Clinical trials: Ascorbic Acid
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.
Infections, Respiratory Tract
An Efficacy and Safety Study of Theraflu Night Powder as Oral Solution for Cold and Flu
The purpose of the study is to assess the short term efficacy of the Theraflu Night powder for oral solution in the Russian population in "Short term relief of the symptoms of colds, chills and influenza, including mild to…
- Trial name
- NCT02730364
- Testing
- Paracetamol, phenylephrine HCl, pheniramine maleate, and vitamin C
- Sponsor
- GlaxoSmithKline
Stage II Multiple Myeloma, Stage III Multiple Myeloma
Melphalan, Arsenic Trioxide, and Ascorbic Acid in Treating Patients With Relapsed or Refractory Multiple Myeloma
RATIONALE: Drugs used in chemotherapy, such as melphalan, arsenic trioxide, and ascorbic acid, work in different ways to stop cancer cells from dividing so they stop growing or die.
- Conditions
- Stage II Multiple Myeloma, Stage III Multiple Myeloma, Refractory Plasma Cell Neoplasm
- Trial name
- NCT00085345
- Testing
- arsenic trioxide, ascorbic acid, melphalan
- Where
- 19 sites in United States
- Sponsor
- Oncotherapeutics
Collagen Synthesis, Rate of Force (RFD) Development
Effects of Hydrolyzed Collagen and Vitamin C on Explosive Performance
Determine whether supplementation with a combined dose of 20 g of hydrolyzed collagen and 50 mg vitamin C, along with a power training exercise program, increases rate of force development (RFD) and performance in athletes
- Trial name
- NCT04437758
- Testing
- Collagen and Vitamin C powder mix nutritional intervention, Maximum power training exercise
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Healthy Subject, Immunity
The Effect of the Consumption of 4 Botanical Extracts on Immunity in Healthy Adults (B-4-Immune)
This study will evaluate the capacity of botanical extracts to modulate immune mechanisms compared to a placebo group in healthy volunteers.
- Trial name
- B-4-Immune (NCT05117385)
- Testing
- Botanical extract
- Where
- France
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Givaudan France Naturals
Venous Disease Classification (CEAP): C2 or C3
EXPLORATORY ASSESSMENT OF THE EFFECTS OF CYCLO 3 ® FORT (Ruscus Extract, Hesperidin Methyl Chalcone, Ascorbic Acid) OR MICRONISED PURIFIED FLAVONOID FRACTION ON VASCULAR PARAMETERS AND BIOMARKERS IN WOMEN SUFFERING FROM CHRONIC VENOUS DISEASE (CEAP C2 OR C3), OVER 8 WEEKS
Chronic Venous Disorder is the most prevalent vascular disease. It is multifactorial pathology that has an important impact on quality of life and represents a significant public health concern, due to its very high frequency in…
- Trial name
- NCT02907320
- Testing
- CYCLO 3 ® FORT, MPFF
- Sponsor
- Pierre Fabre Medicament
Dietary Exposure
Bioequivalence Study on Vitamin C in Healthy Adults
The objective of this exploratory pharmacokinetic research study is to demonstrate that both caplets and gummies provide an effective dose of ascorbic acid in healthy adults.
- Trial name
- NCT03562988
- Testing
- Vitamin C gummy, Vitamin C tablet
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Church & Dwight Company, Inc.
Squamous Cell Cancer, Squamous Cell Carcinoma
Topical Ascorbic Acid for Treatment of Squamous Cell Skin Cancer
Randomized comparative trial of a 30% solution of ascorbic acid in 95% dimethylsulfoxide applied topically twice a day for 8 weeks vs 5% imiquimod cream in the treatment of biopsy proven squamous cell carcinomas of the skin in…
- Conditions
- Squamous Cell Cancer, Squamous Cell Carcinoma, Skin Cancer, Non-melanoma Skin Cancer
- Trial name
- NCT05932511
- Testing
- 30% ascorbic acid in DMSO
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Center for Biomedical Research, Inc.
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
Acne Vulgaris
Acne Treatment With Active Oplon's Patches
The purpose of this study was to demonstrate the effect of short treatment with active OPLON patches on Acne.
- Trial name
- NCT01180543
- Testing
- Oplon Active Patch
- Where
- Israel
- Volunteers
- 40 people
- Sponsor
- Oplon-Pure Science Ltd.
Quality of Life
Effect of Colon Delivered Vitamin C on Gut Microbiota and Related Health Biomarkers in Healthy Older Adults
Recent studies have shown that many vitamins, if consumed in high daily dosages or delivered to the colon, can modulate the gut microbiota and their metabolites.
- Trial name
- NCT05598619
- Testing
- Vitamin C
- Where
- Ireland
- Volunteers
- 264 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
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
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
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
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
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
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
Delayed Onset Muscle Soreness, DOMS
COMBOPROFEN for Treatment of Muscular Pain Associated With Delayed Onset Muscle Soreness (DOMS)
The study is designed as a proof of concept, single-center, randomized, double-blind, placebo controlled study to assess the safety and efficacy of Comboprofen (Ibuprofen + Magnesium + Vitamin C) compared to placebo, Ibuprofen…
- Trial name
- NCT03223519
- Testing
- Comboprofen, Ibuprofen, Magnesium
- Where
- Spain
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Spherium Biomed
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
Bioavailability
Comparative Bioavailability of Two Forms of Vitamin C
The purpose of this study is to compare levels of vitamin C in the blood over the 24 hour period following a single 1000 mg dose of vitamin C from ascorbic acid, calcium ascorbate and placebo.
- Trial name
- NCT01852903
- Testing
- calcium ascorbate, ascorbic acid
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- NBTY, Inc.