NCT02214563

Brief Summary

The purpose of this study is to determine whether cholecalciferol supplementation decrease the blood concentrations of hepcidin-25 in hemodialysis patients.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
90

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Aug 2014

Typical duration for phase_4

Geographic Reach
1 country

7 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

Study Start

First participant enrolled

August 1, 2014

Completed
9 days until next milestone

First Submitted

Initial submission to the registry

August 10, 2014

Completed
2 days until next milestone

First Posted

Study publicly available on registry

August 12, 2014

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2016

Completed
9 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2016

Completed
Last Updated

August 31, 2018

Status Verified

August 1, 2018

Enrollment Period

1.6 years

First QC Date

August 10, 2014

Last Update Submit

August 29, 2018

Conditions

Keywords

Vitamin DCholecalciferolHepcidinsRenal Dialysis

Outcome Measures

Primary Outcomes (2)

  • Serum concentrations of hepcidin-25

    The 3rd month

  • Serum concentrations of hepcidin-25

    The 3rd day

Secondary Outcomes (8)

  • Serum concentrations of hepcidin-25

    The 6th month

  • Percent change of erythropoietin resistance index (ERI) overtime

    Up to the 6th month

  • Blood concentrations of 1,25-dihydroxyvitamin D, bone specific alkaline phosphatase (BAP), and tartrate-resistant acid phosphatase (TRAcP) 5b

    The 3rd month

  • Blood concentrations of 1,25-dihydroxyvitamin D, bone specific alkaline phosphatase (BAP), and tartrate-resistant acid phosphatase (TRAcP) 5b

    The 6th month

  • Blood concentrations of high-sensitive C reactive protein (CRP), interleukin (IL)-6, and tumor necrosis factor (TNF)-alpha

    The 3rd day

  • +3 more secondary outcomes

Other Outcomes (1)

  • Hypercalcemia

    Up to the 6th month

Study Arms (4)

Thrice-weekly cholecalciferol

ACTIVE COMPARATOR

Capsule containing 3,000 IU of cholecalciferol will be given at the end of each hemodialysis session. Dissolved with olive oil and coated by soft capsule made of gelatin and glycerin.

Dietary Supplement: Cholecalciferol

Monthly cholecalciferol

ACTIVE COMPARATOR

Capsules containing a dose equivalent to 9,000 IU/week will be given at the end of the first hemodialysis session in the 3rd week of each month. Dissolved with olive oil and coated by soft capsule made of gelatin and glycerin.

Dietary Supplement: Cholecalciferol

Thrice-weekly placebo

PLACEBO COMPARATOR

Olive oil coated by soft capsule made of gelatin and glycerin.

Dietary Supplement: Olive oil

Monthly placebo

PLACEBO COMPARATOR

Olive oil coated by soft capsule made of gelatin and glycerin.

Dietary Supplement: Olive oil

Interventions

CholecalciferolDIETARY_SUPPLEMENT

Made for this trial by Molecular Physiological Chemistry Laboratory, Inc.

Also known as: vitamin D, vitamin D3
Monthly cholecalciferolThrice-weekly cholecalciferol
Olive oilDIETARY_SUPPLEMENT
Monthly placeboThrice-weekly placebo

Eligibility Criteria

Age20 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patients with end-stage renal disease receiving thrice-weekly maintenance hemodialysis
  • On treatment with erythropoietin stimulating agent
  • With written informed consent

You may not qualify if:

  • On treatment with epoetin beta pegol as ESA
  • On supplementation with native vitamin D
  • Hypercalcemia (\>=10.5 mg/dL of corrected serum calcium)
  • On treatment with intravenous iron agents
  • Judged as ineligible to the randomized study by the investigators

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (7)

Hyogo Prefectural Nishinomiya Hospital

Nishinomiya, Hyōgo, 662-0918, Japan

Location

Higashikouri hospital

Hirakata, Osaka, 573-0075, Japan

Location

Department of Comprehensive Kidney Disease Research, Osaka University Graduate School of Medicine

Suita, Osaka, 565-0871, Japan

Location

Akebono clinic

Kumamoto, 861-4112, Japan

Location

Obi clinic

Osaka, 543-0052, Japan

Location

Nishi clinic

Osaka, 552-0007, Japan

Location

Futaba clinic

Osaka, 559-0013, Japan

Location

Related Publications (1)

  • Obi Y, Yamaguchi S, Hamano T, Sakaguchi Y, Shimomura A, Namba-Hamano T, Mikami S, Nishi O, Tanaka M, Kamoto A, Obi Y, Tomosugi N, Tsubakihara Y, Isaka Y. Effect of cholecalciferol on serum hepcidin and parameters of anaemia and CKD-MBD among haemodialysis patients: a randomized clinical trial. Sci Rep. 2020 Sep 23;10(1):15500. doi: 10.1038/s41598-020-72385-w.

Related Links

MeSH Terms

Conditions

Kidney Failure, ChronicAnemiaVitamin D DeficiencyBone Diseases, Metabolic

Interventions

CholecalciferolVitamin DOlive Oil

Condition Hierarchy (Ancestors)

Renal Insufficiency, ChronicRenal InsufficiencyKidney DiseasesUrologic DiseasesFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesMale Urogenital DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsHematologic DiseasesHemic and Lymphatic DiseasesAvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic DiseasesBone DiseasesMusculoskeletal DiseasesMetabolic Diseases

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsSecosteroidsMembrane LipidsLipidsDietary Fats, UnsaturatedDietary FatsFatsFats, UnsaturatedPlant OilsOilsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Yoshiharu Tsubakihara, MD, PhD

    Department of Comprehensive Kidney Disease Research, Osaka University Graduate School of Medicine

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

August 10, 2014

First Posted

August 12, 2014

Study Start

August 1, 2014

Primary Completion

March 1, 2016

Study Completion

December 1, 2016

Last Updated

August 31, 2018

Record last verified: 2018-08

Locations