Ferric Citrate for the Prevention of Renal Failure in Adults With Advanced Chronic Kidney Disease (FRONTIER)

  • STATUS
    Recruiting
  • End date
    Aug 22, 2024
  • participants needed
    1000
  • sponsor
    USRC Kidney Research
Updated on 22 April 2022

Summary

An 18-month randomized, double-blind, placebo-controlled study to compare the effect of fixed dose ferric citrate versus placebo in patients with advanced chronic kidney disease (eGFR ≤20 ml/min/1.73m2) on the composite endpoint of time to initiation of maintenance dialysis or all-cause mortality.

Description

This multicenter, randomized, double-blind, placebo-controlled clinical trial is being conducted to determine the effect of ferric citrate on the time to a composite endpoint of initiation of maintenance dialysis or all-cause mortality in patients with non-dialysis dependent, advanced CKD. 1000 subjects will be randomized in 1:1 ratio to receive either ferric citrate or matching placebo. All subjects will initiate dosing at 2 tablets per meal or snacks, up to 3 times per day (maximum of 6 tablets per day). The dose of ferric citrate/placebo will only be adjusted based on safety and/or tolerability. Given the double-blind design of this trial, investigators will be instructed to not prescribe commercial Auryxia to either study arm. The study will be considered completed when approximately 356 patients with events of the primary composite endpoint have accrued. Study visits during the treatment period are to be conducted as part of routine scheduled clinical encounters. Standard of care local laboratory results will be collected however no study specific laboratory tests other than a pregnancy test in women of child-bearing potential will be required.

Details
Condition Anemia, Iron Deficiency, Hyperphosphatemia, Renal Insufficiency, Chronic, Renal Anemia, Disease Progression, Cardiovascular, Iron
Treatment Placebo, Ferric Citrate 1 GM Oral Tablet [AURYXIA]
Clinical Study IdentifierNCT05085275
SponsorUSRC Kidney Research
Last Modified on22 April 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Adult patients greater or equal to 18 years old
Diagnosis of NDD advanced CKD, regardless of etiology. Advanced CKD is defined as at least one local laboratory determined estimated glomerular filtration rate (eGFR) ≤20 ml/min/1.73m2 (calculated per any commonly used method or equation for estimating eGFR) within 90 days of Day 1
Most recent transferrin saturation (TSAT) less than or equal to 45% within 45 days of Day 1
Most recent serum phosphate is greater or equal to 3.0 mg per dL within 45 days of Day 1\
Most recent ferritin is less than or equal to 500 ng per mL within 45 days of Day 1
Women of child-bearing potential must have a negative serum or urine pregnancy test within 28 days prior to Day 1
Understands the procedures and requirements of the study and provides written informed consent and authorization for protected health information disclosure

Exclusion Criteria

Patients who, in the opinion of the Investigator, have acute kidney injury rather than CKD
Patients with planned/imminent maintenance dialysis, or that are anticipated to begin maintenance dialysis within 8 weeks from Screening, in the opinion of the Investigator
A known allergy or intolerance to ferric citrate or any of its constituents
Hypersensitivity reaction to previous oral iron therapy
History of hemochromatosis or iron overload syndrome (e.g., hereditary sideroblastic anemia, thalassemia, polycythemia vera)
Active malignancy requiring current treatment except for non-melanoma skin cancer regardless of treatment
Active drug or alcohol dependence or abuse (excluding tobacco use or use of medical or recreational marijuana) within the 12 months prior to Screening or evidence of such abuse, in the opinion of the Investigator
Limited life expectancy (less than 6 months) in the opinion of the Investigator
Females who are known to be pregnant or are breast-feeding during Screening or are planning to become pregnant and breastfeeding during the study period
Evidence of a clinically active infection requiring antibiotics at Randomization
Unable to comply with study requirements or in the opinion of the Investigator, not clinically stable to participate in the study
Use of an investigational medication or participation in an investigational study within 30 days prior to Day 1
Patients with a scheduled date for receipt of living donor kidney transplant
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