Clinical trials: Vitamin B-12 Deficiency
Iron Deficiency Anemia, B12 Deficiency Anemia
Do Iron And Vitamin B12 Injections Given Together, Improve Hemoglobin In Patients On Hemodialysis?
A parallel group, quadruple blind, placebo-controlled, randomized control trial with 2x2 factorial design to determine the effect of simultaneous IV ferric carboxymaltose and IM hydroxycobalamin supplementation in anemic Indian…
- Trial name
- ALOHA (NCT04627181)
- Testing
- Ferric carboxymaltose, Hydroxycobalamin
- Where
- India
- Volunteers
- 100 people
- Sponsor
- Christian Medical College, Vellore, India
Vitamin B12 Nutritional Deficiency
Effect of Methylcobalamin and Cyanocobalamin Consumption on Vitamin B12 Nutritional Status
Vitamin B12 (B12, Cobalamin) is an essential micronutrient that humans are not capable of synthesizing and therefore must be ingested through food. In nature, B12 is basically only present in foods of animal origin.
- Trial name
- NORMB12 (NCT05785585)
- Testing
- Methylcobalamin, Cyanocobalamin group, Control group
- Where
- 2 sites in Spain
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Fundació Eurecat
Vitamin B-12 Deficiency, Achlorhydria
Cobalamin Absorption From Fortified Food
To determine B12 bioavailability from 14C-B12 fortified bread in healthy subjects and in subjects with proton pump inhibitor induced achlorhydria.
- Trial name
- FL-72 (NCT01399164)
- Testing
- 14C-B12 fortified bread
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Vitamin B12 Deficiency
Oral Vitamin B12 Administration for Vitamin B12 Deficiency After Total Gastrectomy
Pernicious anemia develops in 50% of total gastrectomized due to gastric cancer patients. Lack of intrinsic factor, which is secreted by parietal cell from stomach wall causes deficiency of cobalamin, which, in final, causes…
- Trial name
- NCT00699478
- Testing
- mecobalamin
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Yonsei University
Vitamin B 12 Deficiency
Vitamin B12 Dose Escalation Trial in Pregnancy
Vitamin B12 is a cofactor for 2 enzymes that have essential functions in pregnancy, both for maternal health and for fetal development.
- Trial name
- MM4MN-B12 (NCT05426395)
- Testing
- Vitamin B12 2.6 µg, Vitamin B12 10 µg, Vitamin B12 50 µg
- Where
- Tanzania
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- George Washington University
Fibromyalgia (FM), Vitamin B 12 Deficiency
Pre- and Post-Treatment Investigation of B12 and Folic Acid (Folate) Levels in Patients Receiving Antiepileptic (Anticonvulsant) Treatment for Fibromyalgia: Retrospective Study
Fibromyalgia is a rheumatological disorder characterised by chronic widespread body pain, second most common after osteoarthritis. The overall prevalence is 2-8% and it is more common in women.
- Conditions
- Fibromyalgia (FM), Vitamin B 12 Deficiency, Folic Acid Deficiency
- Trial name
- NCT07013305
- Where
- Turkey (Türkiye)
- Volunteers
- 104 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
Choline Deficiency, Vitamin B-12 Deficiency
Cracking the Egg Potential: Improving Young Child Nutrition in Ecuador
The proposed study will fill an important gap in the literature by examining, through a randomized controlled trial, the effect of egg consumption on biochemical markers of choline, vitamin B-12, lipids, and amino acids in young…
- Conditions
- Choline Deficiency, Vitamin B-12 Deficiency, Lipids Deficiency, Amino Acids Deficiency
- Trial name
- NCT02446873
- Testing
- Egg supplementation
- Where
- Ecuador
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Vitamin B12 Deficiency, Renal Failure , Chronic
Oral Versus Intravenous Vitamin B12 Replacement in Hemodialysis Patients
The goal of this clinical trial is to learn whether intravenous (IV) vitamin B12 works better than oral vitamin B12 to correct vitamin B12 deficiency in adults on maintenance hemodialysis.
- Conditions
- Vitamin B12 Deficiency, Renal Failure , Chronic, Renal Dialysis
- Trial name
- B12-HD-RCT (NCT07781020)
- Testing
- Mecobalamin IV Injection, Mecobalamin Tablets
- Where
- Pakistan
- Volunteers
- 60 people
- Sponsor
- Jinnah Hospital
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Vitamin B12 Deficiency
Long-term Use of Proton Pump Inhibitors May Cause Vitamin B12 Deficiency in the Institutionalized Elderly
This study was designed to determine whether elderly residents of long term care facilitated who had been taking proton pump inhibitors (PPI) for more than 12 months were more likely to have vitamin B12 deficiency than residents…
- Trial name
- NCT00843453
- Testing
- blood collection, treatment (cyanocobalamin nasal spray)
- Where
- 2 sites in United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Delaware
B12 Deficiency Vitamin, Energy Supply; Deficiency
An Exploratory Investigation of a B12 Vitamin to Increase Energy and Focus
This study aims to examine the effects of Sourse's Hype Bites at being able to increase vitamin B12 levels to promote positive health outcomes. Participants will consume Hype Bites daily.
- Conditions
- B12 Deficiency Vitamin, Energy Supply; Deficiency, Mood
- Trial name
- NCT05517005
- Testing
- Hype Bites Supplement
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Sourse
Hypovitaminosis b 12
This Randomized, Clinical Trial Evaluates the Efficacy of Oral Versus Sublingual Vitamin B12 Supplementation in Correcting Early-onset Vitamin B12 Deficiency in Adult Patients Using Proton Pump Inhibitors (PPIs). The Primary Outcome is the Change in Serum Vitamin B12 Levels Over a 6-week
This randomized, clinical trial evaluates the efficacy of oral versus sublingual vitamin B12 supplementation in correcting early-onset vitamin B12 deficiency in adult patients using proton pump inhibitors (PPIs).
- Trial name
- NCT06966856
- Testing
- Cyanocobalamin 1000 Mcg Oral Tablet, Cyanocobalamin 1000 Mcg Sublingual Tablet, Proton Pump Inhibitor therapy only
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Tanta University
Vitamin B 12 Deficiency
Early Infant Micronutrition and Development
Globally, vitamin B12 deficiency is one of the most common micronutrient deficiencies. Poor status is also seen in affluent countries such as in Norway.
- Trial name
- RART (NCT05005897)
- Testing
- Cyanocobalamin
- Where
- Norway
- Volunteers
- 600 people
- Sponsor
- Sykehuset Innlandet HF
Weight Gain, Anemia, Iron Deficiency
Egg Intervention During Pregnancy in Indonesia
The study consists of two arms: 1) intervention group using eggs as supplementary food given from 2nd trimester of pregnancy to birth, and 2) observational group of pregnant mothers.
- Conditions
- Weight Gain, Anemia, Iron Deficiency, Birth Weight, Birth Length
- Trial name
- PRECODE (NCT04694235)
- Testing
- Egg intervention
- Where
- Indonesia
- Volunteers
- 702 people, healthy volunteers welcome
- Sponsor
- SEAMEO Regional Centre for Food and Nutrition
Vitamin B 12 Deficiency, Pregnancy
Diet Quality of Pregnant Women With a Strict Plant-based Diet Versus an Omnivorous Diet
The goal of this observational study is to compare the nutritional intake among pregnant women with a strict plant-based diet versus an omnivorous diet. The main aim is to compare vitamin B12 intake.
- Conditions
- Vitamin B 12 Deficiency, Pregnancy, Nutrient Deficiency, Dietary Exposure
- Trial name
- NCT06046703
- Testing
- Daily nutritional intake
- Volunteers
- 256 people
- Sponsor
- Maastricht University Medical Center
Anemia in Pregnancy, Pre-eclampsia
A Retrospective Analysis of Neevo® and NeevoDHA® Compared to a Standard Prenatal Vitamin in Anemia During Pregnancy
This study is a multi-site, retrospective chart review to determine the effect of Neevo® or NeevoDHA® (with higher folate and B12) versus standard prenatal vitamins on hemoglobin (Hgb) levels in pregnant women throughout the…
- Trial name
- NCT01193192
- Testing
- Neevo®, Prenatal vitamins
- Where
- 3 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pamlab, L.L.C.
Vitamin B 12 Deficiency
Vitamin B12 Acceptance and Biomarker Response Study
In this study, biomarker response after supplementation with oral and intramuscular vitamin B12 will be compared in a randomized clinical trial.
- Trial name
- NCT01832129
- Testing
- Oral administration of vitamin B12, i.m. injection of vitamin B12
- Where
- Switzerland
- Volunteers
- 37 people
- Sponsor
- University Hospital, Basel, Switzerland
Neuropathic Pain, Vitamin B 12 Deficiency
Pre- and Post-Treatment Investigation of B12 and Folic Acid (Folate) Levels in Patients Receiving Antiepileptic (Anticonvulsant) Treatment for Neuropathic Pain
Neuropathic pain (NeP) is a disorder of the nervous system resulting from altered mechanisms operating at the peripheral nervous system, spinal cord and supraspinal levels and is defined by the International Association for the…
- Trial name
- NCT07013318
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
Diabetes Mellitus Type 2
Study to Identify Adequate Biomarker to Detect Vitamin B12 Deficiency in Type 2 Diabetic Patients Treated With Metformin
In this study we compare the vitamin B12 status by measuring serum vitamin B12 and holotranscobalamin in type 2 diabetic patients with and without metformin treatment.
- Trial name
- NCT02111967
- Testing
- Questionnaire administration, Laboratory biomarker analysis
- Where
- Switzerland
- Volunteers
- 50 people
- Sponsor
- University Hospital, Basel, Switzerland
Vitamin B 12 Deficiency
Cobalamin Status in Young Children With Gastrointestinal Symptoms or Feeding Problems
During fetal life and infancy, an adequate cobalamin status is important for normal growth and central nervous system development.
- Trial name
- NCT00710359
- Testing
- Hydroxycobalamin (Vitamin B12 Depot, Nycomed Pharma)
- Where
- Norway
- Volunteers
- 100 people
- Sponsor
- Haukeland University Hospital