Comparison · NCT04556656-sae
Pridopidine 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. Pridopidine vs Placebo: serious adverse events. Trial comparisons, record NCT04556656-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04556656-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 | 0.136 | 0.099 | 0.184 | wilson | |
| Risk in group 2 | 0.0843 | 0.0558 | 0.125 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0517 | -0.00368 | 0.108 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.61 | 0.964 | 2.7 | log | |
| Odds ratio, group 1 over group 2 | 1.71 | 0.962 | 3.04 | log | |
| Number needed to harm, for one more participant with a serious adverse event on Pridopidine than on Placebo | 19.4 | 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 | Pridopidine | 45 mg pridopidine twice daily (BID)~Pridopidine: Pridopidine hard gelatin capsule | 34 | 250 | EG000 |
| Group 2 | Placebo | Matching placebo~Placebo: Pridopidine-matching placebo hard gelatin capsule | 21 | 249 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- From Screening until 2 weeks after End of Study/End of Treatment visit (total treatment period of up to 78 weeks).
Source ClinicalTrials.gov
Trial
- Title
- PRidopidine's Outcome On Function in Huntington Disease, PROOF- HD
- NCT number
- NCT04556656
- Phases
- PHASE3
- Conditions
- Huntington Disease
- Interventions
- Pridopidine, Placebo
- Lead sponsor
- Prilenia
- Results first posted
- 2025-03-12
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT04556656?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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Read this comparison from software.
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GET https://conductscience.org/api/comparisons/v1/NCT04556656-sae