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Comparison · NCT01906489-b9040f9e

Vadadustat vs Placebo: Number of Participants With Clinically Significant Changes From Baseline in Physical Examination Findings

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. Vadadustat vs Placebo: Number of Participants With Clinically Significant Changes From Baseline in Physical Examination Findings. Trial comparisons, record NCT01906489-b9040f9e. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01906489-b9040f9e

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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 100.000000000000000001730.0271wilson
Risk in group 2000.0507wilson
Risk difference, group 1 minus group 20-0.05070.0271newcombe 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 treatfrom the risk difference intervalthe two groups' risks are equal

Groups2

Group 2 names the comparator: placebo.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Vadadustat
Participants received Vadadustat 450 milligrams (mg), as 3 tablets once daily (QD) for 20 consecutive weeks. The dose of study medication was increased to a maximum of 600 mg/day or decreased to 150 mg/day based on Hgb response. Participants received an iron supplement to maintain ferritin levels.
0138OG000
Group 2Placebo
Participants were randomized to receive matching Placebo administered as 3 tablets once daily (QD) for 20 consecutive weeks. Placebo was provided as white to off-white, oval film-coated tablets for oral administration. Participants received an iron supplement to maintain ferritin levels.
072OG001

Outcome

Type
SECONDARY
Title
Number of Participants With Clinically Significant Changes From Baseline in Physical Examination Findings
Description
A Baseline physical examination was performed at screening. Otherwise, abbreviated physical examinations were conducted and were to include heart, lung, and abdomen. The investigator was responsible for reviewing laboratory results for clinically significant changes.
Time frame
Up to 20 Weeks
Population
ITT Population

Source ClinicalTrials.gov

Trial

Title
20-Week Repeat Oral Dose Study of AKB-6548 in Participants With Chronic Kidney Disease and Anemia
NCT number
NCT01906489
Phases
PHASE2
Conditions
Anemia, Chronic Kidney Disease
Interventions
AKB-6548, Placebo
Lead sponsor
Akebia Therapeutics
Results first posted
2022-07-01

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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