Clinical trials: Variability
Breathing Rate
Coherence Breathing Before Cardiopulmonary Exercise Testing
This randomized crossover trial will examine the acute effects of pre-exercise coherence breathing on cardiopulmonary exercise responses in recreationally active adults.
- Trial name
- NCT07650279
- Testing
- Coherence Breathing, Spontaneous Breathing
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Human Performance Lab of Monmouth University
Hypertension, Tachycardia
Intravenous Beta-blockade for Improvement of Autonomic Activity
Chronic beta-adrenoceptor blockade is known to improve outcome of high risk patients whereas amelioration of autonomic activity was demonstrated to be a major cause of outcome improvement.
- Conditions
- Hypertension, Tachycardia, Heart Rate Variability
- Trial name
- NCT00700466
- Testing
- i.v. beta-blocker infusion (metoprolol)
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- University Hospital Schleswig-Holstein
Insomnia, Posttraumatic Stress Disorder
Blood Pressure, Heart Rate Variability & Sleep in Veterans With PTSD
Sleep disturbance and posttraumatic stress disorder (PTSD) are common conditions in returning Veterans, and both conditions are known to increase the risk of cardiovascular disease.
- Conditions
- Insomnia, Posttraumatic Stress Disorder, Hypertension, Cardiovascular Disease
- Trial name
- NCT01920451
- Testing
- Cognitive-Behavioral Therapy for Insomnia (CBTI)
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Durham VA Medical Center
Erythropoiesis Stimulating Agent Pharmacodynamics
ESAs, Reticulocyte Dynamic and Hemoglobin Variability
Background: In a simulation based on a pharmacokinetic model we demonstrated that increasing the erythropoiesis stimulating agents (ESAs) half-life or shortening their administration interval decreases hemoglobin variability.
- Trial name
- NCT01666301
- Testing
- comparison between darbepoetin alfa and C.E.R.A. and different administration intervals
- Where
- Switzerland
- Volunteers
- 31 people
- Sponsor
- Ospedale Regionale di Locarno
Pulmonary Hypertension (PH), End Stage Kidney Disease (ESRD)
Euvolemia-Based Assessment of Pulmonary Hypertension in Stable Hemodialysis Patients
Pulmonary hypertension (PH) is a frequent and clinically significant complication in patients with end-stage kidney disease (ESKD) undergoing maintenance hemodialysis (HD).
- Conditions
- Pulmonary Hypertension (PH), End Stage Kidney Disease (ESRD), Hemodialysis Patients, Volume Overload
- Trial name
- EU-PHASE-HD (NCT07676786)
- Testing
- Observational Assessment
- Where
- 2 sites in Romania
- Volunteers
- 30 people
- Sponsor
- Stefan Lujinschi
Hyperglycemia, Cancer
Glucose Variability in Cancer Patients Receiving Dexamethasone
Dexamethasone is a steroid commonly used for the prevention of chemotherapy-induced nausea and vomiting (CINV). While effective, high dose dexamethasone is associated with numerous side effects, even when used for a short…
- Trial name
- NCT02372539
- Testing
- Diabetes, Control Group
- Where
- United States
- Sponsor
- University of Colorado, Denver
Left Ventricular Hypertrophy
Postnatal Steroids Effects on Cardiac Function in Extremely Preterm
Hypothesis/Study question In infants born at less than 29 weeks of estimated gestational age, what are the effects of dexamethasone use on cardiac structure/performance and lung water content? Study objectives To measure effects…
- Trial name
- SPEC (NCT04644094)
- Testing
- Echocardiography (ECHO) and lung ultrasound (LUS) studies before and after Dexamethasone administration
- Where
- Canada
- Volunteers
- 21 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Cigarette Smoking
The Association of Cigarette Smoking on Exercise Capacity and Skeletal Muscle Function in Taiwan Adult Smokers
Background and purpose: Cigarette smoking would post threats to physical health. Even though studies suggested that long-term cigarette smoking would lead to cardiovascular diseases, pulmonary diseases, or even cancer…
- Trial name
- NCT04688177
- Testing
- Body Composition, Heart rate variability, Grip Strength
- Where
- Taiwan
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Heart Failure
Exercise to Improve Sleep in Heart Failure
Of the more than 2 million Americans with heart failure (HF), up to 70% have disturbed sleep that worsens the dyspnea, fatigue, and reduced daytime function associated with HF.
- Trial name
- NCT00194701
- Testing
- Walking exercise
- Where
- United States
- Volunteers
- 152 people
- Sponsor
- University of Washington
Heart Failure, Hypertension
Necklace-Shaped Sensor for Non-Invasive Remote Monitoring of Vitals
This study is designed to validate the use of the CoVa Monitoring System in subjects with implanted devices.
- Trial name
- NCT02337790
- Where
- United States
- Volunteers
- 109 people
- Sponsor
- Baxter Healthcare Corporation
Older Adults (60 - 85 Years Old), Aging
Functional and Physiological Responses to Multicomponent Exercise in Older Adults
This study will examine functional and physiological responses to a 12-week multicomponent exercise program in community-dwelling older adults.
- Conditions
- Older Adults (60 - 85 Years Old), Aging, Functional Capacity, Heart Rate Variability (HRV)
- Trial name
- NCT07702227
- Testing
- Multicomponent Exercise Program
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Çanakkale Onsekiz Mart University
Chronic Obstructive Pulmonary Disease (COPD)
European Non-interventional Study in Chronic Obstructive Pulmonary Disease (COPD) Patients
This study is investigating how patients with severe stable state COPD perceive the variability of their symptoms throughout the day, the week and the year; the impact of these variations on their daily activities or sleep…
- Trial name
- NCT00722267
- Where
- 606 sites in Austria, Belgium and 15 more
- Volunteers
- 7,400 people
- Sponsor
- AstraZeneca
Healthy
The Effects of Manual Lymphatic Drainage on the Autonomic Nerve System
Forty healthy women who met the inclusion criteria were included in the study. In the single-blind randomized controlled study, the participants were divided into 3 groups manual lymphatic drainage(MLD), sham MLD, and control…
- Trial name
- NCT05809726
- Testing
- Manual lymph drainage
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Nausea, Gastroparesis
Cereset Research For Chronic Nausea
This study will explore the use of Cereset Research for symptoms associated with refractory chronic nausea in patients with gastroparesis (GP) in a randomized, clinical trial.
- Conditions
- Nausea, Gastroparesis, Stress, Anxiety
- Trial name
- NCT05229107
- Testing
- Cereset Research
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Adolescent Development, Stress
Neurophysiology, Estrogen, and Stress Exposure in the Emergence of Depression in Adolescent Girls
The prevalence of adolescent depression is steadily rising in the U.S., especially among adolescent girls. Currently 20% of adolescent girls experience major depression compared with 6% of boys (National Institute of Mental…
- Conditions
- Adolescent Development, Stress, Emotional Disturbances
- Trial name
- EVOLVE (NCT03450135)
- Testing
- Trier Social Stress Test, Emotional go/no-go task
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Post-Concussion Syndrome
Post-concussion Syndrome and Chiropractic
This proof-of-concept trial will explore the effects of manual chiropractic adjustments on nervous system function in individuals with post-concussion syndrome.
- Trial name
- PCS (NCT06151184)
- Testing
- Chiropractic adjustment
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Life University
Bipolar Disorder, Subsyndromal Depressive Phase
Heart Rate Variability of Patients With Bipolar Disorder in Subsyndromal Depressive Phase
The purposes of this study were: (1) to compare heart rate variability between bipolar patients in subsyndromal depressive phase and healthy controls (2) to evaluate the relation between the severity of subsyndromal depressive…
- Conditions
- Bipolar Disorder, Subsyndromal Depressive Phase, Heart Rate Variability
- Trial name
- NCT01455038
- Where
- South Korea
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Asan Medical Center
Diabetes Mellitus, Type 2, Rehabilitation
Cardiorespiratory Parameters and Glycated Hemoglobin of Patients With Type 2 Diabetes After a Rehabilitation Program
Cardiovascular autonomic dysfunction reflects the pathophysiology of Diabetes Mellitus in this patient group favors an increase in morbidity and mortality related to cardiovascular events, and for this reason has been one of the…
- Conditions
- Diabetes Mellitus, Type 2, Rehabilitation, Respiratory Therapy
- Trial name
- NCT03094767
- Testing
- Cardiovascular Rehabilitation, Initial and Final assessment
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- União Educacional do Norte
Labor, Epidural Analgesia
Pulse Pressure Variability With Position Before EPIdural Analgesia
Fetal heart rate abnormalities are common. Miller et al. have demonstrated that new onset fetal heart rate abnormalities after initial labor epidural dosing occur more frequently in women with a low admission pulse pressure than…
- Trial name
- PP-PERI (NCT03126136)
- Testing
- Nicom (TM)
- Where
- 4 sites in France
- Volunteers
- 1 people
- Sponsor
- Hopital Foch
Type1 Diabetes Mellitus
Efficacy and Safety of Highland Barley Diet on Glucose Variability in Patients With Type 1 Diabetes Mellitus
Approximately 80 patients will be enrolled in the study from China and randomized in a 1:1 ratio to one of the 2 treatment arms:diabetes diet+highland barley diet; or diabetes diet. Study treatment will continue for 12 weeks.
- Trial name
- NCT03766334
- Testing
- Highland Barley Diet
- Where
- China
- Sponsor
- Huazhong University of Science and Technology
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