Clinical trials: Vitamin C
Cognition
Investigating the Effects of a Haskap Berry Supplement on Cognitive Health
This study aims to investigate the postprandial (2h) and longer term (4 week) effects of a haskap berry supplement on cognitive, vascular, and metabolic function in healthy ageing adults aged 50+.
- Trial name
- HACVAC (NCT07119788)
- Testing
- Pure haskap berry powder, Vitamin-and mineral-enhanced haskap berry powder
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Reading
Vitamin C
High - Dose Vitamin C Infusion Regimen Based on Pharmacokinetic Characteristics for Patients With Advanced Malignant Solid Tumors
Vitamin C is an essential water - soluble vitamin for the human body. It plays an important role in various physiological processes as an antioxidant and cofactor for multiple enzymes.
- Trial name
- NCT07121036
- Testing
- high - dose vitamin C
- Where
- China
- Volunteers
- 18 people
- Sponsor
- Zhongnan Hospital
Age - Related Macular Degeneration (AMD)
Effect of Fu's Subcutaneous Needling for Age-related Macular Degeneration
This pilot randomized controlled trial aims to evaluate the efficacy and safety of FSN in improving symptoms in patients with dAMD.38 eligible participants will be recruited and randomly assign them in a 1:1 ratio to the FSN…
- Trial name
- NCT07121127
- Testing
- FSN+Vitamin supplement, Vitamin Supplements
- Volunteers
- 38 people
- Sponsor
- Zhiming Yan
Vitamin D Supplementation
Human Transdermal Vitamin D Supplement Study
Despite the wide availability of vitamin D supplements vitamin D deficiency remains a concerning global problem. It is hypothesised that hypothesize that vitamin D delivered via the skin will overcome the problems associated with…
- Trial name
- TransVitD (NCT06098846)
- Testing
- Vitamin D phosphate
- Where
- United Kingdom
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- King's College London
Ischemic Stroke, Acute, Sleep Disorders, Circadian Rhythm
The Role of Circadian Factors in Regulation of Neuroplasticity in Ischemic Stroke (Interventional)
There is a lack of complex studies which could establish the association between genetic circadian factors with the features and short-term outcomes of ischemic stroke, as well as the effects of various auxiliary therapies for…
- Trial name
- NCT05247125
- Testing
- Blue light exposure + Melatonin treatment, Melatonin treatment, Blue light exposure
- Where
- Russia
- Volunteers
- 80 people
- Sponsor
- Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health
Hyperbilirubinemia
Effect of Vitamin-D as an Adjuvant to Phototherapy in Reduction of Indirect Serum Bilirubin
The study aimed at filling the gaps by evaluating the effectiveness of vitamin-D as an adjuvant to phototherapy in reduction of indirect serum bilirubin among neonates with exaggerated physiological hyperbilirubinemia.
- Trial name
- NCT07098234
- Testing
- Vitamin D3, Phototherapy
- Where
- Pakistan
- Volunteers
- 90 people
- Sponsor
- Muhammad Aamir Latif
Metastatic Pancreatic Adenocarcinoma
Vitamin C to Chemotherapy Related Anemia in Pancreatic Cancer
The purpose of this study is to evaluate the efficacy of low-dose vitamin C on improving the quality of life for metastatic pancreatic cancer patients receiving gemcitabine and nab-paclitaxel chemotherapy.
- Trial name
- PTCA199-3 (NCT06018883)
- Testing
- Ascorbate, Nab paclitaxel, Gemcitabine
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Fudan University
Covid19, Sequelae of; Infection
Clinical Trial of Niagen to Examine Recovery in People With Persistent Cognitive and Physical Symptoms After COVID-19
The study will assess whether Niagen, a safe dietary supplement, improves recovery of COVID-19 related symptoms in individuals who were infected at least 2 months prior to study entry ("Long-COVID" "Long-haulers").
- Conditions
- Covid19, Sequelae of; Infection, Cognitive Symptom
- Trial name
- NCT04809974
- Testing
- Niagen
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Massachusetts General Hospital
Non Alcoholic Fatty Liver Disease
Comparison of Effectiveness of Obeticholic Acid With Vitamin E in Patients of Non-alcoholic Fatty Liver Disease
This study was conducted on patients presenting to Mayo Hospital, Lahore from 24th August, 2023 till 23rd May, 2024. Ninety patients conforming to the inclusion criteria were selected via simple random sampling technique and…
- Trial name
- NCT07104786
- Testing
- Obeticholic Acid 10 MG, Vitamin E 400mg
- Where
- Pakistan
- Volunteers
- 90 people
- Sponsor
- King Edward Medical University
Healthy Participants
Pilot Assessment of the Safety of a Combination of Curcumin, Omega-3, and Vitamin D Supplements in ACPA+ Individuals
The goal of this clinical trial is to determine if the level of Anti-cyclic citrullinated peptide antibody (ACPA) is altered after taking curcumin, omega-3, and vitamin D supplements (COD) for 3 months.
- Trial name
- PASCOD3 (NCT06478290)
- Testing
- curcumin, omega-3, and vitamin D (COD)
- Where
- 2 sites in Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Osgood-Schlatter Disease
Safety and Efficacy of Urtica Dioica Cataplasm in the Management of Osgood-Schlatter Disease in Young Athletes
The primary objective of this clinical trial is to evaluate the efficacy and safety of a topical Urtica dioica cataplasm in managing knee pain and functional limitations in athletic children diagnosed with Osgood-Schlatter…
- Trial name
- NCT07096037
- Testing
- Urtica dioica cataplasm, Vitamin D, Resting conditions
- Volunteers
- 90 people
- Sponsor
- Faculty of Medicine, Sousse
PARKINSON DISEASE (Disorder)
Effect of Vitamin D3 on Brain Waves in Male Parkinson's Patients With Low Vitamin D: A qEEG Study
This is an experimental study (Interventional self-controlled trial, pretest-posttest design). The goal of this clinical trial is to evaluate the effect of vitamin D3 supplementation on quantitative EEG in male Parkinson's…
- Trial name
- NCT07096336
- Testing
- vitamin D3 capsule
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
Epilepsy, Hypovitaminosis D
Effect of Vitamin D3 Supplementation on Brain Waves in Male Epileptic Patients With Hypovitaminosis D
This is an experimental study (interventional self-controlled trial, pretest-post test design). The goal of this clinical trial is to evaluate the effect of vitamin D3 supplementation on quantitative EEG in male epileptic…
- Trial name
- NCT07096414
- Testing
- Vitamin D3
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
Longevity, GLP-1
Effectiveness of Alternative Therapies in Maintaining Weight Loss Achieved by GLP-1 Medications Post-Cessation
The goal of this randomized, controlled trial is to evaluate the effectiveness of alternative therapies (metformin alone, with rapamycin, and with low-dose naltrexone) in maintaining weight loss in patients weaning off GLP-1…
- Conditions
- Longevity, GLP-1, Geroscience, Aging
- Trial name
- NCT07092618
- Testing
- Metformin, Rapamycin, Naltrexone
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- AgelessRx
Bone Metabolism Disorder, Aging Disorder
Effect of Vitamin K Supplementation on Circulating Levels of Osteocalcin on the Bone Metabolism and Aging
This is an interventional study on nutraceuticals. It is a randomized controlled, open-label, prospective, single-center study that involves the enrollment of 82 patients with osteoporosis and 41 subjects without osteoporosis.
- Conditions
- Bone Metabolism Disorder, Aging Disorder, Osteoporosis
- Trial name
- OstMARK (NCT04669782)
- Testing
- Vitamin K (MK7), Teriparatide
- Where
- Italy
- Volunteers
- 99 people
- Sponsor
- University of Milano Bicocca
Parkinson Disease
Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Parkinson's Disease Patients With Hypovitaminosis D
The goal of this clinical trial is to see the effect of vitamin D3 supplementation on cardiac autonomic nerve function in male Parkinson's disease patients with hypovitaminosis D Main questions it aims to answer are: 1.
- Trial name
- NCT07084597
- Testing
- Vitamin D
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
Stroke, Biomarkers
Relationship Between Serum Markers and Motor Recovery and Ambulation in Post-stroke Patients
This study aim to retrospectively investigate the effects of the magnesium, vitamin D, and uric acid serum markers on motor recovery and ambulation in post-stroke patients.
- Conditions
- Stroke, Biomarkers, Serum Magnesium, Serum Vitamin D
- Trial name
- NCT07086092
- Testing
- Serum magnesium, uric acid, and vitamin D levels and motor recovery and ambulation stages
- Where
- Turkey (Türkiye)
- Volunteers
- 257 people
- Sponsor
- Abant Izzet Baysal University
Epilepsy
Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Epileptic Patients With Hypovitaminosis D
The goal of this clinical trial is to see the effect of vitamin D3 supplementation on cardiac autonomic nerve function in male epileptic patients with hypovitaminosis D that weather vitamin D improves heart rate variability or…
- Trial name
- NCT07085598
- Testing
- Vitamin D
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
Obesity, Weight Loss
Metabolic and Behavioural Effects of CONTRAVE as Potential Mechanisms of Weight Loss in Adults With Obesity
Obesity is a common chronic disease linked with increased risk for other illnesses and earlier death. Our team and others have shown that many bodily and psychological changes occur when individuals are on calorie-restricted…
- Conditions
- Obesity, Weight Loss, Weight Management, Dietary Intervention
- Trial name
- NCT06809166
- Testing
- Contrave, Diet Program
- Where
- 3 sites in Canada
- Volunteers
- 40 people
- Sponsor
- The Royal's Institute of Mental Health Research
Systemic Lupus Erythematosus (SLE)
Efficacy of Vitamin C Supplementation on Malondialdehid Levels and Disease Activity in SLE Patients
The study aimed to evaluate the efficacy of vitamin C supplementation compared to placebo towards malondialdehid levels and disease activity with the MEX-SLEDAI score in Systemic Lupus Erythematosus (SLE) patients.
- Trial name
- NCT07083622
- Testing
- Vitamin C
- Where
- Indonesia
- Volunteers
- 38 people
- Sponsor
- Universitas Sriwijaya