Clinical trials: Vitamin B12 Deficiency
Anemia, Iron-deficiency
Preoperative Anaemia prevaLence In surgiCal patiEnts
Preoperative anaemia is common in surgery, with a prevalence between 10 and 50 %, and is an independent risk factor for morbidity and mortality.
- Conditions
- Anemia, Iron-deficiency, Folic Acid Deficiency, Vitamin B 12 Deficiency
- Trial name
- ALICE (NCT03978260)
- Where
- Germany
- Volunteers
- 2,500 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Healthy, Thiamine and Niacin Deficiency States
Natural Versus Synthetic Vitamin B Complexes in Human
In a cross-over study the investigators evaluate the effects of natural (Panmol-B-Complex) (Pan [Greek] = all; moles [Latin] = molecules/particles - brand name) versus synthetic vitamin B complexes to identify the bioavailability…
- Conditions
- Healthy, Thiamine and Niacin Deficiency States, Pyridoxine Deficiency, Folic Acid Deficiency Anemia, Dietary
- Trial name
- NCT03444155
- Testing
- Natural Panmol-B-Complex, Synthetic Vitamin B-Complex
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Anemia, Nutritional Deficiency
Anemia in Older Adults
A cross-sectional study with 829 older Mexican adults were recruited from July to September 2015, from four localities in the southern region of México.
- Conditions
- Anemia, Nutritional Deficiency, Inflammation
- Trial name
- NCT04820465
- Testing
- Non available due to cross-sectional study design
- Volunteers
- 829 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Salud Publica, Mexico
Alopecia Areata, Alopecia Totalis
The Epidemiology, Management and Comorbidities in Alopecia Areata in Czech Republic
The study series consists of three studies with the aim to assess the incidence, prevalence, risk factors, comorbidities and management of patients with alopecia areata in Czech Republic based on the patients and registry of a…
- Conditions
- Alopecia Areata, Alopecia Totalis, Alopecia Universalis, Alopecia Areata (& Ophiasis)
- Trial name
- NCT05098600
- Testing
- Exposure of interest
- Where
- Czechia
- Volunteers
- 123 people
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Child Developmental Delay, Child Malnutrition
Maternal B12 Supplementation to Improve Infant B12 Deficiency and Neurodevelopment
Vitamin B12 plays a key role in the development and normal functioning of the brain and nervous system. Unborn and new-born infants derive their vitamin B12 stores almost entirely from maternal B12 stores.
- Conditions
- Child Developmental Delay, Child Malnutrition, Maternal Exposure, Vitamin B 12 Deficiency
- Trial name
- MATCOBIND (NCT03783104)
- Testing
- B12 Supplement
- Where
- 2 sites in India, Nepal
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- University College, London
Vitamin B 12 Deficiency
The Impact of Vitamin B12 Deficiency on Infant Gut Microbiota
Vitamin B12 plays important roles in DNA synthesis and neurological functions. Vitamin B12 deficiency is one of the most common micronutrient deficiencies and it has become increasingly more frequent in infants.
- Trial name
- NCT03365583
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Marmara 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
Obesity, Bariatric Surgery
Effectiveness of a Modified Cost-Effective Dietary Plan in Promoting Weight Loss and Preservation of Lean Body Mass in Patients After Bariatric Surgery
This study will see if a low-cost dietary plan, based on the standard dietary guidelines of the American Society for Metabolic and Bariatric Surgery (ASMBS) and using locally available foods, can help patients lose weight and…
- Conditions
- Obesity, Bariatric Surgery, Nutritional Status, Body Composition
- Trial name
- NCT07111767
- Testing
- Low-Cost Post-Bariatric Diet, Standard High-cost Post-Bariatric Diet
- Where
- Pakistan
- Volunteers
- 122 people
- Sponsor
- Khyber Teaching Hospital
Diabetes Mellitus, Type 2, Vitamin B 12 Deficiency
The Vitamin B Status in Type 2 Diabetes (VITA) Study
The objective of this study was to evaluate vitamin B deficiency (particularly vitamin B6 deficiency) in diabetic patients in Germany in relation to the presence or absence of proteinuria, and global vascular risk.
- Conditions
- Diabetes Mellitus, Type 2, Vitamin B 12 Deficiency, Vitamin B 6 Deficiency
- Trial name
- VITA (NCT03447275)
- Testing
- Type 2 diabetes
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Rima Obeid
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
Cognitive Change, Nutrient Deficiency
Nutrition, Vision, and Cognition in Sport Study: Beef
The purpose of this study is to determine whether a 30 day beef intervention can improve peak cognitive performance in young, normally menstruating adult women.
- Conditions
- Cognitive Change, Nutrient Deficiency, Nutritional Anemia, Visual Spatial Processing
- Trial name
- IONSport:Beef (NCT04427852)
- Testing
- 30 day Daily consumption of 1 serving of beef, 30 day Daily consumption of 1 serving of the vegatable protein source
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
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
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
THE B-BABIES STUDY: An Observational Study of Group B Vitamins in Preterm Infants
Infancy may be associated with a risk of micronutrient depletion due to the high demands of rapid growth. This is particularly true when preterm birth occurs, as the period before term exhibits the highest rate of bodily growth…
- Trial name
- B-BABIES (NCT07163962)
- Where
- United Kingdom
- Volunteers
- 40 people
- Sponsor
- Norfolk and Norwich University Hospitals NHS Foundation Trust
Vitamin d Deficiency, Vitamin B 12 Deficiency
ETOL-Elderly Study of the Efficiency of the Innovative Food Supplement in Elderly Adults
The aim of this pilot study is to conduct a study on geriatric population in Slovenia (non-users of dietary supplements/medicines with vitamine D, vitamin B12 and protein) and assess deficiency of selected nutrients, and to…
- Conditions
- Vitamin d Deficiency, Vitamin B 12 Deficiency, Protein Deficiency
- Trial name
- ETOL-Elderly (NCT05661006)
- Testing
- Use of food supplement
- Where
- Slovenia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)