Clinical trials: Ascorbic Acid Deficiency
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
Septic Shock, Ascorbic Acid Deficiency
Outcomes of Septic Shock Patients Treated With a Metabolic Resuscitation Bundle Consisting of Intravenous Hydrocortisone, Ascorbic Acid and Thiamine.
This is a retrospective chart review that will measure the impact on outcomes in septic shock patients who were resuscitated with a novel combination of medicines called iHAT (intravenous hydrocortisone -ascorbic acid-thiamine).
- Trial name
- NCT03913468
- Testing
- Intravenous Ascorbic Acid
- Where
- United States
- Volunteers
- 206 people
- Sponsor
- University of Wisconsin, Madison
Endothelial Dysfunction
A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction
This Phase 2, randomized, open-label, 2-treatment, 2-sequence, 2-period crossover, pharmacokinetic (PK) study will compare plasma concentrations of BH4 in subjects with endothelial dysfunction following 14 days of treatment by…
- Trial name
- NCT00532844
- Testing
- Sapropterin Dihydrochloride, Sapropterin Dihydrochloride and Vitamin C
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- BioMarin Pharmaceutical
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
Vitamin C Deficiency, Acute Disease
A Long-term Study to Describe the Use of PASCORBIN® 7.5 g in Patients With Vitamin C Deficiency
The aim of this long-term observational study is the documentation of the use of PASCORBIN® 7.5 g in patients with vitamin C deficiency.
- Conditions
- Vitamin C Deficiency, Acute Disease, Chronic Disease
- Trial name
- NCT02422901
- Testing
- vitamin C
- Where
- Germany
- Volunteers
- 5,000 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
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
Iron Deficiency (Without Anemia)
Effect of Chitin and Ascorbic Acid on Dietary Insect Iron Absorption
Iron is involved in many vital metabolic processes such as oxygen transport, electron transport in cells, DNA synthesis and repair, and muscle metabolism.
- Trial name
- INSECTE (NCT06822062)
- Testing
- Meal A, Meal B, Meal C
- Where
- Switzerland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Swiss Distance University of Applied Sciences
Sepsis, Septic Shock
Evaluation of Safety and Dosing of a Vitamin C Bundle for Sepsis Treatment in Africa
Open-label phase 2a Randomized Controlled Trial (RCT) assessing the pharmacokinetics of two different doses of intravenous vitamin C given alongside vitamin B1 in adult medical patients with sepsis and hypotension.
- Conditions
- Sepsis, Septic Shock, HIV
- Trial name
- REVISTA-DOSE (NCT04999137)
- Testing
- Vitamin C, Vitamin B1
- Where
- 2 sites in Uganda
- Volunteers
- 60 people
- Sponsor
- Liverpool School of Tropical Medicine
Anemia, Iron Deficiency Anemia
The Effect of Combined Iron Protocols on Perioperative Allogeneic Transfusion
The goal of this clinical trial is to learn if a combined iron supplementation regimen can reduce the need for blood transfusions in adults with iron-deficiency anemia undergoing major elective cardiac surgery.
- Conditions
- Anemia, Iron Deficiency Anemia, Perioperative, Transfusion
- Trial name
- CIPAT (NCT06012760)
- Testing
- Iron sucrose, Human Erythropoietin Injection, Vitamin C, Standard Medical Care
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Vitamin C Deficiency, Scurvy
Study of Prevalence and Risk Factors of Hypovitaminosis C in Long Term Care Unit
The clinical finding of skin rashes which appear after a vitamin C deficiency in Long Term Care Unit leads us to believe that the institutional diet could predispose to this kind of deficiency.
- Trial name
- Vitamin C (NCT03807791)
- Testing
- Blood sample
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Hospices Civils de Lyon
Iron-deficiency
Determination of a Dose-dependent Effect of GOS on Iron Absorption, and Addition of Vitamin C
Iron deficiency is still the most common and widespread nutritional disorder in the world according to WHO. In a recent iron absorption study in adult women with low iron stores in our lab (publication under review), we found…
- Trial name
- Fe_GOS_2 (NCT03762148)
- Testing
- ferrous fumarate, ferrous sulphate, ferric pyrophosphate
- Where
- Switzerland
- Volunteers
- 46 people
- Sponsor
- Isabelle Herter-Aeberli
Hyperemesis Gravidarum, Nausea Gravidarum
Chewing Gum Containing Vitamin-c to Treat Emesis Gravidarum
Nausea and vomiting is a common complication of pregnancy and occurs in 70-80% of all pregnancies. The symptoms usually start 2-4 weeks after fertilization and peak between the 9th and 16th week of gestation.
- Conditions
- Hyperemesis Gravidarum, Nausea Gravidarum, Vitamin C Deficiency
- Trial name
- NCT04284696
- Testing
- Pregnan-C-Gum(R) chewing gum
- Where
- Austria
- Volunteers
- 126 people
- Sponsor
- Medical University of Vienna
Osteoporosis, Vitamin C Deficiency
Link Between ASCorbemia Level and Osteoporosis
This monocentric observational study aims to evaluate the association between plasma vitamin C levels (ascorbemia) and the presence of osteoporotic vertebral fractures in patients with osteoporosis.
- Conditions
- Osteoporosis, Vitamin C Deficiency, Vertebral Fractures
- Trial name
- ASCO (NCT07660484)
- Testing
- Plasma vitamin C assessment
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Patient Blood Management, Cardiac Surgery
Effect of the Combined Programme on Perioperative Anaemia（CPPA）
We used the preoperative intervention of iron sucrose in combination with human erythropoietin and vitamin C as an innovative combination therapy.
- Conditions
- Patient Blood Management, Cardiac Surgery, Iron Deficiency Anemia
- Trial name
- NCT05353348
- Testing
- Iron Sucrose, recombinant human erythropoietin, ascorbic acid, conventional treatment
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Hypothyroidism, Primary Hypothyroidism
Effect of Vitamin C Supplementation in Patients With Primary Hypothyroidism
Thyroid disease affects almost a quarter of a billion individuals worldwide and more than 50% of them being not aware of this condition.
- Conditions
- Hypothyroidism, Primary Hypothyroidism, Vitamin C Deficiency
- Trial name
- NCT05733078
- Testing
- Vitamin C, Oral Rehydration Salt Formulations
- Where
- United Arab Emirates
- Volunteers
- 40 people
- Sponsor
- Dr Adnan Agha
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
Pyruvate Kinase Deficiency, Glucose 6 Phosphate Dehydrogenase Deficiency
High-Dose Vitamin C in G6PDA and Pyruvate Kinase Deficiency: A Safety Study
This study is testing whether high-dose Vitamin C is safe and well-tolerated in patients with two inherited red blood cell disorders - Pyruvate Kinase Deficiency (PKD) and Class A Glucose-6-Phosphate Dehydrogenase Deficiency…
- Trial name
- G6PDA PKD (NCT07612345)
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Utah
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
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
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