Clinical trials: Response
Coronary Artery Disease
The Predictive Value of the Heart Rate Response to Breathing Maneuvers for Inducible Myocardial Perfusion Deficits
Breathing maneuvers, i.e. hyperventilation followed by breath-holding, have been shown to change coronary dynamics; hyperventilating narrows the coronary arteries, puts "stress" on the heart, and increases the heart rate, whereas…
- Trial name
- SCREEN-MORE (NCT05516615)
- Testing
- 4 minute breathing maneuver
- Where
- Canada
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Influenza Virus Infection, Trained Immunity
Effects of BCG on Influenza Induced Immune Response
In the present study, the investigators want to investigate whether prior BCG-vaccination improves the efficacy of influenza ("the flu") vaccination in young and/or old healthy volunteers and consequently could protect against…
- Trial name
- NCT02114255
- Testing
- BCG
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Hypertension, Cardiovascular Risk Factor
Central Arterial Hemodynamics and Resistance Training
Resistance exercise training is one of the popular exercise modes that has been drawn the public's attention. However, existing evidence showed high-intensity resistance exercise training-induced negative adaptation on vascular…
- Trial name
- NCT04546308
- Testing
- Resistance exercise training
- Where
- Taiwan
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Severe Sepsis, Organ Failure
Comparative Study of the Protein C Pathway in Septic and Non Septic Patients With Organ Failure
This is a comparative study performed in 3 groups of patients/subjects: 30 severe sepsis patients, 30 non-septic patients with organ failure, 30 healthy subjects.
- Trial name
- NCT00361725
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Solar Elastosis
Histologic Response to UVA and UVB Exposure During the Use of Sunscreen
Anti-inflammatory and anti-oxidant agents have become the important ingredients in sunscreen. However, there is no histologic study about the effects of anti-inflammatory and anti-oxidative properties of sunscreen to prevent…
- Trial name
- NCT01892150
- Testing
- Sunscreen
- Where
- Thailand
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Feeding; Difficult, Newborn, Growth Failure
Prophylactic Probiotics to Extremely Low Birth Weight Prematures
Mortality and incidence of severe complications is still high among extremely premature infants. Common causes of severe complications in this population are poor nutrition, necrotizing enterocolitis, and severe infections.
- Conditions
- Feeding; Difficult, Newborn, Growth Failure, Necrotizing Enterocolitis, Sepsis
- Trial name
- PROPEL (NCT01603368)
- Testing
- Lactobacillus reuteri
- Where
- 2 sites in Sweden
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Ostergotland County Council, Sweden
Chronic Hepatitis b, Viremia
Adaptability of an Undetectable = Untransmissible Model for HBV
Persons with chronic hepatitis B (HBV) infection and active viremia are infectious and may transmit virus to others through blood/body fluid exposure.
- Trial name
- NCT07449091
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Healthy
Imagery Vividness and Arousal Responses to Prospective Imagery
Research has shown that mental imagery appears to carry emotion better than verbal communication. One way this can be noted is that emotional mental imagery trigger physiological arousal responses.
- Trial name
- NCT04370613
- Testing
- Prospective Imagery visualization task
- Where
- Sweden
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Overweight and/or Obesity, Overweight and Obese Adults
Psychophysiological and Cognitive Responses to Low-Volume High-Intensity Interval Exercise in Overweight-to-Obese Adults
This study aims to explore how stress-related hormones and psychological traits influence people's feelings and perceptions during a short and intense form of exercise called low-volume high-intensity interval exercise (Lv-HIIE).
- Trial name
- PSYCOG-HIIE (NCT07276308)
- Testing
- Low-Volume High-Intensity Interval Exercise (Lv-HIIE)
- Where
- Malaysia
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Sickle Cell Disease
Sickle Cell Pro-Inflammatory Response to Interval Training Study
Recommendations for exercise prescription currently do not exist for individuals with sickle cell anemia (SCA) despite the known impact that SCA-related complications has on physical functioning and fitness.
- Trial name
- SPRINTS (NCT03653676)
- Testing
- Exercise Test (CIIT)
- Where
- 3 sites in United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
Cardiovascular Diseases, Cardiovascular Abnormalities
Cardiovascular Risk Factors on Electrocardiographically and Hemodynamics Responses to Treadmill Exercise Test
The goal of this observational cross-sectional study is to analyze the effect of cardiovascular risk factors in healthy and asymptomatic populations.
- Conditions
- Cardiovascular Diseases, Cardiovascular Abnormalities, Healthy
- Trial name
- ERGO-RISC (NCT05987891)
- Testing
- Treadmill exercise stress test
- Where
- Brazil
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Morbid Obesity
Identification of Biomarkers of Response After Bariatric Surgery in Morbidly Obese Patients
The prevalence of obesity in Spain is about 21.6%. The discouraging results provided by dietary treatment, together with the lack of funding for pharmacological treatment, have led to the progressive use of bariatric surgery…
- Trial name
- PREDI-BAR (NCT03784508)
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Influenza
Safety and Efficacy of Oral Colostrum Derived Anti Influenza Antibodies in Healthy Volunteers
Administration of colostrum enriched with anti-Flu antibodies may alter host's response to the flu virus.
- Trial name
- NCT01026350
- Testing
- colostrum enriched with anti flu antibodies
- Where
- Israel
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Physical Activity, Emotions
Lighting and Human Response in Motor Time, Autonomic Nervous System, and Emotion
Light influences on human movement, autonomic nervous system, and emotion. It is inconclusive whether illuminance (Ev) and colour temperature (Tc) is appropriate to human movement, autonomic nervous systme, and emotion.
- Conditions
- Physical Activity, Emotions, Autonomic Nervous System Imbalance
- Trial name
- LiHR (NCT03144791)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mahidol University
COVID-19, Bariatric Surgery Candidate
Bariatric Surgery and COVID-19
The National Bariatric Surgical Registry (NBSR) is a prospectively collected database for all patients undergoing elective bariatric surgery in the UK.
- Trial name
- NCT05532891
- Testing
- COVID-19 pandemic
- Where
- United Kingdom
- Volunteers
- 11,545 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Cesarean Section Complications
Quality of Life and Pain Pressure Threshold in Response to Scar Release Techniques for Chronic Transverse Abdominal Scar
Postoperative scarring is one of the most common concerns among surgical patients. The incidence of abnormal scarring, i.e. keloid or hypertrophic scar formation after caesarean section (CS) is reported to be 41% .That can lead…
- Trial name
- NCT05937217
- Testing
- myofascial induction and direct scar release techniques, therapeutic ultrasound
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Major Depressive Disorder
Linking Affective Dynamics in Response to Daily Stress to Peripheral Vascular Function in Working Age Adults
The objective of this proposal is to determine whether heightened negative affective responsivity (NA-R) to daily stressors is related to blunted nitric oxide (NO)-mediated endothelium-dependent dilation (EDD) in working age…
- Trial name
- NCT06860724
- Testing
- NG-nitro-L-arginine methyl ester (L-NAME)
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Exercise, Cardiovascular Function, Fatigue, Muscular Power
Physiological Responses to Maximal 4-s Sprint Interval Cycling
The optimal recovery duration depends on the intensity of exercise and in the present study the intensity was maximal power for 4-s while cycling an 'Inertial Load' ergometer (ILE).
- Trial name
- NCT04448925
- Testing
- inertial-load exercise (ILE)
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Immune Response
Plant Stanol Esters and Influenza Vaccination
Plant stanols are known to lower low-density lipoprotein cholesterol (LDL-C). However, recent studies have suggested that these compounds also beneficially influence the immune system, e.g.
- Trial name
- NCT05706350
- Testing
- Influenza vaccine, Plant stanol soft chews (2g per day), Plant stanol soft chews (3g per day)
- Where
- Netherlands
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Pruritus
Dermal Blood Flow Response to Escalating Doses of Histamine, Administered by a Skin Prick
To determine the effective dose and the time course, the dermal blood flow response to histamine will be evaluated at different doses (5 µg, 15 µg and 50 µg).
- Trial name
- NCT04399213
- Testing
- 50 µg Histamine, 15 µg Histamine, 5 µg Histamine
- Where
- Belgium
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven