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Comparison · NCT00246740-deaths

Periostat vs Placebo Oral Tablet: 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. Periostat vs Placebo Oral Tablet: deaths from any cause. Trial comparisons, record NCT00246740-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00246740-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 1000.161wilson
Risk in group 2000.149wilson
Risk difference, group 1 minus group 20-0.1490.161newcombe 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 1Periostat
Patients received oral administration of 20 mg of doxycycline, twice a day at least 2 days prior to surgery, on the day of surgery, and for the first 3 postoperative days (via a nasogastric tube or orally when patients tolerated it).~Periostat: In addition to standard care, patients received oral administration of 20 mg of doxycycline twice a day at least 2 days prior to surgery, on the day of surgery, and on postoperative days 1, 2, and 3.
020EG001
Group 2Placebo Oral Tablet
Patients received oral administration of matching placebo pills, twice a day at least 2 days prior to surgery, on the day of surgery, and for the first 3 postoperative days (via a nasogastric tube or orally when patients tolerated it).~Placebo Oral Tablet: In addition to standard care, patients received oral administration of placebo twice a day at least 2 days prior to surgery, on the day of surgery, and on postoperative days 1, 2, and 3.
022EG000

Harm

What it counts
Total, all-cause mortality
Time frame

Source ClinicalTrials.gov

Trial

Title
Protection of the Heart With Doxycycline During Coronary Artery Bypass Grafting
NCT number
NCT00246740
Phases
PHASE2
Conditions
Coronary Artery Bypass Grafting, Cardiopulmonary Bypass, Reperfusion Injury
Interventions
Periostat, Placebo Oral Tablet
Lead sponsor
University of Alberta
Results first posted
2017-12-15

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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