Comparison · NCT04254081-sae
Buprenorphine 0.15mg + 1% Lidocaine Paracervical Block vs 1% Lidocaine Paracervical Block: 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. Buprenorphine 0.15mg + 1% Lidocaine Paracervical Block vs 1% Lidocaine Paracervical Block: serious adverse events. Trial comparisons, record NCT04254081-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04254081-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 | 0.0000000000000000139 | 0.121 | wilson | |
| Risk in group 2 | 0 | 0 | 0.117 | wilson | |
| Risk difference, group 1 minus group 2 | 0 | -0.117 | 0.121 | 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 harm | from the risk difference interval | the two groups' risks are equal |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Buprenorphine 0.15mg + 1% Lidocaine Paracervical Block | Paracervical block with 18mL of 1% lidocaine buffered with 2 mL 8.4% sodium bicarbonate plus 0.15mg of buprenorphine~Buprenorphine 0.15 MG: Buprenorphine 0.15mg solution will be added to a 20mL 1% buffered lidocaine solution (paracervical block) which will be administered in the paracervical space prior to osmotic dilator insertion. | 0 | 28 | EG000 |
| Group 2 | 1% Lidocaine Paracervical Block | Paracervical block with 18 mL of 1% lidocaine buffered with 2 mL 8.4% sodium bicarbonate~Lidocaine 1% Injectable Solution: 20mL of 1% buffered lidocaine solution (paracervical block) will be administered in the paracervical space prior to osmotic dilator insertion. | 0 | 29 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
Source ClinicalTrials.gov
Trial
- Title
- Addition of Buprenorphine to Paracervical Block for Pain Control During Osmotic Dilator Insertion
- NCT number
- NCT04254081
- Phases
- PHASE4
- Conditions
- Procedural Pain, Buprenorphine, Adjuvants, Anesthesia, Dilation and Evacuation, Analgesics
- Interventions
- Buprenorphine 0.15 MG, Lidocaine 1% Injectable Solution
- Lead sponsor
- University of California, San Diego
- Results first posted
- 2023-08-01
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT04254081?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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