Clinical trials: Vitamin C
Patient Blood Management, Cardiac Surgery
Effect of the Combined Programme on Perioperative Anaemia（CPPA）
We used the preoperative intervention of iron sucrose in combination with human erythropoietin and vitamin C as an innovative combination therapy.
- Conditions
- Patient Blood Management, Cardiac Surgery, Iron Deficiency Anemia
- Trial name
- NCT05353348
- Testing
- Iron Sucrose, recombinant human erythropoietin, ascorbic acid, conventional treatment
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Pregnancy, Premature Birth
A Trial of Micronutrients and Adverse Pregnancy Outcomes
The purpose of this study is to examine the efficacy of multivitamin supplementation on fetal loss, low birth weight and severe preterm birth in healthy (HIV negative) women.
- Conditions
- Pregnancy, Premature Birth, Infant, Low Birth Weight, Pregnancy Outcomes
- Trial name
- NCT00197548
- Testing
- Multivitamins-vitamins B-complex, C, and E
- Volunteers
- 8,468 people
- Sponsor
- Harvard School of Public Health (HSPH)
Colorectal Cancer
Screening Tests in Detecting Colorectal Cancer
RATIONALE: Screening tests may help doctors detect cancer cells early and plan more effective treatment for colorectal cancer. PURPOSE: Randomized screening trial to compare the effectiveness of fecal occult blood testing with…
- Trial name
- NCT00025025
- Testing
- sample testing
- Where
- 65 sites in United States
- Volunteers
- 4,482 people
- Sponsor
- Alliance for Clinical Trials in Oncology
Alzheimer Disease
Drug Interaction Study With a Potential Alzheimer's Disease Compound
The purpose of this study is to determine whether BMS-708163 will effect the pharmacokinetics of the commonly prescribed medicines midazolam, warfarin, caffeine,omeprazole and dextromethorphan
- Trial name
- NCT00726726
- Testing
- Interacting drugs - Cooperstown Cocktail (midazolam, warfarin, (+ vitamin K), caffeine, omeprazole and dextromethorphan), BMS-708163, BMS-708163 + Cooperstown Cocktail
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Bristol-Myers Squibb
Chronic Pancreatitis
Role of Antioxidants Supplementation in Chronic Pancreatitis
Chronic pancreatitis is a progressive inflammatory disease of the pancreas that presents with abdominal pain and in late stages may cause diabetes and malnutrition.
- Trial name
- NCT00319358
- Testing
- Antioxidants
- Where
- India
- Volunteers
- 127 people
- Sponsor
- All India Institute of Medical Sciences
Chronic Fatigue Syndrome
Clinical Trial to Measure the Maximun HR After ReConnect ® Supplementation vs. Placebo in CFS.
The main objective is evaluate to safety and efficacy of oral Reconnect ® (food supplementation composed by Coenzyme Q10, NADH, phosphoserine y vitamin C) on the maximum HR during an exercise test in CFS
- Trial name
- ReConnect (NCT02063126)
- Testing
- ReConnect (NADH plus CoQ10)
- Where
- Spain
- Volunteers
- 80 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Covid19
Safety and Efficacy of Ivermectin and Doxycycline in Treatment of Covid-19
A randomized double blind control trial will be done. Total 188 Covid-19 patients will be enrolled in this trial who are RT-PCR confirmed case of mild cases.
- Trial name
- NCT04551755
- Testing
- Ivermectin and Doxycycline
- Volunteers
- 188 people
- Sponsor
- Bangladesh Medical Research Council (BMRC)
İron Deficiency Anemia, Liposomal Iron Replacement
Liposomal vs Conventional Oral Iron After Sleeve Gastrectomy
Low-dose liposomal iron (17-34 mg elemental/day) was compared with standard conventional oral iron (100-200mg elemental/day) in the treatment of iron deficiency anemia following sleeve gastrectomy.
- Conditions
- İron Deficiency Anemia, Liposomal Iron Replacement, Conventional Iron Replacement
- Trial name
- anemia (NCT07366502)
- Testing
- Liposomal Iron, conventional oral iron
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Medeni Şermet
HIV-1-infection, AIDS
Protect and Improve Cluster of Differentiation 4 (CD4) Cells and B Cells Lymphocytes
This is a plant-based medication used to increase the amount, protect, and reduce HIV's impact on T and B lymphocytes.
- Trial name
- NCT04770701
- Testing
- Ahah Drug
- Where
- Vietnam
- Sponsor
- Trieu, Nguyen Thi, M.D.
Infections, Respiratory Tract
An Efficacy and Safety Study of Theraflu Day Powder as Oral Solution for Cold and Flu
The purpose of the study is to assess the short term efficacy of the Theraflu Aktiv powder for oral solution in the Russian population as compared to an untreated group to support the indication of "Short term relief of the…
- Trial name
- NCT02678234
- Testing
- Paracetamol, phenylephrine HCl, and vitamin C
- Sponsor
- GlaxoSmithKline
Respiratory Tract Infections (RTI), Meningitis
Immune-Mitochondrial Correction in Military Recruits
The goal of this clinical trial is to learn if a new immune-mitochondrial correction strategy works better than standard vitamins to prevent infections in young male military recruits during their first 6 months of service.
- Conditions
- Respiratory Tract Infections (RTI), Meningitis, Primary Prevention/Methods, Primary Prevention
- Trial name
- IMMU-MITO (NCT07622147)
- Testing
- Multivitamin/Mineral supplements, Sodium nucleinate combination
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- MIPO Clinic
Hypoxia, Hypercapnia
Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation
Elucidating cerebrovascular control mechanisms during physiologic stress may help identify novel therapeutic targets aimed at preventing or reducing the impact of cerebrovascular disease.
- Trial name
- NCT03066115
- Testing
- L-NMMA, Ketorolac, Ascorbic Acid
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Postoperative Pain
Preoperative Melatonin or Vitamin C Administration on Postoperative Analgesia
The investigators designed a randomized double-blind placebo-controlled trial to evaluate the effect of preoperative single dose of oral melatonin and vitamin C administration on postoperative analgesia in patients undergoing…
- Trial name
- NCT02639741
- Testing
- Melatonin, Vitamin C
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people
- Sponsor
- Cukurova University
Chronic Kidney Disease, Cardiovascular Disease
Folic Acid for Vascular Outcome Reduction In Transplantation (FAVORIT)
The purpose of this randomized clinical trial is to determine if lowering homocysteine levels in renal transplant recipients with a multivitamin will reduce the occurrence of cardiovascular disease outcomes.
- Conditions
- Chronic Kidney Disease, Cardiovascular Disease, Death
- Trial name
- FAVORIT (NCT00064753)
- Testing
- High Dose Multivitamin, Low Dose Multivitamin
- Where
- 30 sites in United States, Brazil and 1 more
- Volunteers
- 4,110 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Chronic Cholecystitis, Cholelithiasis
Effect of Vitamin C on Postoperative Pain After Laparoscopic Cholecystectomy
The aim of this study is to evaluate the effect of Vitamine C supplements to be helpful to reduce the postoperative pain after laparoscopic cholecystectomy through the double-blinded randomized controlled trial.
- Trial name
- NCT02553551
- Testing
- Vitamin C
- Where
- South Korea
- Volunteers
- 320 people
- Sponsor
- Taeho Hong
Gingival Pigmentation
Vitamin C Mesotherapy Versus Diode Laser for the Management of Physiologic Gingival Pigmentation
Physiologic pigmentation affects the gingival esthetics. Laser ablation has been recently used as the most effective and reliable technique for gingival depigmentation.
- Trial name
- NCT05608057
- Testing
- Vitamin C mesotherapy, Diode laser
- Where
- Egypt
- Volunteers
- 26 people
- Sponsor
- Hams Hamed Abdelrahman
Healthy Aging, Healthy
Investigating the Effects of Daily Consumption of Blueberry (Poly)Phenols on Vascular Function and Cognitive Performance
Foods rich in certain (poly)phenols, particularly flavonoids, such as berries and cocoa, have been shown to improve measures of vascular function as well as cognitive performance in human intervention studies.
- Trial name
- BluFlow (NCT04084457)
- Testing
- Wild Blueberry powder
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- King's College London
Chronic Pancreatitis, Pancreatic Exocrine Insufficiency
Establishment and Clinical Application of Pancreatic Endocrine and Exocrine Function Tests
The goal of this observational study is to improve the epidemiological data of pancreatic exocrine insufficiency in China, determine the FE-1 cut-off value for the classification of PEI, and explore the characteristic differences…
- Conditions
- Chronic Pancreatitis, Pancreatic Exocrine Insufficiency, Diabetes Mellitus, Community Populations
- Trial name
- NCT06006312
- Testing
- fecal elastase-1 test, 72-hour fecal fat quantification, blood sample test
- Where
- China
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Bowel Preparation Solution
PEG-Asc Vs. SPMC for Bowel Preparation in Capsule-based Procedures
This clinical research study is designed to find out which of two different types of bowel preparation works best for people undergoing capsule-based endoscopy procedures.
- Trial name
- NCT07206329
- Testing
- Polyethylene Glycol plus Ascorbic Acid (PEG-Asc), Sodium Picosulfate with Magnesium Citrate (SPMC)
- Where
- Portugal
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Unidade Local de Saúde do Alto Ave, EPE
Antineoplastic Combined Chemotherapy Protocols
Marched Pair Study Conventional Doxorubicin(DOX) Versus Pegylated Liposomal Doxorubicin(PLD) Neoadjuvant Chemotherapy
The regimen PLD plus cyclophosphamide 4 cycles followed by paclitaxel or docetaxel 4 cycles(noted in phase II CAPRICE) will be used as experimental group.
- Trial name
- NCT02953184
- Testing
- Pegylated Liposomal Doxorubicin, Cyclophosphamide, Taxotere
- Where
- China
- Volunteers
- 160 people
- Sponsor
- Jilin University
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