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Comparison · NCT02588833-be2e9ec9

Cohort 1 vs Cohort 2: Number of Subjects Receiving Red Blood Cell (RBC) Transfusions

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. Cohort 1 vs Cohort 2: Number of Subjects Receiving Red Blood Cell (RBC) Transfusions. Trial comparisons, record NCT02588833-be2e9ec9. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02588833-be2e9ec9

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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 10.3330.06150.792wilson
Risk in group 20.350.1810.567wilson
Risk difference, group 1 minus group 2-0.0167-0.3650.472newcombe hybrid score
Risk ratio, group 1 over group 20.9520.1735.26log
Odds ratio, group 1 over group 20.9290.07112.1log
Number needed to treat, for one fewer participant with the outcome on Cohort 1 than on Cohort 260from 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 1Cohort 1Subjects received SC injections of pegcetacoplan 180 mg/day for up to 28 days.13OG000
Group 2Cohort 2
Subjects received SC injections or infusions of pegcetacoplan 270 mg/day for up to 364 days if entering the open-label extension study or, if entering Part 2C, until enrollment in the open-label extension study became available. If clinically indicated on the basis of response, the pegcetacoplan dosage could be increased up to 360 mg/day.
720OG001

Outcome

Type
SECONDARY
Title
Number of Subjects Receiving Red Blood Cell (RBC) Transfusions
Description
The number of on-study RBC transfusions were monitored throughout the treatment period.
Time frame
From Day 1 up to Day 533.
Population
The ITT population set included all subjects eligible to receive study drug and who received ≥1 dose of study drug.

Source ClinicalTrials.gov

Trial

Title
Pilot Study to Assess Safety, Preliminary Efficacy and Pharmacokinetics of S.C. Pegcetacoplan (APL-2) in PNH Subjects.
NCT number
NCT02588833
Phases
PHASE1
Conditions
Paroxysmal Nocturnal Hemoglobinuria
Interventions
Pegcetacoplan
Lead sponsor
Apellis Pharmaceuticals, Inc.
Results first posted
2021-01-11

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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