- Conditions
- Cardiovascular Disease
- Interventions
- Not listed
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 2,448 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–15
of 15
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Osteoporosis
- Interventions
- phylloquinone (K1), menatetranone (MK4)
- Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- Female only
- Enrollment
- 375 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2004
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Vitamin K Status
- Interventions
- Phase I, Buccal Swab Collection for DNA Isolation, Phase II, Vitamin K (Vitacost) Supplementation
- Genetic · Dietary Supplement
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 106 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Osteo Arthritis Knee
- Interventions
- Vitamin K1 500 µg, K1 1000 µg, Vitamin K2 (MK-7) 300 µg, Placebo
- Drug · Other
- Lead sponsor
- Boston University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 49 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Osteo Arthritis Knee
- Interventions
- Vitamin K, Placebo
- Dietary Supplement
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts • Worcester, Massachusetts • Chapel Hill, North Carolina
- Conditions
- Osteoporosis, Postmenopausal
- Interventions
- Hesperidin and Calcilock, Hesperidin, Control
- Dietary Supplement
- Lead sponsor
- Purdue University
- Other
- Eligibility
- Female only
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Calciphylaxis, Calcific Uremic Arteriolopathy
- Interventions
- Vitamin K, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Coagulation, Bleeding, Thrombosis
- Interventions
- Phytonadione (Vitamin K1)
- Drug
- Lead sponsor
- St. Joseph's Healthcare Hamilton
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 690 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 2
- States / cities
- Westminster, Colorado • Albuquerque, New Mexico
- Conditions
- Dysmenorrhea, Pain, Menstrual
- Interventions
- Vitamin K acupoint injection, Saline Injection
- Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 25 Years · Female only
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Osteoporosis
- Interventions
- BONISTEIN(R) bone blend, Placebo
- Dietary Supplement
- Lead sponsor
- dsm-firmenich Switzerland AG
- Industry
- Eligibility
- 45 Years to 55 Years · Female only
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Glioblastoma, Glioblastoma Multiforme
- Interventions
- BPM31510, Vitamin K1, Temozolomide (TMZ), Radiation
- Drug · Other · Radiation
- Lead sponsor
- BPGbio
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2030
- U.S. locations
- 11
- States / cities
- Los Angeles, California • Palo Alto, California • Santa Barbara, California + 7 more
- Conditions
- Aging, Osteoporosis
- Interventions
- Vitamin K
- Drug
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Coagulation Delay
- Interventions
- phytonadione
- Dietary Supplement
- Lead sponsor
- James A. Haley Veterans Administration Hospital
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 370 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Pharmacokinetics
- Interventions
- warfarin, vitamin K, midazolam
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2008
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Skin Care
- Interventions
- Skin Care Cream, Placebo
- Combination Product · Drug
- Lead sponsor
- Wayne State University
- Other
- Eligibility
- 20 Years to 60 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Dearborn, Michigan