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KRX-0502 (Ferric Citrate) in Subjects With NDD-CKD and IDA (The COMPASS Trial) (COMPASS)

10. mars 2021 oppdatert av: Keryx Biopharmaceuticals

Study of KRX-0502 (Ferric Citrate) Dose Regimens in Subjects With Non-Dialysis Dependent Chronic Kidney Disease and Iron-Deficiency Anemia

The objectives of this study are to assess the long-term efficacy and safety of different dose regimens of KRX-0502 in the treatment of iron deficiency anemia (IDA) in adult subjects with non-dialysis dependent chronic kidney disease (CKD).

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

This is a Phase 4, 48-week, randomized, open-label, multicenter clinical study comprised of 2 periods: a 24-week Dose Titration Period, followed by a 24-week Dose Maintenance Period. The study will consist of 12 scheduled clinic visits over a period of 48 weeks and additional visits as needed.

Studietype

Intervensjonell

Registrering (Faktiske)

206

Fase

  • Fase 4

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Forente stater
    • Arizona
      • Phoenix, Arizona, Forente stater, 85032
        • Arizona Kidney Disease and Hypertension center: AKDHC Medical Research Services, LLC
    • California
      • Chula Vista, California, Forente stater, 91910
        • California Institute of Renal Research
      • El Centro, California, Forente stater, 92243
        • California Institute of Renal Research
      • Poway, California, Forente stater, 92064
        • California Institute of Renal Research
    • Colorado
      • Denver, Colorado, Forente stater, 80230
        • Denver Nephrologists, P.C.
    • Florida
      • Miami, Florida, Forente stater, 33143
        • Miami Kidney Group
      • Miami, Florida, Forente stater, 33150
        • Kidney and Hypertension Specialists of Miami, P.A.
    • Georgia
      • Augusta, Georgia, Forente stater, 30904
        • Southeastern Clinical Research Institute, LLC
      • Columbus, Georgia, Forente stater, 31904
        • Renal Associates, LLC
    • Illinois
      • Chicago, Illinois, Forente stater, 60643
        • Research by Design, LLC
    • Mississippi
      • Gulfport, Mississippi, Forente stater, 39501
        • South Mississippi Medical Research, LLC
    • Missouri
      • Kansas City, Missouri, Forente stater, 64111
        • Clinical Research Consultants
    • Nevada
      • Reno, Nevada, Forente stater, 89511
        • Sierra Nevada Nephrology Consultants
    • New Jersey
      • Eatontown, New Jersey, Forente stater, 07724
        • Hypertension and Nephrology Association
    • New York
      • Great Neck, New York, Forente stater, 11021
        • Division of Kidney/HTN Research
    • North Carolina
      • Asheville, North Carolina, Forente stater, 28801
        • Mountain Kidney & Hypertension Associates
      • Charlotte, North Carolina, Forente stater, 28207
        • Metrolina Nephrology Associates, PA
      • Greenville, North Carolina, Forente stater, 27834
        • Eastern Nephrology Associates
      • Jacksonville, North Carolina, Forente stater, 28546
        • Southeastern Nephrology Associates
      • New Bern, North Carolina, Forente stater, 28562
        • Eastern Nephrology Associates
      • Wilmington, North Carolina, Forente stater, 28401
        • Southeastern Nephrology
    • South Carolina
      • Columbia, South Carolina, Forente stater, 29203
        • Columbia Nephrology Associates, PA
      • Orangeburg, South Carolina, Forente stater, 29118
        • South Carolina Nephrology & Hypertension Center, Inc
    • Tennessee
      • Nashville, Tennessee, Forente stater, 37205
        • Nephrology Associates, P.C.
    • Texas
      • Austin, Texas, Forente stater, 78758
        • Research Management, Inc.
      • Austin, Texas, Forente stater, 78751
        • Research Management, Inc.
      • Lufkin, Texas, Forente stater, 75904
        • P & I Clinical Research, LLC
      • San Antonio, Texas, Forente stater, 78212
        • Clinical Advancement Center, PLLC

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Estimated glomerular filtration rate ≥20 mL/min and <60 mL/min
  • Hgb ≥8.5 g/dL and ≤11.5 g/dL
  • Serum ferritin ≤500 ng/mL and transferrin saturation (TSAT) ≤25%
  • Serum intact parathyroid hormone ≤600 pg/mL

Exclusion Criteria:

  • Serum phosphate <3.0 mg/dL
  • Intravenous (IV) iron administered within 4 weeks prior to Screening
  • Erythropoiesis-stimulating agents (ESA) administered within 4 weeks prior to Screening
  • Blood transfusion within 4 weeks prior to Screening

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Group 1
KRX-0502 1 tablet thrice daily (TID) with meals
Legemiddel: KRX-0502
Oral ferric citrate with meals
Andre navn:
  • jernsitrat
Eksperimentell: Group 2
KRX-0502 2 tablets twice daily (BID) with the largest 2 daily meals
Legemiddel: KRX-0502
Oral ferric citrate with meals
Andre navn:
  • jernsitrat

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change From Baseline in Hemoglobin (Hgb) at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from a mixed model of repeated measures (MMRM), including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 24

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change From Baseline in Hgb at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Time From Randomization to the First Increase From Baseline Hgb of at Least 0.5 Grams Per Deciliter (g/dL) During the Dose Titration Period
Tidsramme: from Randomization to Week 24
The Kaplan-Meier estimator of the survival function of time from randomization to the first increase from Baseline Hgb of at least 0.5 g/dL for each of the two starting dose treatment groups were obtained.
from Randomization to Week 24
Change From Baseline in Transferrin Saturation (TSAT) at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 24
Change From Baseline in TSAT at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Change From Baseline in Ferritin at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 24
Change From Baseline in Ferritin at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Change From Baseline in Serum Phosphate at Week 24
Tidsramme: Baseline; up to Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; up to Week 24
Change From Baseline in Serum Phosphate at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Change From Baseline in Estimated Glomerular Filtration Rate (eGFR) at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 24
Change From Baseline in eGFR at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Change From Baseline in Bicarbonate at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 24
Change From Baseline in Bicarbonate at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates are from an MMRM, including an intercept term and covariates for randomized treatment, visit, treatment by visit interaction, Baseline value, and Baseline value by visit interaction. The Kenward-Roger method was used along with an unstructured covariance matrix.
Baseline; Week 48
Change From Baseline in Intact Parathyroid Hormone (iPTH) at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using a common slope analysis of covariance (ANCOVA) model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, and a random error term.
Baseline; Week 24
Change From Baseline in iPTH at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using an uncommon slope ANCOVA model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, randomized treatment group by Baseline interaction, and a random error term.
Baseline; Week 48
Change From Baseline in C-terminal Fibroblast Growth Factor 23 (FGF23) at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using an uncommon slope ANCOVA model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, randomized treatment group by Baseline interaction, and a random error term.
Baseline; Week 24
Change From Baseline in C-terminal FGF23 at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using an uncommon slope ANCOVA model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, randomized treatment group by Baseline interaction, and a random error term.
Baseline; Week 48
Change From Baseline in Intact Fibroblast Growth Factor 23 at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using a common slope ANCOVA model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, and a random error term.
Baseline; Week 24
Change From Baseline in Intact Fibroblast Growth Factor 23 at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Estimates obtained using an uncommon slope ANCOVA model which includes the Baseline laboratory parameter as a covariate, randomized treatment group, randomized treatment group by Baseline interaction, and a random error term.
Baseline; Week 48
Change From Baseline Scores for the Work Productivity and Activity Impairment (WPAI) Questionnaire Adapted for Anemia Associated With Chronic Kidney Disease (CKD) at Week 24: Work-associated Measures
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. The WPAI is a questionnaire to evaluate the effect of anemia associated with Chronic Kidney Disease on the ability to work and perform regular activities. Scores are presented as percentages (multiplying the scores by 100), with 0% representing no impact and 100% representing complete impact.
Baseline; Week 24
Change From Baseline Scores for the WPAI Questionnaire Adapted for Anemia Associated With CKD at Week 48: Work-associated Measures
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. The WPAI is a questionnaire to evaluate the effect of anemia associated with Chronic Kidney Disease on the ability to work and perform regular activities. Scores are presented as percentages (multiplying the scores by 100), with 0% representing no impact and 100% representing complete impact.
Baseline; Week 48
Change From Baseline Scores for the WPAI Questionnaire Adapted for Anemia Associated With CKD at Week 24: Activity Impairment
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. The WPAI is a questionnaire to evaluate the effect of anemia associated with Chronic Kidney Disease on the ability to work and perform regular activities. Scores are presented as percentages (multiplying the scores by 100), with 0% representing no impact and 100% representing complete impact.
Baseline; Week 24
Change From Baseline Scores for the WPAI Questionnaire Adapted for Anemia Associated With CKD at Week 48: Activity Impairment
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. The WPAI is a questionnaire to evaluate the effect of anemia associated with Chronic Kidney Disease on the ability to work and perform regular activities. Scores are presented as percentages (multiplying the scores by 100), with 0% representing no impact and 100% representing complete impact.
Baseline; Week 48
Change From Baseline in the Functional Assessment of Chronic Illness Therapy (FACIT) Fatigue Scale Score at Week 24
Tidsramme: Baseline; Week 24
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Participants were asked to respond to 13 statements (as they apply to the last 7 days) that other people with the same illness said are important with one of the following: 0, not at all; 1, a little bit; 2, somewhat; 3, quite a bit; 4, very much. All individual items were summed to create a single fatigue score ranging from 0 to 52. Higher scores indicate greater fatigue.
Baseline; Week 24
Change From Baseline in the Functional Assessment of Chronic Illness Therapy Fatigue Scale Score at Week 48
Tidsramme: Baseline; Week 48
Change from Baseline was calculated as the post-Baseline value minus the Baseline value. Participants were asked to respond to 13 statements (as they apply to the last 7 days) that other people with the same illness said are important with one of the following: 0, not at all; 1, a little bit; 2, somewhat; 3, quite a bit; 4, very much. All individual items were summed to create a single fatigue score ranging from 0 to 52. Higher scores indicate greater fatigue.
Baseline; Week 48
Number of Hospitalizations for Participants Who Entered the Dose Maintenance Period
Tidsramme: up to Week 48
A hospitalization is defined as admission to the hospital.
up to Week 48
Duration of Hospitalizations for Participants Who Entered the Dose Maintenance Period
Tidsramme: up to Week 48
A hospitalization is defined as admission to the hospital.
up to Week 48
Number of Participants With Any Treatment-emergent Adverse Event (TEAE) for Participants Who Entered the Dose Maintenance Period
Tidsramme: up to Week 48
Treatment-emergent adverse events are defined as adverse events that began after the first administration of study medication or pre-existing conditions that worsened after the first dose of study medication.
up to Week 48

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Keryx Biopharmaceuticals

Etterforskere

  • Studieleder: Medical Director, Keryx Biopharmaceuticals

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

15. august 2017

Primær fullføring (Faktiske)

30. august 2019

Studiet fullført (Faktiske)

27. september 2019

Datoer for studieregistrering

Først innsendt

26. juli 2017

Først innsendt som oppfylte QC-kriteriene

31. juli 2017

Først lagt ut (Faktiske)

1. august 2017

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. mars 2021

Siste oppdatering sendt inn som oppfylte QC-kriteriene

10. mars 2021

Sist bekreftet

1. mars 2021

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • KRX-0502-402

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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