Clinical trials: Variability
Allergy, Hypersensitivity, Immediate
Head-to-Head Comparison Study Between Different FDA Registered Allergy Skin Test Applicators
This clinical study, titled "Head-to-Head Comparison Study between Different FDA Registered Allergy Skin Test Applicators," aims to compare the reliability and clinical performance of three skin prick test (SPT) devices…
- Conditions
- Allergy, Hypersensitivity, Immediate, Ig-E Mediated Food
- Trial name
- NCT07400718
- Testing
- AllerTest-10 Multi-Head Skin Test Device, Skintestor OMNI Multi-Head Skin Test Device, Multi-Test II Multi-Head Skin Test Device
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- QHSLab, Inc.
Obesity, Insulin Resistance
Explore the Relationship Between Heart Rate Variability, Body Mass Index, Inflammation, and Insulin Resistance.
The findings will serve as a reference for clinical professionals to promote exercise among the general population for improving HRV.
- Conditions
- Obesity, Insulin Resistance, Overweight
- Trial name
- NCT05949710
- Testing
- aerobic exercise(AE)
- Where
- Taiwan
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- National Tainan Junior College of Nursing
Decisional Variability by Presentation Methods for Consensus
Protocol Lab for Online Trials-Delphi
The Protocol Lab for Online Trials-Delphi (PLOT-D) module will use an online three-round Delphi combined with Participatory action research to inform the development of a multi-use protocol template to use in writing protocols…
- Trial name
- PLOT-D (NCT03498690)
- Testing
- Integrative, Role specific, Consecutive
- Where
- United Kingdom
- Volunteers
- 385 people, healthy volunteers welcome
- Sponsor
- ThinkWell
Hypertension, FXTAS
Diaphragmatic Breathing and Heart Rate Variability Training for Improving Hypertension in Fragile X Associated Tremor/Ataxia
To study whether heart rate variability training and respiratory coherence can improve hypertension in individuals with FXTAS. All patients will receive HRV biofeedback training for 20 sessions.
- Trial name
- NCT03816540
- Testing
- HRV and respiratory coherence biofeedback
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Resident Wellness, Resident Burnout
Remote Physiologic Monitoring of Resident Wellness and Burnout
Resident wellness and physician burnout are under the spotlight more and more as data begins to show that there is a point of diminishing return on the number of hours in training.
- Conditions
- Resident Wellness, Resident Burnout, Sleep, Stress
- Trial name
- NCT04304703
- Testing
- WHOOP strap 3.0
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Maternal Stress, Maternal Anxiety
Feasibility of Heart Rate Variability Biofeedback With In-patient Pregnant Women
Purpose: The investigators plan a feasibility study on an easily disseminated biofeedback tool to reduce stress among hospitalized and expecting mothers.
- Conditions
- Maternal Stress, Maternal Anxiety, Maternal Health Services
- Trial name
- NCT02119936
- Testing
- Heart Rate Variability Biofeedback Tool
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Old Age; Atrophy, Aging
High-Speed Resistance Training Program in Independent Older Adults
The aims of the present investigation are: a) to determine the effects of a 16-weeks high-speed resistance training program on health parameters in independent older adults; and b) to verify the durability of the effects after 6…
- Trial name
- NCT05586087
- Testing
- Experimental group
- Where
- Portugal
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- University of Évora
Primary Prevention, Stress
Efficacy of Taiji Training as a Program for Stress Prevention
Background: Excessive exposure to psychosocial stress can be a potent trigger for somatic diseases and psychological disorders, a cause for missing work, and eventually lead to high economic loss.
- Conditions
- Primary Prevention, Stress, Tai ji, Adult
- Trial name
- NCT01122706
- Testing
- Taiji training
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Bern
Newborn Infant
Impact of Physical Activity During Pregnancy on Cardiac Variability in Newborns
Ancillary study of the PregMouv study which aims to evaluate an intervention allowing the best adherence of women in terms of physical activity.
- Trial name
- NEOMOUV (NCT07264400)
- Testing
- Heart rate variability, Pulmonary function
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Biological Rhythm, Drug Metabolism and Pharmacokinetics
A Temporal Variability Study of Remimazolam for General Anesthesia Induction and Maintenance
The purpose of this study was to observe and compare the differences in plasma concentration, dosage and carboxylesterase 1 activity of remimazolam when remimazolam is used for general anesthesia induction and maintenance at…
- Trial name
- NCT07079800
- Where
- China
- Volunteers
- 188 people, healthy volunteers welcome
- Sponsor
- Jie Chen
Diet, Food, and Nutrition, Dietary Supplements
Bioavailability of Green Tea and Coffee Polyphenols
There is little information on the dietary intake, absorption, metabolism and bioavailability (degree to which a substance becomes available to the target tissues upon administration) of polyphenols (natural substances present in…
- Trial name
- POBAS (NCT03248115)
- Testing
- Green tea and green coffee extract tablets
- Where
- United Kingdom
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- MRC Human Nutrition Research
Сhanges in the Cardiovascular System in Healthcare Workers During Work Shift
Study of the Functional State of the Body of Medical Workers in the Intensive Care Unit for Newborns
The purpose of this work is to assess the functional state of the body of medical workers in the neonatal resuscitation and intensive care unit in the conditions of work.
- Trial name
- NCT05491148
- Testing
- work conditions
- Where
- Russia
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Federal State Budgetary Scientific Institution "Izmerov Research Institute of Occupational Health"
COPD
Complexity of the Airflow in COPD
Recently, there has been a growing interest in the study of nonlinear dynamics as a methodology for complementary analysis to characterize the respiratory pattern. These methods are well established in studies of heart rate.
- Trial name
- NCT01888705
- Where
- Brazil
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Rio de Janeiro State University
Sedentary Behaviors, Physical Inactivity
Step-Up vs. Running Exercise at Matched Heart Rate Zones in Sedentary Males
This study compares the effects of two aerobic exercise methods - loaded step-up exercise and treadmill running - on cardiovascular fitness, leg strength, heart rate variability, and recovery in sedentary adult males.
- Trial name
- NCT07585617
- Testing
- Loaded Step-Up Exercise, Treadmill Running
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Ankara University
Cardiac Arrest (CA)
Hand vs. Foot Chest Compressions in Simulation
Cardiopulmonary resuscitation (CPR) is essential in the management of cardiorespiratory arrest (CA) to improve survival rates. High-quality chest compressions are the primary intervention to maintain circulation and oxygenation…
- Trial name
- NCT07074080
- Testing
- Performing chest compressions on a mannequin using the foot, Performance of standard chest compressions with the upper limbs.
- Where
- Spain
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Hospital Clinic of Barcelona
Healthy, Healthy Adult
Assessment of Heart Rate Variability HRV During Descent DE From 2850m to Sea Level and During Re-ascent A From Sea Level to 2850m in Healthy Individuals H
To study the effect of relocation from high altitude (Quito Ecuador: 2850m) to sea level and re-ascent from sea level to 2850m on heart rate variability and other hemodynamic parameters in healthy individuals, who live…
- Conditions
- Healthy, Healthy Adult, High Altitude Effects, High Altitude
- Trial name
- NCT07801846
- Testing
- Descent and re-ascent (2850m, sea level)
- Where
- Switzerland
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Silvia Ulrich Somaini
Intervention Affecting Autonomic Nervous System
Autonomic Nervous System Modulation During Laparoscopic Prostatectomy
The purpose of this study is to measure the variations of autonomic nervous system (ANS) modulation directed to the heart and vessels induced by pneumoperitoneum and steep trendelenburg position.
- Trial name
- NCT01927380
- Testing
- steep trendelenburg position with pneumoperitoneum
- Where
- Italy
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- ASST Fatebenefratelli Sacco
Hypovolemia
Detection of Hypovolemia Using Pleth Variability Index (PVI)
The purpose with the planned study is to study Pleth Variability Index (PVI) as a non invasive indicator for mild hypovolemia during spontaneous breathing in healthy subjects.
- Trial name
- NCT01456559
- Testing
- Lower body negative pressure (LBNP)
- Where
- 2 sites in Sweden
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University Hospital, Linkoeping
Chronic Kidney Disease on Hemodialysis
Quantification of Autonomic Nervous Activity During Hemodialysis
This study assesses autonomic nervous system function by power spectral analysis of RR interval dynamics in ultrafiltration subjects without blood pressure variation.
- Trial name
- NCT02754986
- Testing
- Analysis of the holter electrocardiogram
- Where
- Japan
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Hyogo
Motor Imagery
Effects of Motor Imagery Training on Performance and Heart Rate Variability in Adolescent Basketball Players
The aim of this study is to examine the investigation of the effects of motor imagery to facilitate sensorimotor re-learning training on performance and heart rate variability in adolescent basketball players.
- Trial name
- NCT05886062
- Testing
- Motor Imagery to Facilitate Sensorimotor Re-Learning Training, Control Group
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ege University