Clinical trials: Blood Sample
Impotence
Use of Sildenafil (Viagra) in Diabetic Men With Erectile Dysfunction: the Impact on Blood Vessels
To evaluate the impact of nightly sildenafil vs placebo use on diabetic men with and without proven endothelial dysfunction and coexisting erectile concerns.
- Trial name
- NCT00199563
- Testing
- Viagra
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Insomnia Type; Sleep Disorder
Sleep and Cardiovascular Health in Adolescence
Insomnia is a prevalent and under-recognized disorder in adolescence, particularly in girls, with long-term repercussions for mental and physical health.
- Trial name
- NCT03727906
- Testing
- No pre-sleep arousal manipulation, pre-sleep arousal down-regulation, pre-sleep arousal up-regulation
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- SRI International
Healthy Volunteers
Berry Components and Blood Sugar & Fat Metabolism
The primary objective of this study is to determine which components of berries improve glucose metabolism and increase fat oxidation in humans.
- Trial name
- NCT03458858
- Testing
- Mixed Berry Diet, Carbohydrate Control Jello, Fiber Enriched Jello
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- USDA Beltsville Human Nutrition Research Center
Human Immunodeficiency Virus, Depression
Our Family Our Future: A Resilience-oriented Family Intervention to Prevent Adolescent HIV/STI Infection and Depression in South Africa
The purpose of this study is to test the efficacy of Our Family Our Future, an integrated intervention for preventing HIV and depression onset among adolescents.
- Conditions
- Human Immunodeficiency Virus, Depression, Sexually Transmitted Diseases
- Trial name
- NCT03231358
- Testing
- Our Family Our Future
- Where
- South Africa
- Volunteers
- 1,758 people, healthy volunteers welcome
- Sponsor
- Brown University
Primary Sclerosing Cholangitis, Primary Biliary Cirrhosis
Biobank for Cholestatic Liver Diseases.
This study is a biobank of specimens and clinical data for use in current and future research to better understand the cholestatic liver diseases primary biliary cirrhosis/cholangitis (PBC) and primary sclerosing cholangitis…
- Conditions
- Primary Sclerosing Cholangitis, Primary Biliary Cirrhosis, Cholangiocarcinoma, Liver Cancer
- Trial name
- NCT03445585
- Where
- United States
- Volunteers
- 9,150 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Cerebral Blood Flow, Cerebral Perfusion Pressure
Continous Assessment of Cerebral Autoregulation With Near-infrared Spectroscopy
Cerebral autoregulation can be explained by a tight coupling between oxygen supply and demand of the brain, and is essential to maintain a constant cerebral blood flow (CBF) in the context of changes in cerebral perfusion…
- Trial name
- NCT02959008
- Testing
- measure TOI and BP
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yu Liyun
Red Blood Cell Disorder
Pathophysiological Explorations of Red Blood Cells
GR-Ex is a program labelled by Labex (Laboratory of Excellence) by the French Ministry of Higher Education and Research. This program aims to develop the means to improve knowledge in the physiology and pathologies of…
- Trial name
- GR-Ex (NCT03541525)
- Testing
- Biological sampling
- Where
- 25 sites in Benin, France and 1 more
- Volunteers
- 3,750 people, healthy volunteers welcome
- Sponsor
- Imagine Institute
Fluid Overload, Water Electrolyte Imbalance
The Effect of Crystalloids and Colloids on Visceral Blood Flow
Patients often require fluid replacement during and after an operation. This is usually given through veins in the arm using an intravenous cannula and doctors have traditionally used fluid containing sodium chloride (saline).
- Conditions
- Fluid Overload, Water Electrolyte Imbalance, Acid Base Imbalance
- Trial name
- NCT01087853
- Testing
- Crystalloid, Colloid
- Where
- United Kingdom
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Hypertension, Blood Pressure
Evaluation and Standardization of Ginseng and it's Components for Blood Pressure Regulation
Ginseng has been used for many years in a wide array of anecdotal medicinal properties. Animal and limited clinical research points to the vascular effects of Korean Red Ginseng (KRG).
- Conditions
- Hypertension, Blood Pressure, Endothelial Function
- Trial name
- ESGC (NCT00728221)
- Testing
- Korean Red Ginseng, Korean Red Ginseng (Panax ginseng), Cornstarch
- Where
- Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Mood
Effects of Theobromine and Caffeine on Mood, Cognition and Blood Pressure
The purpose of this study was to measure potential mood, cognition and blood pressure effects of theobromine and caffeine in healthy women
- Trial name
- NCT01288547
- Testing
- theobromine, Caffeine, caffeine + theobromine
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Unilever R&D
Healthy Subjects, Infection, Human Immunodeficiency Virus
Relative Bioavailability Study of Two New Dolutegravir/Abacavir/Lamivudine Fixed Dose Combination Tablets
Dolutegravir (DTG, GSK1349572) is a next-generation integrase inhibitor (INI) currently in phase 3 clinical trials for human immunodeficiency virus (HIV).
- Trial name
- NCT01366547
- Testing
- Dolutegravir 50 mg/abacavir 600 mg/lamivudine 300 mg, Dolutegravir 50 mg, abacavir 600 mg/lamivudine 300 mg
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
Lung Cancer, Colorectal Cancer
ProSight: A Multi-centre Interventional Study Evaluating MCED in Asymptomatic Population
This is a prospective, multi-centre interventional study evaluating the feasibility of blood-based multi-cancer early detection test in asymptomatic screening cohort.
- Conditions
- Lung Cancer, Colorectal Cancer, Liver Cancer, Grastic Cancer
- Trial name
- NCT06790355
- Testing
- multi-cancer early detection
- Where
- 4 sites in China
- Volunteers
- 2,527 people, healthy volunteers welcome
- Sponsor
- Shanghai Weihe Medical Laboratory Co., Ltd.
Satiety, Postprandial Glycemia
Effect of Lemon Juice and Apple Cider Vinegar on Postprandial Blood Glucose and Satiety in Healthy Individuals
This clinical study aims to examine how acidic drinks (lemon juice and apple cider vinegar) affect blood sugar when consumed with a starchy food.
- Trial name
- NCT07563985
- Testing
- Control (Water + White Bread), Lemon Juice 50 g, Lemon Juice 100 g
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Alanya Alaaddin Keykubat University
Malaria
Lumefantrine in Venous Plasma Versus Dried Capillary Blood Spot
Measurement of the concentration of antimalarials in the blood of the general population helps estimating the overall drug pressure and is used in efficacy studies.
- Trial name
- NCT02742285
- Testing
- Artemether + lumefantrine
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Thierry Buclin
Healthy
Effects of Time-Restricted Fasting on the Postprandial Glycemic Responses
The goal of this clinical trial is to investigate whether fasting timing has a significant effect on postprandial glycemic responses in healthy adults. The main questions it aims to answer are: 1.
- Trial name
- NCT05913635
- Testing
- Consumption of lunch and dinner, with no breakfast, Consumption of breakfast and lunch, with no dinner
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Fudan University
Hypoxia
Belun SpO2 Accuracy Comparison to Arterial Blood CO-Oximetry
This study was a comparative, single-center, non-randomized study conducted to evaluate the SpO2 accuracy per standards and guidelines identified above for SpO2 accuracy for pulse oximetry equipment over the range of 70-100% SaO2…
- Trial name
- NCT04873947
- Testing
- Pulse Oximeter
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Belun Technology Company Limited
Pain, Blood Sampling Procedure
The Effect of a Guessing Game on Fear, Pain, and Emotional State During Blood Collection in Children Aged 6-12
The aim of this study is to evaluate the effects of a guessing game on fear, pain and emotional state during blood collection in children aged 6-12 years.
- Conditions
- Pain, Blood Sampling Procedure, Fear Anxiety
- Trial name
- NCT07299058
- Testing
- I Wonder What I Am Play
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Dokuz Eylul University
Diabetes
User Performance Evaluation of Contour® Plus One, Accu-Chek® Performa Connect, FreeStyle Optium Neo and OneTouch® Select Plus Blood Glucose Monitoring Systems Following ISO 15197:2013; EN ISO 15197:2015
The user performance evaluation shows whether people with diabetes are able to obtain accurate measurement results with a blood glucose monitoring system.
- Trial name
- NCT02916576
- Testing
- Blood-Glucose Monitoring Systems for self-testing
- Where
- Germany
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Institut für Diabetes-Technologie Forschungs- und Entwicklungsgesellschaft mbH an der Universität Ulm
HIV Infections, Tuberculosis
Characteristics and Prevalence of Tuberculosis and HIV in Masiphumelele Township, Cape Town, South Africa
The purpose of this study is to determine the number of people infected with tuberculosis (TB) in the Masiphumelele Township of Cape Town, South Africa, a community with high rates of TB and HIV.
- Trial name
- NCT00346476
- Where
- 2 sites in South Africa
- Volunteers
- 1,250 people, healthy volunteers welcome
- Sponsor
- CIPRA SA
HIV Infections
A Phase I Multicenter Clinical Trial to Evaluate the Safety and Immunogenicity of Vaccinia-Derived HIV-1 Recombinant Envelope Glycoprotein (gp160)
To determine the safety of vaccinia-derived HIV-1 recombinant envelope glycoprotein (gp160) in human volunteers; to evaluate the immunogenicity of this preparation in human volunteers.
- Trial name
- NCT00000968
- Testing
- gp160 Vaccine (Immuno-AG)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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