Clinical trials: Vitamin C
Colonoscopy
Comparison of 2L NRL994 With NaP Preparation in Colon Cleansing Prior to Colonoscopies for Colon Tumor Screening
To compare the efficacy, acceptability and safety of the new 2 liter gut cleansing solution (Moviprep) and NaP preparation in routine colon cleansing prior to tumor screening colonoscopies
- Trial name
- NCT00427089
- Testing
- Macrogol 3350 Na sulphate NaCl KCl Ascorbic Acid Na Ascorbate, Sodium Phosphate solution (NaP)
- Where
- 12 sites in Germany
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Norgine
Nutrition Status
A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption
The objective of this placebo controlled randomized research is to demonstrate the health benefits of a carotenoid nutritional supplement as compared to placebo in terms of nutrient levels, quality of life, feelings, of wellness…
- Trial name
- NCT06749808
- Testing
- Carotenoid Nutritional Supplement
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Pharmanex
Diabetes Mellitus, Diabetic Retinopathy
Combined Effects of Diabetes Self-Management Education and Nutritional Supplementation on Visual Function and Retinopathy
The purpose of this study is to evaluate the combined effects of diabetes self-management education (DSME) and nutritional supplementation on visual function and retinopathy incidence \& progression in patients with type 1…
- Trial name
- NCT04120077
- Testing
- EyePromise DVS, EyePromise DVS plus EyePromise EZTears
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- ZeaVision, LLC
Dietary Supplement
Evaluate Effects of Sprinkled Format REDUCOSE in a Carbohydrate-rich, Mixed Meal on Post-prandial Glycemia
This is a mechanistic, single-center, double-blind, placebo- and active-controlled, three-time-period, crossover study to evaluate the effect of sprinkled format REDUCOSE compared to placebo (double-blind; confirmative) and…
- Trial name
- Stardust (NCT04877366)
- Testing
- Dietary Supplement: Sprinkled Format REDUCOSE., Reference control, Active comparator
- Where
- 2 sites in United States, Singapore
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Safety
Evaluation of Ascorbate-Meglumine Therapeutic for SRS
Phase 1, Single-Center, Dose-Escalating, Open-Label, Safety Clinical Trial of Parenteral Ascorbate-Meglumine as a Novel Magnetic Resonance Imaging (MRI)-guided Adjunctive Therapeutic for Stereotactic Radiosurgery (SRS)
- Trial name
- NCT06433791
- Testing
- Ascorbate-Meglumine
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- LadeRx LLC
CIN - Cervical Intraepithelial Neoplasia, CIN 1
A Clinical Trial to Investigate the Safety and Efficacy of Papillex® on Abnormal Cervical Cells Caused by HPV.
The goal of this clinical trial is to investigate the safety and efficacy of Papillex® on the regression of abnormal cervical cells caused by HPV in women with a cervical intraepithelial neoplasia (CIN) 1 or 2 diagnosis.
- Conditions
- CIN - Cervical Intraepithelial Neoplasia, CIN 1, CIN 2, HPV
- Trial name
- NCT06979180
- Testing
- Papillex®
- Where
- Canada
- Volunteers
- 60 people
- Sponsor
- Papillex Inc.
Peripheral Artery Disease
Effect of Neo40 on PAD
Reduced nitric oxide (NO) availability is a hallmark of a number of cardiovascular diseases (CVD) including peripheral artery disease (PAD).
- Trial name
- NCT02934438
- Testing
- Neo40
- Volunteers
- 30 people
- Sponsor
- HumanN
Neoplasms, Metastatic Cancer
Study of Niraparib, TSR-022, Bevacizumab, and Platinum-Based Doublet Chemotherapy in Combination With TSR-042
Part A: To test the safety and tolerability of combination therapy with Niraparib and TSR-042 and to establish a safe dose that will be used in a Phase 2 study.
- Conditions
- Neoplasms, Metastatic Cancer, Advanced Cancer, Solid Tumor
- Trial name
- NCT03307785
- Testing
- Niraparib, TSR-042, Carboplatin-Paclitaxel
- Where
- 8 sites in United States
- Volunteers
- 60 people
- Sponsor
- Tesaro, Inc.
Respiratory Tract Infection Viral
Echinacea Junior vs Vitamin C in Children 4-12 Years Old
Aim of this study is to investigate efficacy and safety of Echinaforce Junior Tablets (250mg) in comparison with Vitamin C tablets in the prevention of acute viral respiratory tract infections.
- Trial name
- NCT02971384
- Testing
- Echinaforce
- Where
- Switzerland
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- A. Vogel AG
Health, Subjective, Gastrointestinal Dysfunction
Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design
The LIFE-HOUSE research project is designed to evaluate the impact of a personalized lifestyle intervention program on functional capacity as an approach to quantitating health, and its relationship to well understood disease…
- Conditions
- Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases
- Trial name
- LIFE-HOUSE (NCT04005456)
- Testing
- Supplements and/or medical foods, Behavioral change support program, Food plan
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Metagenics, Inc.
C-Section
Influence of Probiotics on Early Gut Microbial Colonization
The goal of this clinical trial is to learn whether daily probiotic drops plus vitamin D3 can improve early gut microbiome colonization in healthy infants born by C-section. It will also assess safety and tolerability.
- Trial name
- STORKIE (NCT07608341)
- Testing
- Probiotic drops
- Where
- 2 sites in Finland
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- BioGaia AB
Pre-Bronchiolitis Obliterans Syndrome
Study to Evaluate ARINA-1 in the Prevention of Bronchiolitis Obliterans Progression in Participants With Bilateral Lung Transplant
The goal of this Phase 3 clinical trial is to compare ARINA-1 (a nebulized immunomodulatory agent) plus Standard of Care vs Standard of Care alone.
- Trial name
- NCT05654922
- Testing
- ARINA-1, Standard of care only
- Where
- 22 sites in United States
- Volunteers
- 100 people
- Sponsor
- Renovion, Inc.
Chronic Kidney Disease, Secondary Hyperparathyroidism
Comparison of I.V. CTAP201 and Doxercalciferol (Hectorol) in Subjects With Chronic Kidney Disease (CKD) and Secondary Hyperparathyroidism (SHPT)
This study will compare CTAP201 with Doxercalciferol in patients with chronic kidney disease (CKD) and secondary hyperparathyroidism (SHPT), undergoing regular hemodialysis, at different dose strengths.
- Conditions
- Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
- Trial name
- NCT00792857
- Testing
- CTAP201 Injection, Doxercalciferol
- Where
- 6 sites in United States
- Volunteers
- 24 people
- Sponsor
- OPKO IP Holdings II, Inc.
Photoaging, Skin Aging
AI-Personalized Skincare Regimen for Facial Photoaging in Women
The goal of this clinical study was to learn whether a skincare regimen personalized by an artificial intelligence (AI) skin-analysis tool improves signs of facial skin aging in women aged 35 to 65 with mild-to-moderate facial…
- Trial name
- NCT07879833
- Testing
- AI-personalized skin longevity regimen
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- MDalgorithms Inc.
Osteoarthritis, Osteo Arthritis Knee
A Study to Assess Efficacy of Supporting Properties and Safety of ARTNEO in Patients With Knee Osteoarthritis
The goal of the interventional study is to assess the effectiveness of the supporting properties and safety of the dietary supplement ARTNEO (ARTNEO®), capsules with an average weight of 585 mg, in patients with osteoarthritis of…
- Conditions
- Osteoarthritis, Osteo Arthritis Knee, Osteoarthritis, Knee
- Trial name
- NCT06032442
- Testing
- ARTNEO, Artra
- Where
- Russia
- Volunteers
- 70 people
- Sponsor
- NPO Petrovax
Center-involved Diabetic Macular Edema (CI-DME)
Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema
This study will evaluate the effects of add-on carotenoid plus anti-oxidant nutritional supplementation to standard anti-vascular endothelial growth factor therapy for subjects with center-involved diabetic macular edema
- Trial name
- PROACTIVEDME (NCT03866005)
- Testing
- Diabetes Visual Function Study (DiVFuSS) softgels
- Where
- 2 sites in United States
- Volunteers
- 150 people
- Sponsor
- ZeaVision, LLC
Occasional Constipation
A Study Investigating the Effect of Digesta-Lac in Healthy Adults With Occasional Constipation
This investigation will evaluate the effect of Digesta-Lac in adults with occasional constipation in a single-center, randomized, double-blind, placebo-controlled, parallel group 2-arm study for 3 weeks.
- Trial name
- NCT02423564
- Testing
- Digesta Lac
- Where
- Canada
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- KGK Science Inc.
Atrial Fibrillation
Subtherapeutic INR Levels in Patients With AVK: Incidence, Associated Factors, Prognosis and Control Strategies
This prospective observational study is to assess the predictive factors of poor control of international normalized ratio (INR) to determine the treatment strategies received by patients with a poor control of INR in real-life…
- Trial name
- SULTAN (NCT02610153)
- Testing
- Vitamin K Antagonist
- Where
- Spain
- Volunteers
- 1,013 people
- Sponsor
- Bayer
Drug-drug Interaction
A Study to Learn About How Safe BAY3389934 is and How it Affects Blood Clotting When Given Alone or With Aspirin in Healthy Participants
The study treatment BAY3389934 is under development for people with blood clotting problems that occur due to sepsis. Sepsis is a serious condition that happens when the body's reaction to an infection causes organ damage.
- Trial name
- NCT07652723
- Testing
- Aspirin, BAY3389934
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Bayer
Vitamin C, Glutathione
Effect of Double Nutri® Liposomal Encapsulation Technology on Human Absorption of Vitamin C and Glutathione Liquid Sachet
The objective of this study is to evaluate whether Double Nutri® liposomal encapsulation technology can enhance the oral absorption of liquid vitamin C and glutathione supplements in humans.
- Trial name
- NCT07302828
- Testing
- Vitamin C and Glutathione without liposome, Liposomal Vitamin C and Glutathione
- Where
- Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.