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Vitamin B12 |
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Cyanocobalamin General Molecular formula C63H88CoN14O14P Molar mass 1355.37 g/mol Infobox disclaimer and references source [1] (all but the picture) The name vitamin B12 (or B12 for short) is used in two different ways. In a broader sense it refers to a group of cobalt-containing compounds known as cobalamins - cyanocobalamin (an artefact formed as a result of the use of cyanide in the purification procedures), hydroxocobalamin and the two coenzyme forms of B12, methylcobalami ...
Wikipedia - [full article]
Vitamin B12 Clinical Trials
- Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption
ClinicalTrials.gov Identifier: NCT00235573 - Recruiting
Vitamin B12 Malabsorption
- How Many Patients Are in Need of Vitamin B12 Injections?
ClinicalTrials.gov Identifier: NCT00326833 - Recruiting
Vitamin B12 Deficiency
- Vitamin B12 Status and Response to Vitamin B12 Supplementation in Patients With Parkinson's Disease
ClinicalTrials.gov Identifier: NCT00208611 - Recruiting
Parkinson's Disease
- Can Recombinant Human Intrinsic Factor Be Used for Evaluation of the Vitamin B12 Absorption?
ClinicalTrials.gov Identifier: NCT00279552 - Completed
Vitamin B12 Deficiency
- Effects of Vitamin B12 On the Body''s Internal Clock
ClinicalTrials.gov Identifier: NCT00120484 - Recruiting
Sleep Disorders, Circadian Rhythm
- Oral Vitamin B12 Supplementation and Cognitive Performance in Elderly People
ClinicalTrials.gov Identifier: NCT00111267 - Completed
Cognitive decline; Cognitive Symptoms
- The Role of Methycobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia.
ClinicalTrials.gov Identifier: NCT00165711 - Completed
Dementia With Vitamin B12 Deficiency
- Plasma Holotranscobalamin as Compared to Plasma Cobalamins for Assessment of Vitamin B12 Absorption
ClinicalTrials.gov Identifier: NCT00306358 - Completed
Vitamin B12 Absorption
- VITATOPS: A Study of VITAmins TO Prevent Stroke
ClinicalTrials.gov Identifier: NCT00097669 - Recruiting
Stroke; Transient Ischemic Attack
- Can Oral Vitamin B12 and Folate Supplementation Preserve Cognitive Function of Patients With Early Dementia?
ClinicalTrials.gov Identifier: NCT00164970 - Recruiting
Dementia
- Pemetrexed, Cisplatin, and Vitamin B12 in Treating Patients With Mesothelioma of the Chest That Cannot Be Removed by Surgery
ClinicalTrials.gov Identifier: NCT00541073 - Recruiting
Malignant Mesothelioma
- SEARCH: Study of the Effectiveness of Additional Reductions in Cholesterol and Homocysteine
ClinicalTrials.gov Identifier: NCT00124072 - Active, not recruiting
Cardiovascular Disease
- Oral Vitamin B12 as Potential Treatment of Recurrent Aphthous Stomatitis
ClinicalTrials.gov Identifier: NCT00288769 - Active, not recruiting
Recurrent Aphthous Stomatitis
- BVAIT: B-Vitamin Atherosclerosis Intervention Trial
ClinicalTrials.gov Identifier: NCT00114400 - Completed
Atherosclerosis
- Study of Pralatrexate With Vitamin B12 and Folic Acid in Patients With Relapsed or Refractory Peripheral T-Cell Lymphoma
ClinicalTrials.gov Identifier: NCT00364923 - Recruiting
Peripheral T-Cell Lymphoma
- HOPE-2 Study (Heart Outcomes Prevention Evaluation-2 Study)
ClinicalTrials.gov Identifier: NCT00106886 - Active, not recruiting
Cardiovascular Disease; Myocardial Infarction; Stroke; Cancer
- Study of Pralatrexate and Gemcitabine With Vitamin B12 and Folic Acid in Patients With Relapsed or Refractory Lymphoproliferative Malignancies
ClinicalTrials.gov Identifier: NCT00481871 - Recruiting
Relapsed or Refractory Lymphoproliferative Malignancies
- Holotranscobalamin Remains Unchanged During Pregnancy
ClinicalTrials.gov Identifier: NCT00467623 - Completed
Vitamin B12 Deficiency
- VITAL - VITamins to slow ALzheimer's disease (Homocysteine Study)
ClinicalTrials.gov Identifier: NCT00056225 - Completed
Alzheimer's Disease
- Randomized Trials of Vitamin Supplements and Eye Disease
ClinicalTrials.gov Identifier: NCT00000161 - Active, not recruiting
Macular Degeneration; Cataract
- Sunlight Exposures Effect on Serum Vitamin D Levels
ClinicalTrials.gov Identifier: NCT00473317 - Active, not recruiting
Vitamin D Deficiency
- Single-Dose Postpartum Vitamin A Supplementation of Mothers and Neonates
ClinicalTrials.gov Identifier: NCT00198718 - Active, not recruiting
Vitamin A Deficiency; HIV
- Vitamin D Administration in the Nursing Home
ClinicalTrials.gov Identifier: NCT00204919 - Active, not recruiting
- Vitamin D Deficiency; - Osteoporosis
- A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels.
ClinicalTrials.gov Identifier: NCT00242476 - Active, not recruiting
Vitamin D Deficiency
- The Role of Methylcobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia ?
ClinicalTrials.gov Identifier: NCT00164983 - Completed
Dementia
- The Bread Trial: Effects of Bread Fortified With Folic Acid and Vitamin B12
ClinicalTrials.gov Identifier: NCT00353353 - Completed
Healthy
- Beyond Ageing: A Study for the Prevention of Depression, Cognitive Impairment and the Improvement of Knowledge About Mental Health
ClinicalTrials.gov Identifier: NCT00214682 - Recruiting
Depression; Depressive Disorder; Cognition
- Vitamin K Injections for the Treatment of Painful Menstruation
ClinicalTrials.gov Identifier: NCT00104546 - Active, not recruiting
Dysmenorrhea
- Role of Fat Tissue in Vitamin D Metabolism
ClinicalTrials.gov Identifier: NCT00033826 - Active, not recruiting
Vitamin D; Adipose Tissue
- The Prevalence of Vitamin D Deficiency and Effects of Vitamin D Supplementation in HIV-1 Infected Patients
ClinicalTrials.gov Identifier: NCT00306410 - Recruiting
Vitamin D Deficiency; HIV Infections
- A Trial of High Dose Vitamin D Therapy on Musculoskeletal Symptoms and Bone Mineral Density in Anastrozole-Treated Early Stage Breast Cancer Patients With Marginal Vitamin D Status
ClinicalTrials.gov Identifier: NCT00263185 - Recruiting
Breast Neoplasms
- Gender, Obesity, C-Reactive Protein, and Oxidative Stress
ClinicalTrials.gov Identifier: NCT00079963 - Active, not recruiting
Cardiovascular Disease
- Dose-Finding Study for Vitamin K2 in Human Volunteers
ClinicalTrials.gov Identifier: NCT00483431 - Recruiting
Vitamin K-Status
- Optimizing Vitamin D Nutrition in Healthy Adults
ClinicalTrials.gov Identifier: NCT00327847 - Recruiting
Vitamin D Deficiency
- Evaluation of Topical B12 for the Treatment of Childhood Atopic Dermatitis
ClinicalTrials.gov Identifier: NCT00465699 - Recruiting
Eczema
- Vitamin D Status of Pregnant Women and Their Children in Eau Claire, South Carolina
ClinicalTrials.gov Identifier: NCT00412087 - Recruiting
Vitamin D Deficiency; Pregnancy
- Efficacy of Treating First Episode Psychosis With Folic Acid,B12 and B6 in Addition to Antipsychotic Medication
ClinicalTrials.gov Identifier: NCT00202280 - Active, not recruiting
First Episode Psychosis
- Evaluation of Vitamin D Requirements During Pregnancy
ClinicalTrials.gov Identifier: NCT00292591 - Recruiting
Vitamin D Deficiency
- Establishing the Vitamin D Requirements During Lactation
ClinicalTrials.gov Identifier: NCT00412074 - Recruiting
Vitamin D Deficiency
- Efficacy Study of Subcutaneous Methyl-B12 in Children With Autism
ClinicalTrials.gov Identifier: NCT00273650 - Recruiting
Autistic Disorder
- Impact of Consumption of Orange-Fleshed Sweet Potatoes on the Vitamin A Status of Bangladeshi Women of Reproductive Age
ClinicalTrials.gov Identifier: NCT00453648 - Recruiting
Vitamin A Deficiency
- Anti-Oxidant Treatment of Alzheimer''s Disease
ClinicalTrials.gov Identifier: NCT00117403 - Active, not recruiting
Alzheimer''s Disease
- Vitamin E and Namenda (Memantine) for the Treatment of Patients With Mild to Moderate Alzheimer''s Disease on Aricept (Donepezil)
ClinicalTrials.gov Identifier: NCT00235716 - Recruiting
Alzheimer''s Disease
- Oral Vitamin K for Warfarin Associated Coagulopathy
ClinicalTrials.gov Identifier: NCT00143715 - Active, not recruiting
...
- Pioglitazone vs. Vitamin E vs. Placebo for the Treatment of Non-Diabetic Patients with Nonalcoholic Steatohepatitis (PIVENS)
ClinicalTrials.gov Identifier: NCT00063622 - Active, not recruiting
Liver Diseases
- Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh
ClinicalTrials.gov Identifier: NCT00198822 - Recruiting
Vitamin A Deficiency
- Effectiveness of a Vitamin Mineral Supplement
ClinicalTrials.gov Identifier: NCT00153764 - Active, not recruiting
Homocysteine; LDL cholesterol
- Selenium and Vitamin E in Preventing Prostate Cancer
ClinicalTrials.gov Identifier: NCT00006392 - Active, not recruiting
Prostate Cancer
- The Effect of Alendronate, Calcium, and Vitamin D on Bone Mineral Density in HIV Infected Patients
ClinicalTrials.gov Identifier: NCT00061256 - Active, not recruiting
HIV Infections
- Vitamin E in Aging Persons With Down Syndrome
ClinicalTrials.gov Identifier: NCT00056329 - Active, not recruiting
Down Syndrome; Alzheimer Disease
- Vitamin D Deficiency, Insulin Resistance and FGF-23
ClinicalTrials.gov Identifier: NCT00491322 - Recruiting
Vitamin D Deficiency
- Vitamin A Supplementation in Preterm Infants
ClinicalTrials.gov Identifier: NCT00063596 - Active, not recruiting
Infant, Premature
- Characterization of Hyperparathyroidism and Vitamin D Deficiency in Obesity
ClinicalTrials.gov Identifier: NCT00288873 - Active, not recruiting
Vitamin D Deficiency; Secondary Hyperparathyroidism; Obesity
- How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis
ClinicalTrials.gov Identifier: NCT00528788 - Recruiting
Hyperparathyroidism, Secondary; Kidney Failure, Chronic; Endothelial Cells; Vitamin D
- Vitamin E, Selenium, and Soy Protein in Preventing Cancer in Patients With High-Grade Prostate Neoplasia
ClinicalTrials.gov Identifier: NCT00064194 - Active, not recruiting
Prostate Cancer
- Vitamin-D and Crohn´s Disease.
ClinicalTrials.gov Identifier: NCT00132184 - Active, not recruiting
Crohn Disease
- DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements
ClinicalTrials.gov Identifier: NCT00550563 - Recruiting
Colorectal Cancer
- Effect of Vitamin D Supplementation on Health of Low Birth Weight Infants
ClinicalTrials.gov Identifier: NCT00415402 - Not yet recruiting
Vitamin D Deficiency
- Kabul Vitamin D Supplementation Trial
ClinicalTrials.gov Identifier: NCT00548379 - Not yet recruiting
Pneumonia; Vitamin D Deficiency
- Prevention of Atherosclerosis and Heart Disease in Patients with Systemic Lupus Erythematosis (SLE)
ClinicalTrials.gov Identifier: NCT00054938 - Active, not recruiting
Systemic Lupus Erythematosus; Lupus
- Vitamin E in Preventing the Side Effects of Isotretinoin in Former and Current Smokers Who Are Receiving Isotretinoin to Prevent Lung Cancer
ClinicalTrials.gov Identifier: NCT00003599 - Active, not recruiting
Lung Cancer; prevention of lung cancer
- Topical Vitamin B12 in Chronic Plaque Psoriasis
ClinicalTrials.gov Identifier: NCT00350116 - Completed
Chronic Plaque Psoriasis
- Trial of the Impact of Vitamin A on Maternal Mortality
ClinicalTrials.gov Identifier: NCT00211341 - Recruiting
Vitamin A Deficiency; Maternal Mortality; Maternal Morbidity
- Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADVISE)
ClinicalTrials.gov Identifier: NCT00040378 - Recruiting
Alzheimer Disease
- Selenium and Vitamin E Cancer Prevention Trial (SELECT)
ClinicalTrials.gov Identifier: NCT00076128 - Recruiting
Prostate Cancer
- Vitamin A With BCG Vaccine
ClinicalTrials.gov Identifier: NCT00168597 - Active, not recruiting
Mortality; Morbidity
- Women's Antioxidant and Cardiovascular Study (WACS)
ClinicalTrials.gov Identifier: NCT00000541 - Active, not recruiting
Cardiovascular Diseases; Coronary Arteriosclerosis; Coronary Disease; Heart Diseases; Myocardial Infarction; Myocardial Ischemia
- Prevention of Vitamin D Deficiency
ClinicalTrials.gov Identifier: NCT00494104 - Recruiting
Vitamin D Deficiency
- The Effect of High Dose Vitamin C in Burn Patients
ClinicalTrials.gov Identifier: NCT00350077 - Active, not recruiting
Burns
- Investigating the Effect of Vitamin A Supplementation on Retinitis Pigmentosa
ClinicalTrials.gov Identifier: NCT00065455 - Recruiting
Retinitis Pigmentosa
- Omeprazole and Amoxicillin and/or Vitamin and Mineral Supplements and/or Garlic Supplements in Preventing Stomach Cancer in Patients With Precancerous Stomach Lesions
ClinicalTrials.gov Identifier: NCT00134121 - Active, not recruiting
Gastric Cancer; Precancerous Condition
- Calcium and Vitamin D Malnutrition in Elderly Women
ClinicalTrials.gov Identifier: NCT00352170 - Active, not recruiting
Osteoporosis; Secondary Hyperparathyroidism
- Trial of Aspirin and Vitamin E in Women (Women's Health Study - WHS)
ClinicalTrials.gov Identifier: NCT00000479 - Active, not recruiting
Cardiovascular Diseases; Cerebrovascular Disorders; Coronary Disease; Heart Diseases; Myocardial Infarction; Myocardial Ischemia; Vascular Diseases
- Vitamin K Supplementation in Post-Menopausal Osteopenia
ClinicalTrials.gov Identifier: NCT00150969 - Active, not recruiting
Post-Menopausal Osteoporosis; Post-Menopausal Osteopenia
- Isotretinoin With or Without Vitamin E for Prevention of Lung Cancer
ClinicalTrials.gov Identifier: NCT00002586 - Active, not recruiting
Non-small cell lung cancer; Small Cell Lung Cancer; Drug Toxicity
- Vitamin A Supplementation With Bacille Calmette Guerin (BCG) Vaccine
ClinicalTrials.gov Identifier: NCT00168610 - Active, not recruiting
Infant Mortality; Morbidity
- Vitamin D/Calcium Polyp Prevention Study
ClinicalTrials.gov Identifier: NCT00153816 - Recruiting
Colorectal Cancer; Polyps; Adenomas
- Vitamin D Levels and Vitamin D Education in Geriatric Patients
ClinicalTrials.gov Identifier: NCT00273611 - Completed
Vitamin D
- Feasibility Study of 2000 IU Per Day of Vitamin D for the Primary Prevention of Type 1 Diabetes
ClinicalTrials.gov Identifier: NCT00141986 - Recruiting
Type 1 Diabetes
- Does Treatment of Hypovitaminosis D Increase Calcium Absorption?
ClinicalTrials.gov Identifier: NCT00581828 - Active, not recruiting
Osteoporosis; Osteopenia; Vitamin D Deficiency; Hypoparathyroidism; Hypercalciuria; Hypercalcemia
- WENBIT - Western Norway B Vitamin Intervention Trial
ClinicalTrials.gov Identifier: NCT00354081 - Active, not recruiting
Coronary Artery Disease; Myocardial Infarction; Cerebrovascular Stroke
- Isotretinoin, Interferon alfa, and Vitamin E in Treating Patients With Stage III or Stage IV Head and Neck Cancer
ClinicalTrials.gov Identifier: NCT00054561 - Active, not recruiting
Hypopharyngeal Cancer; Laryngeal Cancer; lip and oral cavity cancer; Oropharyngeal Cancer
- Effect of Helicobacter Pylori on the Availability of Vitamin E and C
ClinicalTrials.gov Identifier: NCT00303160 - Active, not recruiting
Heliobacter Pylori Infection
- Calcium, Vitamin D, and Colon Cancer Risk Biomarkers
ClinicalTrials.gov Identifier: NCT00208793 - Active, not recruiting
Colonic Polyps; Adenomatous Polyps
- Vitamin A and Response to Endotoxin
ClinicalTrials.gov Identifier: NCT00168649 - Active, not recruiting
TNF-Alfa; Endotoxin Levels
- Velcade, Trisenox, Vitamin C and Melphalan for Myeloma Patients
ClinicalTrials.gov Identifier: NCT00469209 - Active, not recruiting
Myeloma
- The Effect of Calcium and Vitamin D in Patients With Heart Failure
ClinicalTrials.gov Identifier: NCT00497900 - Not yet recruiting
Heart Failure; Vitamin D Deficiency
- Vitamin D Effects in Overweight Patients
ClinicalTrials.gov Identifier: NCT00493012 - Active, not recruiting
Overweight; Obesity
- Effect of Vitamin C on Iron Absorption
ClinicalTrials.gov Identifier: NCT00570895 - Enrolling by invitation
Iron Deficiency
- EUROPAC-2 - Pain Treatment of Hereditary and Idiopathic Pancreatitis
ClinicalTrials.gov Identifier: NCT00142233 - Recruiting
Hereditary Pancreatitis and idiopathic chronic pancreatitis
- A Trial to Study the Effect of Vitamin D Supplementation on Glucose and Insulin Metabolism in Centrally Obese Men
ClinicalTrials.gov Identifier: NCT00347542 - Active, not recruiting
Diabetes Mellitus, Non-Insulin-Dependent; Obesity
- The Body's Affect on Vitamin C
ClinicalTrials.gov Identifier: NCT00001309 - Active, not recruiting
Healthy
- Vitamin E in Preventing Peripheral Neuropathy Caused by Chemotherapy in Patients Receiving Chemotherapy for Cancer
ClinicalTrials.gov Identifier: NCT00363129 - Active, not recruiting
Neurotoxicity; Unspecified Adult Solid Tumor, Protocol Specific
- Vitamin D Deficiency Causes Immune Dysfunction and Enables or Perpetuates the Development of Rheumatoid Arthritis
ClinicalTrials.gov Identifier: NCT00279461 - Not yet recruiting
Arthritis, Rheumatoid; Vitamin D Deficiency
- Oxidative Stress and Vitamin E Requirements
ClinicalTrials.gov Identifier: NCT00067899 - Completed
Smoking
- Effect of Iron and Vitamin E Supplementation on Disease Activity in Patients with Either Crohn''s Disease or Ulcerative Colitis
ClinicalTrials.gov Identifier: NCT00152841 - Recruiting
Crohn''s Disease; Ulcerative Colitis; mild or moderate anaemia
- Can Intravenous Vitamin C Improve Skin Hyperpigmentation in Long-Term Hemodialysis Patients?
ClinicalTrials.gov Identifier: NCT00172302 - Not yet recruiting
Kidney Failure, Chronic
- Diarrhea Brazil
ClinicalTrials.gov Identifier: NCT00133406 - Active, not recruiting
Diarrheal diseases
- Pamidronate, Vitamin D, and Calcium for the Bone Disease of Kidney and Heart Transplantation
ClinicalTrials.gov Identifier: NCT00302627 - Active, not recruiting
Transplant Bone Disease
- Clinical Research Network in Non-alcoholic Steatohepatitis - Pediatric Trial
ClinicalTrials.gov Identifier: NCT00063635 - Active, not recruiting
Fatty Liver
Resources
- Vitamin B12 (Lab Tests Online)
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