Clinical trials: Concentration
Rheumatoid Arthritis, Healthy Volunteers
Effects of Administration of Fostamatinib on Blood Concentrations of Rifampicin in Healthy Subjects.
The purpose of this study is to investigate the drug interaction between fostamatinib and rifampicin by comparing the safety, tolerability and plasma concentration of fostamatinib when administered alone and with rifampicin in…
- Trial name
- NCT01336218
- Testing
- fostamatinib, rifampicin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Healthy
Psychometric Testing: Cued vs. Learned Suppression
In this line of research, the researchers are examining whether performance on a cued attentional suppression (ignoring) task is related to performance on a learned attentional suppression task.
- Trial name
- NCT06074523
- Testing
- Behavioral Measurement and self-report
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Lehigh University
Healthy
The Effect of Rifapentine on Raltegravir
The aim of this study is to study the effect of rifapentine on plasma concentrations of raltegravir.
- Trial name
- NCT00809718
- Testing
- Raltegravir and rifapentine
- Where
- 2 sites in United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Transmission, Patient-Professional
The Effects of Filter During CPET on WOB and Aerosol Particle Concentrations
Due to the concerns of virus transmission during COVID-19 pandemic, multiple respiratory societies postpone or limit pulmonary function test, especially cardiopulmonary exercise test (CPET), as patients may generate large amount…
- Trial name
- NCT04526925
- Testing
- Respiratory filter in-line placed with the standard mouthpiece, Standard mouthpiece
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Focal Brain Lesion, Focal Lesions
Top-Down Attentional Control of Visual-Processing
Background: Previous studies have shown that people with certain types of brain damage may have particular problems paying attention and processing things that they see.
- Conditions
- Focal Brain Lesion, Focal Lesions, fMRI
- Trial name
- NCT01087281
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
N/A, as no Specific Medical Condition Will be Treated
A Study to Evaluate the Distribution of Botulinum Neurotoxin Type A Administered as Intradermal Injections, Comparing Different Doses, Concentrations, and Delivery Methods
The purpose of this study is to evaluate the distribution of IncobotulinumtoxinA (Xeomin) in healthy subjects at different volumes, concentrations and doses when administered intradermally and subcutaneously using different…
- Trial name
- NCT05585398
- Testing
- IncobotulinumtoxinA
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Merz Pharmaceuticals GmbH
Excessive Weight Gain During Pregnancy
Examination of the Relationship Between Weight Gain During Pregnancy and Sfrp-5, Netrin-4 and Resistin Concentrations
Researchers thought that the molecules Sfrp-5, Resistin and Netrin-4, which will be examine, they may have a significant effect on weight gain during pregnancy.
- Trial name
- NCT06371781
- Testing
- Serum Netrin-4, Resistin and Sfrp-5 level measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Cumhuriyet University
Awareness, Attention
Impact of Attentional Tunelling on a Population of French Practitioners
The tunnel effect, also known as attentional tunnelling, is a cognitive bias affecting all healthcare professionals, including odontologists.
- Trial name
- NCT07266909
- Testing
- Face-to-face or online survey
- Where
- France
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Nice
Symptoms of Anxiety
Transcranial Photobiomodulation in Anxiety Disorders
The investigators have previously shown that safe, non-invasive methods of brain stimulation such as the administration of transcranial infrared light can result in improvements to cognition and emotion.
- Trial name
- NCT07133893
- Testing
- Attention bias assessment and modification, Transcranial photobiomodulation
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Francisco Gonzalez-Lima, PhD
Blood Glucose Concentration
The Glycemic and Insulinemic Responses Elicited by Meals Containing Whole Grain Rye Bread or White Wheat Bread
This is a postprandial study with healthy volunteers. The glycemic and insulinemic responses elicited by meals containing either whole grain rye bread or white wheat bread as such or combined with margarine and ham and vegetable…
- Trial name
- NCT02400411
- Testing
- Wheat bread, margarine, ham
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Helsinki
Autoimmune Hepatitis, Cirrhosis
Effect of High-protein High-fiber Diet in Patients With Autoimmune Hepatitis
Autoimmune hepatitis is a chronic disease of the liver caused by an alteration of the immune response that attacks the body's own hepatocytes, progressively, leading to cirrhosis and liver failure.
- Trial name
- NCT01655121
- Testing
- High protein high fiber diet
- Where
- Mexico
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Malnutrition
Short Term Response of Breast Milk Micronutrient Concentrations to a Lipid Based Nutrient Supplement in Guatemalan Women
Research goals include evaluating the relative impact of maternal nutritional status versus recent dietary intake on breast milk micronutrient composition, and evaluating the impact of a maternal lipid based nutrient supplement…
- Trial name
- NCT02464111
- Testing
- Treatment 1: Control, Treatment 2: Bolus (LNS), Treatment 3: Divided Dose (LNS)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Attention Deficit Hyperactivity Disorder
Standardized Lycium Chinense Fruit Extract Enhances Attention and Cognitive Function in Healthy Young People
Lycium chinense fruit (LCF) is widely distributed in East Asia that has been used traditionally for anti-aging purposes. This study was performed to examine the effects of LCF on attention and cognitive function in healthy young…
- Trial name
- NCT03439111
- Testing
- Standardized Lycium chinense Fruit Extract (LCF) capsules
- Where
- South Korea
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Biomix
Desflurane, Anesthesia, General
The Effect of Anthropometrics on Desflurane Rise Time
Desflurane is increasingly used in general anesthesia. Its pharmacokinetic properties are known and its distribution is easily modeled. Yet these models fail in practice.
- Trial name
- NCT06026033
- Testing
- Desflurane induction
- Where
- Turkey (Türkiye)
- Volunteers
- 361 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University
Cardiovascular Diseases
In Vitro Interaction Between Ticagrelor and Its Active Metabolite and Their Effects on Salicylic Acid
This is a in-vitro study to evaluate the pharmacodynamic interaction between ticagrelor and its active metabolite (AR-C124910XX) and their effects on the pharmacodynamics of salicylic acid.
- Trial name
- In_vitro_PAT (NCT01777516)
- Where
- South Korea
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Asan Medical Center
PTSD, Depression
Increasing Psychological Resilience in Combat Soldiers Applying Advanced Eye-Tracking-Based Attention Bias Modification
Military service in combat units entails exposure to traumatic events that require mental adjustment. To develop and efficiently apply attention bias modification interventions aimed at enhancing soldiers' mental resilience, it…
- Conditions
- PTSD, Depression, Anxiety Disorders
- Trial name
- NCT05294848
- Testing
- Gaze-Contingent Feedback Training, Attention Bias Modification, Neutral Control
- Where
- Israel
- Volunteers
- 501 people, healthy volunteers welcome
- Sponsor
- Tel Aviv University
Nausea and Vomiting Complain in Early Pregnancy
B6 Treatment for Nausea and Vomiting in Pregnancy
The purpose of this study is to determine vitamin B6 concentration and whether vitamin B6 is effective in nausea and vomiting of pregnancy.
- Trial name
- NCT00763633
- Testing
- vitamin B6
- Where
- Indonesia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Showa University
Parkinson Disease, Dual-task Walking
Effects of Attentional Focus Strategy on Dual-task Walking Training in Patients With Parkinson's Disease
Walking deficits and altered brain capacity have been proved to be two of the main contributing factors in dual-task walking deficits in patients with Parkinson's disease (PD).
- Trial name
- NCT04364152
- Testing
- Dual-task walking training
- Where
- Taiwan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Infertility, Female
Plasma Concentrations of Calcium, Phosphate, FGF23, Klotho, 25 (OH) D3 and 1,25 (OH) 2D3 from Patients Who Wants to Have Children
1,25-dihydroxy-vitamin D3 (1,25 (OH) 2D3) or calcitriol regulates plasma calcium and phosphate concentrations in the blood by stimulating intestinal absorption and renal reabsorption of calcium and phosphate.
- Trial name
- NCT03173235
- Testing
- Plasma level of vitamin D
- Where
- Germany
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Healthy
Drug Concentration of Metformin According to Sampling Method
This study assess the drug concentration of metformin in healthy adult volunteers according to the sampling method.
- Trial name
- NCT03970434
- Testing
- Venous blood collection, Peripheral blood collection
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Chonbuk National University Hospital
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