Clinical trials: Vitamin C
Pancreatic Adenocarcinoma Metastatic, BRCA1 Mutation
SHARON: A Clinical Trial for Metastatic Cancer Using Chemotherapy and Patients' Own Stem Cells
The clinical trial is a phase 1, single-arm trial that will evaluate the safety of the investigational treatment on metastatic pancreatic cancer and metastatic breast cancer.
- Conditions
- Pancreatic Adenocarcinoma Metastatic, BRCA1 Mutation, BRCA2 Mutation, Pancreatic Acinar Cell Carcinoma
- Trial name
- SHARON (NCT04150042)
- Testing
- Melphalan, BCNU, Vitamin B12B
- Where
- 2 sites in United States
- Volunteers
- 24 people
- Sponsor
- General Oncology, Inc.
Tooth Whitening, Tooth Discoloration
Clinical Research Study to Evaluate Stain Removal and Whitening Improvement
The objective of this clinical research study is to evaluate the stain removal and whitening improvement of a toothpaste containing Vitamin C and 1100 ppm F as sodium fluoride as compared to a matching placebo toothpaste…
- Trial name
- NCT07870018
- Testing
- Vitamin C toothpaste
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
Diabetes Mellitus, Type 1, Autoimmune Diseases
Study to Evaluate the Safety and Feasibility of Diamyd® in Individuals at Risk for Type 1 Diabetes
A 2-arm randomized Phase II Open Label Study to evaluate the safety and feasibility of intralymphatic administration of Diamyd® (Diamyd) also known as retogatein in individuals at risk of Type 1 diabetes carrying the HLA DR3-DQ2…
- Conditions
- Diabetes Mellitus, Type 1, Autoimmune Diseases, Prevention
- Trial name
- NCT05683990
- Testing
- Diamyd
- Where
- Sweden
- Volunteers
- 5 people
- Sponsor
- Diamyd Medical AB
Tolerance
Tolerance of Two Forms of Vitamin C in Acid-sensitive Adults
The purpose of this study is to compare the tolerance of two forms of vitamin C in adults with sensitivity to acidic foods.
- Trial name
- NCT01873820
- Testing
- Calcium ascorbate, Ascorbic acid
- Where
- Canada
- Volunteers
- 50 people
- Sponsor
- NBTY, Inc.
Pharmacokinetics
A Pharmacokinetics Study of Intravenous Ascorbic Acid
This is a Phase 1, single-dose study to evaluate the pharmacokinetics of intravenous Ascorbic Acid.
- Trial name
- NCT02534753
- Testing
- Ascor L 500® (Ascorbic Acid Injection, USP)
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- McGuff Pharmaceuticals, Inc.
Virus Diseases, Herpes Zoster
Intravenous Vitamin C in the Treatment of Viral Infection, Especially in the Treatment of Shingles
Chronic viral infections induce oxidative stress that can cause a number of concomitant diseases, e.g. cardio-vascular diseases or metabolic disorders.
- Trial name
- 168 (NCT00921934)
- Where
- Germany
- Volunteers
- 68 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
Hepatocellular Carcinoma
A Phase II/III Clinical Study on Inhibitory Effects of E0167 on Recurrence of Hepatocellular Carcinoma
The purpose of this study is to determine the superiority of inhibitory effects and safety of Menatetrenone (E0167) on recurrence in patients with hepatocellular carcinoma.
- Trial name
- NCT00165633
- Testing
- Menatetrenone
- Where
- 30 sites in Japan
- Volunteers
- 540 people
- Sponsor
- Eisai Limited
Acne Vulgaris
Acne Treatment With Active Oplon's Patches - 15-18 Years Old
The purpose of this study was to demonstrate the effect of short treatment with active OPLON patches on Acne.
- Trial name
- NCT01260766
- Testing
- Oplon Active Patch
- Where
- Israel
- Volunteers
- 50 people
- Sponsor
- Oplon-Pure Science Ltd.
Hyperpigmentation, Photodamaged Skin
A Multi-Center, Open-label Study Evaluate the Efficacy and Tolerability of a Dual Skincare Regimen Treatment for Facial Hyperpigmentation and Photodamaged Skin in Patients Exposed to Extrinsic Factors of Aging
This open-label, multi-center clinical trial was conducted to evaluate the dual skincare regimen of vitamin C serum and moisturizing sunscreen SPF 45 to improve facial hyperpigmentation and photodamage after 12 weeks of twice…
- Conditions
- Hyperpigmentation, Photodamaged Skin, Wrinkle, Fine Lines
- Trial name
- NCT05423873
- Testing
- Gentle Cleansing Lotion, Revision Skincare
- Where
- 3 sites in United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Revision Skincare
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
Multiple Myeloma and Plasma Cell Neoplasm
Bortezomib, Ascorbic Acid, and Melphalan in Treating Patients With Newly Diagnosed Multiple Myeloma
RATIONALE: Bortezomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as melphalan, work in different ways to stop the growth of cancer cells, either by…
- Trial name
- NCT00317811
- Testing
- ascorbic acid, bortezomib, melphalan
- Where
- 8 sites in United States
- Volunteers
- 35 people
- Sponsor
- Oncotherapeutics
Diarrhea, Infantile
Study on the Association Between Vitamin C Deficiency and Diarrhea in Children
Diarrheal disease is the second leading cause of death in children under five, althought it is both preventable and treatable. The causative factors of diarrheal diseases vary a lot from region to region (bacteria, viruses…
- Trial name
- VITAL (NCT05328037)
- Testing
- Blood sample collection
- Where
- 3 sites in Central African Republic, France and 1 more
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Shoulder Stiffness
Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness?
Postoperative shoulder stiffness is a common complication after shoulder surgery (incidence 10-15%). The symptoms consist primarily in a painful impairment of the mobility of the glenohumeral joint, usually after initially good…
- Trial name
- VitC (NCT04472000)
- Testing
- Vitamin C
- Where
- 2 sites in Switzerland
- Volunteers
- 46 people
- Sponsor
- Lindenhofgruppe AG
Septic Shock, Critical Illness
Evaluation of Hydrocortisone, Vitamin C and Thiamine for the Treatment of Septic Shock
Despite recent medical advances, sepsis and septic shock remain a major cause of death. Sepsis is a syndrome with a wide array of physiologic, pathologic, and biochemical abnormalities.
- Trial name
- HYVITS (NCT03380507)
- Testing
- Triple therapy group
- Where
- Qatar
- Volunteers
- 106 people
- Sponsor
- Hamad Medical Corporation
Pollution; Exposure
Effect of an Oral Acerola Juice Powder on Skin Beauty Parameters in Women Exposed to Environmental Stresses
The study is being conducted to evaluate the efficacy and the safety of an oral acerola-based product on skin ageing parameters.
- Trial name
- NCT07229131
- Testing
- Acerola Juice Powder 1200 mg/day, Acerola Juice Powder 600 mg/day
- Where
- China
- Volunteers
- 108 people
- Sponsor
- Diana SAS
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
Wrinkle, Skin Pigmentation
Prospective Study of Topical Vitamin C (THDA) Versus Topical Vitamin C (THDA) With Acetyl Zingerone
The purpose of this study is to asses the impact of topically applying a form of vitamin C known as tetrahexyldecyl Ascorbate (THDA) along with a novel anti-aging ingredient, acetyl zingerone, compared against applying THDA alone.
- Trial name
- NCT05779280
- Testing
- THDA + Acetyl Zingerone Topical Product, THDA
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Neuropathic Pain
Vitamin C as add-on Therapy in Patients With Acute Herpes Zoster
To compare the efficacy and tolerability of three different doses of Pascorbin® besides standard medication with placebo and the reduction of herpes zoster-associated clinical symptoms as an add-on therapy for patients suffering…
- Trial name
- NCT05561257
- Testing
- Vitamin C
- Where
- 3 sites in Germany
- Volunteers
- 12 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
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
Colon Cancer, Colon Disease
Real Word Evidence With 1L Polyethylene Glycol (PEG)+ Ascorbic Acid in Iberia
A retrospective study to evaluate the effectiveness and safety of 1L polyethylene glycol (PEG)+ Ascorbic acid given for bowel preparation before colonoscopy.
- Conditions
- Colon Cancer, Colon Disease, Colon Cleansing
- Trial name
- NCT05174845
- Testing
- 1L PEG + ASCORBIC ACID
- Where
- 12 sites in Portugal, Spain
- Volunteers
- 13,393 people
- Sponsor
- Norgine