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69 studies found for:    vitamin B12 deficiency

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Rank Status Study
1 Completed Oral Vitamin B12 Administration for Vitamin B12 Deficiency After Total Gastrectomy
Condition: Vitamin B12 Deficiency
Intervention: Drug: mecobalamin
2 Completed Long-term Use of Proton Pump Inhibitors May Cause Vitamin B12 Deficiency in the Institutionalized Elderly
Condition: Vitamin B12 Deficiency
Interventions: Other: blood collection;   Drug: treatment (cyanocobalamin nasal spray)
3 Completed Metformin Use and Vitamin B12 Deficiency
Conditions: Vitamin B12 Deficiency;   Type 2 Diabetes Mellitus
Intervention:
4 Not yet recruiting Oral/Intramuscular B12 to Treat Cobalamin Deficiency
Condition: Vitamin B 12 Deficiency
Interventions: Drug: oral Cobalamin (vitamin B12);   Drug: intramuscular Cobalamin (vitamin B12)
5 Completed Can Recombinant Human Intrinsic Factor Be Used for Evaluation of the Vitamin B12 Absorption?
Condition: Vitamin B12 Deficiency
Intervention: Drug: Recombinant human intrinsic factor
6 Completed Cobalamin Status in Young Children With Gastrointestinal Symptoms or Feeding Problems
Condition: Vitamin B 12 Deficiency
Intervention: Dietary Supplement: Hydroxycobalamin (Vitamin B12 Depot, Nycomed Pharma)
7 Completed Cobalamin Status in Young Children With Developmental Delay
Condition: Vitamin B 12 Deficiency
Intervention: Dietary Supplement: Hydroxycobalamin (Vitamin B12 Depot, Nycomed Pharma)
8 Unknown † How Many Patients Are in Need of Vitamin B12 Injections?
Condition: Vitamin B12 Deficiency
Intervention: Drug: vitamin B12
9 Completed The Association Between Religious Origin and Age, and Vitamin B12 and Folic Acid Plasma Levels in Non Jewish Population in Western Galilee
Conditions: Vitamin B12 Deficiency;   Folic Acid Deficiency
Intervention: Other: Blood Sample
10 Completed Vitamin B12 Supplementation Study
Condition: Vitamin B12 Deficiency
Intervention: Dietary Supplement: Vitamin B12
11 Completed The Role of Methycobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia.
Condition: Dementia With Vitamin B12 Deficiency
Intervention: Drug: Mecobalamin
12 Completed The Role of Methylcobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia ?
Condition: Dementia
Intervention: Drug: methylcobal
13 Completed Impact of Vitamin b12 Replacement on Epogen Requirements in Hemodialysis Patients and Impact on Quality of Life
Conditions: Vitamin B 12 Deficiency;   End Stage Renal Disease
Intervention: Drug: Vitamin B12 injections monthly
14 Completed Cobalamin Supplementation During Infancy; Effect on B-Vitamin Status, Growth and Psychomotor Development
Condition: Vitamin B 12 Deficiency
Intervention: Drug: Hydroxycobalamin (Vitamin B12 Depot, Nycomed Pharma)
15 Recruiting Supplementary Vitamin B12 Affects on Elevated Homocysteine Levels of Vegetarians - Clinical Trial
Condition: Vitamin B12 Deficiency
Interventions: Dietary Supplement: Inactive lozenge;   Dietary Supplement: Methylcobalamin
16 Not yet recruiting Vitamin B12 Acceptance and Biomarker Response Study
Condition: Vitamin B 12 Deficiency
Interventions: Drug: Oral administration of vitamin B12;   Drug: i.m. injection of vitamin B12
17 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)
18 Completed Holotranscobalamin Remains Unchanged During Pregnancy
Condition: Vitamin B12 Deficiency
Intervention:
19 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
20 Recruiting Cobalamin Absorption From Fortified Food
Conditions: Vitamin B-12 Deficiency;   Achlorhydria
Intervention: Other: 14C-B12 fortified bread
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† Indicates status has not been verified in more than two years