Comparative Study Menaquinone-7
Comparative Study of Three Delivery Systems of Menaquinone-7
1 other identifier
interventional
107
1 country
1
Brief Summary
The objective of this study is to investigate the absorption of menaquinone-7 from a nutrient-enriched dairy product compared to a general dairy product enriched with menaquinone-7 and a menaquinone-7-containing supplement.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Apr 2012
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2013
CompletedFirst Submitted
Initial submission to the registry
May 30, 2013
CompletedFirst Posted
Study publicly available on registry
June 10, 2013
CompletedJune 13, 2013
June 1, 2013
6 months
May 30, 2013
June 12, 2013
Conditions
Outcome Measures
Primary Outcomes (1)
The change in plasma MK-7 concentration after intervention between the three study groups
baseline and 6 weeks
Secondary Outcomes (1)
The change in circulating markers of vitamin K-status, undercarboxylated osteocalcin and desphospho-uncarboxylated matrix Gla-protein, after intervention between the three study groups.
baseline and 6 weeks
Other Outcomes (1)
The change in circulating vitamin D (25-hydroxy-vitamin D) after intervention between the study groups.
baseline and 6 weeks
Study Arms (3)
basic yogurt enriched with MK-7
ACTIVE COMPARATORone study group will receive daily two basic dairy products enriched with MK-7 (50 μg)
MK-7 containing capsule
ACTIVE COMPARATORone study group will receive daily a softgel capsule consisting of 50 μg MK-7
nutrient enriched yogurt with MK-7
ACTIVE COMPARATORone study group will receive daily two nutrient-enriched dairy products containing extra nutrients and omega-3 FA (fish-oil)
Interventions
Eligibility Criteria
You may qualify if:
- Apparently healthy men and postmenopausal women between 45 and 65 years old
- Subjects with body weight and height according to BMI between 20 and 30 kg/m2
- Subjects of Caucasian race
- Subject has given written consent to take part in the study
You may not qualify if:
- Subjects with hypertension
- Subjects with hypercholesterolemia
- Subjects with (a history of) metabolic or gastrointestinal disease
- Subjects presenting chronic degenerative and/or inflammatory disease
- Subjects with (a history) of diabetes mellitus
- Abuse of drugs and/or alcohol
- Subjects receiving corticosteroid treatment
- Subjects using oral anticoagulants and subjects with clotting disorders
- Subjects using blood pressure-lowering medication
- Subjects using cholesterol-lowering medication
- Subjects using multivitamins or vitamin K supplements
- Subjects consuming high amounts of vitamin K-containing food products
- Subjects with cow's milk allergy and lactose intolerance
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
VitaK BV / Maastricht University Medical Center
Maastricht, 6229 EV, Netherlands
Study Officials
- PRINCIPAL INVESTIGATOR
Cees Vermeer, PhD
VitaK BV Maastricht University
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 30, 2013
First Posted
June 10, 2013
Study Start
April 1, 2012
Primary Completion
October 1, 2012
Study Completion
May 1, 2013
Last Updated
June 13, 2013
Record last verified: 2013-06