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Comparison · NCT02240589-sae

Memantine 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

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ConductScience Library. Memantine vs Placebo: serious adverse events. Trial comparisons, record NCT02240589-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02240589-sae

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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 1000.434wilson
Risk in group 20.1670.03010.564wilson
Risk difference, group 1 minus group 2-0.167-0.5640.289newcombe 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 treat, for one fewer participant with a serious adverse event on Memantine than on Placebo6from the risk difference intervalthe interval includes no difference

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Memantine24 weeks of memantine with accelerated titration, beginning within 48 hours of injury.~Memantine: Day 1 to 3: 10 mg bid memantine. Day 3 to 21: 20 mg bid memantine. Day 21 to 168: 10 mg bid memantine.05EG000
Group 2Placebo24 weeks of placebo matched to memantine formulation, beginning within 48 hours of injury.~Placebo: Day 1 to 3: 10 mg bid placebo. Day 3 to 21: 20 mg bid placebo. Day 21 to 168: 10 mg bid placebo.16EG001

Harm

What it counts
Total, serious adverse events
Time frame
6 months

Source ClinicalTrials.gov

Trial

Title
Memantine for Neuroprotection and Cognitive Enhancement Following Traumatic Brain Injury
NCT number
NCT02240589
Phases
NA
Conditions
Traumatic Brain Injury
Interventions
Memantine, Placebo
Lead sponsor
Indiana University
Results first posted
2017-08-30

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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