Clinical trials: Variability
Development, Infant
The Effect of Maternal Scent on Sleep Wake States
This study will be a prospective, randomized controlled study, which aims to determine if a maternal scent intervention improves the sleep wake states, brain maturation, and heart rate variability in premature infants admitted to…
- Trial name
- NCT04301453
- Testing
- Maternal Scent
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- Columbia University
Exercise, Cardiorespiratory Fitness
Response Variability to Exercise
In this proposal, the investigators challenge the assumption that following the physical activity guidelines implies benefit for ALL adults, and that if benefit is not achieved in response to first line therapy, it will be by…
- Trial name
- REVISE (NCT05496751)
- Testing
- Low amount, low intensity exercise, Low amount, high intensity exercise, High amount, high intensity exercise
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Robert Ross, PhD
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
Fertility Disorders
The Circadian Variability of Serum Progesterone During the Day of a Frozen Embryo Transfer
Serum progesterone levels will be evaluated at four different time points during the day of an artificially prepared frozen embryo transfer cycle (HRT FET cycle) and a modified natural cycle frozen embryo transfer cycle (mNC FET…
- Trial name
- CIRCAPRO (NCT05511272)
- Testing
- blood test
- Where
- Belgium
- Volunteers
- 44 people
- Sponsor
- Universitair Ziekenhuis Brussel
Intravascular Volume
Internal Jugular Vein Distensibility and Pleth Variability Index(PVI) for Evaluating Fluid Responsiveness
Assessment of intravascular volume status is crucial in order to predict the efficacy of volume status in major abdominal surgery.
- Trial name
- NCT03673475
- Testing
- Assessment of fluid responsiveness
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Tepecik Training and Research Hospital
Obstructive Sleep Apnea, Sleep Apnea
Recording of Multiple Nights Using a New Contactless Device (Sleepiz One Connect) in Obstructive Sleep Apnea
The need for multiple night testing is well recognized in sleep medicine because of a considerable and relevant night-to-night variability.
- Conditions
- Obstructive Sleep Apnea, Sleep Apnea, Respiratory Tract Disease, Respiration Disorder
- Trial name
- NCT05134402
- Testing
- Sleepiz One Connect
- Where
- Switzerland
- Volunteers
- 25 people
- Sponsor
- Samuel Tschopp
Chronic Pain
Correlating Heart Rate Variability and Chronic Pain
The Canadian Armed Forces (CAF) has limited data on baseline quality of life measures and objective measures of function, for active serving members with chronic pain.
- Trial name
- NCT05283070
- Testing
- Questionnaires, physical tests, and heart rate variability measures
- Where
- Canada
- Volunteers
- 150 people
- Sponsor
- Canadian Forces Health Services Centre Ottawa
Diabetes Mellitus, Type 1
Telemedicine Program in Type 1 Diabetes and CSII
Diabetes mellitus is a chronic disease of high socio-health relevance for their clinical and economic implications (risk of complications, disability ...) (healthcare costs).
- Trial name
- NCT02790645
- Testing
- Group 2a. Telemedicine program, Group 1a. Control, Group 1b.Telemedicine program
- Volunteers
- 51 people
- Sponsor
- Fundación Pública Andaluza para la Investigación de Málaga en Biomedicina y Salud
Critically Ill
Is There Any Correlation Between Respiratory Variation Ratios of Internal Jugular Vein and Inferior Vena Cava?
Intravascular volume assesment is important for the management of the patients in the intensive care unit. Respiratory variation ratio of the inferior vena cava (IVC) can be determined by ultrasonography (USG) and is a useful…
- Trial name
- NCT04173741
- Testing
- USG measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people
- Sponsor
- Hacettepe University
Hemodynamic
Feasibility of Deep Inspiratory Internal Jugular Vein Variability in Guiding Preoperative Fluid Replacement
Compare the incidence of hypotension during the propofol-induced period between the internal jugular vein variability-guided fluid infusion group and the conventional fluid infusion group through a fluid infusion experiment…
- Trial name
- NCT06641505
- Testing
- Guiding rehydration
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Affiliated Hospital of Jiaxing University
Type2 Diabetes Mellitus
Heart Rate Variability and Diabetic Kidney Disease in Type 2 Diabetes Mellitus Patients
Several studies have investigated an association between cardiac autonomic neuropathy (CAN) and albuminuria, glomerular filtration rate, or both, and hypothesized that CAN is involved in the pathogenesis of nephropathy.
- Trial name
- NCT02996539
- Testing
- Clinical examination and laboratory measurements
- Where
- China
- Volunteers
- 392 people
- Sponsor
- Shi wei, MM
Depression
Depression, Trauma, and Health: Efficacy of an mHealth App for Symptom Self-Management in College Students
The study is designed to examine the efficacy of a mobile application heart rate variability biofeedback exercise on heart rate variability and depression.
- Trial name
- DepTH (NCT04094792)
- Testing
- Happify Breather App
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Donna Schuman
Resilience
Short Sessions of HRV Biofeedback
Remote 5 minute sessions of heart rate variability (HRV) biofeedback will be employed by participants for 5 weeks. Subjects will be followed for a total of 17 weeks.
- Trial name
- NCT05958329
- Testing
- HRV Biofeedback
- Where
- United States
- Volunteers
- 127 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Healthy Ageing
Efficacy of a Toe Flexion Training Protocol on Older Adults' Mobility
This randomized controlled trial aims to explore the effect of a toe flexion resistance training protocol on toe flexion strength and morphology, as well as in older adults (65-85 completed years) mobility related construct.
- Trial name
- PRP-Pied-AUT (NCT05703945)
- Testing
- Progressive training program, Control group
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Food Insecurity, Dietary Quality
Enjoying Affordable and Tasty Food Together
The goal of this pilot study is to examine the feasibility of a novel meal kit and nutrition education intervention among adults aged 40 years and older, who are lower income, and to evaluate the preliminary impact of the meal…
- Conditions
- Food Insecurity, Dietary Quality, Quality of Life, Cooking Self-efficacy
- Trial name
- PROJECT EATT (NCT07036757)
- Testing
- Meal Kit and Nutrition Education
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- University of Massachusetts, Lowell
Traumatic Brain Injury
Prediction of Neurological Outcome of Children After a Traumatic Brain Injury Based on an Integrated Predictive Model
This study aims to develop a integrated predictive model based on serum biomarkers, HRV, and an innovative computerized classifier output, to predict the patient long term neurological outcome after a moderate or severe TBI in…
- Trial name
- NCT04157634
- Testing
- Prognostication model
- Volunteers
- 70 people
- Sponsor
- St. Justine's Hospital
Mitochondrial Oxygenation Measurement, Measurement Error
Mitochondrial Oxygen Measurement Variability in Critically Ill Patients (INOX Variability Study)
To determine the between- and within-subject variability of the mitochondrial oxygenation measurement with the COMET device over time in healthy subjects and in hemodynamically stable subjects admitted to the intensive care unit.
- Conditions
- Mitochondrial Oxygenation Measurement, Measurement Error, Healthy
- Trial name
- NCT04626661
- Testing
- COMET measurement system
- Where
- Netherlands
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Sanquin-LUMC J.J van Rood Center for Clinical Transfusion Research
The Effect of Head Massage Therapy on the Autonomic Nervous System
The Effect of Head Massage Therapy on the Regulation of the Autonomic Nervous System
The autonomic nervous system (ANS) unconsciously regulates the activities of vital organ systems such as the respiratory, circulatory, and urinary systems.
- Trial name
- NCT02215486
- Testing
- Head Massage Therapy, Simple relaxation (No Head Massage)
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Children's & Women's Health Centre of British Columbia
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
Movement Disorders, Muscle Tone
Massage and Cold Water Immersion on Movement Variability After Fatigue in Swimmers
The goal of this clinical trial is to investigate the effectiveness of post-exercise massage and cold-water immersion compared to control in young elite swimmers.
- Conditions
- Movement Disorders, Muscle Tone, Perceived Exertion
- Trial name
- NCT04541901
- Testing
- Massage, Cold water immersion
- Where
- Brazil
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Flávia Carvalho
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