Clinical trials: Vitamin B12 Deficiency
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
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
Vitamin B12 Deficiency
Vitamin B12 Supplementation Study
We hope to learn the clinical and functional signs of sub-clinical vitamin B12 deficiency and its response to supplementation in non-anemic, non-pregnant, and non-lactating women in Rural Mexico.
- Trial name
- NCT00826657
- Testing
- Vitamin B12
- Where
- Mexico
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
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
Iron Deficiency (Without Anemia), B12 Deficiency Vitamin
Hydroponic Fortification and Dietary App Effect on Nutrients Level (Harvest)
Veganism and vegetarianism have clear benefits where they have a lower risk of many health issues. However, they also have a higher risk of nutrients and vitamin deficiency such as iron and vitamin B12.
- Trial name
- NCT05740462
- Testing
- Recipes consumption, Hydroponic unit
- Where
- United Kingdom
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Quadram Institute Bioscience
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)
Vitamin B 12 Deficiency
Dried Purple Laver (Nori) as a Food Source of Vitamin B12 in Vegetarians
This is an intervention study aiming to understand the bioavailability of vitamin B12 from nori for vegetarians.
- Trial name
- NCT05614960
- Testing
- Dried purple laver (Nori)
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Fu Jen Catholic University
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 B12 Deficiency
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 Mouth
Primary efficacy objective: To investigate the effects of a parenterally vitamin B12 combination treatment versus an oral vitamin B12 mono therapy on the vitamin B12 status in female and male patients as determined by the change…
- Trial name
- EASYVIT (NCT07029698)
- Testing
- Vitamin B12, Vitamin B6, Folic acid, Vitamin B12 (Cyanocobalamin)
- Where
- 2 sites in Ukraine
- Volunteers
- 46 people
- Sponsor
- Medice Arzneimittel Pütter GmbH & Co KG
Vitamin B 12 Deficiency
Effects of Vitamin B12 Treatment in Singers
In this study, the investigators aim to assess if vitamin B12 treatment demonstrates a beneficial effect on voice performance. If so, they wish to examine the relationship between the vitamin B12 treatment and the study…
- Trial name
- NCT03437824
- Testing
- Cyanocobalamin
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Vitamin B 12 Deficiency
Oral/Intramuscular B12 to Treat Cobalamin Deficiency
Objective: To determine the effectiveness of oral versus intramuscular Cobalamin (vitamin B12) by restore cobalamin parameter in blood at 8, 26 and 52 weeks in ≥ 65 aged patients with Cobalamin Deficiency.
- Trial name
- OB12 (NCT01476007)
- Testing
- oral Cobalamin (vitamin B12), intramuscular Cobalamin (vitamin B12)
- Where
- Spain
- Volunteers
- 284 people
- Sponsor
- Gerencia de Atención Primaria, Madrid
SCAD, Addison Disease
Spontaneous Coronary Artery Dissection (SCAD) and Autoimmunity
This case control study aims to determine whether spontaneous coronary artery dissection (SCAD) is associated with autoimmune diseases and to update the incidence of SCAD in a population-based cohort.
- Conditions
- SCAD, Addison Disease, Ankylosing Spondylitis, Antiphospholipid Antibody Syndrome
- Trial name
- NCT03941184
- Where
- United States
- Volunteers
- 114 people
- Sponsor
- Mayo Clinic
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
Deficiency Vitamins
Micronutrient Status During Pregnancy
An adequate micronutrient status during fetal life and infancy is important for optimal development. Dietary practices during pregnancy, lactation and infancy vary among populations and there is today no clear agreement on what…
- Trial name
- NCT03272022
- Volunteers
- 272 people
- Sponsor
- Haukeland University Hospital
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
Vitamin B 12 Deficiency
A Comparison of Two Different Doses of Maternal B12 Supplementation in Improving Infant B12 Deficiency and Neurodevelopment
Supplementation with Iron and folate have been part of a worldwide strategy targeting anaemia and neural tube defects for many years. However, vitamin B12 deficiency has received much less attention.
- Trial name
- MATCOBIND (NCT04083560)
- Testing
- Vit B12
- Where
- 2 sites in India, Nepal
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Sitaram Bhartia Institute of Science and Research
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
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
CoRDS, or the Coordination of Rare Diseases at Sanford, is based at Sanford Research in Sioux Falls, South Dakota. It provides researchers with a centralized, international patient registry for all rare diseases.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- 2 sites in United States, Australia
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Vitamin B12 Deficiency
Autoantibodies to Gastric Parietal Cells in Rheumatoid Arthritis Patients
A review of the literature reveals that very few studies have assessed the potential co-existence of vitamin B12 deficiency due to gastric parietal cell autoantibodies. While Segal et al.
- Trial name
- NCT01876329
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Keesler Air Force Base Medical Center
Muscle Strength, Vitamin B 12 Deficiency
Study of the Association of Muscle Strength, Balance and Other Factors With Vitamin Levels Among Elderly Diabetics
Vitamin B12 deficiency can cause severe problems with the blood, nerves, brain and psychological well-being. Ironically, our modern methods for the control of diabetes mellitus can actually contribute to vitamin B12 deficiency.
- Conditions
- Muscle Strength, Vitamin B 12 Deficiency, Folate Deficiency, Vitamin D Deficiency
- Trial name
- NCT03376490
- Where
- Singapore
- Volunteers
- 56 people
- Sponsor
- SingHealth Polyclinics