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CompletedNCT04477811Updated Jul 21, 2021

Comparative Study Evaluating the Effect of Vitamin K1 Versus Vitamin K2 on Vascular Calcification in Dialysis Patients

A Phase 2/3 interventional study of Vitamin K1 and Vitamin k2 in End Stage Renal Disease on Dialysis, sponsored by Ain Shams University. Completed at 1 site in Egypt. Open to participants aged 18 Years to 75 Years. Per ClinicalTrials.gov, last updated 2021-07-21.

Sponsored by Ain Shams University · Phase 2/3, Interventional, and Treatment

Phase
Phase 2/3
Study type
Interventional
Enrollment
40
Allocation
Randomized
Ages
18 Years to 75 Years
Sex
All
01

Study summary

To evaluate the effect of supplementation of vitamin K2 (menaquinone, MK-7)vs vitamin k1 on circulating levels of calcification regulators and to assess their safety in patients on regular dialysis patients.

Read the detailed description

Vascular calcification has emerged as an independent risk factor for cardiovascular morbidity and mortality, especially in chronic kidney disease .

It has a predictive value of poor prognoses and clinical outcomes in CKD patients such as overall mortality and even poor arteriovenous graft maturation .

Vitamin K is essential for the activation of matrix Gla protein (MGP), a powerful inhibitor of tissue calcification, functional vitamin K deficiency may contribute to high vascular calcification (VC) burden in haemodialysis patients; this is process in which mineral is pathologically deposited in blood vessels, mainly in large elastic and muscular arteries such as the aorta and the coronary, carotid, and peripheral arteries.

it is Prospective, Randomized,Placebo Controlled Study

02

Conditions studied

  • End Stage Renal Disease on Dialysis
03

Who can participate

Ages eligible
18 Years to 75 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Both sexes aged between 18-75 years
  2. Patients on HD greater than 3 months at least.
  3. Stable clinical condition (no hospitalization in the previous 3 months)

Exclusion criteria

Exclusion Criteria:

  1. Hypersensitivity to vitamin k
  2. Participant in an another clinical trial within the past 4 weeks.
  3. Judged to be unsuitable as a subject by the attending physician.
  4. Patients taking warfarin
  5. Patients with known intestinal malabsorption
  6. Patients with hypercoagulable state
04

Study design

Phase
Phase 2 / Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
40 participants (actual)

Study arms

  • Active comparator
    vitamin k1

    vitamin k1 will be given 10 mg thrice a week for 3 months

    Drug: Vitamin K1

  • Active comparator
    vitamin k2

    vitamin k2 (menaquinone) will be given 90 ug per day orally

    Drug: Vitamin k2

  • Placebo comparator
    placebo

    placebo will be given daily per oral for 3 months

    Other: placebo

Interventions

  • DrugVitamin K1

    vitamin k1 tablets

    Also known as: Phylloquinone

  • DrugVitamin k2

    vitamin k2 45 ug tablets twice daily

    Also known as: menaquinone

  • Otherplacebo

    placebo tablets

05

What researchers measure

Primary outcomes

  1. change in serum level of Uncarboxylated MGP

    Measuring the change in serum level of Uncarboxylated MGP as a marker for calcification

    Time frame: change between baseline and after 3 months

Secondary outcomes

  1. parathyroid hormone

    measuring change in serum PTH

    Time frame: change between baseline and after 3 months

  2. serum calcium level

    measuring the change in serum calcium level

    Time frame: change between baseline and after 3 months

  3. serum phosphate level

    measuring the change in phosphate level

    Time frame: change between baseline and after 3 months

06

Study locations

1 site
  • Ainshams University
    Cairo, 02, Egypt
07

References and documents

Publications

  • Palit S, Kendrick J. Vascular calcification in chronic kidney disease: role of disordered mineral metabolism. Curr Pharm Des. 2014;20(37):5829-33. doi: 10.2174/1381612820666140212194926. PubMed 24533939 ↗
  • McCabe KM, Adams MA, Holden RM. Vitamin K status in chronic kidney disease. Nutrients. 2013 Nov 7;5(11):4390-8. doi: 10.3390/nu5114390. PubMed 24212088 ↗

Individual participant data

Plan to share: No

08

Registry details

Key details

Study ID
NCT04477811
Lead sponsor
Ain Shams University
Responsible party
Sarah Farid (clinical professor, Ain Shams University) — Principal investigator
First posted
Jul 20, 2020
Start date
Jul 25, 2020
Primary completion
Nov 1, 2020
Completion
Jan 1, 2021
Last update
Jul 21, 2021

Study contacts

sarah fahmy
principal investigator · Ain Shams University

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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