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Comparison · NCT02499354-deaths

Oral Iron vs IV Iron: 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. Oral Iron vs IV Iron: deaths from any cause. Trial comparisons, record NCT02499354-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02499354-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 1000.0771wilson
Risk in group 2000.0756wilson
Risk difference, group 1 minus group 20-0.07560.0771newcombe 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

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

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Oral Iron
Ferrous Sulfate 325mg (oral) tabs morning and evening~Ferrous sulfate: Oral iron, 325 mg tabs taken morning and evening~In this arm participants also received intravenous normal saline as part of a double blind, double dummy design
046EG000
Group 2IV Iron
Ferumoxytol intravenous (IV) 1020 mg - 2 vials of 510 mg (IV push, 2-3 mins) each given 2-7 days apart~Ferumoxytol intravenous: IV iron, 2 vials of 510 mg given 2-7 days apart~In this arm participants received oral vitamin C as part of a double blind, double dummy design
047EG001

Harm

What it counts
Total, all-cause mortality
Time frame
Up to six weeks

Source ClinicalTrials.gov

Trial

Title
Pilot Study: Randomized, Placebo-controlled Comparator Trial of IV vs Oral Iron Treatment of RLS With IDA. (IVOR-IDA)
NCT number
NCT02499354
Phases
PHASE2
Conditions
Restless Legs Syndrome, Iron Deficiency Anemia
Interventions
Ferumoxytol intravenous, Ferrous sulfate
Lead sponsor
Auerbach Hematology Oncology Associates P C
Results first posted
2023-08-15

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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