121 studies found for:    vitamin B12 deficiency
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21 Completed Efficacy and Safety Study of Oral Eligen® B12 in Subjects With Low Serum Cobalamin
Condition: Vitamin B 12 Deficiency
Intervention: Other: Vitamin B12 (cyanocobalamin)
22 Completed Cobalamin Absorption From Fortified Food
Conditions: Vitamin B-12 Deficiency;   Achlorhydria
Intervention: Other: 14C-B12 fortified bread
23 Completed Holotranscobalamin Remains Unchanged During Pregnancy
Condition: Vitamin B12 Deficiency
Intervention:
24 Completed Relative Bioavailability of Folic Acid and L-5-Methlytetrahydrofolate
Condition: Vitamin B12 Deficiency
Interventions: Dietary Supplement: L-5-methyltetrahydrofolate (Metafolin ®);   Dietary Supplement: folic acid;   Dietary Supplement: Placebo
25 Terminated Examining B12 Deficiency Associated With C677T Mutation on MTHFR Gene in Terms of Commonness and Endothelial Function
Condition: B12 Deficiency Combined With C677T Mutation on MTHFR Gene
Intervention: Dietary Supplement: Vitamin B12 + Folic Acid
26 Not yet recruiting Vitamin B12, Neurodevelopment and Growth in Nepal
Conditions: Development;   Vitamin Deficiency;   Malnutrition
Intervention: Dietary Supplement: Vitamin B12
27 Completed Vitamin B12 Supplementation During Pregnancy
Conditions: Nutritional Anemia in Mothers.;   Nutritional Anemia in Infants.
Interventions: Dietary Supplement: Vitamin B12;   Dietary Supplement: Placebo
28 Completed
Has Results
Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption
Condition: Disorder of Vitamin B12
Intervention: Dietary Supplement: Vitamin B12
29 Completed Oral Vitamin B12 Supplementation and Cognitive Performance in Elderly People
Conditions: Cognitive Decline;   Cognitive Symptoms
Interventions: Behavioral: vitamin B12 supplementation;   Behavioral: vitamin B12 + folic acid combined supplementation
30 Unknown  Comparison of Vitamin B12 Supplementation to Selective Serotonin Reuptake Inhibitor (SSRI) Versus SSRI Antidepressant Treatment Alone
Condition: Major Depressive Disorder
Intervention: Dietary Supplement: Vitamin B12
31 Completed The Bread Trial: Effects of Bread Fortified With Folic Acid and Vitamin B12
Condition: Healthy
Intervention: Procedure: consumption of fortified bread
32 Active, not recruiting Postoperative Vitamin Supplementation in Morbidly Obese Patient (VITAAL Study)
Conditions: Obesity;   Vitamin Deficiency
Interventions: Dietary Supplement: Fit For me;   Dietary Supplement: Davitamon
33 Completed NAC-003 P.L.U.S. Program (Progress Through Learning Understanding & Support)
Conditions: Early Memory Loss;   Mild Cognitive Impairment;   Alzheimer's Disease;   Vascular Dementia
Intervention: Other: CerefolinNAC®
34 Completed Interaction of Cobalamin Status With Nitrous Oxide in Relation to Postoperative Cognitive Changes in the Elderly
Conditions: Avitaminosis;   Delirium, Dementia, Amnestic, Cognitive Disorders
Intervention: Drug: general anesthesia
35 Recruiting Study of Pylopass Versus Placebo in Subjects Who Are Helicobacter Pylori Carriers and With Mild Indigestion
Condition: HELICOBACTER INFECTION
Interventions: Biological: Pylopass;   Biological: Placebo
36 Recruiting Acid Suppressive Therapy - Review of Appropriateness
Condition: Appropriate Startup of Acid Suppressive Therapy
Interventions: Other: Record review;   Other: AST-history
37 Completed B Vitamin Status in Premature and Small for Gestational Age(SGA) Infants
Conditions: Biochemical Cobalamin Status;   Motor Neurodevelopment
Interventions: Dietary Supplement: Hydroxycobalamin;   Dietary Supplement: Sham injection
38 Not yet recruiting Evaluation of the Efficacy in Decreasing Iron Absorption in Patients With Congenital Dyserythropoietic Anemia Type I by Treatment With LOSEC
Condition: CDA Type I
Intervention: Drug: omeprazole
39 Completed WENBIT - Western Norway B Vitamin Intervention Trial
Conditions: Coronary Artery Disease;   Myocardial Infarction;   Cerebrovascular Stroke
Interventions: Drug: folic acid, vitamin B12 (cyanocobalamin), vitamin B6 (pyridoxine);   Drug: folic acid, vitamin B12 (cyanocobalamin);   Drug: vitamin B6 (pyridoxine);   Drug: placebo
40 Recruiting Impact of Preoperative Treatment of Anemia and Iron Deficiency in Cardiac Surgery on Outcome.
Conditions: Anemia;   Iron Deficiency
Intervention: Drug: Erythropoietin/Ferric carboxymaltose/Vitamin B12/Folic Acid

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Indicates status has not been verified in more than two years