Clinical trials: Vitamin B-12 Deficiency
Megaloblastic Anemia Nos, Pernicious Anemia
Megadose of Hydroxocobalamin for the Treatment of Pernicious Anemia
Demonstrate the effectiveness of a single dose of a multivitamin complex for the treatment of megaloblastic anemia
- Trial name
- NCT03372447
- Testing
- Hydroxocobalamin 10,000mcg, Thiamin 100mg, Pyridoxine 50mg
- Where
- Mexico
- Volunteers
- 13 people
- Sponsor
- Hospital Universitario Dr. Jose E. Gonzalez
Vitamin B 12 Deficiency
Dried Purple Laver (Nori) as a Food Source of Vitamin B12 in Vegetarians
This is an intervention study aiming to understand the bioavailability of vitamin B12 from nori for vegetarians.
- Trial name
- NCT05614960
- Testing
- Dried purple laver (Nori)
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Fu Jen Catholic University
Child Developmental Delay, Child Malnutrition
Maternal B12 Supplementation to Improve Infant B12 Deficiency and Neurodevelopment
Vitamin B12 plays a key role in the development and normal functioning of the brain and nervous system. Unborn and new-born infants derive their vitamin B12 stores almost entirely from maternal B12 stores.
- Conditions
- Child Developmental Delay, Child Malnutrition, Maternal Exposure, Vitamin B 12 Deficiency
- Trial name
- MATCOBIND (NCT03783104)
- Testing
- B12 Supplement
- Where
- 2 sites in India, Nepal
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- University College, London
Nutritional Status, Nutrient Deficiency
Adults Nutrition as a Protective or Health-risk Factor
To obtain up-to-date data on nutrient intakes in adults, a national dietary survey - the EU Menu study will be conducted during 12 consecutive months in 2017/2018, providing data on the consumption of foods and enabling the…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NUTRIHEALTH (NCT03284840)
- Testing
- Assessement of nutritional status, Thyroid size
- Where
- 3 sites in Slovenia
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
Autoimmune Diseases, Helicobacter Pylori Gastritis
Pyloric or Pseudopyloric Metaplasia of the Corpus Mucosa in Autoimmune Gastritis
The study is aimed to investigate the different rates of pyloric/ pseudopyloric metaplasia or spasmolytic polypeptide-expressing metaplasia (SPEM) of corpus between autoimmune gastritis and H. pylori-infected non-ulcer dyspepsia.
- Conditions
- Autoimmune Diseases, Helicobacter Pylori Gastritis, Anemia, Pernicious, Metaplasia
- Trial name
- PM_in_AIG (NCT05238181)
- Testing
- Assess pyloric or pseudopyloric metaplasia of corpus by H&E stains, Assess pyloric or pseudopyloric metaplasia of corpus by TFF2 immunohistochemistry stains, The assessment of corpus-predominant gastritis index (CGI), Operative Link for Gastritis Assessment (OLGA), and Operative Link on Gastric Intestinal Metaplasia assessment (OLGIM)
- Where
- Taiwan
- Volunteers
- 300 people
- Sponsor
- National Cheng-Kung University Hospital
Vitamin B 12 Deficiency
Cobalamin Status in Young Children With Developmental Delay
During fetal life and infancy, an adequate cobalamin status is important for normal growth and central nervous system development.
- Trial name
- NCT00710138
- Testing
- Hydroxycobalamin (Vitamin B12 Depot, Nycomed Pharma)
- Where
- Norway
- Volunteers
- 100 people
- Sponsor
- Haukeland University Hospital
Vitamin A Deficiency, Iron-deficiency
Effect of Household Use of Multiple Micronutrient-fortified Bouillon on Micronutrient Status Among Women and Children in Two Districts in the Northern Region of Ghana
Background: Micronutrient (MN) deficiencies are severe and widespread in West Africa, particularly among young children and women of reproductive age.
- Conditions
- Vitamin A Deficiency, Iron-deficiency, Folate Deficiency, Vitamin B 12 Deficiency
- Trial name
- NCT05178407
- Testing
- Multiple micronutrient-fortified bouillon cube, Control bouillon cube (iodine-only)
- Where
- Ghana
- Volunteers
- 2,372 people
- Sponsor
- University of California, Davis
Vitamin B12 Deficiency
Vitamin B12 Supplementation Study
We hope to learn the clinical and functional signs of sub-clinical vitamin B12 deficiency and its response to supplementation in non-anemic, non-pregnant, and non-lactating women in Rural Mexico.
- Trial name
- NCT00826657
- Testing
- Vitamin B12
- Where
- Mexico
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Deficiency Vitamins
Micronutrient Status During Pregnancy
An adequate micronutrient status during fetal life and infancy is important for optimal development. Dietary practices during pregnancy, lactation and infancy vary among populations and there is today no clear agreement on what…
- Trial name
- NCT03272022
- Volunteers
- 272 people
- Sponsor
- Haukeland University Hospital
Vitamin B 12 Deficiency
Cobalamin Deficiency - Diagnosis and Therapy
In a retrospective study with existing values of vitamin B12 and holotranscobalamin 4 strategies are simulated and the results and costs are compared. Generally, cobalamin ist substituted by intramuscular administration.
- Trial name
- NCT04243707
- Where
- Switzerland
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Folate Deficiency, Iodine Deficiency
Acceptability and Nutritional Impact of Double-fortified Salt Containing Iodine and Folic Acid
The overarching objective of this two-phase project is to assess the effects of fortifying iodized salt with folic acid on improving women's folate status.
- Conditions
- Folate Deficiency, Iodine Deficiency, Anemia Macrocytic, Anemia Deficiency
- Trial name
- DFS-IoFA-2 (NCT06223854)
- Testing
- Iodized salt, Experimental: Iodized salt with lower-dose folic acid fortification, Experimental: Iodized salt with higher-dose folic acid fortification
- Where
- Ethiopia
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Type 2 Diabetes, Vitamin B12 Deficiency
Effect of Vitamin B12 Supplementation on Glycaemic Control in Uncontrolled Hyperhomocysteinemic Type 2 Diabetic Patients
Increased plasma homocysteine level is associated with macroangiopathy and nephropathy in type 2 diabetes. Also increased levels of serum homocysteine are associated with microalbuminuria which is associated with increased…
- Conditions
- Type 2 Diabetes, Vitamin B12 Deficiency, Hyperhomocysteinemia
- Trial name
- NCT02540642
- Testing
- METHYLCOBALAMIN 500 micrograms
- Where
- India
- Volunteers
- 38 people
- Sponsor
- Smt. Kashibai Navale Medical College and General Hospital
Macrocytic Anemia With Vitamin B12 Deficiency
Transdermal Iontophoresis of Vitamin B12 Under Three Different Skin Preparations
STUDY DESIGN: Phase I Clinical Trial The researchers set out to assess the effectiveness of transdermal iontophoretic administration of Vitamin B12 (V.B12) under three different skin preparatory conditions. SETTING: James J.
- Trial name
- NCT04027959
- Testing
- Vitamin B12
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Vitamin B12 Deficiency
Supplementary Vitamin B12 Effects on Elevated Homocysteine Levels of Vegetarians - Clinical Trial
Vegetarians are known to be deficient in vitamin B12, due to a lack or absence of dietary animal produce, which can elevate homocysteine.
- Trial name
- NCT01661309
- Testing
- Inactive lozenge, Methylcobalamin
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of West London
Organic Acidemia, Methylmalonic Acidemia
Clinical and Laboratory Study of Methylmalonic Acidemia
Methylmalonic acidemia (MMA), one of the most common inborn errors of organic acid metabolism, is heterogeneous in etiology and clinical manifestations.
- Conditions
- Organic Acidemia, Methylmalonic Acidemia, Inborn Errors of Metabolism
- Trial name
- NCT00078078
- Where
- 3 sites in United States
- Volunteers
- 2,275 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Vitamin B 12 Deficiency
Effect of Daily Consumption of Vitamin B12 Fortified Yoghurt on Vitamin B12 Status in Older Adults
Older adults are recommended to meet their daily vitamin B12 (B12) requirements by consuming foods with added B12 and/or taking B12 supplements (i.e.
- Trial name
- NCT05993962
- Testing
- Fortified yoghurt, Control yoghurt
- Where
- 2 sites in Canada
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of British Columbia