Comparison · NCT01517893-442d7dc2
Intervention Arm vs Placebo Arm: Number of Participants With an Increase in Patient's Global Assessment Score
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. Intervention Arm vs Placebo Arm: Number of Participants With an Increase in Patient's Global Assessment Score. Trial comparisons, record NCT01517893-442d7dc2. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01517893-442d7dc2
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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 | 0 | 0.434 | wilson | |
| Risk in group 2 | 0.167 | 0.0301 | 0.564 | wilson | |
| Risk difference, group 1 minus group 2 | -0.167 | -0.564 | 0.289 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | log | a group has no participants with the outcome | |||
| Odds ratio, group 1 over group 2 | log | a cell of the two-by-two table is zero | |||
| Number needed to treat, for one fewer participant with the outcome on Intervention Arm than on Placebo Arm | 6 | 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 | Intervention Arm | Sig: Simvastatin 40 mg, increased to 80 mg after 1 month if initial dose tolerated~Simvastatin: Sig: 40 mg PO daily for 1 month, increased to 80 mg PO daily for 5 months if low dose tolerated | 0 | 5 | OG000 |
| Group 2 | Placebo Arm | Placebo: Sig: 40 mg PO daily for 1 month, increased to 80 mg PO daily for 5 months if low dose tolerated | 1 | 6 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants With an Increase in Patient's Global Assessment Score
- Description
- Increase in Patient's Global Assessment Scores of 30% or more from baseline to last available visit Increase means improvement. minimum is 0% and maximum is 100%
- Time frame
- Assessed at baseline and final study visit, 6 months after randomization
- Population
- Placebo arm reports 6 instead of enrolled 7 due to failure of participant to complete assessment.
Source ClinicalTrials.gov
Trial
- Title
- Clinical Trial of Simvastatin to Treat Generalized Vitiligo
- NCT number
- NCT01517893
- Phases
- PHASE2
- Conditions
- Vitiligo
- Interventions
- Simvastatin, Placebo
- Lead sponsor
- John Harris
- Results first posted
- 2015-03-12
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01517893?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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