log | ClinicalTrials.gov | |
| Number needed to treat, for one fewer participant with the outcome on Dutasteride 0.5 mg than on Placebo | 165 | 85.8 | 1,770 | from the risk difference interval | ClinicalTrials.gov |
Groups 2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code | Source |
|---|---|---|---|---|---|---|
| Group 1 | Dutasteride 0.5 mg | Dutasteride 0.5 milligrams (mg), repeat oral once daily dosing for 4 years. Dutasteride supplied as gelatin capsule. | 53 | 4,049 | OG001 | ClinicalTrials.gov |
| Group 2 | Placebo | Placebo, repeat oral once daily dosing for 4 years. Placebo supplied as matching dutasteride capsules. | 78 | 4,073 | OG000 | ClinicalTrials.gov |
Outcome 5
| Field | Value | Source |
|---|---|---|
| Type | SECONDARY | ClinicalTrials.gov |
| Title | Number of Participants With Post-biopsy Macroscopic Hematospermia | ClinicalTrials.gov |
| Description | Participants reported events of macroscopic hematospermia (visible blood in semen) throughout the study. | ClinicalTrials.gov |
| Time frame | Baseline through Year 4 | ClinicalTrials.gov |
| Population | Efficacy Population | ClinicalTrials.gov |
Trial 8
| Field | Value | Source |
|---|---|---|
| Title | "REDUCE" - A Clinical Research Study To Reduce The Incidence Of Prostate Cancer In Men Who Are At Increased Risk | ClinicalTrials.gov |
| NCT number | NCT00056407 | ClinicalTrials.gov |
| Phases | PHASE3 | ClinicalTrials.gov |
| Conditions | Neoplasms, Prostate | ClinicalTrials.gov |
| Interventions | Dutasteride, Placebo | ClinicalTrials.gov |
| Lead sponsor | GlaxoSmithKline | ClinicalTrials.gov |
| Results first posted | 2010-03-05 | ClinicalTrials.gov |
| Results on ClinicalTrials.gov | https://clinicaltrials.gov/study/NCT00056407?tab=results | ClinicalTrials.gov |
Source 4
| Field | Value | Source |
|---|---|---|
| Release | trial-comparisons-2026-03-23-0.1.0 | ClinicalTrials.gov |
| Release manifest SHA-256 | f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57 | ClinicalTrials.gov |
| AACT copy | 2026-03-23 | ClinicalTrials.gov |
| 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 | ClinicalTrials.gov |
Release trial-comparisons-2026-03-23-0.1.0
ClinicalTrials.gov's posted results, through CTTI's AACT: ClinicalTrials.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.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.
ClinicalTrials.gov: none 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.