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Comparison · NCT01976416-deaths

Hydroxyurea 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. Hydroxyurea vs Placebo: deaths from any cause. Trial comparisons, record NCT01976416-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01976416-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 10.01920.005290.0674wilson
Risk in group 20.009710.001720.053wilson
Risk difference, group 1 minus group 20.00952-0.03590.0584newcombe hybrid score
Risk ratio, group 1 over group 21.980.18221.5log
Odds ratio, group 1 over group 220.17922.4log
Number needed to harm, for one more death from any cause on Hydroxyurea than on Placebo105from the risk difference intervalthe interval includes no difference

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1HydroxyureaFixed dose 20 ± 2.5 mg/kg/day, administered once a day in tablet form (100mg or scored 1000mg) for twelve months~Hydroxyurea2104EG000
Group 2PlaceboFixed dose 20 ± 2.5 mg/kg/day, administered once a day in tablet form (100mg or scored 1000mg) for twelve months~Placebo1103EG001

Harm

What it counts
Total, all-cause mortality
Time frame
1 year

Source ClinicalTrials.gov

Trial

Title
Novel Use Of Hydroxyurea in an African Region With Malaria
NCT number
NCT01976416
Phases
PHASE3
Conditions
Sickle Cell Anemia, Sickle Cell Disease, Malaria
Interventions
Hydroxyurea, Placebo
Lead sponsor
Indiana University
Results first posted
2018-10-01

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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