Clinical trials: Deficiency, Vitamin C
Deficiency, Vitamin C
Hypovitaminosis C Prevalence and Risk Factors in an Acute Geriatric Unit
Vitamin C is essential for numerous biological processes as it acts as a cofactor in various hydroxylation reactions, but also as a powerful antioxidant.
- Trial name
- HYPO-VIT-C (NCT05668663)
- Testing
- Plasmatic Vitamin C concentrations (known as ascorbemia) on a single blood sample
- Where
- France
- Volunteers
- 434 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Iron-deficiency
Measuring Dietary Iron Absorption From Edible Insects and Assessing the Effect of Chitin Content on Iron Bioavailability (Study 2)
Due to the growing world population, there is a need to develop viable ecological and nutritional alternatives to animal food products.
- Trial name
- Sustironable2 (NCT05328141)
- Testing
- Bread and butter, X.gideon, X.gideon with ascorbic acid
- Where
- Switzerland
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Haematopoiesis
A Study to Demonstrate the Efficacy and Tolerability of Ferrous Bisglycinate Chelate in Iron Deficiency Anaemia and to Compare These With Those of Ferrous Ascorbate.
Iron deficiency anaemia (Haemoglobin, Hb < 12gm/dl) is one of India's major public health problems particularly in women. Effective control of iron deficiency anaemia decreases the incidence of fatigue, bodyache, headache, lack…
- Trial name
- NCT01160198
- Testing
- ferrous ascorbate, ferrous bisglycinate chelate 1 OD, ferrous bisglycinate chelate 2 OD
- Where
- 7 sites in India
- Volunteers
- 271 people
- Sponsor
- GlaxoSmithKline
Vitamin C Deficiency, Smoking
The Effect of Vitamin C on Wound Healing In Mandibular Fracture Patients
The goal of this study is to perform a randomized clinical trial to assess the effects of vitamin C versus placebo on wound healing in mandibular fracture patients.
- Conditions
- Vitamin C Deficiency, Smoking, Surgery, Surgery--Complications
- Trial name
- NCT03938584
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Hennepin Healthcare Research Institute
Anemia, Iron-Deficiency
the Efficacy and Safety of Vitamin C for Iron Supplementation in Adult IDA Patients
IDA patients ofen receive ferrous succinate treatment to speed up the recovery of anemia, the doctor will prescribe ferrous succinate with or without vitamin C according to their own preferences.
- Trial name
- NCT02631668
- Testing
- ferrous succinate and vitamin C, ferrous succinate
- Where
- China
- Volunteers
- 440 people
- Sponsor
- Huashan Hospital
Anemia, Vitamin D Deficiency
Evaluate the Change in Iron, Vitamin D, and C-Reactive Protein Level (CRP) in a 12 to 24 Week Period
The purpose of this study is to observe changes in iron status and vitamin D status during a 12-24 week supervised training program, specifically males and females between the ages of 30 and 50 years old.
- Trial name
- NCT01328704
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Avera McKennan Hospital & University Health Center
Glucocorticoids Deficiency
Ascorbic Acid Treatment in Congenital Glucocorticoids and Mineralocorticoids Deficiency Due to NNT Mutation
Nicotinamide nucleotide transhydrogenase (NNT) mutations cause glucocorticoid and mineralocorticoid deficiencies through decreased detoxification of reactive oxygen species (ROS) in adrenocortical cells.
- Trial name
- NCT02838472
- Testing
- Ascorbic Acid
- Where
- Israel
- Volunteers
- 3 people
- Sponsor
- Hadassah Medical Organization
Vitamin C Deficiency
The Effect of Vitamin C on GCF Total Oxidant Capacity in Smoker Patients With Periodontitis
The effect of vitamin C supplementation on GCF total oxidant capacity in smoker patients with periodontitis following non-surgical periodontal therapy.
- Trial name
- NCT05009355
- Testing
- Vitamin C
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
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)
Iron Deficiency Anemia
Efficacious Iron for Iron Deficiency Anemia in Adults Aged ≥18 Years
Iron deficiency anemia (IDA) is a widespread condition affecting many people globally. Despite the many cases of IDA, there are few studies that compare the effectiveness of different types of iron supplements with a greater…
- Trial name
- NCT06303531
- Testing
- Ferrous Fumarate, Polysaccharide Iron, Ferrous Ascorbate
- Where
- Canada
- Volunteers
- 111 people
- Sponsor
- Dr. Anil K. Gupta Medicine Professional Corporation
Iron Deficiency, Anemia
The Efficacy of a Local Vitamin-C Rich Fruit (Guava) in Improving Iron Absorption From Mungbean Based Meals and Its Effect on Iron Status of Rural Indian Children (6-10 Years)
Iron deficiency is estimated to affect about one fifth of the world's population, and women and children are among the most severely affected.
- Trial name
- MUGUST_2 (NCT01191463)
- Testing
- Mung Bean Meal, Guava
- Where
- India
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Hypercholesterolemia, Vitamin D Deficiency
Effects of Vitamin D on Lipids
The purpose of this study is to examine whether oral vitamin D supplementation in people with inadequate vitamin D concentrations will lower LDL-cholesterol and total cholesterol concentrations.
- Trial name
- NCT00723385
- Testing
- Vitamin D (1000 or 2000 IU/day)
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Alcoholics
Alcohol Abuse or Alcohol Withdrawal: Risk of Latent Scurvy
Scurvy, or latent scurvy, may be underestimated in developed countries, but continue to be described, often as case report. Little is known about the prevalence of vitamin C deficiency in a specific population as withdrawal…
- Trial name
- NCT03467022
- Testing
- Vitamin C
- Volunteers
- 47 people
- Sponsor
- SCP Battistelli
Scurvy
"Vitamin C Deficiency in Hospitalized Adults: Systematic Screening Vs. Traditional Judgment - a Before-and-After Observational Study"
Brief Summary of the Study The goal of this observational study is to assess the incidence of vitamin C deficiency among hospitalized adults presenting with hemorrhagic signs.
- Trial name
- NCT06876545
- Testing
- systematical screening of at risk patients based on predefined hemorrhagic criteria
- Where
- France
- Volunteers
- 150 people
- Sponsor
- Internist.Ro
Burns, Ascorbic Acid Deficiency
Low Dose Vitamin C in Burns >20% Compared to Previous Studies With High Dose Vitamin C
Burn injury is marked by a large release of inflammatory mediators which disrupt the normal capillary barrier and cause a rapid shift of intravascular fluid into interstitial spaces, ultimately leading to shock and death.
- Conditions
- Burns, Ascorbic Acid Deficiency, Burn Shock, Burn Degree Second
- Trial name
- NCT05612867
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Arrowhead Regional Medical Center
Iron Deficiency Anaemia Due to Dietary Causes, Folic Acid Deficiency Anemia, Dietary
Prevalence and Impact of Micronutrient (Iron-Folic Acid) Deficiencies on the Health of Adolescent Girls in Coastal Areas of Bangladesh
Anemia and iron-folic acid (IFA) deficiencies are major nutritional concerns among adolescent girls in environmentally vulnerable coastal communities of Bangladesh.
- Conditions
- Iron Deficiency Anaemia Due to Dietary Causes, Folic Acid Deficiency Anemia, Dietary, Anemia
- Trial name
- IFA-AG-Coastal (NCT07903558)
- Testing
- Iron-Folic Acid and Zinc Supplementation, Vitamin C Supplementation
- Where
- Bangladesh
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- Patuakhali Science and Technology University
Iron Deficiency Anemia
Effectiveness and Acceptability of LISEFEX® (Liposomal Iron With Vitamin C and Fiber) in People With Iron Deficiency Anemia.
Observational, descriptive, prospective, longitudinal, multicenter, non-interventionist and multicentric study in Mexican subjects diagnosed with mild to moderate iron deficiency anemia (ADH).
- Trial name
- NCT07483645
- Where
- Mexico
- Volunteers
- 74 people
- Sponsor
- Carnot Laboratories
Iron Deficiency Anemia, Infectious Diseases
Efficacy Trial to Examine Efficacy of Multimicronutrient Home Supplementation in Infants
The objective of the program is to examine the efficacy of 6 month home micronutrient supplementation in Bedouin and Jewish children on improvements in nutritional status including measures of iron, ferritin, zinc and folic acid…
- Conditions
- Iron Deficiency Anemia, Infectious Diseases, Undernutrition
- Trial name
- NCT00276198
- Testing
- Sprinkles, Ferripel-3, Vitamins A&D drops
- Where
- Israel
- Volunteers
- 771 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
Iron Deficiency
Iron Bioavailability From Encapsulated Ferrous Sulphate
Salt is one of the very few regularly purchased food item in all socioeconomic classes including poor remote areas with subsistence farming.
- Trial name
- NCT02353325
- Testing
- non-encapsulated FeSO4, encapsulated FeSO4, before cooking, encapsulated FeSO4, after cooking
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology
Vitamin d Deficiency
The Effect of UV-C Enriched Foods on Vitamin D Deficiency
This study is an experimental design study in which demographic characteristics, food consumption, biochemical parameters and anthropometric measurements of individuals with low vitamin D levels before and after consuming…
- Trial name
- NCT06098820
- Testing
- Vitamin D status
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Okan University