Clinical trials: Vitamin K 2
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.
Healthy
Pharmacokinetics of Omega-3 Monoglycerides
North American diets have insufficient omega-3 fatty acid (n-3 FA) content. Consequently, they display low plasma concentrations of docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), the two main long chain n-3 FA.
- Trial name
- NCT04382027
- Testing
- Omega-3 + vitamin K2 (monoacylglycerol form), Omega-3 + vitamin K2 (ethyl ester)
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Perimenopausal Bone Loss
Natto Supplementation to Prevent Loss of Bone Mass in Women Immediately After Menopause
Study Objective: To determine whether Natto supplementation in women immediately after menopause might prevent severe bone loss Study population: Women 50 - 60 years, 1-5 years after menopause Study Design: Double-blind…
- Trial name
- NCT00290212
- Testing
- Natto capsules (food suppl.) cont. 360 microg. vit K2/day
- Where
- 2 sites in Norway
- Volunteers
- 304 people, healthy volunteers welcome
- Sponsor
- University Hospital of North Norway
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
Carboxylation Level, Vitamin K-dependent Proteins
Comparison of Efficacy of Different Dosages Vitamin K2
Vitamin K is a group name for a number of compounds: K1 is present in chloroplasts in green vegetables, K2 is of microbial origin.
- Trial name
- NCT01194778
- Testing
- vitamin K1, vitamin K2
- Where
- Netherlands
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Atrial Fibrillation, Venous Thromboses
Pharmacogenetic Dosage Algorithm for Acenocoumarol
The use of coumarins has been a challenge for doctors because of its narrow therapeutic range and they show great inter and intra-individual variability in the dose necessary to achieve an international normalized ratio (INR)…
- Conditions
- Atrial Fibrillation, Venous Thromboses, Cardiac Valve Disease
- Trial name
- NCT03015025
- Testing
- Acenocoumarol
- Where
- Spain
- Volunteers
- 340 people
- Sponsor
- Instituto de Investigación Hospital Universitario La Paz
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
Thrombosis
Vitamin K2 Intervention in Patients With Vitamin K Antagonists
The objective of the SAFE K study is to demonstrate that in patients treated with the antagonists of vitamin K (VKA), a daily intake of vitamin K2 (75 micrograms/day) as naturally produced by the ferments used in fermented dairy…
- Trial name
- SAFEK (NCT01533441)
- Testing
- Vitamin K2
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Danisco
Skin Aging of Face and Neck
The Skin Anti-Aging Effects of Vitamin K2 (MK-7): a Clinical Split-Face/Neck Trial
The goal of this clinical trial is to evaluate the efficacy of a facial and neck cream containing Vitamin K2 in improving skin hydration, elasticity, firmness, and reducing wrinkles in 36 female participants aged 35-60 years with…
- Trial name
- NCT07403942
- Testing
- Face-and-Neck Cream (with 0.05% Vitamin K2)
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Nanjing Ascend Biotech Technology Co., Ltd.
Vitamin K Supplementation, Endstage Renal Disease
Effect of Vitamin K2 (MK7) on Cardiovascular and Bone Disease in Dialysis Patients
Cardiovascular disease (CVD) is the most frequent cause of death in patients (ptt.) with chronic kidney disease (CKD). Compared to the general population death due to CVD is 10-20 times higher in CKD ptt.
- Conditions
- Vitamin K Supplementation, Endstage Renal Disease, Cardiovascular Disease, Bone Disease
- Trial name
- RenaKvit (NCT02976246)
- Testing
- Vitamin K2 (MK7)
- Where
- Denmark
- Volunteers
- 123 people
- Sponsor
- Zealand University Hospital
Obesity, Insulin Resistance
Vitamin K and Glucose Metabolism in Children at Risk for Diabetes (Vita-K 'n' Kids Study)
The undercarboxylated fractions of the two vitamin K-dependent proteins osteocalcin and matrix Gla protein have been shown to play key roles in type 2 diabetes and cardiovascular disease (at least in mouse models).
- Conditions
- Obesity, Insulin Resistance, Insulin Sensitivity, Prediabetes
- Trial name
- NCT01972113
- Testing
- Low-Dose Vitamin K2 (menaquinone-7; 45 mcg/d), High-Dose Vitamin K2 (menaquinone-7; 90 mcg/d)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Augusta University
Atrial Fibrillation
Oral Anticoagulation in Hemodialysis
The investigators refer to the trial with clinicaltrials.gov indentifier NCT02610933 entitled Effect on Vascular Calcification of Replacing Warfarin by Rivaroxaban With or Without VitK2 in Hemodialysis Patients.
- Trial name
- NCT03799822
- Testing
- Rivaroxaban 10 MG Oral Tablet, MK-7 2000µg thrice weekly, Vitamin K Antagonist - Drug
- Where
- Belgium
- Volunteers
- 132 people
- Sponsor
- Onze Lieve Vrouw Hospital
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.
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
Vitamin k2 in Type 2 DM
Relation Between Plasma Vitamin K2 and Glycemic Control and Metabolic Parameters in Type 2 Diabetic Patients.
Background and Rationale: The agents inducing type 2 diabetes are yet to be clarified. Current studies show that several genetic and environmental parameters are associated with type 2 diabetes .
- Trial name
- NCT04387019
- Testing
- blood sampling
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Cairo University
Atrial Fibrillation (AF), Stroke (in Patients With Atrial Fibrillation)
DOAC or VKA in Patients With AF and Stroke While on DOAC - a Pilot Trial
People with atrial fibrillation who have a stroke while receiving a DOAC are at increased risk of experiencing another stroke. Physicians do not know the best medication to prevent another stroke in this group of people.
- Trial name
- SWITCH-AF (NCT07011095)
- Testing
- VKA, Direct Oral Anticoagulant (DOAC)
- Volunteers
- 100 people
- Sponsor
- Population Health Research Institute
Kidney Diseases, Coronary Artery Calcification
Vitamin K2 and Vessel Calcification in Chronic Kidney Disease Patients
Vessel calcification is a recognised cardiovascular morbidity risk factor in patients with chronic kidney disease (CKD). Recent reports indicate a significant role of Matrix Gla-protein (MGP) in decreasing calcification…
- Trial name
- CACSK2 (NCT01101698)
- Testing
- Vitamin K2+10μg cholecalciferol, Vitamin D
- Where
- Poland
- Volunteers
- 60 people
- Sponsor
- Medical University of Lodz
Pediatrics Nephrology
The Role of Vitamin K2 in Preventing Glucocorticoid-Induced Bone Loss in Children With Nephrotic Syndrome
Long-term glucocorticoids therapy is associated with various complications, including decreased bone strength (Glucocorticoid-induced osteoporosis) and an increased risk of fracture.
- Trial name
- NCT07206537
- Testing
- Vitamin K 2
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Ain Shams University
Arterial Calcification, Diabetes Mellitus Type 2
A Randomized, Placebo-controlled, Double Blind Trial to Investigate Whether Vitamin K2 Can Influence Arterial Calcification in Patients With Type 2 Diabetes
Arterial calcification is an independent predictor of coronary events associated with a 3-4 fold increased risk of cardiovascular events. Currently, no effective intervention exists to reduce arterial calcification.
- Trial name
- Vitacal (NCT02839044)
- Testing
- Menaquinone-7
- Where
- Netherlands
- Volunteers
- 68 people
- Sponsor
- UMC Utrecht
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