Clinical trials: Blood Sample
Cardiovascular Disease
Investigating the Effects of Green Tea on Blood Viscosity
A diet high in flavonoids is becoming more established as beneficial to human health. Recent data suggest that the regular consumption of flavanols can reduce the numbers of deaths by cardiovascular disease at a population level.
- Trial name
- NCT06740448
- Testing
- Green Tea, Control (Hot Water)
- Where
- United Kingdom
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Reading
Mucus Colitis, Inflammation, Colon
The Impact of Red Meat and Whole-grains Intake on the Colonic Mucosal Barrier
This study evaluates the impact of red meat and whole-grain intake on the colonic mucosal barrier and the dietary impact of these groups on the induced low-grade inflammation
- Conditions
- Mucus Colitis, Inflammation, Colon, Dietary Exposure
- Trial name
- NCT04235348
- Where
- Denmark
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
Healthy
A Pilot Study of the Effects of BCG Immunization on CSF and Blood-based Biomarkers in Older Adults.
A pilot study of the effects of Bacillus Calmette-Guérin (BCG) immunization on cerebrospinal fluid and blood-based biomarkers in older adults.
- Trial name
- NCT04507126
- Testing
- Bacillus Calmette-Guerin (BCG)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Exercise Training
Exercise Frequency During Endurance Training: Cardiorespiratory, Hematological, and Muscle Oxidative Adaptations
The goal of this interventional study is to compare training for different numbers of days each week in healthy, young individuals.
- Trial name
- NCT05908578
- Testing
- High Frequency Exercise Training, Low Frequency Exercise Training
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Health Behavior
Encouraging Blood Donation in Patients With a Blood Type in Short Supply
As of November 2021, partly due to the COVID-19 pandemic, there has been a months-long national shortage of several types of blood in the U.S.
- Trial name
- NCT05135325
- Testing
- Patient portal message, Social responsibility
- Where
- United States
- Volunteers
- 59,093 people, healthy volunteers welcome
- Sponsor
- Geisinger Clinic
Hypertension
The Effects of Antihypertensive Agents on Central Blood Pressure in Healthy Participants and Participants With Hypertension (MK-0000-166) (COMPLETED)
This study will test the relationship between CBP (central blood pressure) and PBP (peripheral blood pressure) effects after single and multiple doses of Isosorbide mononitrate extended release (ISMN ER) or Amlodipine besylate in…
- Trial name
- NCT01130168
- Testing
- Comparator: Amlodipine, Comparator: ISMN ER
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Healthy Subjects
Clinical Study to Investigate the Effect of Macitentan on the Concentrations of Rosuvastatin in the Blood of Healthy Male Subjects
The aim of this Phase 1 trial is to study a potential drug-drug interaction between macitentan and rosuvastatin, a model substrate of various transporter proteins (e.g. in the gut).
- Trial name
- NCT03359291
- Testing
- Rosuvastatin, Macitentan
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Actelion
Healthy, Overweight
The Effect of Blood Volume Changes on the Glucose Tolerance
In this study the investigators would like to elaborate on the mechanisms that lead to a higher insulin sensitivity after exercise training and a lower insulin sensitivity after bedrest.
- Trial name
- BV-GT (NCT02612597)
- Testing
- Bedrest, Exercise Training
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Carsten Lundby
Hepatitis B
Hepatitis B Vaccination in HIV-infected Adults
This is a follow up study from the published article entitled "Comparison of immunogenicity and safety of four doses and four double doses vs.
- Trial name
- NCT02713620
- Testing
- recombinant HBV vaccine (Hepavax-Gene® Berna, Korea)
- Where
- Thailand
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- Chiang Mai University
Blood Oxygen Saturation Level, Heart Rate
The Camera Oximeter: A Calibration Study
Pulse oximetry is a standard non-invasive method of measuring blood oxygen saturation (SpO2). In developing countries, pulse oximeters are rare because of expense and electricity requirements.
- Trial name
- NCT01732016
- Testing
- Normobaric hypoxia chamber
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Myocardial Infarction
Effects of Physical Activity, Ambulatory Blood Pressure and Calcium Score on Cardiovascular Health in Normal People
A prospective cohort of relatively healthy individuals, using comprehensive clinical information, advanced imaging (including cardiac MRI), cardiovascular exercise physiology, metabolomics and genetic analysis.
- Trial name
- SingHEART (NCT02791152)
- Where
- Singapore
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Vascular Stiffness, Cognitive Change
Blueberry Study Aimed at Improving Cognition and Peripheral Blood Flow
Blueberries are rich in the content of a variety of biologically active chemicals that contribute to their health properties. The consumption of blueberries has beneficial effects on vascular function and brain health and…
- Conditions
- Vascular Stiffness, Cognitive Change, Blood Pressure
- Trial name
- NCT04015258
- Testing
- Blueberries, Blueberry powder, Blueberry components capsules
- Where
- United Kingdom
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Kawasaki Disease, Heart Disease
Real Time Myocardial Contrast Echocardiography and Dobutamine Stress Perfusion Magnetic Resonance Imaging
The present study is designed to: 1. investigate the safety and efficacy of Real time myocardial echocardiography (RT-MCE) in adolescents and adults ages 12-50 with congenital and acquired congenital heart disease 2.
- Trial name
- ECHOBIKE (NCT00861848)
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Abdominal Obesity, Postprandial Lipemia
Alternating Energy Intake and Blood Fat Content After a Meal
Increasing evidence suggests that meal timing affects metabolic health. For example, intermittent fasting (IF) may have positive effects on plasma glucose and lipid levels, insulin sensitivity, and blood pressure.
- Conditions
- Abdominal Obesity, Postprandial Lipemia, Lipid Metabolism, Glucose Metabolism
- Trial name
- NCT04894526
- Testing
- Alternating Energy Intake, Regular Energy Intake
- Where
- Netherlands
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Hiv, Transgenderism
Microeconomic Intervention to Reduce HIV Transmission in Economically Disadvantaged Transgender Women
The purpose of this research study is to learn more about the economic situations, discrimination experiences, and risk behaviors of transgender women.
- Trial name
- NCT04275310
- Testing
- Microeconomic Intervention
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Tai Chi Practitioner, Qigong Practitioner
The Relationship Between Cranial Near-InfraRed Oxygenation(NIRO) and Heart Rate Variability During Mental Exercise
The objective of this study is to investigate the effect of Tai Chi and Qigong practice on cranial oxyhaemoglobin level, blood pressures and autonomic nervous system responses.
- Trial name
- NCT01088113
- Where
- China
- Volunteers
- healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
HIV Infections, HSV-2 Genital Herpes
Retention and Duration of Activity of SPL7013 (VivaGel®) After Vaginal Dosing.
To assess the retention and anti-viral activity (human immunodeficiency virus (HIV) and herpes simplex virus 2 (genital herpes, HSV-2) of SPL7013 in cervicovaginal samples taken up to 24 hours after administration of 3% SPL7013…
- Trial name
- NCT00740584
- Testing
- 3% SPL7013 Gel (VivaGel)
- Where
- Australia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Starpharma Pty Ltd
Quality of Health Care, HIV/AIDS
Using Electronic Medical Record Data to Improve HIV Primary Care
This cluster randomized control trial examines whether an audit and feedback study improves care of patients living with HIV/AIDS in a family health team setting.
- Conditions
- Quality of Health Care, HIV/AIDS, Electronic Health Records
- Trial name
- NCT04107233
- Testing
- Audit and Feedback
- Where
- Canada
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Hepatitis B, Poliomyelitis
Comparison of Immunogenicity and Reactogenicity of INFANRIX™ HEXA and HEXAVAC™ Vaccines as a Primary Vaccination Course
The study will compare the immunogenicity and the reactogenicity of INFANRIX™ HEXA and HEXAVAC™ vaccines in a 3, 5 and 11 - 12 month vaccination schedule.
- Conditions
- Hepatitis B, Poliomyelitis, Diphtheria, Acellular Pertussis
- Trial name
- NCT01457547
- Testing
- DTPa-HBV-IPV/Hib Vaccine (INFANRIX™ HEXA), DTPa-HBV-IPV-Hib vaccine (HEXAVAC™)
- Where
- 9 sites in Finland, Italy and 1 more
- Volunteers
- 494 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
End Stage Renal Disease and Cognitive Impairment
Blood-Brain Barrier Evaluation In Nephrology (BREIN)
Patients with Chronic Kidney Disease (CKD) have impaired psycho-cognitive functions in parallel with deteriorating kidney function.
- Trial name
- BREIN (NCT04328415)
- Testing
- Cerebral scintigraphy
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assistance Publique Hopitaux De Marseille
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