Clinical trials: Variability
Suicidal Ideation, Suicidal Behavior
The "AIM Study": Investigating Whether Actigraphy and Ideation Measures Can Promote Patient Safety
This is a research project looking at whether measuring movements or responses to certain questions can help predict suicidal thoughts or actions.
- Conditions
- Suicidal Ideation, Suicidal Behavior, Mental Health Symptoms, Mental Health Hospitalizations
- Trial name
- AIM (NCT03080168)
- Testing
- Actigraph
- Where
- United States
- Volunteers
- 220 people
- Sponsor
- VA Office of Research and Development
Healthy Adult Participants
The Effect of A Slow-Paced Breathing Intervention on Heart Rate Variability, Stress, and Dysfunctional Breathing Patterns in Healthy Young Adults
The primary aim of this study is to evaluate the effects of a controlled breathing exercises-on autonomic nervous system functions (HRV) and perceived stress levels in healthy young adults with dysfunctional breathing patterns.
- Trial name
- SPB-HRV-RCT (NCT07874750)
- Testing
- slow-paced breathing
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Bahçeşehir University
Arterial Hypertension
Acute and Chronic Responses to Blood Pressure After Exercise
The study will evaluate the variability of blood pressure in postmenopausal and hypertensive women after only one session and after training of ten weeks of combined physical exercises (aerobic and resisted).
- Trial name
- NCT03160989
- Testing
- physical exercises
- Volunteers
- 14 people
- Sponsor
- Federal University of Uberlandia
Hypertension
The Effects of Doxazosin and Nifedipine on Blood Pressure Variability and Uric Acid in Plasma in Hypertensive Patients
Hypertension is one of the most common cardiovascular diseases, which is a major risk factor for stroke and cardiovascular events.
- Trial name
- NCT02563405
- Testing
- Doxazosin, Nifedipine
- Where
- China
- Volunteers
- 30 people
- Sponsor
- First Affiliated Hospital of Harbin Medical University
Heart Rate, Variability
Heart Rate Variability in Febrile Young Infants
Febrile infants younger than 3 months old present a diagnostic dilemma to the emergency physician. Tension remains between the need for early aggressive intervention among patients with suspected sepsis and the global phenomena…
- Conditions
- Heart Rate, Variability, Triage, Decision Support Techniques
- Trial name
- HRV (NCT04103151)
- Testing
- Single lead ECG
- Where
- Singapore
- Volunteers
- 330 people
- Sponsor
- KK Women's and Children's Hospital
Preload-responsiveness
Is Mitral Velocity Time-integral a Marker of Preload-responsiveness in Patients With Acute Circulatory Failure?
The aim of this is to assess the reliability of the variability of the mitral velocity time-integral with passive leg raising to predict the fluid responsiveness in patients with acute circulatory failure in intensive care.
- Trial name
- NCT05538637
- Testing
- Echocardiography
- Where
- Morocco
- Volunteers
- 50 people
- Sponsor
- Avicenna Military Hospital
Morbid Obesity, Sports Physical Therapy
Nonresponders by the Session Order Factor
Concurrent training (CT, characterised by the inclusion of two exercise modalities), is recognised to improve metabolic syndrome (MetS) markers, but little is known about order session effect on interindividual variability.
- Trial name
- NCT04932642
- Testing
- HIIT+RT experimental group, RT+HIIT experimental group
- Where
- Chile
- Volunteers
- 43 people
- Sponsor
- Cristian Alvarez
PTSD
Using Heart Rate Variability Biofeedback to Improve Attention and Memory in PTSD+ Combat Veterans
This study will test the effectiveness of Heart Rate Variability (HRV) Biofeedback as a therapeutic tool in the reduction of everyday memory problems routinely experienced by combat veterans with Posttraumatic Stress Disorder…
- Trial name
- HRVB (NCT00625105)
- Testing
- Biofeedback
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- William Jennings Bryan Dorn VA Medical Center
Gait Impairment in Stroke Patients
Spatiotemporal Gait Parameters of Healthy and Stroke Patients During Overground, Treadmill, and Body Weight Supported Treadmill Walking
Gait impairments following a stroke significantly hinder mobility and quality of life, emphasizing the need for precise assessment methods to guide effective rehabilitation strategies.
- Trial name
- NCT07034105
- Testing
- Gait Analysis
- Where
- Bangladesh
- Volunteers
- 25 people
- Sponsor
- Bangladesh University of Engineering and Technology
Diabetes Mellitus, Type 1
Motivational Interview in Adolescents With Poorly Controlled Type 1 Diabetes
This study investigates the effect of motivational interviewing and intensive education on HbA1c values and glucose variability in poorly controlled adolescent T1D patients.
- Trial name
- NCT02637154
- Testing
- Motivational Interviewing, Standard Education
- Where
- 3 sites in Finland
- Volunteers
- 50 people
- Sponsor
- Helsinki University Central Hospital
Tinnitus
Variability of Tinnitus Characterization Tools and Investigation of Audiovisual Integration in Tinnitus Perception
Characterizing the nature and severity of tinnitus in individuals presents a particular challenge. The nature of the sound (loudness and pitch) is not necessarily indicative of the effect on quality of life.
- Trial name
- NCT02717065
- Testing
- Tone, Video
- Where
- United States
- Sponsor
- University of Minnesota
Hydration
Feasibility of Using the Gatorade Sports Science Institute (GSSI) Labs App for Hydration Related Outcomes
This remote study will evaluate the feasibility of using the Gatorade Sports Science Institute (GSSI) Labs App for remotely collecting hydration related outcomes.
- Trial name
- NCT07005895
- Testing
- Hydration assessment via mobile app
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Hyperthyroidism
Heart Rate Variability and Hyperthyroidism: Evaluation of the Short-term Effects of Propanolol
Objective: The aim of our study was to evaluate the short term effects of Propanolol on heart rate variability in patients with hyperthyroidism.
- Trial name
- NCT03393728
- Testing
- Propanolol
- Volunteers
- 10 people
- Sponsor
- Yaounde Central Hospital
Pancreatic Ductal Adenocarcinoma, Stage I Pancreatic Cancer AJCC v8
Monitoring Heart Rate Variability for the Early Detection of Pancreatic Cancer
This study examines heart rate monitoring variability for the early detection of pancreatic cancer. Pancreatic cancer is a very difficult disease to detect early.
- Conditions
- Pancreatic Ductal Adenocarcinoma, Stage I Pancreatic Cancer AJCC v8, Stage IA Pancreatic Cancer AJCC v8, Stage IB Pancreatic Cancer AJCC v8
- Trial name
- NCT04400903
- Testing
- Activity Monitor, Quality-of-Life Assessment, Questionnaire Administration
- Where
- 3 sites in United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- OHSU Knight Cancer Institute
Heart Rate Variability, Biomarker of Stress, Stress and Anxiety
Virtual vs. Traditional CPR Training: Effects on Stress
This medical education study investigates stress levels among undergraduate medical students during basic life support (BLS) training.
- Trial name
- NCT07147322
- Testing
- Medical education, basic life support training
- Where
- Finland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Oulu University Hospital
Hypotension, Pleth Variability Index
Pleth Variability Index and Hypotension
Correct assessment of a patient's volume status is the most important goal for an anesthetist. However, most of the variables used for fluid response evaluation are invasive and technically challenging.Pulse oximeter is a…
- Trial name
- NCT02984956
- Testing
- pleth variability index
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Erzincan University
Autonomic Nervous System Diseases
Aerobic Physical Training and Heart Rate Variability in Hypertersion
This study compared the changes in the cardiovascular, hemodynamic and metabolic variables of hypertensive patients who received aerobic physical training with intensity determined by the protocol of double non-exhaustive efforts…
- Trial name
- NCT03064256
- Testing
- Physical training program
- Volunteers
- 63 people
- Sponsor
- University of Campinas, Brazil
Heart Rate Variability
Heart Rate Variability in Extracorporeal Membrane Oxygenation (ECMO) Patients
National Taiwan University Hospital is the leading center for care of patients with extracorporeal membrane oxygenation (ECMO). The predictable factors associated with outcomes are still lacking in patients with the ECMO support.
- Trial name
- NCT01247727
- Where
- Taiwan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Mechanically Ventilated Patients, Extubation
Weaning And Variability Evaluation
Knowing when to liberate patients from mechanical ventilation (i.e. removal of breathing or endotracheal tube or extubation) is critically important, as both prolonged ventilation and failed extubation are both associated with…
- Trial name
- WAVE (NCT01237886)
- Where
- 14 sites in United States, Canada
- Volunteers
- 660 people
- Sponsor
- Ottawa Hospital Research Institute
Chronic Stable Angina, PTCA
Myocardial Damage and Music Study
MYDA-MUSIC study is a randomized, double blind (operator and analyst) study performed in San Filippo Neri Hospital, Roma, Italy and in Di Venere Hospital, Bari, Italy. The planned study duration is 12 months.
- Trial name
- MYDA-MUSIC (NCT03507361)
- Testing
- HRV-BASED MUSIC
- Where
- Italy
- Volunteers
- 443 people
- Sponsor
- San Filippo Neri General Hospital
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