Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “B12 Deficiency Vitamin”

95 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 95 results

Not applicableStudy completedNCT06904612
What this trial is testing

Using Iodized Salt to Improve Serum Folate, B12 and Iron Levels

Who this might be right for
Neural Tube DefectsFolic Acid DeficiencySpina Bifida+4 more
Hydrocephalus and Neuroscience Institute 200
Not applicableStudy completedNCT04243707
What this trial is testing

Cobalamin Deficiency - Diagnosis and Therapy

Who this might be right for
Vitamin B 12 Deficiency
University Hospital, Basel, Switzerland 3,000
Not applicableStudy completedNCT02679833
What this trial is testing

Effect of Toothpaste Fortified With Cyanocobalamin on Vitamin B12 Status

Who this might be right for
Cobalamin Deficiency
Universität des Saarlandes 180
Large-scale testing (Phase 3)Active Not RecruitingNCT03071666
What this trial is testing

Vitamin B12 Supplementation During Pregnancy on Cognitive Development

Who this might be right for
Pregnancy RelatedVitamin B 12 DeficiencyAnemia
Centre For International Health 800
Not applicableStudy completedNCT04407572
What this trial is testing

Evaluation of the Relationship Between Zinc Vitamin D and b12 Levels in the Covid-19 Positive Pregnant Women

Who this might be right for
COVIDZinc DeficiencyVitamin D Deficiency
Kanuni Sultan Suleyman Training and Research Hospital 44
Very early researchStudy completedNCT03437824
What this trial is testing

Effects of Vitamin B12 Treatment in Singers

Who this might be right for
Vitamin B 12 Deficiency
University of Southern California 20
Large-scale testing (Phase 3)Looking for participantsNCT05005897
What this trial is testing

Early Infant Micronutrition and Development

Who this might be right for
Vitamin B 12 Deficiency
Sykehuset Innlandet HF 600
Not applicableStudy completedNCT07781020
What this trial is testing

Oral Versus Intravenous Vitamin B12 Replacement in Hemodialysis Patients

Who this might be right for
Vitamin B12 DeficiencyRenal Failure , ChronicRenal Dialysis
Jinnah Hospital 60
Not applicableStudy completedNCT01062958
What this trial is testing

A Retrospective Analysis of Neevo®/Neevo®DHA Compared to a Standard Prenatal Vitamin in Anemia During Pregnancy

Who this might be right for
Anemia in PregnancyPreeclampsia
Pamlab, Inc. 100
Not applicableStudy completedNCT01584050
What this trial is testing

Relative Bioavailability of Folic Acid and L-5-Methlytetrahydrofolate

Who this might be right for
Vitamin B12 Deficiency
University of British Columbia 150
Not applicableNot Yet RecruitingNCT06046703
What this trial is testing

Diet Quality of Pregnant Women With a Strict Plant-based Diet Versus an Omnivorous Diet

Who this might be right for
Vitamin B 12 DeficiencyPregnancyNutrient Deficiency+1 more
Maastricht University Medical Center 256
Not applicableStudy completedNCT01876329
What this trial is testing

Autoantibodies to Gastric Parietal Cells in Rheumatoid Arthritis Patients

Who this might be right for
Vitamin B12 Deficiency
Keesler Air Force Base Medical Center 125
Not applicableStudy completedNCT05661006
What this trial is testing

ETOL-Elderly Study of the Efficiency of the Innovative Food Supplement in Elderly Adults

Who this might be right for
Vitamin d DeficiencyVitamin B 12 DeficiencyProtein Deficiency
Institute of Nutrition, Slovenia (Nutris) 40
Not applicableStudy completedNCT05687474
What this trial is testing

Baby Detect : Genomic Newborn Screening

Who this might be right for
Congenital Adrenal HyperplasiaFamilial Hyperinsulinemic Hypoglycemia 1Phosphoglucomutase 1 Deficiency+121 more
Centre Hospitalier Universitaire de Liege 6,824
Post-approval studies (Phase 4)Study completedNCT02270749
What this trial is testing

Vitamin Deficiencies and Suppletion in Morbid Obesity

Who this might be right for
Vitamin B12 Deficiency
Rijnstate Hospital 50
Not applicableStudy completedNCT05098600
What this trial is testing

The Epidemiology, Management and Comorbidities in Alopecia Areata in Czech Republic

Who this might be right for
Alopecia AreataAlopecia TotalisAlopecia Universalis+24 more
Faculty Hospital Kralovske Vinohrady 123
Not applicableStudy completedNCT03542591
What this trial is testing

Supplementation of Critical Nutrients in a Plant-based Diet

Who this might be right for
Deficiency, VitaminVegan's Anemia (Vitamin B12 Deficiency)Deficiencies Micronutrient
Charite University, Berlin, Germany 500
Not applicableStudy completedNCT04083560
What this trial is testing

A Comparison of Two Different Doses of Maternal B12 Supplementation in Improving Infant B12 Deficiency and Neurodevelopment

Who this might be right for
Vitamin B 12 Deficiency
Sitaram Bhartia Institute of Science and Research 708
Not applicableStudy completedNCT02076347
What this trial is testing

Comparison of Two Pharmacist-led Population Management Approaches to Increase Monitoring of Vitamin B12 and Serum Creatinine Levels for Patients on Metformin

Who this might be right for
Type 2 DiabetesVitamin B12 DeficiencyNeuropathy+1 more
Ohio State University 489
Early research (Phase 1)Active Not RecruitingNCT05426395
What this trial is testing

Vitamin B12 Dose Escalation Trial in Pregnancy

Who this might be right for
Vitamin B 12 Deficiency
George Washington University 50
Next Page