Clinical trials: Vitamin K
Ecchymosis
Effects of Topical Vitamin K, Vitamin K and Retinol, and Arnica on Post-Laser Bruising
The objective of this study is to assess the comparative utility of topical formulations in hastening the resolution of skin bruising.
- Trial name
- NCT00363038
- Testing
- Petrolatum United States Pharmacopeia (USP), Vitamin K and retinol ointment, Arnica ointment
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Atrial Fibrillation
Patient Convenience Study- NIS RELATE
The aim of this non-interventional study is to describe patient's perception of anticoagulant treatment when using Pradaxa® to prevent stroke and systemic embolism while suffering from atrial fibrillation (according to its…
- Trial name
- NCT02849509
- Testing
- Pradaxa (dabigatran), Vitamin K antagonist
- Where
- 50 sites in Indonesia, Malaysia and 3 more
- Volunteers
- 1,313 people
- Sponsor
- Boehringer Ingelheim
Thrombosis
A Study of the Safety and Pharmacokinetics of Apixaban Versus Vitamin K Antagonist (VKA) or Low Molecular Weight Heparin (LMWH) in Pediatric Subjects With Congenital or Acquired Heart Disease Requiring Anticoagulation
To investigate the safety and pharmacokinetics of apixaban in children with congenital or acquired heart disease who have a need for anticoagulation.
- Trial name
- NCT02981472
- Testing
- Apixaban, Vitamin K Antagonist (VKA), Low Molecular Weight Heparin (LMWH)
- Where
- 46 sites in United States, Argentina and 12 more
- Volunteers
- 192 people
- Sponsor
- Bristol-Myers Squibb
Atrial Fibrillation
Edoxaban Treatment Versus Vitamin K Antagonist in Patients With Atrial Fibrillation Undergoing Percutaneous Coronary Intervention
There are insufficient data on the safety and efficacy of edoxaban plus antiplatelet therapy in subjects with atrial fibrillation (AF) following percutaneous intervention (PCI) with stenting.
- Trial name
- ENTRUST-AF-PCI (NCT02866175)
- Testing
- Edoxaban, Clopidogrel, Prasugrel
- Where
- 200 sites in Austria, Belgium and 16 more
- Volunteers
- 1,506 people
- Sponsor
- Daiichi Sankyo Europe, GmbH, a Daiichi Sankyo Company
Persistent or Permanent Nonvalvular Atrial Fibrillation
Long-term Safety in Atrial Fibrillation Patients
The purpose of this study is to provide safety and tolerability data for AZD0837 during long-term treatment (5 years) in patients with non-valvular atrial fibrillation (AF) and one or more additional risk factors for stroke and…
- Trial name
- NCT00645853
- Testing
- AZD0837, VKA INR 2-3
- Volunteers
- 523 people
- Sponsor
- AstraZeneca
Venous Thromboembolism
RE-COVERY DVT/PE: Global Study on Treatment Secondary Prevention of Acute Venous Thromboembolism
RE-COVERY is a large, multi-national, multi-center observational study based on new data collection. The study will enroll and characterize patients within 30 days of being diagnosed with an acute DVT and/or PE.
- Trial name
- NCT02596230
- Where
- 222 sites in United States, Argentina and 35 more
- Volunteers
- 7,797 people
- Sponsor
- Boehringer Ingelheim
Atrial Fibrillation
Edoxaban Treatment Versus Vitamin K Antagonist (VKA) in Patients With Atrial Fibrillation (AF) Undergoing Catheter Ablation
There are insufficient data on the safety and efficacy of edoxaban therapy in subjects with AF following catheter ablation. This phase 3b study is designed to evaluate the safety and to explore the efficacy of an edoxaban-based…
- Trial name
- ELIMINATE-AF (NCT02942576)
- Testing
- Edoxaban, VKA-Based Regimen
- Where
- 75 sites in Belgium, Canada and 9 more
- Volunteers
- 632 people
- Sponsor
- Daiichi Sankyo Europe, GmbH, a Daiichi Sankyo Company
Atrial Fibrillation, Percutaneous Coronary Intervention
A Study Exploring Two Strategies of Rivaroxaban (JNJ39039039; BAY-59-7939) and One of Oral Vitamin K Antagonist in Patients With Atrial Fibrillation Who Undergo Percutaneous Coronary Intervention
The primary purpose of this study is to evaluate the safety for 2 different rivaroxaban treatment strategies and one Vitamin K Antagonist (VKA) treatment strategy utilizing various combinations of dual antiplatelet therapy (DAPT)…
- Trial name
- PIONEER AF-PCI (NCT01830543)
- Testing
- rivaroxaban 2.5 mg, rivaroxaban 15 mg, rivaroxaban 10 mg
- Where
- 348 sites in United States, Argentina and 23 more
- Volunteers
- 2,124 people
- Sponsor
- Janssen Scientific Affairs, LLC
Atrial Fibrillation
A Phase III Study of Apixaban in Patients With Atrial Fibrillation
The purpose of this clinical research study is to determine whether apixaban is more effective than acetylsalicylic acid in the prevention of strokes associated with patients with atrial fibrillation.
- Trial name
- AVERROES (NCT00496769)
- Testing
- Apixaban, Acetylsalicylic acid
- Where
- 503 sites in United States, Argentina and 34 more
- Volunteers
- 6,421 people
- Sponsor
- Bristol-Myers Squibb
Atrial High Rate Episodes
Non-vitamin K Antagonist Oral Anticoagulants in Patients With Atrial High Rate Episodes
NOAH is an investigator-initiated, prospective, parallel-group, double-blind, randomised, multi-centre trial. The objective of the trial is to demonstrate that oral anticoagulation using the NOAC edoxaban is superior to current…
- Trial name
- NOAH (NCT02618577)
- Testing
- Edoxaban, ASA
- Where
- 18 sites in Austria, Belgium and 16 more
- Volunteers
- 2,608 people
- Sponsor
- Atrial Fibrillation Network
Acute Coronary Syndromes
A Study of Apixaban in Patients With Atrial Fibrillation, Not Caused by a Heart Valve Problem, Who Are at Risk for Thrombosis (Blood Clots) Due to Having Had a Recent Coronary Event, Such as a Heart Attack or a Procedure to Open the Vessels of the Heart
The purpose of this study is to determine if Apixaban is safer than a Vitamin K Antagonist given for 6 months in terms of bleeding in patients with an irregular heart beat (atrial fibrillation) and a recent heart attack or a…
- Trial name
- NCT02415400
- Testing
- Apixaban, vitamin K antagonist, Acetylsalicylic acid
- Where
- 626 sites in United States, Argentina and 35 more
- Volunteers
- 4,614 people
- Sponsor
- Bristol-Myers Squibb
Chronic Kidney Disease Stage 3 and 4
Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients
The purpose of this study is to examine the effectiveness of vitamin D3 versus vitamin D2 in raising vitamin D levels and suppressing parathyroid hormone levels in patients with kidney disease who are not on dialysis.
- Trial name
- UPGRADE (NCT01173848)
- Testing
- Ergocalciferol, Cholecalciferol
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- The Cleveland Clinic
Reversal of Coagulopathy
An Open-label, Randomized, Multicenter Phase IIIb Study to Assess the Efficacy, Safety and Tolerance of BERIPLEX® P/N (Kcentra) Compared With Plasma for Rapid Reversal of Coagulopathy Induced by Vitamin K Antagonists in Subjects Requiring an Urgent Surgical Procedure
The purpose of this study is to evaluate efficacy, safety and tolerance of Beriplex® P/N (Kcentra) compared with plasma in regard to rapid reversal of coagulopathy induced by vitamin K antagonists in subjects who require…
- Trial name
- BE1116_3003 (NCT00803101)
- Testing
- Beriplex® P/N (Kcentra), Fresh frozen plasma
- Where
- 30 sites in United States, Belarus and 4 more
- Volunteers
- 176 people
- Sponsor
- CSL Behring
Covid19
Dietary Supplements for COVID-19
This is a double blind, placebo controlled, phase III randomized controlled trial evaluating the effects of the dietary supplements vitamin C, vitamin D, vitamin K, and zinc versus placebo on the overall health, symptom severity…
- Trial name
- NCT04780061
- Testing
- Vitamin D3 50,000 IU, Vitamin C/Zinc, Vitamin K2/D
- Where
- Canada
- Volunteers
- 90 people
- Sponsor
- The Canadian College of Naturopathic Medicine
Venous Thromboembolism
Treatment Patterns and Bleeding Risk of Anticoagulants in Patients With Venous Thromboembolism in Korea
This study is a retrospective, observational, nationwide population-based cohort study utilizing the South Korea's Health Insurance and Review Assessment Service (HIRA) database.
- Trial name
- NCT05022563
- Testing
- Parenteral anticoagulant, Warfarin, Apixaban
- Where
- 2 sites in South Korea
- Volunteers
- 55,759 people
- Sponsor
- Pfizer
Acute Bleeding on Long-Term Anticoagulation Therapy, Hemorrhage
Fixed Versus Variable Dosing of 4-factor Prothrombin Complex Concentrate for Emergent Warfarin Reversal
The goal of this study is to determine if a fixed dose of 4-factor prothrombin complex concentrate (4FPCC) is as effective as the current standard of care.
- Conditions
- Acute Bleeding on Long-Term Anticoagulation Therapy, Hemorrhage, Significant Bleeding in Patients With a Coagulopathy (Prolonged Thrombin Time), Urgent Reversal of Vitamin K Antagonist (VKA) Anticoagulation
- Trial name
- kcentra (NCT03064035)
- Testing
- 4-factor prothrombin complex concentrate (4FPCC)
- Where
- United States
- Volunteers
- 79 people
- Sponsor
- HealthPartners Institute
Atrial Fibrillation
Explore the Efficacy and Safety of Once-daily Oral Rivaroxaban for the Prevention of Cardiovascular Events in Subjects With Nonvalvular Atrial Fibrillation Scheduled for Cardioversion
A study for patients with abnormal heart rhythm (atrial fibrillation) who need to undergo cardioversion (procedure to restore normal heart rhythm).
- Trial name
- X-VERT (NCT01674647)
- Testing
- Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonist (VKA)
- Where
- 178 sites in United States, Belgium and 15 more
- Volunteers
- 1,504 people
- Sponsor
- Bayer
Significant Bleeding Risk
Study of Octaplex, a Four-factor Prothrombin Complex Concentrate (4F-PCC) and Beriplex® P/N (Kcentra) for the Reversal of Vitamin K Antagonist (VKA) Induced Anticoagulation in Patients Needing Urgent Surgery With Significant Bleeding Risk.
To demonstrate that the efficacy of OCTAPLEX as a reversal agent in patients under Vitamin K Antagonist (VKA) therapy with the need for urgent surgery with significant bleeding risk is clinically non-inferior to that Beriplex®…
- Trial name
- NCT02740335
- Testing
- Octaplex, Beriplex P/N (Kcentra)
- Where
- 86 sites in United States, Belarus and 9 more
- Volunteers
- 208 people
- Sponsor
- Octapharma
Post-Menopausal Osteoporosis, Post-Menopausal Osteopenia
Vitamin K Supplementation in Post-Menopausal Osteopenia
The purpose of this study is to determine whether supplementation with 5 mg vitamin K daily over a 2-year period will prevent bone loss in post-menopausal women with osteopenia.
- Trial name
- NCT00150969
- Testing
- vitamin K1 (phylloquinone)
- Where
- 5 sites in Canada
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Reversal of Anticoagulant Treatment
Study of Octaplex (Human Prothrombin Complex Concentrate) and Fresh Frozen Plasma in Patients Under Vitamin K Therapy Antagonist Needing Urgent Surgery or Invasive Procedures
The purpose of this study is to determine whether Octaplex (human prothrombin complex concentrate) can reverse the effects of anticoagulants when compared to the standard treatment of fresh frozen plasma (FFP).
- Trial name
- NCT00618098
- Testing
- Octaplex (human prothrombin complex concentrate), Fresh frozen plasma
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Octapharma