Clinical trials: Folate
Drug Interactions, Contraception
A Drug Interaction Study of Folic Acid and Oral Contraceptive Tablets Containing Norgestimate (NGM)/Ethinyl Estradiol (EE) in Healthy Women.
The purpose of the study is to assess the effect of folic acid administration on the blood level and the breakdown products of oral contraceptive (OC) [250 mcg NGM/35 mcg EE] tablets.
- Conditions
- Drug Interactions, Contraception, Pharmacokinetics
- Trial name
- NCT00709332
- Testing
- Norgestimate; Ethinyl Estradiol; Folic acid
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Pregnancy Related, Antenatal Care
Multiple Micronutrient Supplementation vs Iron and Folic Acid Among Pregnant Women in Cambodia
Iron and folic acid (IFA) supplements are currently provided to Cambodian women during pregnancy. However, recent research has showed benefit of a multiple micronutrient supplement (MMS) over just IFA alone on several outcomes of…
- Conditions
- Pregnancy Related, Antenatal Care, Iron Folic Acid Supplementation
- Trial name
- MMS-Cambodia (NCT05867836)
- Testing
- IFA vs. MMS during pregnancy
- Where
- Cambodia
- Volunteers
- 1,545 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Preeclampsia
Cornell University-Micronutrient Initiative Calcium Supplementation Study
The World Health Organization (WHO) now recommends prenatal calcium supplementation for prevention of preeclampsia in populations with inadequate dietary intake.
- Trial name
- MICA (NCT02238704)
- Testing
- Regimen A calcium and iron/folic acid, Regimen B calcium and iron/folic acid
- Where
- 16 sites in Kenya
- Volunteers
- 1,032 people, healthy volunteers welcome
- Sponsor
- Cornell University
Non Proliferative Diabetic Retinopathy, Proliferative Diabetic Retinopathy
Effect of Folic Acid, Vitamin B6 and Vitamin B12 in Diabetic Retinopathy
Homocysteine, a well-known inducer of vascular endothelial cell damage has been associated with extracellular matrix changes. Many studies demonstrated that high levels of this aminoacid in diabetic patients increases…
- Trial name
- NCT01921192
- Testing
- Folic Acid, vit B6 and B12
- Where
- Italy
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Catania
Anemia
Trial of Pre-Pregnancy Supplements
The purpose of this study is to determine whether daily oral supplements of multivitamins (including vitamins B-complex, C and E) along with Iron and folic acid given to non-pregnant women results in lower prevalence of anemia in…
- Trial name
- TOPPS (NCT01183572)
- Testing
- Multivitamins, Folic Acid, and Iron, Folic Acid and Iron, Folic Acid
- Where
- Tanzania
- Volunteers
- 802 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Postoperative Cognitive Dysfunction
POCD: Correlations With the Gene Polymorphism and the Concentrations of Plasma Homocysteine, Folic Acid and Vitamin B12.
To study on the Postoperative Cognitive Dysfunction: Correlations With the Gene Polymorphism and the Concentrations of Plasma Homocysteine, Folic Acid and Vitamin B12.
- Trial name
- NCT03084393
- Where
- China
- Volunteers
- 215 people, healthy volunteers welcome
- Sponsor
- Xuzhou Medical University
Obesity, Neural Tube Defects
Folate Metabolism in Normal Weight and Obese Women of Child-bearing Age
The purpose of this study is to determine if there is a difference in the short term response in serum folate after a single dose of folic acid in normal weight and obese women of childbearing age.
- Trial name
- NCT01743196
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Off-spring Cancer Risk
Parental One-carbon Folate and Choline Nutrition Modulates Risk of Off-spring Cancer Development: Human Cohort Study
Parental one-carbon nutrient intake (folic acid and choline) and the genetic polymorphisms of one-carbon metabolic enzyme were interact with regulating embryonic one-carbon metabolic environment, affect fetal DNA and RNA…
- Trial name
- NCT02266641
- Testing
- nutrition counseling, multivitamin supplement
- Where
- Taiwan
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Overweight and Obesity
Polymorphism C677T MTHFR and Folate Intake in Inflammatory Biomarkers
The C677T polymorphism of the MTHFR gene is associated to several biochemicals imbalances, as changes in folic acid serum levels and some inflammatory markers, elevating the oxidative stress and increasing the risk of developing…
- Trial name
- NCT03186196
- Testing
- Diet containing Folate
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Federal University of Paraíba
Dietary Assessment
Dietary Intake of Folic Acid and Vitamin B12 Among Teenage Girls - Validation of Food Frequency Questionnaire
Folate and vitamin B12 deficiencies are associated with various health issues, including anemia, cardiovascular disease, depression, and birth defects.
- Trial name
- NCT06094023
- Testing
- Food Frequency Questionnaire, 24 Hour food recall
- Where
- Ethiopia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Ghent
Exercise Physiology, Blood Parameters
Blood Parameter Changes Following Aerobic Exercise in Professional Soccer Players
This study aims to investigate acute changes in serum ferritin, folate, vitamin B12, and parathyroid hormone (PTH) levels following aerobic exercise in professional soccer players.
- Trial name
- ABP-Soccer (NCT07826598)
- Testing
- 20-Meter Shuttle Run Test
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Inonu University
Healthy
Where is the Initial Site of Biotransformation of Folates in Humans?
The aim of this study is to test the assumption that, in humans, folic acid, a dietary supplement is biotransformed (reduced and methylated) to the natural circulating plasma folate 6S-5Methyltetrahydrofolic acid (5-MTHF) in the…
- Trial name
- FOLTIPS (NCT02135393)
- Testing
- 13C5-folic acid or 13C5-6S-5-FormylTHF
- Where
- 2 sites in United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Healthy
Estimation of Plasma Folate Apparent Volume of Distribution in Adults
The aim of this study is to calculate the plasma apparent volume of distribution of natural folate to give a more accurate value for use in a mathematical model of apparent folate absorption.
- Trial name
- FOLCAN (NCT00975351)
- Testing
- 13C5-labelled 5-methyltetrahydrofolic acid
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Quadram Institute Bioscience
Female Contraception, Contraception
Bioequivalence Study of the Oral Contraceptive Tablet Containing Norgestimate (NGM)/Ethinyl Estradiol (EE) With or Without Folic Acid in Healthy Women.
The purpose of the study is to determine the bioequivalence of NGM and EE in 2 formulations of 250 mcg NGM/35 mcg EE, 1 without folic acid and 1 containing 400 mcg folic acid.
- Conditions
- Female Contraception, Contraception, Therapeutic Equivalency, Pharmacokinetics
- Trial name
- NCT00709189
- Testing
- Norgestimate/Ehinyl Estradiol; Folic acid.
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
the Effect of MTHFR C677T on Folate Metabolism
Effect of Folic Acid on Primary Folate Forms in Relation to MTHFR
The common polymorphism in MTHFR gene (C677T) has a significant effect on (6S)-5-CH3-H4folate after folic acid supplementation. For example, post supplementation differences in (6S)-5-CH3-H4folate between CC and TT are above 30%.
- Trial name
- NCT01105351
- Testing
- folic acid plus B6 and B12, folic acid
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universität des Saarlandes
Healthy
Influence of Vitamin-B-complex on Cognitive Ability of Kindergarten Kids
Vitamin-B and Folic intake of Kindergarten kids in Germany is only 50-70% of the official recommendations. In studies with adults it has been found that for example providing people suffering from Alzheimer´s disease improved…
- Trial name
- SIMBA (NCT00811291)
- Testing
- Vitamine-B and Folic Acid Complex, calcium, calcium
- Where
- Germany
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Ludwig-Maximilians - University of Munich
Pregnancy
Folic Acid Supplementation in Pregnant Women: Dose Response
The proposed study is a double-blind randomized controlled trial in healthy pregnant women (BMI 18.5 - 29.9 kg/m2, age 18 - 40 yr) receiving prenatal care at Athens Regional Midwifery clinic (ARMC).
- Trial name
- FAPREG (NCT02124642)
- Testing
- Folic acid, 400 mcg/day, Folic acid 800 mcg/day
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Polycystic Ovary Syndrome, Hirsutism
Combination Therapy With Myo-inositol and Folic Acid Versus Myo-inositol Alone
Previous studies have demonstrated that Myo-inositol is capable of restoring spontaneous ovarian activity, and consequently fertility, in most patients with PCOS.
- Conditions
- Polycystic Ovary Syndrome, Hirsutism, Menstrual Irregularity
- Trial name
- NCT01555190
- Testing
- myo-inositol 1500 gr, myo-inositol 2000 gr + folic acid 200 mcg
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Catholic University of the Sacred Heart
Characterize rs70991108 Polymorphism of DHFR Gene
DHFR 19 bp Deletion Polymorphism and Folic Acid Utilization
A genetic variation in the gene for the protein dihydrofolate reductase (DHFR) that is necessary to utilize folic acid (a synthetic form of the B vitamin folate found in supplements and fortified food), increases the risk for…
- Trial name
- NCT03319979
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Tufts University
Morbidity, Mortality
Impact of Zinc Supplementation on Mortality and Hospitalizations in Children Aged 1 Months to 23 Months
Children, aged 1 months to 23 months, in the intervention households received zinc, iron and folic acid and those in the control households were administered iron and folic acid (IFA) alone for a period of one year.
- Conditions
- Morbidity, Mortality, Diarrhea, Pneumonia
- Trial name
- NCT00269542
- Testing
- Zinc and iron folic acid - Intervention
- Volunteers
- 94,359 people, healthy volunteers welcome
- Sponsor
- Society for Applied Studies