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 “Disorder of Vitamin B12”

165 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 165 results

Not applicableUnknownNCT04488731
What this trial is testing

The Effect of Coffee Consumption on the Serum Levels of Leptin, Folic Acid, and Vitamin B12

Who this might be right for
Atherosclerosis
Applied Science Private University 120
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 completedNCT01876732
What this trial is testing

Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis Patients

Who this might be right for
Vitamin B12 Deficiency
Northwell Health 132
Not applicableStudy completedNCT00235573
What this trial is testing

Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption

Who this might be right for
Disorder of Vitamin B12
University of Florida 21
Not applicableUnknownNCT04048330
What this trial is testing

Periconceptional Surveillance in India

Who this might be right for
AnemiaFolate DeficiencyVitamin B12 Deficiency
Cornell University 2,000
Not applicableUnknownNCT03864198
What this trial is testing

To Evaluate the Effect of Reveratrol,Folic Acid, Vitamin D, Vitamin B12 and B6 in Male Infertility

Who this might be right for
Male Infertility
University Of Perugia 20
Large-scale testing (Phase 3)Study completedNCT00623857
What this trial is testing

Micronutrients and Child Health Study

Who this might be right for
Malaria
Wageningen University 612
Not applicableLooking for participantsNCT05714917
What this trial is testing

Neurological Recovery Following NOS-SACD

Who this might be right for
Nitrous Oxide AbuseSubacute Combined Cord DegenerationNeurologic Symptoms+2 more
Nottingham University Hospitals NHS Trust 100
Post-approval studies (Phase 4)Study completedNCT07811856
What this trial is testing

Effects of Metformin and Theory-Based Education in Women With Polycystic Ovary Syndrome

Who this might be right for
Polycystic Ovary Syndrome (PCOS) Women
Jerash Private University 900
Not applicableStudy completedNCT03365583
What this trial is testing

The Impact of Vitamin B12 Deficiency on Infant Gut Microbiota

Who this might be right for
Vitamin B 12 Deficiency
Marmara University 90
Not applicableUnknownNCT03405675
What this trial is testing

Gerontology Research Programme: The Singapore Longitudinal Ageing Studies (SLAS I & II)

Who this might be right for
Cognitive Changes Due to Organic Disorder (Finding)DementiaMild Cognitive Impairment+4 more
National University of Singapore 6,183
Not applicableUnknownNCT04456985
What this trial is testing

Effect of Preoperative Intervention With Folic Acid and Vitamin B12 on Postoperative Neurobehavioral Changes in Children

Who this might be right for
Delirium
Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University 360
Not applicableStudy completedNCT05865015
What this trial is testing

Nutritional Status of Women Undergoing in Vitro Fertilization

Who this might be right for
IVFBody WeightNutrient Deficiency+2 more
University Medical Centre Ljubljana 69
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
Large-scale testing (Phase 3)Study completedNCT01795131
What this trial is testing

Vitamin B12 Supplementation During Pregnancy

Who this might be right for
Nutritional Anemia in Mothers.Nutritional Anemia in Infants.
International Centre for Diarrhoeal Disease Research, Bangladesh 120
Not applicableLooking for participantsNCT06654154
What this trial is testing

Vitamin B12: a Biological Marker of Systemic Disease or Infection Flare-up in Patients Treated with Tocilizumab?

Who this might be right for
Level of Serum Vitamin B12 Level (in Pmol/L) If Relapse of (AI/ID) Under TocilizumabLevel of Serum Vitamin B12 Level (in Pmol/L) If Infection Under Tocilizumab
University Hospital, Clermont-Ferrand 56
Testing effectiveness (Phase 2)Study completedNCT00005669
What this trial is testing

Metformin to Treat Obesity in Children With Insulin Resistance

Who this might be right for
HyperinsulinemiaObesity
Jack Yanovski, M.D. 100
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
Not applicableStudy completedNCT04820465
What this trial is testing

Anemia in Older Adults

Who this might be right for
AnemiaNutritional DeficiencyInflammation
Instituto Nacional de Salud Publica, Mexico 829
Not applicableStudy completedNCT03903952
What this trial is testing

Can B12 and Folate Levels Predict HPV Penetration in Patients With ASCUS?

Who this might be right for
ASC-USHuman Papilloma Virus
Sanliurfa Mehmet Akif Inan Education and Research Hospital 200
Next Page