Clinical trials: Vitamin K 2
Hepatocellular Carcinoma
A Phase II/III Clinical Study on Inhibitory Effects of E0167 on Recurrence of Hepatocellular Carcinoma
The purpose of this study is to determine the superiority of inhibitory effects and safety of Menatetrenone (E0167) on recurrence in patients with hepatocellular carcinoma.
- Trial name
- NCT00165633
- Testing
- Menatetrenone
- Where
- 30 sites in Japan
- Volunteers
- 540 people
- Sponsor
- Eisai Limited
Muscle Atrophy, Cachexia
Vitamin K2 Supplements for Muscle Recovery
Ankle injury is one of the most common injuries which can have long term consequences. Ankle immobilization is often applied for up to six weeks to ensure healing of the soft tissue and fractured bones after such an injury.
- Trial name
- Recovery (NCT05161975)
- Testing
- Vitamin K2
- Where
- 2 sites in Lithuania
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Lithuanian Sports University
Valvular Heart Disease
RIvaroxaban for Valvular Heart diseasE and atRial Fibrillation Trial -RIVER Trial
RIvaroxaban for Valvular heart diseasE and atRial fibrillation trial (RIVER trial).
- Trial name
- NCT02303795
- Testing
- Rivaroxaban, Warfarin
- Where
- Brazil
- Volunteers
- 1,005 people
- Sponsor
- Hospital do Coracao
Oxidative Stress, Inflammation
Antioxidant Effect of Ozonated Vegetable Oil and Vitamins in Moderately Active Subjects
The purpose of this pilot study is to evaluate the antioxidant effect of a nutraceutical formulation based on vegetable oil and vitamin complex (vitamin K2 and vitamin B9) in subjects with the same level of physical activity (LAF…
- Trial name
- ANTIOX001 (NCT05592509)
- Testing
- Ozonized vegetable oil with vitamines
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- S&R Farmaceutici S.p.A.
Atrial Fibrillation, Cardiac Thrombus
VKORC1 and CYP2C9 Gene Polymorphisms and Warfarin Management
The investigators aimed to use pharmacogenetic information in clinical practise which may lead to rapid, efficient, and safe warfarin dosing in this observational prospective study.
- Conditions
- Atrial Fibrillation, Cardiac Thrombus, Deep Vein Thrombosis, Pulmonary Embolism
- Trial name
- NCT00970892
- Testing
- Warfarin dose titration
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people
- Sponsor
- Ankara University
Aortic Valve Stenosis, Bicuspid Aortic Valve
Bicuspid Aortic Valve Stenosis and the Effect of vItamin K2 on Calciummetabolism on 18F-NaF PET/MRI
Early development of calcified aortic valve disease (CAVD) is a commonly occurring complication in patients with a bicuspid aortic valve (BAV, an aortic valve consisting of two leaflets instead of three).
- Trial name
- BASIK2 (NCT02917525)
- Testing
- Vitamin K2
- Where
- Netherlands
- Volunteers
- 44 people
- Sponsor
- Maastricht University Medical Center
Healthy
The Efficacy of Vitamin K2 n Human Osteoporosis, Blood-vessel Calcification and Sclerosis
This study used the generally recognized as safe (GRAS) grade of Bacillus subtilis natto to produce Vitamin K2, Menaquinone-7(MK-7), via fermentation, for functional evaluation.
- Trial name
- NCT01928134
- Testing
- Vit K2+ Vit D3+ calcium carbonate (CaCO3), Vit K2+CaCO3
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Changhua Christian Hospital
Kidney Calculi, Calcium Oxalate Kidney Stones
Evaluating the Vitamin K2 Status of Calcium-based Stone Formers
This is an observation, single site-study with one study visit during which all data and samples will be collected. Study participants will be asked to provide blood, urine, and fecal samples so that the investigators may study…
- Conditions
- Kidney Calculi, Calcium Oxalate Kidney Stones, Vitamin K 2, Human
- Trial name
- NCT05081960
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Blood Coagulation Disorders
PRospective Evaluation Comparing Initiation of Warfarin StrategiEs (PRECISE): Pharmacogenetic-guided Versus Usual Care
Warfarin (also called Coumadin®) is an anticoagulant drug (blood thinner) given to patients to help prevent blood clots from forming or to help prevent the growth of an existing blood clot.
- Trial name
- NCT00377143
- Testing
- Warfarin Dosing
- Where
- United States
- Sponsor
- University of Florida
Carotid Plaques
Vitamin K2 for Reduction the Calcium at Carotid Bifurcation in Patients With Subcritical Lesions
Clinical study single center, prospective, randomized, controlled (vs. no supplement), open-label, blinded assessor (the doctor who will perform the Doppler ultrasound at 6 and 12 months will not know the treatment given to the…
- Trial name
- NCT02970084
- Testing
- Nutraceutical product based on vitamin K2 (PLAK2)
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- Scientific Institute San Raffaele
End Stage Renal Disease
Effect of Vitamin K 2 on Vascular Calcification in Hemodialysis Patients
The aim of this study is to assess the effect of supplementation of vitamin K2 (menaquinone, MK-7) and cholecalciferol (inactive vitamin D) on circulating levels of calcification regulators and to assess their safety in pediatric…
- Trial name
- NCT04145492
- Testing
- Vitamin K2, Cholecalciferol (inactive vitamin D), Vitamin K2 and Cholecalciferol
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Ain Shams University
Coronary Artery Disease, Carotid Artery Disease
Effects of VitamIN K2 and D3 supplementaTion on PET/MRI in Carotid Artery Disease
Atherosclerosis is a disease of the arteries and is the result of various factors such as high blood cholesterol or diabetes, which lead to accumulations of fats, cells, and calcium deposits (i.e. plaques).
- Trial name
- INTRICATE (NCT04010578)
- Testing
- MK-7 and vitamin D3
- Volunteers
- 52 people
- Sponsor
- Academisch Ziekenhuis Maastricht
Arterial Stiffness, Vitamin K2 Deficiency
Vitamin K2 Supplementation and Arterial Stiffness in the Renal Transplant Population (The KING Trial)
This study is a single arm, single center clinical trial that aims to evaluate the effect of 8 weeks of vitamin K2 replacement (360 mcg/day) on the progression of arterial stiffness in stable renal transplant patients.
- Trial name
- KING (NCT02517580)
- Testing
- Vitamin K2 (MK7)
- Where
- Lebanon
- Volunteers
- 60 people
- Sponsor
- Lebanese American University
Thromboembolism
Applying Pharmacogenetic Algorithms to Individualize Dosing of Warfarin
The purpose of this study is to determine whether DNA analysis improves the efficiency of dosing and safety in patients who are being started on warfarin therapy.Warfarin, a blood thinner (anticoagulant) prescribed to 1-2 million…
- Trial name
- Coumagen-II (NCT00927862)
- Testing
- IWPC adapted genotype-guided dosing algorithm for warfarin, Modified IWPC genetic-guided warfarin dosing algorithm, Standard of care treatment
- Where
- United States
- Volunteers
- 2,415 people
- Sponsor
- Intermountain Health Care, Inc.
Atopic Dermatitis
Effect of vitk2 on Atopic Dermatitis Pediatrics Patients
investigate the effectiveness and safety of adding vitamin K2 at a dose of 45 mg/day for 12 weeks to conventional therapy for paediatric patients with moderate to severe atopic dermatitis according to SCORAD score
- Trial name
- NCT07574242
- Testing
- vit k2
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- October 6 University
Fracture Healing, Vitamin D3
The Vitamin K2 and D3 Intervention Trial in Children and Adolescents With the Low-energy Fractures
a prospective, three- month, randomized, double-blind, placebo-controlled, intervention trial (RDBPC), investigating the effect of vitamin K2 (menaquinone-7) and vitamin D3 on the healing process of low-energy bone fractures in…
- Conditions
- Fracture Healing, Vitamin D3, Deficiency of Vitamin K2
- Trial name
- NCT03871322
- Testing
- Vitamin D and K2 supplementation, Vitamin D supplementation
- Where
- Poland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Anticoagulation Treatment Overdose, Heart Valve Diseases
A Trial of Genotype-based Warfarin Initiation in Patients With Mechanical Prosthetic Heart Valve
Until very recently, warfarin is still the best drug of choice for long-term anticoagulation for patients with mechanical prosthetic heart valve.
- Trial name
- SYSU-WARFA (NCT01633957)
- Testing
- Genotype-based Warfarin Initiation model, clinical factor-based warfarin initiation model
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Xi Zhang
Bioavailability
Arabic Gum-Absorption Study
Previous studies have indicated that menaquinone-7 (MK-7) is the most effective form of vitamin K. The Japanese soya product natto is one of the richest food sources of MK-7, but its taste is not appreciated by the Western…
- Trial name
- NCT00858767
- Testing
- menaquinone-7 from casein capsules, menaquinone-7 from arabic gum capsules, menaquinone-7 from linseed oil capsules
- Where
- Netherlands
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Vascular Calcification
Effect on Vascular Calcification of Replacing Warfarin by Rivaroxaban With or Without VitK2 in Hemodialysis Patients
This study examines patients on chronic hemodialysis with non-valvular atrial fibrillation, who have a CHA2DS2-VASc Score of ≥ 2 and therefore are candidates for or already receive a vitamin K antagonist.
- Trial name
- NCT02610933
- Testing
- rivaroxaban, Vitamin K2
- Where
- Belgium
- Volunteers
- 117 people
- Sponsor
- Onze Lieve Vrouw Hospital
Socket Preservation
The Local Effect of Vitamin K2 on Bone Remodeling in Socket Preservation
This study is a randomized controlled trial comparing the effects of socket grafting with crushed vitamin K2 (menaquinone)capsules versus no grafting on bone density and socket dimensions following tooth extraction.
- Trial name
- NCT06707909
- Testing
- Menaquinone
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University