Clinical trials: Ascorbic Acid Deficiency
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
Patients With Hypovitaminosis C and D, Vitamin Deficiencies
Vitamin Therapy in JGH Patients
There is a high prevalence of hypovitaminosis C and D in our hospital and other acute-care hospitals. Since the correction of these presumed deficiency states is simple, safe and inexpensive, their documented or suspected…
- Trial name
- NCT01630720
- Testing
- vitamin C or vitamin D
- Where
- Canada
- Volunteers
- 88 people
- Sponsor
- Jewish General Hospital
Diabetes Mellitus, Non-Insulin Dependent, Non-Insulin Dependent
Study of the Effects of Vitamin C on Patients With Type 2 Diabetes
Diabetes is a disease characterized by decreased sensitivity to the action on insulin to promote sugar (glucose) use and blood vessel relaxation (vasodilation) in muscle.
- Trial name
- NCT00001870
- Testing
- Acetylcholine
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
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
Nutritional Anemia
A Study to Compare Liposomal Iron With Ferrous Ascorbate in the Treatment of Iron Deficiency Anemia in Children
This trial is designed to compare the efficacy of ferrous ascorbate versus liposomal iron for the treatment of nutritional iron deficiency anemia (IDA) amongst 6 to 59 months age children as determined by the increase in…
- Trial name
- NCT05957328
- Testing
- Ferric Pyrophosphate Liposomal, ferrous ascorbate
- Where
- India
- Volunteers
- 96 people
- Sponsor
- All India Institute of Medical Sciences
Vitamin D Deficiency
The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults
Many older adults do not get enough zinc, vitamin C and vitamin D, and this can be related to decreased ability to fight infection.
- Trial name
- NCT02876315
- Testing
- Redoxon VI
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Transplantation, Ascorbic Acid Deficiency
Observational Study on the Variation of Ascorbic Acid in Patients Undergoing Solid Organ Transplantation
The objective of this observational clinical study is to evaluate the variations in ascorbic acid during the transplantation phases and how these variations influence the oxidative status and patient outcome.
- Trial name
- REDOX-TX (NCT06395259)
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Policlinico Hospital
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
Deficiency, Vitamin C, Chronic Disease
A Long-term Observational Study to Describe the Use of Vitamin-C Injektopas® 7.5 g in Patients With Vitamin C Deficiency
The goal of this observational study is to learn more about the disease and the symptoms where the product will use and in which patient groups. Further on, it is interesting to know clinical pictures, the symptoms improve.
- Conditions
- Deficiency, Vitamin C, Chronic Disease, Acute Disease
- Trial name
- NCT06983847
- Where
- Austria
- Volunteers
- 1,000 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
Vitamin C Deficiency
"Novo C Plus" Vitamin C Containing Dietary Supplement Bioavailability in Healthy Subjects
The aim of this study is to evaluate the bioavailability of "Novo C Plus" vitamin C containing dietary supplement compared to licensed vitamin C medications. The novelty of this product is the liposomal formulation.
- Trial name
- NCT02606773
- Testing
- Ascorbic Acid
- Where
- Hungary
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Semmelweis 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
Hypovitaminosis, Vitamin C Abnormal
Vitamin C 4 Care Homes
Older people in care homes are one of the most vulnerable groups with respect to risk, morbidity and mortality of severe coronavirus disease-2019 (COVID-19).
- Trial name
- VITA-C4CARE (NCT05122481)
- Testing
- Vitamin C
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Aberdeen
HIV Infections
The Safety and Effectiveness of Different Doses of Vitamin C in HIV-Infected Patients
This is a study to evaluate the tolerance and antiviral effect of oral vitamin C in HIV-infected.
- Trial name
- NCT00001070
- Testing
- Oral Vitamin C
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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
Septic Shock
Vitamin C Deficiency in Septic Shock
Objectives: investigators aim to study the effect of addition of vitamin C as a part of treatment in septic shock patients on: Hemodynamics, Inflammation status and ICU outcome.
- Trial name
- NCT06224881
- Testing
- Ascorbic acid
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Cairo University
Vitamin C Deficiency
The Effect of Vitamin C on Quality of Life of Terminal Cancer Patients
This study determines whether high dose vitamin C is effective for quality of life in terminal cancer patients.
- Trial name
- NCT03224572
- Testing
- high-dose vitamin C 30gm, normal saline
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Taiwan University Hospital
Anemia, Iron Deficiency
A Clinical Study to Check the Safety and Effectiveness of Botanical Extract Standardized for Iron + Vitamin C and Botanical Extract Standardized for Iron in Adult Human Subjects with Anemia or Iron-deficiency Anemia
A randomized, double-blind, parallel, three-arms, placebo-controlled, safety and efficacy study of Botanical Extract Standardized for Iron + Vitamin C and Botanical Extract Standardized for Iron in adult human subjects with…
- Trial name
- NCT06096103
- Testing
- Botanical Extract Standardized for Iron + Vitamin C, Botanical Extract Standardised for Iron
- Where
- India
- Volunteers
- 96 people
- Sponsor
- NovoBliss Research Pvt Ltd
Vitamin C Deficiency, Vitamin D Deficiency
Vitamin Deficiency and Blood Pressure in Hospitalized Jewish General Hospital (JGH) Patients
There is suggestive evidence that vitamin C and vitamin D deficiency may increase blood pressure across the range of blood pressures from normal to elevated.
- Trial name
- NCT00921622
- Testing
- Vitamin D, Vitamin C
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- Jewish General Hospital
Iron Deficiency
Effect of Vitamin C on Iron Absorption
Iron deficiency is a common health problem worldwide. Ferrous fumarate (a form of iron) is often added to foods in an effort to prevent iron deficiency.
- Trial name
- NCT00570895
- Testing
- Vitamin C
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
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