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Found 18 studies with search of: "Vitamin K2"
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Rank Status Study
1 Completed Comparison of Efficacy of Different Dosages Vitamin K2
Conditions: Carboxylation Level;   Vitamin K-dependent Proteins
Interventions: Dietary Supplement: placebo;   Dietary Supplement: vitamin K1;   Dietary Supplement: vitamin K2
2 Recruiting The Effects of Vitamin K2 Supplementation on the Progression of Coronary Artery Calcification
Condition: Coronary Artery Disease
Interventions: Dietary Supplement: Menaquinone-7 (Vitamin K2);   Other: Placebo capsules
3 Completed Arabic Gum-Absorption Study
Condition: Bioavailability
Interventions: Dietary Supplement: menaquinone-7 from casein capsules;   Dietary Supplement: menaquinone-7 from arabic gum capsules;   Dietary Supplement: menaquinone-7 from linseed oil capsules
4 Completed Comparison of Absorption of Vitamin K2
Condition: Healthy
Interventions: Dietary Supplement: Vitamin K2 in softgel;   Dietary Supplement: Vitamin K2 in Gelpell
5 Recruiting Vitamin K2 and Vessel Calcification in Chronic Kidney Disease Patients
Conditions: Kidney Diseases;   Coronary Artery Calcification
Interventions: Drug: Vitamin K2+10μg cholecalciferol;   Drug: Vitamin D
6 Enrolling by invitation Beneficial Effects of Long Term Menaquinone-7
Conditions: Bone Loss;   Arteriosclerosis
Interventions: Dietary Supplement: menaquinone-7;   Dietary Supplement: placebo
7 Completed Safety Study of Vitamin K2 During Anticoagulation in Human Volunteers
Condition: Healthy
Interventions: Drug: acenocoumarol;   Dietary Supplement: menaquinone-7
8 Completed Effects of Omega-3 Fatty Acids and Menaquinone-7 on Thrombotic Tendency
Condition: Atherosclerosis
Interventions: Dietary Supplement: menaquinone-7;   Dietary Supplement: fish oil;   Dietary Supplement: krill oil
9 Not yet recruiting Vitamin K as Additive Treatment in Osteoporosis
Condition: Post-Menopausal Osteoporosis
Interventions: Drug: Phylloquinone;   Drug: Menaquinone (MK4);   Drug: placebo
10 Completed The Effect of Vitamin K2 on Bone Turnover
Condition: Osteoporosis
Intervention: Drug: Menatetrenone (Vitamin K2)
11 Completed Dose-Finding Study for Vitamin K2 in Human Volunteers
Condition: Vitamin K-Status
Interventions: Dietary Supplement: no vitamin K;   Dietary Supplement: 10 mcg Vitamin K for 3 months daily;   Dietary Supplement: 20 mcg Vitamin K for 3 months daily;   Dietary Supplement: 45 mcg Vitamin K for 3 months daily;   Dietary Supplement: 90 mcg Vitamin K for 3 months daily;   Dietary Supplement: 180 mcg Vitamin K for 3 months daily;   Genetic: 360 mcg Vitamin K for 3 months daily
12 Completed Vitamin K2 Supplementation to Activate Matrix Gla Protein (MGP) as Endogenous Inhibitor of Vascular Calcification in Hemodialysis Patients
Condition: CKD 5D, Hemodialysis
Intervention: Dietary Supplement: daily supplementation of MK-7 over 6 weeks
13 Completed The Effect of Vitamin K Supplementation on Osteocalcin Carboxylation in Healthy Children
Condition: Healthy
Intervention: Drug: menaquinone 7
14 Terminated A Phase II/III Clinical Study on Inhibitory Effects of E0167 on Recurrence of Hepatocellular Carcinoma
Condition: Hepatocellular Carcinoma
Interventions: Drug: Menatetrenone;   Drug: Placebo
15 Enrolling by invitation Evaluation of Factors II, VII, IX, X, and Proteins C and S, Following High-dose Vitamin K Supplementation
Condition: Thrombosis
Intervention: Dietary Supplement: Vitamin K, 20mg
16 Completed Vitamin K-absorption From Dairy
Condition: Healthy
Intervention: Dietary Supplement: vitamin K-rich dairy product
17 Completed Natto Supplementation to Prevent Loss of Bone Mass in Women Immediately After Menopause
Condition: Perimenopausal Bone Loss
Interventions: Drug: Natto capsules (food suppl.) cont. 360 microg. vit K2/day;   Drug: Placebo capsules
18 Completed The Effect of Vitamin K Supplementation on Glucose Metabolism
Conditions: Diabetes;   Prediabetic State
Interventions: Drug: Menatetrenone;   Drug: Placebo

† Indicates status has not been verified in more than two years
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