Clinical trials: Variability
Healthy, Wheezing, Non Wheezing Acute Respiratory Episode
Measurement of Expiratory Flow Variability for the Detection of Bronchospasm in Infants Using the Ventica® Device by Revenio
Wheezing in infants and children less than 3 years of age children is a frequent feature that might be difficult to diagnose when only the caregivers reporting is available.
- Trial name
- VENTICA (NCT04702620)
- Testing
- Ventica® device from Revenio
- Where
- France
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Coronary Heart Disease, Percutaneous Coronary Intervention
Mindfulness-based Stress Reduction Combined With Aerobic Training in Cardiac Rehabilitation After Percutaneous Coronary Intervention: A Dual Impact on Kinesiophobia and Heart Rate Variability
To evaluate the effectiveness of mindfulness-based stress reduction (MBSR) combined with aerobic training on treatment adherence, kinesiophobia, heart rate variability (HRV), exercise tolerance, and psychological stress response…
- Conditions
- Coronary Heart Disease, Percutaneous Coronary Intervention, Mindfulness-based Stress Reduction, Aerobic Training
- Trial name
- NCT07544459
- Testing
- observation group
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Linyi People's Hospital
Cardiovascular Health During Prolonged Sitting
Effect of Chocolate Consumption Prior to Prolonged Sitting on Cardiovascular Health in Young Women
This randomized controlled crossover trial investigates the acute effects of consuming dark, milk, and white chocolate before prolonged sitting on cardiovascular health in healthy young women .
- Trial name
- CHOC-SIT (NCT07556627)
- Testing
- dark chocolate, Milk Chocolate, White Chocolate
- Where
- Saudi Arabia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- King Saud University
Healthy
Influence of an Inspiratory Muscle Fatigue Protocol on Older Adults on Respiratory Muscle Strength and Heart Rate Variability
Respiratory muscle training represents an effective method increasingly utilized in both sports and healthcare domains, employing various devices, among which threshold devices are prominent.
- Trial name
- NCT06269042
- Testing
- Inspiratory muscle training
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Sierra Varona SL
Healthy
Inter- and Intra-individual Variation in Acute Responses to Two Different Warm-up Types.
The goal is to assess inter- and intraindividual variation in response to different warm-up protocols in a randomized, cross-over study with U16 and U17 Portuguese soccer players.
- Trial name
- NCT04738617
- Testing
- Inter and intra-individual variation in acute responses to two different warm-up types
- Where
- Portugal
- Volunteers
- healthy volunteers welcome
- Sponsor
- Universidade do Porto
Mechanical Ventilation, Autonomic Nervous System Diseases
Variability Analysis as a Predictor of Liberation From Mechanical Ventilation
The purpose of this study is to evaluate if the variability of biological signals, such as heart rate and temperature, can predict weaning from mechanical ventilation in patients with failure to wean.
- Trial name
- NCT01140750
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- The Cleveland Clinic
Spinal Stenosis
The Effect of Dexmedetomidine on Neuroendocrine Stress Hormone Release and Heart Rate Variability in Patients Undergoing Major Spinal Surgery
Surgical stress induces stress hormone release and sympathetic hyperactivation. Dexmedetomidine has sympatholytic effect and attenuates stress responses.
- Trial name
- NCT02902380
- Testing
- dexmedetomidine group, control group
- Where
- South Korea
- Volunteers
- 52 people
- Sponsor
- Yonsei University
Surgery
Validation of Noninvasive Hemoglobin, Comparison of PVI to Standard Methods, and Validation of Clinical Efficacy of ORI
The study goal is to establish the correlation of hemoglobin values determined by the noninvasive pulse oximetry-determined hemoglobin (SpHb) system with hemoglobin as measured by other validated devices.
- Trial name
- NCT02841397
- Testing
- Masimo Pulse CO-Oximeter
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Masimo Corporation
Hepatocellular Carcinoma
Characterization of Baseline Biomarker Variability in Participants With Hepatocellular Carcinoma (MK-0000-215)
The purpose of this study is to characterize the baseline variability of a panel of tissue (tumor and adjacent) and blood-based biomarkers obtained from participants with hepatocellular carcinoma (HCC).
- Trial name
- NCT01521780
- Testing
- MRI, Pathology, Blood Samples
- Volunteers
- 12 people
- Sponsor
- Merck Sharp & Dohme LLC
Chronic Kidney Diseases
Serum Ferritin In CKD Patients Serum Ferritin
Variability of serum ferritin in CKD patients and how these variables may affect the treatment decisions with iron supplements
- Trial name
- Ferritin (NCT05947552)
- Testing
- Serum ferritin
- Where
- Egypt
- Volunteers
- 55 people
- Sponsor
- Assiut University
Subarachnoid Hemorrhage, Intracranial Hemorrhage
Enteral Nutrition and Glycemic Variability Neurological Intensive Care Unit Study
Primary Objective: To determine the effects of a diabetes specific enteral formula compared to a standard formula supplemented with protein (isocaloric and isonitrogenous) on the mean blood glucose and glycemic variability in a…
- Conditions
- Subarachnoid Hemorrhage, Intracranial Hemorrhage, Ischemic Strokes, Subdural Hematoma
- Trial name
- ANUS1014 (NCT01463878)
- Testing
- Glycerna, Jevity - Control Diet
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Eastern Virginia Medical School
Schizophrenia, Bipolar
Heart Rate Changes in Schizophrenic and Bipolar Patients Under the Medication of Aripiprazole and Quetiapine
The goal of this research is investigating the heart rate changes in schizophrenic and bipolar patients under the medication of aripiprazole and quetiapine.
- Trial name
- HeartAriQue (NCT01047215)
- Testing
- Aripiprazole; Quetiapine
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Taichung Veterans General Hospital
Chronic Endometritis
Hysteroscopy for Chronic Endometritis: Diagnostic Performance and Observer Variability
This study investigates the role of hysteroscopy in diagnosing chronic endometritis (CE), a condition linked to female infertility but difficult to diagnose due to nonspecific symptoms.
- Trial name
- NCT06890754
- Testing
- Diagnostic hysteroscopy
- Where
- Tunisia
- Volunteers
- 70 people
- Sponsor
- Tunis University
Analgesia, Functional Endoscopic Sinus Surgery
ANI-guided Intraoperative Analgesia in Low-pressure Anesthesia
During functional endoscopic sinus surgery(FESS), low-pressure anesthesia is often applied, aiming to decreased operative blood loss, and anesthetics, narcotics and antihypertensive agents are given to achieve desirable low blood…
- Conditions
- Analgesia, Functional Endoscopic Sinus Surgery, Heart Rate Variability, Opioid Consumption
- Trial name
- NCT04319913
- Testing
- analgesia nociception index
- Where
- Taiwan
- Volunteers
- 120 people
- Sponsor
- Mackay Memorial Hospital
Neurodevelopmental Outcomes, ADHD - Attention Deficit Disorder With Hyperactivity
Where Wild Things Grow: Nature- and Activity-based Group Interventions for Neurodivergent Children and Youth
The goal of this action research project is to develop and implement nature- and activity-based group interventions across health care, school and leisure settings in Southern Norway.
- Conditions
- Neurodevelopmental Outcomes, ADHD - Attention Deficit Disorder With Hyperactivity, Autism, Tourette Syndrome
- Trial name
- NCT07203469
- Testing
- Universal approach, Selective approach, Outdoor therapy
- Where
- 2 sites in Norway
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Sorlandet Hospital HF
Parkinson's Disease
Noninterventional Study Evaluating Parkinson's Disease Diary Use
This study aims to evaluate the impact of the frequency of assessments on the variability over time, reliability, and compliance for the Parkinson's disease (PD) diary in patients with PD in whom medications do not provide…
- Trial name
- NCT05363046
- Where
- 34 sites in United States, Canada and 3 more
- Volunteers
- 194 people
- Sponsor
- BlueRock Therapeutics
Orthostatic Hypotension
Water and the Gastropressor Response - Diurnal Variability
We will test the null hypothesis that there is no diurnal (morning to afternoon)variability in the blood pressure response to the ingestion of water 16 oz.
- Trial name
- NCT00581373
- Testing
- water 16 fl oz
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Satish R. Raj
Type 1 Diabetes, Periodontitis
Type I Diabetes and Non-surgical Periodontal Treatment
Current evidence suggests a bidirectional association between periodontitis and diabetes. Periodontal therapy improves short term HbA1c levels and is safe to perform. Most studies are focused on type 2 Diabetes.
- Conditions
- Type 1 Diabetes, Periodontitis, Periodontal Diseases, Diabetes
- Trial name
- NCT05569525
- Testing
- Non-surgical periodontal therapy
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- University of Florence
Cognitive Change, Atrophy Brain
Physiologic Volume and Atrophy of Brain and Spinal Cord Measured by Magnetic Resonance Imaging
Spinal cord (SC) involvement is prevalent in multiple sclerosis (MS) and contributes importantly to disease progression. To be able reliably evaluate spinal cord volume and its changes in MS patients we need to understand…
- Conditions
- Cognitive Change, Atrophy Brain, Atrophy; Spinal Cord, Multiple Sclerosis
- Trial name
- NCT03706118
- Testing
- Magnetic resonance imaging
- Where
- Czechia
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Dana Horakova
Exercise Addiction, Control Condition
Effects of Moderate Exercise And Interval Exercise On Sleep Quality
This study aimed to explore the effects of a single bout of moderate- aerobic continuous exercise (MACE) and high-intensity intermittent exercise (HIIE) on sleep during continuous night shifts in medical shift workers with mild…
- Trial name
- EX&sleep (NCT06638359)
- Testing
- moderate exercise, interval exercise
- Where
- Taiwan
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- National Taiwan Sport University
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