ArticleFujita medical journal2021
Vitamin K2 supplementation and the progression of abdominal aortic calcification in dialysis patients.
Article in Fujita medical journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- Effects of vitamin K supplementation on vascular calcification in chronic kidney disease: A systematic review and meta-analysis of randomized controlled trials.Frontiers in nutrition · 2022Pooled it
- Ten tips on how to deal with calciphylaxis patients.Clinical kidney journal · 2025Review
- Vitamin K for Vascular Calcification in Kidney Patients: Still Alive and Kicking, but Still a Lot to Learn.Nutrients · 2024Review
- The relationship between dietary vitamin B1 intake and severe abdominal aortic calcification among the general population in the United States.Frontiers in cardiovascular medicine · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesVascular calcification is common in patients with advanced chronic kidney disease (CKD) and contributes to cardiovascular disease. Accumulating evidence indicates that CKD patients often acquire subclinical vitamin K deficiency, which is associated with vascular calcification.
methodsThis prospective, randomized, parallel group, multicenter trial (UMINID000011490) will include 200 dialysis patients in an open-label, two-arm design. After baseline computed tomography of the abdominal aorta, patients will be randomized to two groups that will either (1) continue receiving standard care or (2) receive additional oral supplementation with menatetrenone (45 mg/day). The treatment duration will be 24 months, and the computed tomography scan will be repeated after 12 and 24 months. The primary endpoint is the progression of abdominal aortic calcification, which is calculated as absolute changes based on the Agatston score. The secondary endpoints are the decrease in bone mineral density (measured by dual-energy X-ray absorptiometry), the biomarkers associated with vitamin K, vitamin K intake (evaluated by the food frequency questionnaire), and the biomarkers associated with vascular calcification.
conclusionsThis study aims to confirm whether vitamin K has inhibitory effects on calcification that can be clinically determined.
trial registrationUMINID000011490.
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Registered trials
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