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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02679833
Other study ID # B12 status after toothpaste
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 2014
Est. completion date December 2015

Study information

Verified date May 2018
Source Saarland University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A 3 months randomized, placebo-controlled study on the effect of toothpaste fortified with vitamin B12 on vitamin B12 status markers and related metabolic markers. The primary outcome variable is the difference in the change of methylmalonic acid after 3 months between the two study arms.


Recruitment information / eligibility

Status Completed
Enrollment 180
Est. completion date December 2015
Est. primary completion date December 2015
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria:

- Adults: men and women

- Stable diet for at least 24 months (omnivorous or a vegan diet).

Exclusion Criteria:

- Pregnancy and lactation

- Malabsorption disorders (Crohn disease, chronic gastritis, pernicious anemia, gastric or intestinal resection)

- Renal diseases

- Liver diseases

- Patients with cancer (or cancer history)

- Pre-study treatment with vitamin B12 or folate

Study Design


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
Placebo
Toothpaste not containing the vitamin.
Cyanocobalamin
Toothpaste containing100 µg cyanocobalamin/g.

Locations

Country Name City State
Germany Institute of Alternative and Sustainable Nutrition Giessen
Germany University of Saarland Homburg Saarland

Sponsors (2)

Lead Sponsor Collaborator
Saarland University Institute of Alternative and Sustainable Nutrition (IFANE)

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary The change in plasma concentrations of methylmalonic acid Lowering methylmalonic acid in the B12 arm compared with the placebo arm Baseline, 3 months
Primary The change in plasma concentrations of holotranscobalamin The effect on increasing holotranscobalamin in the B12 arm compared with the placebo arm Baseline, 3 months
Primary The change in plasma concentrations of homocysteine Lowering homocysteine in the B12 arm compared with the placebo arm Baseline, 3 months
Primary The change in plasma concentrations of vitamin B12 The effect on increasing plasma vitamin B12 in the B12 arm compared with the placebo arm Baseline, 3 months
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