Clinical trials: Vitamin C
Falls
Effectiveness of the Montpellier Falls Clinic in Preventing InjuRiEs
A falls prevention clinic opened in Montpellier (France) in 2015. The objective of the project is to evaluate whether the tailored multifactorial programme delivered in this real practice setting by a geriatrician, a podiatrist…
- Trial name
- EMPIRE (NCT03737487)
- Testing
- Multidisciplinary fall risk and geriatric comprehensive assessment
- Where
- France
- Volunteers
- 160 people
- Sponsor
- University Hospital, Montpellier
Primary Prevention of Prostate Cancer
Prostate Cancer Prevention Trial With Quercetin and Genistein
The aim of the randomized controlled double-blind crossover trial is to evaluate the effectiveness of two dietary supplements containing polyphenolic phytochemicals (isoflavonoid genistein and flavonoid quercetin) in comparison…
- Trial name
- QUERGEN (NCT01538316)
- Testing
- Quercetin supplement, Genistein supplement
- Where
- 2 sites in Germany
- Volunteers
- 60 people
- Sponsor
- University of Hohenheim
Acute Cholecystitis
Is it Fair to Use Antibiotics After Laparoscopic Cholecystectomy for the Patients With Acutely Inflamed Gallbladder?
During the laparoscopic cholecystectomy for acute cholecystitis, most surgeons routinely use the postoperative antibiotics after surgery.
- Trial name
- NCT02490293
- Testing
- Cephalosporin
- Where
- South Korea
- Volunteers
- 198 people
- Sponsor
- Taeho Hong
Olfactory Disorder
Intranasal Retinoic Acid Treatment for Patients With OlfactoryLOSS: A RANDOMIZED CONTROLLED TRIAL
About One to 2 percent of the North American population below the age of 65 years experience olfactory loss to a significant degree.
- Trial name
- NCT03574701
- Testing
- Vitamin A
- Where
- 2 sites in Canada
- Volunteers
- 120 people
- Sponsor
- St. Paul's Hospital, Canada
Malnutrition
Effect of Home-fortification With Sprinkles in Hematologic and Nutritional Status in Preschool Children in Medellín
Objective: To acquire the local scientific evidence, to evaluate the effects of micronutrient Sprinkles™ powder, both the nutritional status and haematological values in the vulnerable preschool population, to corroborate the…
- Trial name
- NCT01917032
- Testing
- Sachets containing a blend of micronutrients in powder form (Iron, Zinc, Folic Acid, Vitamin A and C), sprinkled onto home made food
- Where
- Colombia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- CES University
Child Malnutrition, Breastfeeding
Impact of Behavior Change Communications and Market-based Approach to Delivering Micronutrient Powders on Stunting, Infant Feeding Practices and Anemia in Bangladesh
This complex evaluation of a large-scale program uses a cluster-randomized design where 20 geographic clusters (subdistricts) were randomized to study two sets of interventions.
- Conditions
- Child Malnutrition, Breastfeeding, Complementary Feeding, Childhood Anemia
- Trial name
- NCT01678716
- Testing
- EHC + BCC, Micronutrient powders, Mass media
- Where
- Bangladesh
- Volunteers
- 8,800 people, healthy volunteers welcome
- Sponsor
- International Food Policy Research Institute
Hypertension
Effect of a Nitric Oxide Supplementation Product on Endothelial Dysfunction and Prehypertensive Adults
The nitric oxide supplementation product, Neo40 Daily®, provides a dietary source of No2-. The product also allows for robust No2-reduction to NO from the extremely potent nitrite-reducing capacity of the polyphenols found in…
- Trial name
- NCT03895749
- Testing
- NEO40 Daily
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Hypertension Institute, Nashville
Multiple Myeloma
Ixazomib as a Replacement for Carfilzomib and Bortezomib for Multiple Myeloma Patients
The goal of this clinical research study is to evaluate the safety and effectiveness (good and bad effects) of ixazomib given as part of a combination therapy to treat subjects with relapsed (subjects whose disease came back) or…
- Trial name
- NCT02206425
- Testing
- Melphalan, Prednisone, Cyclophosphamide
- Where
- 12 sites in United States
- Volunteers
- 45 people
- Sponsor
- Oncotherapeutics
Fasciitis, Plantar
Efficacy of Focused Shock Waves Combined With Adjuvant Therapy With Tendon Supplement
Physical treatment with focused shock waves is effective in the treatment of tendonitis. Food supplements could facilitate the healing of tendinopathies when combined with shock wave therapy.
- Trial name
- NCT04664712
- Testing
- Tendisulfur Pro, Focused shock wave
- Where
- Italy
- Volunteers
- 44 people
- Sponsor
- Azienda Ospedaliero-Universitaria Consorziale Policlinico di Bari
Myelodysplastic Syndromes
Nivolumab With Chemotherapy in Refractory MDS
There is evidence of involvement of checkpoint pathways, including PD-1, in the pathogenesis and resistance of myelodysplastic syndrome (MDS).
- Trial name
- NCT03259516
- Testing
- Nivolumab, Azacitidine, Fludarabine
- Where
- Russia
- Volunteers
- 2 people
- Sponsor
- St. Petersburg State Pavlov Medical University
Vitamin b6 Level & Depression
Assesment of Vitamin B6 Level in Patients With Major Depressive Disorder
Estimation of vitamin B 6 levels in diagnosed major depressive disorder patients and their relation to the severity of the disease
- Trial name
- NCT05649293
- Testing
- measure vitamin b6 in serum
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Assiut University
Soft Tissue Sarcoma
High Dose Ascorbate With Preoperative Radiation in Patients With Locally Advanced Soft Tissue Sarcomas
This is a single-arm open-label phase Ib/II clinical study assessing the efficacy of concurrent high dose ascorbate in combination with radiotherapy in patients with locally advanced, resectable, high grade sarcomas.
- Trial name
- NCT03508726
- Testing
- Ascorbate
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Mohammed Milhem
Healthy Volunteers Bioequivalence or Bioavailability Study
A Study to Assess the Relative Bioavailability of Process Variants of Selumetinib in Healthy Male Volunteers
A Study to assess, against a reference selumetinib capsule, if the drug levels of a variant of selumetinib capsule are comparable, and to assess how drug levels differed in another variant of Selumetinib in Healthy Male…
- Trial name
- NCT02322749
- Testing
- selumetinib 75mg single dose
- Where
- United Kingdom
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Colonoscopy
Changes of Serum Electrolytes During Bowel Prep With PEG 3350 + Ascorbic Acid - a Prospective Study
Hypothesis: Patients who undergo bowel preparation with PEG 3350 + ascorbic acid may have significant changes of serum electrolytes.
- Trial name
- NCT01841138
- Where
- Germany
- Volunteers
- 190 people
- Sponsor
- Klinik Bogenhausen
Hypovitaminosis D
The Effectiveness of a Weight-dependent Algorithm for Dosing Vitamin D.
Vitamin D is essential for calcium absorption and bone growth, brain development, and immune system function. Vitamin D is produced by the body in response to natural sunlight.
- Trial name
- NCT07876843
- Testing
- Vitamin D3, Calcium, and Vitamin C
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Atlantic Health System
Vasodilation, Arterial Stiffness
Targeting ER Stress in Vascular Dysfunction
Aging and obesity are both risk factors for cardiovascular disease (CVD). One process that links both of these conditions to CVD is vascular dysfunction.
- Trial name
- NCT04001647
- Testing
- Acetylcholine, Sodium Nitroprusside, Ascorbic Acid
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Colorado State University
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension
: Vascular Function in Health and Disease
Many control mechanisms exist which successfully match the supply of blood with the metabolic demand of various tissues under wide-ranging conditions.
- Conditions
- Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
- Trial name
- NCT02966665
- Testing
- Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123
- Where
- United States
- Volunteers
- 420 people, healthy volunteers welcome
- Sponsor
- D. Walter Wray
Healthy
Primary Prevention Trial of the Health Effects of Antioxidant Vitamins and Minerals.
It has been suggested that a low dietary intake of antioxidant vitamins and minerals increases the incidence rate of cardiovascular disease and cancer.
- Trial name
- NCT00272428
- Testing
- ascorbic acid, vitamin E, beta carotene, selenium, zinc
- Where
- France
- Volunteers
- 13,000 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Intrauterine Growth Restriction
Impact of Maternal Pomegranate Juice on Brain Injury in Infants With Intrauterine Growth Restriction (IUGR)
Infants with intrauterine growth restriction are known to be at increased risk for long term neurodevelopmental delay into adulthood.
- Trial name
- POM-1 (NCT00788866)
- Testing
- Pomegranate Juice
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Washington University School of Medicine
Hashimoto Disease, Psoriasis
Metabolic Biomarkers in Hashimoto's Thyroiditis and Psoriasis
Hashimoto's disease (HT) and psoriasis (PsO) have a significant impact on patient's quality of everyday life, and early diagnosis is critical for the symptoms management and prognosis.
- Trial name
- METHAP (NCT04693936)
- Testing
- Nutraceutical Combination Plan
- Where
- Greece
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Crete
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