NCT01528800

Brief Summary

The purpose of this study is to see if vitamin K supplementation three times per week reduces the progression of coronary artery calcification over 12 months in dialysis patients compared to placebo.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
85

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Nov 2012

Longer than P75 for phase_2

Geographic Reach
1 country

3 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 6, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 8, 2012

Completed
9 months until next milestone

Study Start

First participant enrolled

November 1, 2012

Completed
7.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2019

Completed
Last Updated

June 28, 2021

Status Verified

June 1, 2021

Enrollment Period

7.1 years

First QC Date

February 6, 2012

Last Update Submit

June 24, 2021

Conditions

Keywords

Vitamin KChronic Kidney DiseaseVascular CalcificationHemodialysisCoronary Artery Calcification

Outcome Measures

Primary Outcomes (5)

  • Recruitment rate

    Number of participants recruited per month at each site) and an overall crude average of each site's rate.

    12 months

  • Compliance with study medication

    Proportion of prescribed doses received.

    12 months

  • Dropout rate

    Proportion of participants who dropped out from the trial.

    12 months

  • Adherence to study protocol

    Proportion of participants who adhered to the study protocol.

    12 months

  • Rates of eligible patients consented and randomized

    Proportion of eligible patients consented and randomized.

    12 months

Secondary Outcomes (17)

  • Coronary artery calcification (Agatston calcium scores) progression

    12 months

  • Coronary artery calcification (volume calcium scores) progression

    12 months

  • Coronary artery calcification (Agatston calcium scores) regression

    12 months

  • Coronary artery calcification (volume calcium scores) regression

    12 months

  • Aortic valve calcification (Agatston calcium scores) progression

    12 months

  • +12 more secondary outcomes

Other Outcomes (6)

  • Levels of biomarkers of inflammation

    12 months

  • Levels of clinical lab values

    12 months

  • Concomitant medication assessment (presence/absence/dosage)

    12 months

  • +3 more other outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Microcrystalline Methylcellulose

Drug: Microcrystalline Methylcellulose

Vitamin K1

ACTIVE COMPARATOR

Vitamin K1

Drug: Vitamin K1

Interventions

10mg orally three times a week for 12 months

Also known as: Phytonadione, Phylloquinone
Vitamin K1

10mg orally three times a week for 12 months

Placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Able to provide signed informed consent
  • ≥18 years of age
  • Expected to survive one year
  • Have end-stage kidney disease and require hemodialysis
  • Have a baseline coronary artery calcification score ≥30 Agatston units (AUs)

You may not qualify if:

  • Have a medical condition that requires warfarin
  • Require hemodialysis for acute kidney injury
  • Are Pregnant
  • Have other severe co-morbid conditions (e.g. malignancy, disabling stroke) with life expectancy less than one year
  • Have undergone coronary artery bypass grafting or have stents placed in their coronary arteries
  • Are currently enrolled in another interventional trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Kingston Health Sciences Centre: Kingston General Hospital Site

Kingston, Ontario, K7L 2V7, Canada

Location

London Health Sciences Centre

London, Ontario, N6A 5W9, Canada

Location

The Ottawa Hospital

Ottawa, Ontario, K1H 8L6, Canada

Location

Related Publications (2)

  • Holden RM, Booth SL, Zimmerman D, Moist L, Norman PA, Day AG, Menard A, Fu X, Shea MK, Babiolakis CS, Nolan R, Turner ME, Ward E, Kaufmann M, Adams MA, Heyland DK. Inhibit progression of coronary artery calcification with vitamin K in hemodialysis patients (the iPACK-HD study): a randomized, placebo-controlled multi-center, pilot trial. Nephrol Dial Transplant. 2023 Feb 28;38(3):746-756. doi: 10.1093/ndt/gfac191.

  • Holden RM, Booth SL, Day AG, Clase CM, Zimmerman D, Moist L, Shea MK, McCabe KM, Jamal SA, Tobe S, Weinstein J, Madhumathi R, Adams MA, Heyland DK. Inhibiting the progression of arterial calcification with vitamin K in HemoDialysis patients (iPACK-HD) trial: rationale and study design for a randomized trial of vitamin K in patients with end stage kidney disease. Can J Kidney Health Dis. 2015 May 1;2:17. doi: 10.1186/s40697-015-0053-x. eCollection 2015.

MeSH Terms

Conditions

Kidney Failure, ChronicRenal Insufficiency, ChronicVascular Calcification

Interventions

Vitamin K 1

Condition Hierarchy (Ancestors)

Renal InsufficiencyKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsCalcinosisCalcium Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

Vitamin KNaphthoquinonesNaphthalenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPhytolDiterpenesTerpenesQuinonesPolycyclic Compounds

Study Officials

  • Rachel Holden

    Queens University/Kingston Health Sciences Centre: Kingston General Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor of Medicine Queen's University

Study Record Dates

First Submitted

February 6, 2012

First Posted

February 8, 2012

Study Start

November 1, 2012

Primary Completion

December 1, 2019

Study Completion

December 1, 2019

Last Updated

June 28, 2021

Record last verified: 2021-06

Locations