Clinical trials: Vitamin C
Premenstrual Syndrome
A Study to Evaluate the Effect of Funk It Cycle Bites on PMS
This is a virtual, open-label, single-group study that will last 4 menstrual cycles. All participants will complete a questionnaire at the end of their first period after enrolling (baseline/non-intervention cycle 1), then…
- Trial name
- NCT05900024
- Testing
- Funk It Cycle Bites
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Funk It Wellness
Hemorrhage
An Observational Cohort Study to Investigate the Risk of Thromboembolic Events in Patients Receiving Kcentra® or Plasma to Reverse Vitamin K Antagonist (VKA) Therapy in the Setting of Acute Major Bleeding
This observational cohort study is designed to obtain product safety information from the routine clinical setting within large, diverse, community-based populations.
- Trial name
- NCT02319460
- Testing
- Kcentra®, Plasma
- Where
- United States
- Volunteers
- 2,238 people
- Sponsor
- CSL Behring
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
Anemia, Skin Condition
The Efficacy of Minayo Iron-rich Nutritional Gummies on Female Anemia, Skin Condition and Qi-blood Deficiency Syndrome
The goal of this randomized, double-blind, placebo controlled study is to learn about the efficacy of Minayo Iron-rich Nutritional Gummies on females who are aged 18-45 and suffer nutritional Anemia, skin condition and Qi-blood…
- Conditions
- Anemia, Skin Condition, Qi-blood Deficiency Syndrome
- Trial name
- NCT06869824
- Testing
- Minayo Iron-rich Nutritional Gummies, Common Gummies
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hangzhou Agile Groups Network Technology Co., Ltd.
Skin Aging
Comparison of Redermic, Rejuva-A and Combination of Both Redermic and Rejuva-A in Subjects With Signs of Aging
Facial skin aging is a complex process combining factors such as sun exposure, smoking and those that are believed to be inherited.
- Trial name
- NCT00974480
- Testing
- Redermic, Tretinoin (Rejuva-A)
- Where
- Canada
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cosmetique Active International
Corona Virus Infection, Covid19
Clinical Study Designed to Evaluate the Effect of CimetrA in Patients Diagnosed With COVID-19
A preparation of CimertrA, comprising Artemisinin, Curcumin, and Boswellia, and Vitamin C in a nanoparticular formulation, is proposed as a treatment for the disease associated with the novel coronavirus SARS-CoV-2.
- Conditions
- Corona Virus Infection, Covid19, SARS-CoV Infection
- Trial name
- CimetrA (NCT04802382)
- Testing
- Confirm SARS-CoV-2 infection, Physical Examination, Vital Signs
- Where
- 2 sites in Israel
- Volunteers
- 252 people
- Sponsor
- MGC Pharmaceuticals d.o.o
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
Frail Elderly Syndrome
Management of Frailty in Older Adults With Turmeric and Tulsi Supplements
The aim of this study is to determine the efficacy of turmeric and tulsi polyherbal formulation in the management of frailty in the elderly population.
- Trial name
- NCT03365310
- Testing
- C. longa, curcuminoids , Z. officianale, O. sanctum along with 200 ml of Milk, Standard of Care
- Where
- India
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Composite Interceptive Med Science
Calcium and Vitamin D Deficiencies
Calcichew D3 Preference Study in Participants Eligible for Calcium and Vitamin D Supplementation.
The purpose of this study is to compare the preference of Calcichew D3 500/400 (containing 500 mg calcium and 400 IU of vitamin D) with Adcal-D3 600/400 (containing 600 mg of calcium and 400 IU of vitamin D) in Test Group 1, and…
- Trial name
- NCT02457247
- Testing
- Calcichew D3, Adcal-D3, Kalcipos-D
- Where
- 9 sites in Germany, United Kingdom
- Volunteers
- 276 people
- Sponsor
- Takeda
Recurrent Urinary Tract Infection
Nutritional Supplementation for Recurrent Urinary Tract Infections in Women
The study will test the ability of specially formulated nutritional supplement capsules to extend the time between recurrent urinary tract infections in women.
- Trial name
- NCT03597152
- Testing
- WelTract
- Volunteers
- 250 people
- Sponsor
- AmPurity Nutraceuticals, LLC
Liver Metastases
AvidinOX + [177Lu]DOTA-biotin (or 177Lu-ST2210) Complex in Patients With Liver Metastases From Colorectal Cancer
The purpose of the study is to assess a new treatment for patients with liver tumor metastases from colorectal cancer. The treatment has never been used in humans before.
- Trial name
- NCT02053324
- Testing
- AvidinOX/ST2210
- Where
- 4 sites in Austria, Italy
- Volunteers
- 14 people
- Sponsor
- Alfasigma S.p.A.
Hyperpigmentation, Dark Spots
A 16-week Clinical Study Investigating a Dark Spot Corrector Serum in Women With Moderate Discrete Hyperpigmentation
This was a single-center, double-blinded, randomized, controlled cosmetic clinical trial to investigate the efficacy and tolerance of dark spot corrector serum and regimen skincare products when used over the course of 16 weeks…
- Trial name
- NCT07468175
- Testing
- Cosmetic dark spot corrector serum
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Revision Skincare
Colorectal Cancer
Pharmacodynamic Evaluation of Stool Output Following Oral Administration of Various Low Volume PEG3350-based Gut Cleansing Solutions Using the Split Dose Intake in Healthy Subjects
This study is to investigate the effect of various modified low volume polyethylene glycol (PEG) 3350 and ascorbic acid/ascorbate (PEG+ASC)-based gut cleansing solutions on stool output in healthy subjects.
- Trial name
- OUT (NCT01834742)
- Testing
- NER1006, Moviprep
- Where
- 2 sites in Romania
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Norgine
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.
Secondary Hyperparathyroidism, End Stage Renal Disease
A Study to Follow-up Patients With End Stage Renal Disease Undergoing Hemodialysis, Receiving Selective Vitamin D Receptor Activator's for Prevention and Treatment of Secondary Hyperparathyroidism
The aim of this post-marketing observational study is to obtain further data on the long term use, safety and efficacy of selective Vitamin D Receptor Activator's as it is prescribed in the normal clinical setting and according…
- Trial name
- NCT01149291
- Where
- 22 sites in Turkey (Türkiye)
- Volunteers
- 511 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Healthy
Effects of Tipranavir (With Ritonavir) Capsule and Liquid Formulation on Cytochrome P450 and P-glycoprotein Activity in Healthy Volunteers
Primary: To quantify the influence of single-dose and steady-state tipranavir/ritonavir 500/200 mg on intestinal and hepatic cytochrome P450 (CYP) and P-glycoprotein (P-gp) biomarkers, as a means of predicting drug interactions.
- Trial name
- NCT02243553
- Testing
- Tipranavir capsule, Tipranavir solution, Ritonavir capsule
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Selective Eating, Emotional Dysregulation
Unflavored Powdered Multivitamin in Children
The goal of this clinical trial is to learn whether a daily unflavored powdered multivitamin (EllaOla Kids Essentials) improves mood and behavior in children aged 4 to 11 who are picky eaters and experience behavioral challenges.
- Conditions
- Selective Eating, Emotional Dysregulation, Child Behavior, Healthy Children (Wellness Study)
- Trial name
- BLOSSOM (NCT07863050)
- Testing
- EllaOla Kids Essentials Unflavored Powdered Multivitamin
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- EllaOla
Chronic Rhinosinusitis (CRS), Exacerbations
Effect of Pleuran on the Clinical Course of Patients With Chronic Rhinosinusitis
The goal of this clinical research is to learn if Imunoglukan P4H® as an add-on therapy to the standard of care treatment according to the EPOS guidelines (intranasal corticosteroids and saline irrigation) can help to prevent CRS…
- Conditions
- Chronic Rhinosinusitis (CRS), Exacerbations, Respiratory Tract Infections (RTI), Antibiotic Prophylaxis
- Trial name
- EPCCOR (NCT07460934)
- Testing
- Imunoglukan P4H® capsules
- Where
- 5 sites in Czechia, Slovakia
- Volunteers
- 85 people
- Sponsor
- Pleuran, s.r.o.
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.
Skin Aging
A Comparative Split-Face Study of the Effects of a Retinol Alternative Cream on Improving Facial Skin Aging
This study will evaluate the efficacy of the DIME TBT Cream in improving the appearance and hydration of aged skin in comparison to a retinol cream. This study will last for 60 days.
- Trial name
- NCT06125912
- Testing
- Dime Beauty TBT Cream, Positive Control
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Dime Beauty Co.