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Comparison · NCT02604433-deaths

Luspatercept + BSC vs Placebo + BSC: 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. Luspatercept + BSC vs Placebo + BSC: deaths from any cause. Trial comparisons, record NCT02604433-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02604433-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 10.01790.0070.0452wilson
Risk in group 20.009170.001620.0501wilson
Risk difference, group 1 minus group 20.00876-0.03360.0371newcombe hybrid score
Risk ratio, group 1 over group 21.960.22117.3log
Odds ratio, group 1 over group 21.970.21817.9log
Number needed to harm, for one more death from any cause on Luspatercept + BSC than on Placebo + BSC114from 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 1Luspatercept + BSC
Luspatercept (ACE-536) was administered subcutaneously (SC) at a starting dose level of 1 mg/kg once every 21 days. Participants could be dose-titrated to 1.25 mg/kg, but the maximum total dose should not exceed 120 mg, total dose per administration during the Treatment Period, the Long-term Treatment Period, and Open-Label Treatment Period. BSC = Best Supportive Care
4223EG000
Group 2Placebo + BSCPlacebo (normal saline) was administered subcutaneously (SC) in volumes to match active treatment once every 21 days. BSC = Best Supportive Care1109EG001

Harm

What it counts
Total, all-cause mortality
Time frame
All-cause mortality was assessed from first dose to study completion (approximately 56 months) SAEs and NSAEs were assessed from first dose to 90 days following last dose (up to approximately 52 months)

Source ClinicalTrials.gov

Trial

Title
An Efficacy and Safety Study of Luspatercept (ACE-536) Versus Placebo in Adults Who Require Regular Red Blood Cell Transfusions Due to Beta (β) Thalassemia
NCT number
NCT02604433
Phases
PHASE3
Conditions
Erythrocyte Transfusion, Beta-Thalassemia
Interventions
Luspatercept, Placebo
Lead sponsor
Celgene
Results first posted
2020-01-27

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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