Clinical trials: Vitamin C
Preeclampsia Severe, Preeclampsia Postpartum
Effects of Vitamin C Administration on Extravascular Lung Water in Patients With Severe Features of Preeclampsia
The objective of the study is to determine whether administration of vitamin C (1.5g/6 hours) in the first three days post-partum reduces the amount of extravascular lung water assessed by lung ultrasound in patients with severe…
- Trial name
- NCT03451266
- Testing
- Vitamin C
- Where
- Slovenia
- Volunteers
- 34 people
- Sponsor
- University Medical Centre Ljubljana
Immediate Dental Implant
The Effect Of Hyaluronic Acid And Melatonin With Systemic Administration of Vitamin C On Implant Stability After Immediate Implant in Anterior Region
The concept of immediate implant placement at the time of tooth extraction was first introduced by Schulte et al. on animal studies.
- Trial name
- NCT03804177
- Testing
- immediate implant placement with melatonin hyaluronic acid vit C, immediate implant placement without melatonin hyaluronic acid vit C
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Iron Deficiency Anemia
Preconception vs First-Trimester Screening and Treatment for Iron Deficiency Anemia
This cluster randomized trial compares preconception with early-pregnancy anemia screening and iron supplementation, assessing late pregnancy iron deficiency anemia and maternal and infant outcomes.
- Trial name
- NCT07811765
- Testing
- Preconception Anemia Screening and Treatment Strategy, Early-Pregnancy Anemia Screening and Treatment Strategy
- Where
- China
- Volunteers
- 960 people, healthy volunteers welcome
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Myelodysplastic Syndromes, Acute Myeloid Leukemia
Ascorbic Acid Levels in MDS, AML, and CMML Patients
This study is a non-interventional, specimen collection translational study to evaluate vitamin C levels in the peripheral blood of Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), or Chronic Myelomonocytic Leukemia…
- Conditions
- Myelodysplastic Syndromes, Acute Myeloid Leukemia, Chronic Myelomonocytic Leukemia, MDS
- Trial name
- NCT03526666
- Testing
- Peripheral blood collection
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Van Andel Research Institute
Restless Leg Syndrome
Restless Legs Syndrome in Hemodialysis Patients
Restless legs syndrome (RLS) is defined as the spontaneous movement of the limbs (mainly legs) associated with unpleasant - painful sensation which is relieved by moving the affected limb.
- Trial name
- NCT03337529
- Testing
- Vitamin C
- Where
- Lebanon
- Volunteers
- 19 people
- Sponsor
- Makassed General Hospital
Type 2 Diabetes Mellitus (T2DM), Insulin Resistance
Validation of the Snouda Metabolic Score for Phenotyping and Guiding Reversal in Type 2 Diabetes
This study tests a new tool called the Snouda Metabolic Score (SMS) that helps doctors identify the specific metabolic problems driving Type 2 Diabetes in each individual patient.
- Conditions
- Type 2 Diabetes Mellitus (T2DM), Insulin Resistance, Metabolic Syndrome
- Trial name
- SMS-VAL (NCT07606872)
- Testing
- Phenotype-Matched Dietary Protocol, Structured Progressive Exercise Protocol, Targeted Nutritional Supplementation
- Where
- United Kingdom
- Volunteers
- 150 people
- Sponsor
- Salah Snouda
Pregnancy, Birth Weight
Prenatal Multi-micronutrient Supplementation and Pregnancy Outcome
Prenatal maternal micronutrient supplementation has been suggested as a means to reduce the proportion of low birth weight babies in low-income countries.
- Trial name
- NCT00168688
- Testing
- multi micronutrient supplement, MN1, MN2
- Where
- Guinea-Bissau
- Volunteers
- 2,100 people, healthy volunteers welcome
- Sponsor
- Bandim Health Project
Dietary Supplements, Connective Tissue
Developing a Nutritional Supplement to Increase Collagen Synthesis in People
The purpose of this study is to test whether a natural product supplement can potentiate the increase in collagen synthesis following the ingestion of collagen protein.
- Conditions
- Dietary Supplements, Connective Tissue, Exercise
- Trial name
- NCT06138106
- Testing
- Natural Product Supplement
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Iron Deficiencies
Efficacy Evaluation of an ODF Iron Supplement Vs an Iron Supplement in Capsules in Subjects with Mild Anemia
The aim of the study is to evaluate the efficacy of a new iron supplement with orodispersible formulation vs an iron supplement in capsules in subjects with mild anemia.
- Trial name
- NCT05989984
- Testing
- ODF Iron Supplement, Iron Supplement in Capsules
- Where
- Italy
- Volunteers
- 23 people
- Sponsor
- IBSA Farmaceutici Italia Srl
Cystic Fibrosis
Cystic Fibrosis and Endothelial Function: At Rest and During Exercise
Perhaps one of the most disturbing aspects of Cystic Fibrosis (CF) is the associated premature death. Oxidative stress has been observed in patients with CF and exercise intolerance has been shown to predict mortality in patients…
- Trial name
- NCT01772758
- Testing
- BH4 5mg, BH4 20mg, Antioxidant Cocktail
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Augusta University
Pityriasis Alba
Serum 25(OH) Vitamin D and Total Serum Immunoglobulin E Levels in Patients With Pityriasis Alba
Pityriasis alba (PA) is a common, benign skin disorder occurring predominantly in children and adolescents. It is characterized by ill-defined hypopigmented macules and patches, round or oval in shape.
- Trial name
- NCT03443765
- Testing
- Detection of Plasma levels of 25(OH) vitamin D by ELISA technique, Detection of Total serum immunoglobulin E by ELISA technique
- Where
- Uzbekistan
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Research Institute of Epidemiology, Microbiology and Infectious Diseases, Uzbekistan
Healthy, Suboptimal Vitamin C Levels
The Impact of Qualia Vitamin C+ on Blood Vitamin C Levels
This is a double-blind, placebo-controlled, parallel-group, study evaluating the effect of a Qualia Vitamin C+ formulation on Whole Blood Vitamin C levels in the blood of healthy adults aged 25 years or older.
- Trial name
- NCT07285109
- Testing
- Qualia Vitamin C+
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Qualia Life Sciences
Diabetes Mellitus, Type 1
Protective Effects of Saxagliptin (And Vitamin D3) on β Cell Function in Adult-onset Latent Autoimmune Diabetes
The main purpose of this study is to evaluate whether saxagliptin or (and vitamin D3) with metformin (and insulin) therapy can better protect islet β cell function than metformin(and insulin) .
- Trial name
- NCT02407899
- Testing
- Saxagliptin, Vitamin D3, Insulin
- Where
- 39 sites in China
- Volunteers
- 300 people
- Sponsor
- Second Xiangya Hospital of Central South University
Glaucoma
Evaluation of the Effect of Citicoline and Docosahexaenoic Acid (DHA) on the Visual Function of Patients With Glaucoma
Pilot, single-blind, randomized and controlled study to evaluate the changes produced in the visual function of patients with glaucoma after oral administration for 3 months of citicoline and docosahexaenoic Acid (DHA) vs…
- Trial name
- NCT05527106
- Testing
- Citicoline, Docosahexaenoic Acid (DHA), Citicoline and Docosahexaenoic Acid (DHA)
- Where
- Spain
- Volunteers
- 73 people
- Sponsor
- Institut Catala de Retina
Chronic Obstructive Pulmonary Disease (COPD)
Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers
Smoking damages the airway epithelium. The major mechanism by which this is done is by molecules called free radicals. Our body attempts to deal with these damaging molecules in two ways.
- Trial name
- NCT00565214
- Testing
- Group 1, Group 2
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Gingivitis, Orthodontic Appliance Complication
Derma Pen as Treatment of Gingivitis Induced by Orthodontics
Although orthodontic therapy frequently improves tooth alignment and appearance, its problems with oral hygiene can make patients highly susceptible to gingivitis. After orthodontic treatment, gingivitis is a typical problem.
- Trial name
- NCT06567405
- Testing
- mechanical periodontal treatment, Derma pen with topical ascorbic Acid
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Safa Basiouny Alawy
Male Infertility
Body Mass Index and Age Correlate With Antioxidant Supplementation Effects on Sperm Quality
Spermatozoa are vulnerable to lack of energy and oxidative stress as a result of elevated levels of reactive oxygen species. Therefore, it is essential that appropriate nutrients are available during maturation.
- Trial name
- NCT04177667
- Testing
- Proxeed
- Volunteers
- 104 people
- Sponsor
- University of Roma La Sapienza
Male Infertility
Effect of Eurycoma Longifolia (DLBS5055) and Multivitamins (Vitamin C+Vitamin E+ β-carotene) for Infertile Males
Infertility is defined as the inability of a couple to get pregnant after one year of regular and unprotected sexual intercourse.
- Trial name
- NCT06100432
- Testing
- DLBS5055 200mg, Multivitamin (Vitamin C 500mg + Vitamin E 100IU + Beta Carotene 10000IU)
- Where
- Indonesia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Duta Wacana Christian University
Hand, Foot and Mouth Disease
A Clinical Trial to Evaluate the Effectiveness and Safety of Chinese Medicine in the Treatment of Mild Type of Hand, Foot, and Mouth Disease
The study is aimed to evaluate the effectiveness and safety of traditional Chinese medicine (TCM) for treatment of hand, foot, and mouth disease (HFMD).
- Trial name
- NCT01182532
- Testing
- Western therapy, TCM Syndrome Differentiation and Treatment, Western therapy plus TCM treatment
- Where
- 21 sites in China
- Volunteers
- 3,000 people
- Sponsor
- The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine
Iron Deficiency Anemia
FLIPS: Ferfer Liposomal Iron Performance Study
To evaluate the efficacy of a novel food supplement, Ferfer® to raise the capacity of Haemoglobin and Haematocrit levels
- Trial name
- FLIPS (NCT03112187)
- Testing
- Iron Supplement
- Where
- Pakistan
- Volunteers
- 400 people
- Sponsor
- PharmEvo Pvt Ltd
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