Comparison · NCT03828539-sae
Erenumab vs Topiramate: 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. Erenumab vs Topiramate: serious adverse events. Trial comparisons, record NCT03828539-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03828539-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 | 0.0258 | 0.0141 | 0.0468 | wilson | |
| Risk in group 2 | 0.049 | 0.0316 | 0.0752 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0232 | -0.0519 | 0.00408 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.526 | 0.248 | 1.12 | log | |
| Odds ratio, group 1 over group 2 | 0.514 | 0.236 | 1.12 | log | |
| Number needed to treat, for one fewer participant with a serious adverse event on Erenumab than on Topiramate | 43.1 | from the risk difference interval | the interval includes no difference |
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 | Erenumab | 70 mg and 140 mg Erenumab | 10 | 388 | EG000 |
| Group 2 | Topiramate | Topiramate in the highest tolerated dose (50 - 100 mg/day) | 19 | 388 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
Adverse events were collected from first dose of study treatment until 8 weeks after the last Investigational Medicinal product (IMP) injection, assessed up to approximately 33 weeks (treatment duration ranged from 4.0 to 25.1 weeks).
Source ClinicalTrials.gov
Trial
- Title
- Head-to-head Study of Erenumab Against Topiramate in Patients With Episodic and Chronic Migraine
- NCT number
- NCT03828539
- Phases
- PHASE4
- Conditions
- Migraine
- Interventions
- Erenumab, Topiramate, Erenumab matching placebo, Topiramate matching placebo
- Lead sponsor
- Novartis Pharmaceuticals
- Results first posted
- 2021-08-09
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT03828539?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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