Clinical trials: Vitamin B12 Deficiency
IVF, Body Weight
Nutritional Status of Women Undergoing in Vitro Fertilization
Infertility affects around 15 % of couples in their reproductive years. Even though the use of assisted reproductive technologies (ART) in aforementioned couples is increasing, their success rate is still relatively low.
- Conditions
- IVF, Body Weight, Nutrient Deficiency, Dietary Vitamin B12 Deficiency Anemia
- Trial name
- NCT05865015
- Where
- 2 sites in Slovenia
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
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
Hyperhomocysteinemia, Hyperlipoproteinemias
Evaluating the Impact of B Vitamin Supplementation (Soloways™) on Homocysteine and LDL-C Levels in Patients With MTHFR, MTR, and MTRR Polymorphisms.
This randomized, double-blind, placebo-controlled trial will evaluate the impact of methylfolate, pyridoxal-5'-phosphate (P5P), and methylcobalamin supplementation on homocysteine and LDL-C levels in individuals with low to…
- Trial name
- VITAGEN-H (NCT06163443)
- Testing
- Vitamin B
- Where
- Russia
- Volunteers
- 54 people
- Sponsor
- S.LAB (SOLOWAYS)
Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1
Baby Detect : Genomic Newborn Screening
Newborn screening (NBS) is a global initiative of systematic testing at birth to identify babies with pre-defined severe but treatable conditions.
- Conditions
- Congenital Adrenal Hyperplasia, Familial Hyperinsulinemic Hypoglycemia 1, Phosphoglucomutase 1 Deficiency, Maturity Onset Diabetes of the Young
- Trial name
- BabyDetect (NCT05687474)
- Where
- Belgium
- Volunteers
- 6,824 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Liege
Nutritional Status, Nutrient Deficiency
Dietary Challenges in the Population of Nursing Homes' Residents
To obtain up-to-date data on nutritional status of older adults, a national dietary survey will be conducted in 2022/2023, providing data on the consumption of foods and enabling the assessment intakes of energy and specific…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NUTRICARE (NCT05389618)
- Testing
- Diagnostic Tests
- Where
- Slovenia
- Volunteers
- 300 people
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
B12 Deficiency Combined With C677T Mutation on MTHFR Gene
Examining B12 Deficiency Associated With C677T Mutation on MTHFR Gene in Terms of Commonness and Endothelial Function
The purpose of this study is to determine the commonness of the C677T mutation in the MTHFR gene in subjects with B12 deficiency.
- Trial name
- NCT00730574
- Testing
- Vitamin B12 + Folic Acid
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Moshe Flugelman
Heart Failure, Reduced Ejection Fraction, Vitamin B12 Deficiency
Heart Failure With Reduced Ejection Fraction: Adjuvant Therapy With Neurostimulation and Chlorella Pyrenoidosa (HD-tDCS)
Reduced ejection fraction heart failure (HFrEF) is a complex and multifactorial condition. It is characterized by a decrease in the ability of the left ventricle to eject blood effectively during systole, resulting in an ejection…
- Trial name
- HD-tDCS (NCT06528366)
- Testing
- Chlorella pyrenoidosa, High Definition Transcranial Direct Current Stimulation
- Where
- Brazil
- Volunteers
- 28 people
- Sponsor
- Federal University of Paraíba
Pregnancy
Néevo®/NéevoDHA® P.L.U.S. Program (Progress Through Learning, Understand & Support)
This is an observational study in which patients who have been prescribed Néevo®/NéevoDHA® are invited to participate in surveys about their pregnancy and experiences with Néevo®/NéevoDHA®.
- Trial name
- NCT01358552
- Testing
- Néevo®/ NéevoDHA®
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Pamlab, Inc.
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
Autoimmune Diseases, Helicobacter Pylori Gastritis
Pyloric or Pseudopyloric Metaplasia of the Corpus Mucosa in Autoimmune Gastritis
The study is aimed to investigate the different rates of pyloric/ pseudopyloric metaplasia or spasmolytic polypeptide-expressing metaplasia (SPEM) of corpus between autoimmune gastritis and H. pylori-infected non-ulcer dyspepsia.
- Conditions
- Autoimmune Diseases, Helicobacter Pylori Gastritis, Anemia, Pernicious, Metaplasia
- Trial name
- PM_in_AIG (NCT05238181)
- Testing
- Assess pyloric or pseudopyloric metaplasia of corpus by H&E stains, Assess pyloric or pseudopyloric metaplasia of corpus by TFF2 immunohistochemistry stains, The assessment of corpus-predominant gastritis index (CGI), Operative Link for Gastritis Assessment (OLGA), and Operative Link on Gastric Intestinal Metaplasia assessment (OLGIM)
- Where
- Taiwan
- Volunteers
- 300 people
- Sponsor
- National Cheng-Kung University Hospital
Nutritional Status, Nutrient Deficiency
Adults Nutrition as a Protective or Health-risk Factor
To obtain up-to-date data on nutrient intakes in adults, a national dietary survey - the EU Menu study will be conducted during 12 consecutive months in 2017/2018, providing data on the consumption of foods and enabling the…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NUTRIHEALTH (NCT03284840)
- Testing
- Assessement of nutritional status, Thyroid size
- Where
- 3 sites in Slovenia
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
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
Neural Tube Defects, Folic Acid Deficiency
Using Iodized Salt to Improve Serum Folate, B12 and Iron Levels
Question: How effective is fortified iodized salt in increasing serum concentrations of folate, B12 and iron among non-pregnant and non-lactating women of reproductive age? Hypothesis: Micronutrient fortified iodized salt can…
- Conditions
- Neural Tube Defects, Folic Acid Deficiency, Spina Bifida, Anencephaly-Spina Bifida
- Trial name
- NCT06904612
- Testing
- Micronutrient fortified iodized salt
- Where
- 2 sites in United States, India
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hydrocephalus and Neuroscience Institute
Pregnancy Related, Vitamin B 12 Deficiency
Vitamin B12 Supplementation During Pregnancy on Cognitive Development
Scientific basis: Globally, vitamin B12 deficiency is one of the most common micronutrient deficiencies. The only relevant source of vitamin B12 is animal-source foods and poor gut function may decrease absorption.
- Conditions
- Pregnancy Related, Vitamin B 12 Deficiency, Anemia
- Trial name
- VitaPreg (NCT03071666)
- Testing
- cobalamin
- Where
- Nepal
- Volunteers
- 800 people
- Sponsor
- Centre For International Health
Dementia With Vitamin B12 Deficiency
The Role of Methycobalamin in Early Dementia Patients With Vitamin B12 Deficiency and Hyperhomocysteinaemia.
Patients who fit the inclusion criteria are admitted into the study. They are given 3 IV injection of MBL in the first week and one tablet three times a day for 16 weeks.
- Trial name
- NCT00165711
- Testing
- Mecobalamin
- Where
- China
- Sponsor
- Eisai Co., Ltd.
Vitamin B12 Deficiency, Type 2 Diabetes Mellitus
Metformin Use and Vitamin B12 Deficiency
The primary objective is to determine the incidence of Vitamin B12 deficiency in patients on metformin therapy for diabetes.
- Trial name
- NCT01136512
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Vitamin B12 Deficiency
Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis Patients
Vitamin B12 has several important functions in the body, two of which are production of red blood cells and the maintenance of a healthy nervous system. When vitamin B12 is deficient, abnormal red blood cells form.
- Trial name
- NCT01876732
- Testing
- Vitamin B12
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Northwell Health
Nitrous Oxide Abuse, Subacute Combined Cord Degeneration
Neurological Recovery Following NOS-SACD
Nitrous oxide has become an increasingly popular recreational drug amongst young people, particularly at festivals, nightclubs and parties.
- Conditions
- Nitrous Oxide Abuse, Subacute Combined Cord Degeneration, Neurologic Symptoms, Paresthesia
- Trial name
- NCT05714917
- Testing
- Observational study with no interventions
- Where
- 3 sites in United Kingdom
- Volunteers
- 100 people
- Sponsor
- Nottingham University Hospitals NHS Trust
Macrocytic Anemia With Vitamin B12 Deficiency
Transdermal Iontophoresis of Vitamin B12 Under Three Different Skin Preparations
STUDY DESIGN: Phase I Clinical Trial The researchers set out to assess the effectiveness of transdermal iontophoretic administration of Vitamin B12 (V.B12) under three different skin preparatory conditions. SETTING: James J.
- Trial name
- NCT04027959
- Testing
- Vitamin B12
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
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