Comparison · NCT02913924-sae
Clonazepam 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. Clonazepam vs Placebo: serious adverse events. Trial comparisons, record NCT02913924-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02913924-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 | 0.0294 | 0.00521 | 0.149 | wilson | |
| Risk in group 2 | 0.0294 | 0.00521 | 0.149 | wilson | |
| Risk difference, group 1 minus group 2 | 0 | -0.122 | 0.122 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1 | 0.0652 | 15.3 | log | |
| Odds ratio, group 1 over group 2 | 1 | 0.06 | 16.7 | log | |
| Number needed to harm | 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 | Clonazepam | Clonazepam will be taken twice per day in the morning and in the evening. Clonazepam is given in a fixed flexible dose schedule with the dose titrated to 2mg per day or the maximum tolerated dose. Clonazepam will be taken for the first 8 weeks of the trial.~Clonazepam: fixed-flexible daily dose to a maximum of 2 mg (1 mg twice per day) for the first 8 weeks of the trial | 1 | 34 | EG000 |
| Group 2 | Placebo | Placebo will be taken twice per day in the morning and in the evening. Placebo will be taken for the first 8 weeks of the trial.~Placebo | 1 | 34 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
- Length of participant's participation, up to 12 weeks
Source ClinicalTrials.gov
Trial
- Title
- Effect of Clonazepam on Cannabis Withdrawal and Relapse in Treatment-seeking Patients
- NCT number
- NCT02913924
- Phases
- PHASE2
- Conditions
- Cannabis Use Disorder
- Interventions
- Clonazepam, Placebo
- Lead sponsor
- New York State Psychiatric Institute
- Results first posted
- 2021-08-06
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02913924?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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