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Comparison · NCT03781479-deaths

Amifampridine vs Placebo: 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. Amifampridine vs Placebo: deaths from any cause. Trial comparisons, record NCT03781479-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03781479-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 100.00000000000000002780.242wilson
Risk in group 200.00000000000000002780.242wilson
Risk difference, group 1 minus group 20-0.2420.242newcombe 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

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1AmifampridineTreatment administered to the patient at the time of onset of the AE.012EG000
Group 2PlaceboTreatment administered to the patient at the time of onset of the AE.012EG001

Harm

What it counts
Total, all-cause mortality
Time frame
Serious adverse events (SAEs) were recorded for each patient from the time informed consent was obtained at Screening and continued through four weeks after the last visit or at the early discontinuation visit, for a total of approximately 14 weeks. Non-serious AEs were recorded for each patient after the first administration of study drug through the termination visit or at the early termination visit, for a total of approximately 10 weeks.

Source ClinicalTrials.gov

Trial

Title
Controlled Trial to Evaluate Amifampridine Phosphate in Spinal Muscular Atrophy Type 3 Patients
NCT number
NCT03781479
Phases
PHASE2
Conditions
Muscular Atrophy, Spinal
Interventions
Amifampridine Phosphate, Placebo Oral Tablet
Lead sponsor
Catalyst Pharmaceuticals, Inc.
Results first posted
2021-06-01

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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