Clinical trials: Vitamin K
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
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
Aging, Osteoporosis
Determinants of Vitamin K Metabolism
The purpose of this study is to learn how the body responds to different amounts of vitamin K in the diet in order to understand the roles that vitamin K may have in the body.
- Trial name
- NCT00336232
- Testing
- Vitamin K
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Tufts University