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Comparison · NCT03828539-deaths

Erenumab vs Topiramate: deaths from any cause

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. Erenumab vs Topiramate: deaths from any cause. Trial comparisons, record NCT03828539-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03828539-deaths

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 1000.0098wilson
Risk in group 2000.0098wilson
Risk difference, group 1 minus group 20-0.00980.0098newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Erenumab70 mg and 140 mg Erenumab0388EG000
Group 2TopiramateTopiramate in the highest tolerated dose (50 - 100 mg/day)0388EG001

Harm

What it counts
Total, all-cause mortality
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

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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