Vitamin B 12 Deficiency: all 73 studies
Page 1 of 1. Open to participants first (8), then studies with results posted, then the rest; newest registration first within each.
- THE B-BABIES STUDY: An Observational Study of Group B Vitamins in Preterm InfantsNot yet recruitingNCT07163962
- Effectiveness of a Modified Cost-Effective Dietary Plan in Promoting Weight Loss and Preservation of Lean Body Mass in Patients After Bariatric SurgeryNot yet recruitingNCT07111767Not applicable
- Challenges in Achieving Adequate Dietary Status of WomenEnrolling by invitationNCT06745817
- Vitamin B12 Status and Its Impact on Chronic Haemodialysis PatientNot yet recruitingNCT06441721
- Diet Quality of Pregnant Women With a Strict Plant-based Diet Versus an Omnivorous DietNot yet recruitingNCT06046703
- Hydroponic Fortification and Dietary App Effect on Nutrients Level (Harvest)Enrolling by invitationNCT05740462Not applicable
- Neurological Recovery Following NOS-SACDRecruitingNCT05714917
- Early Infant Micronutrition and DevelopmentRecruitingNCT05005897Phase 2/3
- Natural Versus Synthetic Vitamin B Complexes in HumanCompletedNCT03444155Not applicableResults posted
- Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis PatientsCompletedNCT01876732Not applicableResults posted
- Autoantibodies to Gastric Parietal Cells in Rheumatoid Arthritis PatientsCompletedNCT01876329Results posted
- Oral Versus Intravenous Vitamin B12 Replacement in Hemodialysis PatientsCompletedNCT07781020Not applicable
- A Study to See if a Combination of Vitamins That is Injected Into a Muscle is as Good and Safe as a Vitamin That is Taken by MouthCompletedNCT07029698Phase 4
- Pre- and Post-Treatment Investigation of B12 and Folic Acid (Folate) Levels in Patients Receiving Antiepileptic (Anticonvulsant) Treatment for Neuropathic PainCompletedNCT07013318
- Pre- and Post-Treatment Investigation of B12 and Folic Acid (Folate) Levels in Patients Receiving Antiepileptic (Anticonvulsant) Treatment for Fibromyalgia: Retrospective StudyCompletedNCT07013305
- Oral Sucrosomial® Vitamin B12 in the Management of B12 Deficiency Among Metformin-Treated Type 2 Diabetes PatientsCompletedNCT06983223Not applicable
- Using Iodized Salt to Improve Serum Folate, B12 and Iron LevelsCompletedNCT06904612
- Heart Failure With Reduced Ejection Fraction: Adjuvant Therapy With Neurostimulation and Chlorella Pyrenoidosa (HD-tDCS)Active, not recruitingNCT06528366Not applicable
- Assessing the Efficacy of Different Carrier Systems in Oral Vitamin B12 SupplementationCompletedNCT06376591Not applicable
- Relationship Between Vitamin D and Vitamin B12 Levels and Neuropathic Pain in LipedemaActive, not recruitingNCT06338059
- Acceptability and Nutritional Impact of Double-fortified Salt Containing Iodine and Folic AcidCompletedNCT06223854Not applicable
- Effectiveness of Fortification With Folic Acid and Vitamin B12 Among Teenage GirlsCompletedNCT06100146Not applicable
- Effect of Daily Consumption of Vitamin B12 Fortified Yoghurt on Vitamin B12 Status in Older AdultsCompletedNCT05993962Not applicable
- Baby Detect : Genomic Newborn ScreeningCompletedNCT05687474
- ETOL-Elderly Study of the Efficiency of the Innovative Food Supplement in Elderly AdultsCompletedNCT05661006Not applicable
- Dried Purple Laver (Nori) as a Food Source of Vitamin B12 in VegetariansCompletedNCT05614960Not applicable
- An Exploratory Investigation of a B12 Vitamin to Increase Energy and FocusCompletedNCT05517005Not applicable
- Vitamin B12 Dose Escalation Trial in PregnancyActive, not recruitingNCT05426395Phase 1
- Dietary Challenges in the Population of Nursing Homes' ResidentsCompletedNCT05389618
- Cobalamin Supply and Metabolism in Healthy Children From Birth to the Age of 12 Months and in Their Mothers (Cbl_Neo)CompletedNCT05315843
- Effect of Household Use of Multiple Micronutrient-fortified Bouillon on Micronutrient Status Among Women and Children in Two Districts in the Northern Region of GhanaCompletedNCT05178407Not applicable
- Anemia in Older AdultsCompletedNCT04820465
- Egg Intervention During Pregnancy in IndonesiaActive, not recruitingNCT04694235Not applicable
- Nutritional Status and Bouillon Use in Northern GhanaCompletedNCT04632771
- Cobalamin Deficiency - Diagnosis and TherapyCompletedNCT04243707
- A Comparison of Two Different Doses of Maternal B12 Supplementation in Improving Infant B12 Deficiency and NeurodevelopmentCompletedNCT04083560Not applicable
- Periconceptional Surveillance in IndiaActive, not recruitingNCT04048330
- Transdermal Iontophoresis of Vitamin B12 Under Three Different Skin PreparationsCompletedNCT04027959Not applicable
- Preoperative Anaemia prevaLence In surgiCal patiEntsCompletedNCT03978260
- Quadruple Fortified Salt Trial in IndiaActive, not recruitingNCT03853304Not applicable
- Maternal B12 Supplementation to Improve Infant B12 Deficiency and NeurodevelopmentStatus unknownNCT03783104Not applicable
- Supplementation of Critical Nutrients in a Plant-based DietCompletedNCT03542591
- Homocysteine After Laparoscopic Roux-enY Gastric BypassCompletedNCT03489538
- The Vitamin B Status in Type 2 Diabetes (VITA) StudyCompletedNCT03447275
- Effects of Vitamin B12 Treatment in SingersCompletedNCT03437824Early Phase 1
- Study of the Association of Muscle Strength, Balance and Other Factors With Vitamin Levels Among Elderly DiabeticsCompletedNCT03376490
- The Impact of Vitamin B12 Deficiency on Infant Gut MicrobiotaCompletedNCT03365583
- Adults Nutrition as a Protective or Health-risk FactorCompletedNCT03284840
- Vitamin B12 Supplementation During Pregnancy on Cognitive DevelopmentActive, not recruitingNCT03071666Phase 2/3
- COMPARATIVE EFFECTIVENESS OF MCI and DEMENTIA TREATMENTS IN A COMMUNITY-BASED DEMENTIA PRACTICECompletedNCT02860338
- Effect of Toothpaste Fortified With Cyanocobalamin on Vitamin B12 StatusCompletedNCT02679833Not applicable
- Effect of Vitamin B12 Supplementation on Glycaemic Control in Uncontrolled Hyperhomocysteinemic Type 2 Diabetic PatientsCompletedNCT02540642Not applicable
- Cracking the Egg Potential: Improving Young Child Nutrition in EcuadorCompletedNCT02446873Not applicable
- Vitamin Deficiencies and Suppletion in Morbid ObesityCompletedNCT02270749Phase 4
- Comparison of Two Pharmacist-led Population Management Approaches to Increase Monitoring of Vitamin B12 and Serum Creatinine Levels for Patients on MetforminCompletedNCT02076347Not applicable
- Vitamin B12 Acceptance and Biomarker Response StudyCompletedNCT01832129Phase 4
- Supplementary Vitamin B12 Effects on Elevated Homocysteine Levels of Vegetarians - Clinical TrialCompletedNCT01661309Not applicable
- Relative Bioavailability of Folic Acid and L-5-MethlytetrahydrofolateCompletedNCT01584050Not applicable
- Oral/Intramuscular B12 to Treat Cobalamin DeficiencyCompletedNCT01476007Not applicable
- Cobalamin Absorption From Fortified FoodCompletedNCT01399164Not applicable
- Efficacy and Safety Study of Oral Eligen® B12 in Subjects With Low Serum CobalaminCompletedNCT01312831Not applicable
- The Association Between Religious Origin and Age, and Vitamin B12 and Folic Acid Plasma Levels in Non Jewish Population in Western GalileeCompletedNCT01297361Not applicable
- Metformin Use and Vitamin B12 DeficiencyCompletedNCT01136512
- Long-term Use of Proton Pump Inhibitors May Cause Vitamin B12 Deficiency in the Institutionalized ElderlyCompletedNCT00843453Not applicable
- Vitamin B12 Supplementation StudyCompletedNCT00826657Not applicable
- Cobalamin Status in Young Children With Gastrointestinal Symptoms or Feeding ProblemsCompletedNCT00710359Not applicable
- Cobalamin Status in Young Children With Developmental DelayCompletedNCT00710138Not applicable
- Oral Vitamin B12 Administration for Vitamin B12 Deficiency After Total GastrectomyCompletedNCT00699478Phase 2
- Cobalamin Supplementation During Infancy; Effect on B-vitamin Status, Growth and Psychomotor DevelopmentCompletedNCT00479479Not applicable
- Holotranscobalamin Remains Unchanged During PregnancyCompletedNCT00467623
- How Many Patients Are in Need of Vitamin B12 Injections?Status unknownNCT00326833Phase 4
- Can Recombinant Human Intrinsic Factor Be Used for Evaluation of the Vitamin B12 Absorption?CompletedNCT00279552Phase 2
- The Role of Methycobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia.CompletedNCT00165711Phase 4