None listed
Conditions
Brief summary
Menaquinone in Children (MIC) is a world-first study, being conducted in Western Australia, assessing the effectiveness of a Vitamin K- K2-Mk7 liquid supplement, assessing Vitamin K status using three functional markers as Vitamin K dependent proteins, and determining dietary Vitamin K1 and K2 intake using a new Australian foods Vitamin K database. It is a double-blind randomised control trial for 1 month of Vitamin K versus placebo in 50 healthy children and adolescents aged 4 to 17 years old. The intervention dosing is at 1.5 micrograms per kilogram of bodyweight.
Interventions
Intervention is for 1 month taking daily liquid drops orally of Vitamin K2-Mk7 1.5 micrograms per kilogram of body weight in a home setting. At baseline completing an online food frequency questionnaire. At baseline and 1month- end of study, - providing two non-consecutive days 24 hour dietary intake information - collecting a faecal sample at home in an all in one kit - having a blood sample taken by a paediatric experienced phlebotomist for serum Mk7 and three functional Vitamin K status markers, being protein induced in Vitamin K absence/deficiency (PIVKA-II), undercarboxylated osteocalcin (ucOC)/Osteocalcin (OC)/ ratio (UCR), and undercarboxylated Matrix-Gla protein (uc-MGP) - having a finger reflection spectroscopy reading using a portable Veggie Meter Registered Trademark as RS units - having an anthropometry (weight using scales, height using stadiometer, body composition analysis using a portable stand on Bioelectrical Impedance Analysis machine, waist circumference using a tape measure and hand grip strength using a dynamometer) assessment done Compliance assessment - daily intake record and volume remaining on return of supplement at end of study visit.
Sponsors
Study design
Eligibility
Inclusion criteria
Aged 4 to 17 years of age Healthy - no active diseases Participant plus parent consent and support Able to attend Joondalup Health Campus in person at baseline and 1 month end of study Agreeable to provide two blood samples Agreeable to take supplement drops daily for 1 month Agreeable to provide food intake information Agreeable to collect two faecal samples at home with kit provided
Exclusion criteria
Taking any of the following in the previous month - steroids, anti-coagulant medication, cholesterol lowering medication, antibiotic, high dose Vitamin E supplement and plant sterol supplement, History of Liver disease, Inflammatory Bowel disease, or severe malabsorptive gastrointestinal disease (e.g. Short Bowel Syndrome)