Clinical trials: Vitamin Deficiencies
- Condition Vitamin Deficiencies
- Funder type Industry (pharma, biotech, devices)
- Accepts healthy volunteers yes
Endothelial Dysfunction, Hyperhomocysteinemia
Effect of L-Arginine and Pycnogenol on Light to Moderate Hypertension and Endothelial Function
The effect of a combination product (Verum ) with L-arginine, Pycnogenol, vitamin K2, R-(+)-alpha-lipoic acid and vitamins B6, B12 and folic acid is investigated in a double blind placebo-controlled cross-over study.
- Conditions
- Endothelial Dysfunction, Hyperhomocysteinemia, Hypertension Grade I, Subgroup "Borderline" (WHO)
- Trial name
- NCT02392767
- Testing
- Verum
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Dr. Loges & Co. GmbH
Vitamin D Deficiency, Vitamin D Insufficiency
ALPCO 25(OH) Vitamin D CLIA Kit - Fresh Versus Frozen Serum and Plasma Stability Study
This study evaluates the stability of 25-hydroxyvitamin D [25(OH)D] measurements in human serum and plasma using the ALPCO 25(OH) Vitamin D CLIA Kit.
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency, Healthy Volunteers
- Trial name
- NCT07565064
- Testing
- ALPCO 25(OH) Vitamin D CLIA Kit
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- American Laboratory Products Company
Anemia in Pregnancy, Preeclampsia
A Retrospective Analysis of Neevo®/Neevo®DHA 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 Neevo®DHA (with higher folate and B12) versus standard prenatal vitamins on hemoglobin (Hgb) levels in pregnant women throughout the…
- Trial name
- NCT01062958
- Testing
- Neevo® (a medical food), Prenatal vitamins (≤1mg folic acid, 27 - 35mg iron, and ≤12mcg vitamin B12)
- Where
- 3 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pamlab, Inc.
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Asthma, Vitamin D Deficiency
Rapid vs Maintenance Vitamin D Supplementation in Deficient Children With Asthma to Prevent Exacerbations.
The role of vitamin D in respiratory health remains uncertain. Whether vitamin D reduces clinically important exacerbations of childhood asthma remains uncertain.
- Trial name
- NCT01395589
- Testing
- Vitamin D
- Where
- Qatar
- Volunteers
- 597 people, healthy volunteers welcome
- Sponsor
- Hamad Medical Corporation
Vitamin D Deficiency
A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009)
This study will assess the effectiveness of an investigational drug in elderly subjects with low vitamin D levels.
- Trial name
- NCT00242476
- Testing
- MK0822A
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Healthy Volunteers
Predictive Questionnaire for Vitamin D Insufficiency in Healthy Adults
The purpose of this clinical study is to evaluate the metrological properties of a questionnaire that aims to identify the vitamin D status in reference to a vitamin D blood dosage.
- Trial name
- NCT02408679
- Testing
- Blood sampling, Predictive questionnaire for vitamin D insufficiency
- Where
- France
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Lesieur
Vitamin Deficiency
Study of Absorption Characteristics of Two Multivitamin Mineral Formulations (Gel vs. Tablet/Capsule)
This clinical study is designed to evaluate difference in the AUC of the absorption of Multivitamin and minerals defined in the protocol
- Trial name
- NCT03146273
- Testing
- Multivitamins
- Where
- Israel
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Galilee CBR
Vitamin D Deficiency
Comparative Pharmacokinetics of Two Different Oral Delivery Systems of Cholecalciferol
The aim of this study is to adapt the gold standard of research and to explore the comparative bioavailability and clinical efficacy of the two most commonly used forms of Cholecalciferol i.e. ampoules and softgel capsules.
- Trial name
- PLUTO (NCT05104970)
- Testing
- SunnyD insta ampoule, SunnyD STAT softgel capsule
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Scotmann Pharmaceuticals
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.
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.
Vitamin C Deficiency
The Effect of Liposome Vitamin C on the Absorption and Metabolism of the Human Body.
To evaluate the difference between vitamin C in the form of oral liposomes and general vitamin C in a fixed period of time in plasma and urine.
- Trial name
- NCT04886752
- Testing
- vitamin C without liposome, liposomal process A vitamin C, liposomal process B vitamin C (Double Nutri™)
- Where
- Taiwan
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.
Vitamin D Deficiency
Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3
Vitamin D is a commonly available essential prohormone humans need to regulate blood calcium and has recently emerged as potentially helpful in combating severe COVID-19.
- Trial name
- ViDAS (NCT04885803)
- Testing
- Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test
- Where
- United States
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Inspired Life Medical, Inc.
Iron Deficiency Anemia
Nutrient Fortified Oat Drink
This study will follow a randomized, double-blind, placebo-controlled, parallel-group design to test if an oat beverage fortified with iron, zinc vitamin A and vitamin C will improve nutrient status and iron deficiency in young…
- Trial name
- NCT01418898
- Testing
- Dietary Intervention
- Where
- Philippines
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
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
Vitamin D Deficiency
Efficacy of the Dose Regimen of Oral Vitamin D 50,000 IU in the Treatment of Vitamin D Deficiency
Abstract: The main objective of the proposed study is to examine the Safety and Efficacy Evaluation of the Dose Regimen of Vitamin D 50,000 IU (Biodal) tablet supplementation in the treatment of population with vitamin D…
- Trial name
- NCT02192229
- Testing
- 50.000 IU vitamin D3 (Biodal 50,000 IU)
- Where
- Jordan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hayat Pharmaceutical Co. PLC
Menopause, Vitamin D Deficiency
Effect of Consumption of Yogurt Fortified in Calcium and Vit. D on Circulating Levels of 25OHD in Postmenopausal Women
The purpose of this study is to evaluate the effect of daily consumption of one or two CALIN+ pot(s) versus no intake of product, after 4, 8, 12 and 16 weeks, on the evolution of the serum concentration of 25-hydroxy vitamin D…
- Trial name
- NCT02534064
- Testing
- CALIN+
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Yoplait France SAS
Polycystic Ovary Syndrome, Hypovitaminosis D
The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS)
This is a prospective double-blind, randomized, parallel-group, placebo-controlled trial designed to examine the effect of supplementation with 50,000 IU vitamin D3 for 3 months on Polycystic Ovary Syndrome (PCOS) prognosis…
- Trial name
- NCT02328404
- Testing
- 50,000 IU vitamin D3
- Where
- Jordan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hayat Pharmaceutical Co. PLC
Prevention of Vitamin Deficiency During and/or Before Pregnancy
A Study to Gather Information About the Progress and Outcomes of Pregnancy in Women Using Various Vitamin Support Plans Before and During Pregnancy
This is an observational study in which data from the participants who will be taking different vitamin supplementation regimes before and during pregnancy.
- Trial name
- NCT05062044
- Testing
- Multivitamins (Elevit, BAY987808), Multivitamins (Elevit, BAY2906300), Multivitamins (Elevit, BAY987386)
- Where
- 3 sites in Kazakhstan, Russia and 1 more
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Bayer
Vitamin D Deficiency
Study Vitamin D in Healthy Individuals
To obtain sufficient specimens and correlating clinical data from a well-controlled prospective clinical trial collecting specimens from healthy subjects t on vitamin D assays, and to establish a collection of specimens that will…
- Trial name
- NCT02250625
- Where
- United States
- Volunteers
- 482 people, healthy volunteers welcome
- Sponsor
- Fujirebio Diagnostics, Inc.