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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.

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Filters: Intervention: Phytonadione (Vitamin K1) Clear all

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: 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: 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: 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: 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

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: 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: 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: 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: 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: 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: 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

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: 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: 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