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Comparison · NCT04625283-deaths

Ketamine vs Saline: 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. Ketamine vs Saline: deaths from any cause. Trial comparisons, record NCT04625283-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04625283-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 10.00130.0002290.00732wilson
Risk in group 2000.00508wilson
Risk difference, group 1 minus group 20.0013-0.003890.00732newcombe 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 harm, for one more death from any cause on Ketamine than on Saline770from the risk difference intervalthe interval includes no difference

Groups2

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

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Ketamine
Participants in this arm will receive intraoperative ketamine bolus (0.5mg/kg) followed by continuous infusion 5 mcg/kg/min and also will receive postoperative ketamine infusion (2.5 mcg/kg/min, up to 100kg max) for 48 hours.~Ketamine: Participants in the ketamine arm will receive intraoperative and postoperative ketamine.
1770EG000
Group 2Saline
Participants in this arm will receive an equivalent volume of intraoperative saline bolus followed by continuous saline infusion and also will receive postoperative saline infusion for 48 hours.~Placebo: Participants in the placebo arm will receive intraoperative and postoperative saline.
0752EG001

Harm

What it counts
Total, all-cause mortality
Time frame
Monitored from enrollment to time of hospital discharge, approximately 28 days

Source ClinicalTrials.gov

Trial

Title
The Impact of Perioperative Ketamine Infusion on Surgical Recovery
NCT number
NCT04625283
Phases
PHASE4
Conditions
Opioid Use, Enhanced Recovery After Surgery, Anesthesia, Ketamine, Pain, Postoperative
Interventions
Ketamine, Placebo
Lead sponsor
Vanderbilt University Medical Center
Results first posted
2025-02-04

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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