Comparison · NCT02915835-af93eb7d
Riociguat vs Placebo: Proportion of Participants Who Develop Pressure Ulcers at the Elbows Over the Course of the Double-blind Period.
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. Riociguat vs Placebo: Proportion of Participants Who Develop Pressure Ulcers at the Elbows Over the Course of the Double-blind Period. Trial comparisons, record NCT02915835-af93eb7d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02915835-af93eb7d
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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 | 0.324 | wilson | |
| Risk in group 2 | 0 | 0 | 0.324 | wilson | |
| Risk difference, group 1 minus group 2 | 0 | -0.324 | 0.324 | 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 | from the risk difference interval | the two groups' risks are equal |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Riociguat | Riociguat 0.5 mg, 1 mg, 1.5 mg, 2 mg and 2.5 mg administered TID; dose titration starting with 1.0 mg (planned up-titration every 2 weeks, with possibility of dose reduction for tolerability; 0.5 mg is the lowest dose and 2.5 mg is the highest dose to be administered)~Riociguat: riociguat 0.5 mg, 1 mg, 1.5 mg, 2 mg and 2.5 mg administered TID; dose titration starting with 1.0 mg (planned up-titration every 2 weeks, with possibility of dose reduction for tolerability; 0.5 mg is the lowest dose and 2.5 mg is the highest dose to be administered) | 0 | 8 | OG000 |
| Group 2 | Placebo | Matching placebo tablets: 0.5 mg, 1 mg, 1.5 mg, 2 mg and 2.5 mg administered TID; dose titration starting with 1.0 mg matching placebo tablet.~Placebo: Placebo 0.5 mg, 1 mg, 1.5 mg, 2 mg and 2.5 mg administered TID; | 0 | 8 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Proportion of Participants Who Develop Pressure Ulcers at the Elbows Over the Course of the Double-blind Period.
- Description
The proportion of participants who develop a pressure ulcer at at the elbows at baseline to Week 16. Pressure ulcer is defined as an active or indeterminate ulcer. An active ulcer is defined as a denuded area with defined border and loss of epithelialization, loss of epidermis and dermis. An indeterminate ulcer is defined as denudation that could not be visualized and no other clinical features of activity.
- Time frame
- Baseline to Week 16
- Population
- Modified Intent to Treat Population is defined as all participants randomized, receiving at least one dose of treatment, and having at least one post-baseline efficacy assessment.
Source ClinicalTrials.gov
Trial
- Title
- Riociguat in Scleroderma Associated Digital Ulcers
- NCT number
- NCT02915835
- Phases
- PHASE2
- Conditions
- Scleroderma, Digital Ulcers
- Interventions
- Riociguat, Placebo
- Lead sponsor
- Dinesh Khanna, MD, MS
- Results first posted
- 2019-09-24
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02915835?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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