Clinical trials: Variability
Tobacco Use Disorder
Assessing the Variability Over Time of Tobacco Carcinogen Biomarkers in Smokers - 2
Lung cancer is the leading cause of cancer death in the United States. Currently it remains impossible to predict which smokers will get cancer. Each puff of a cigarette delivers a mixture of over 60 known carcinogens.
- Trial name
- NCT00158145
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Chronic Fatigue Syndrome
High-tech Acupuncture for Treatment of Chronic Fatigue Syndrome
1. To study the relationship between Chronic Fatigue Syndrome (CFS) and heart rate (HR) and its variability (HRV). 2. To compare the curative effects and the HR/HRV indices between applicationa of different acupoints as well as…
- Trial name
- NCT02924831
- Testing
- Acupuncture, moxibustion
- Where
- China
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Hubei Provincial Collaborative Innovation Center of Preventive Treatment by Acupuncture and Moxibust
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 7 of 7)
NOTE: This is the seventh of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919137
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Bern
Ankle Sprains, Motor Coordination or Function; Developmental Disorder
Project Hypnos: The Impact of a Brief Hypnosis Intervention on Single-limb Dynamic Balance in People With Chronic Ankle Instability
This study will determine the relationship of one's self-reported awareness of their body and their ankle motor control for people with chronic ankle instability.
- Trial name
- NCT06390072
- Testing
- Self-Hypnosis, Ankle Education
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Ohio University
Cardiovascular Function, Genotoxicity
Health Effects of Occupational Exposure to Combustion Particles - a Study on Volunteers Performing as Train Conductors
Ambient air pollution is a complex mixture of gaseous pollutants and particulate matter (PM). PM has a recognized important role in human health.
- Trial name
- BioTrack (NCT03104387)
- Testing
- Electric train, Diesel train
- Where
- Denmark
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Heart Rate Variability, Athletic Performance
The Relationship Between Heart Rate Variation and Athletic Performance in Basketball Players
This study was planned to explain the relationship between heart rate variability and their sportive performance in basketball players.
- Trial name
- NCT04779034
- Testing
- Measurement of heart rate variability
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ankara Yildirim Beyazıt University
Pregnancy Complications, Cesarean Section
Outcomes of Cesarean Section vs Vaginal Delivery: Instrumental Variable Adjusted Analysis
This study will examine the effect of cesarean section on perinatal mortality, using data provided by the Canadian Institute for Health Information.
- Trial name
- NCT02866058
- Testing
- Cesarean Section
- Volunteers
- 836,755 people, healthy volunteers welcome
- Sponsor
- Memorial University of Newfoundland
Essential Hypertension, White Coat Hypertension
Heart Rate Variability in White Coat Hypertension and Essential Hypertension
The aim of the study is to investigate heart rate variability in patients with white coat hypertension and patients with essential hypertension.
- Conditions
- Essential Hypertension, White Coat Hypertension, Healthy
- Trial name
- NCT00286884
- Testing
- Monitoring of heart rate variability
- Where
- Denmark
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Regional Hospital Holstebro
Pregnant Woman With Single Pregnancy, Pregnant Woman With no Assisted Reproduction
Model of Variability of the Lipid Profile in Pregnant Women and Its Relationship to lactogénesis
The project that is presented to the ethical committee, from the initial program called BECOME (Behavior of biomarkers (lipid profile and prolactin) during pregnancy and lactation through a biological multi-paradigm model), which…
- Trial name
- PLELACT (NCT03496558)
- Testing
- Variability of the lipid profile in pregnant women
- Where
- Spain
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Universidad de Granada
Diabetes Mellitus, Type 1
Assess the Impact of Insulclock on Glycemic Variability and Treatment Compliance in Uncontrolled DM1 Patients
Insulclock® is a small electronic device developed to facilitate the optimal administration of insulin. This device works as an add-on module of commercially available insulin pens and monitors the date, time and dose of…
- Trial name
- Segoclock2 (NCT04847778)
- Testing
- Use of Insulclock system, both Insulclock device and Insulclock 360 app., Use of Insulclock system, both Insulclock device and Insulclock app on masked mode.
- Where
- 4 sites in Spain
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hospital General de Segovia
Exercise, Healthy Participants
Inter- and Intraindividual Variability of the Acute Glucose Response to Exercise in Healthy Adults and People Living With Type 1 Diabetes: A Cross-over Replicate Trial
The goal of this clinical trial is to investigate if blood glucose responses are similar between and within individuals in response to standardized exercise in adults with and without Type 1 diabetes.
- Conditions
- Exercise, Healthy Participants, Glucose Variability, Type 1 Diabetes (T1D)
- Trial name
- NCT07209930
- Testing
- Exercise, Rest
- Where
- Ireland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University College Dublin
Hyperglycemia, Insulin Sensitivity
Investigating Inter-individual Variability in Glycemic and Insulin Responses
This study aims to test the following hypothesis in healthy lean young men: There are differences in glycemic response (GR) and insulin response (IR) between Chinese, Malay and Asian-Indian There are differences in GI values to…
- Trial name
- NCT01804738
- Testing
- Jasmine rice, Parboiled basmati rice
- Where
- Singapore
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Institute for Human Development and Potential (IHDP), Singapore
Heart Rate Variability
The Heart of the Community Study
Community service providers (CSPs), such as promotores and other community health staff, play an essential role in preserving health and treating disease in underserved Hispanic/Latinx (HL) communities with disproportionately…
- Trial name
- NCT05560893
- Testing
- Relational Savoring Intervention
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Cholesterol Variability, Trained Immunity
LDL-c Level Variability and Trained Immunity
Statin treatment significantly reduces the incidence of cardiovascular events. However, cholesterol variability is associated with the risk of adverse events such as mortality, myocardial infarction, and stroke.
- Trial name
- NCT05790499
- Testing
- Atorvastatin
- Where
- China
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Healthy
Gait Variability in Healthy Youngs
Three hundred healthy individuals will be participants of the study. Participants will evaluate with the following assessment tools: Demographic datas; age, gender, height, body mass, will be recorded.
- Trial name
- NCT02988284
- Testing
- No intervention
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Progressive Muscle Relaxation
Acute Effects of Progressive Muscle Relaxation on Brain Waves
In modern environments, stress is present regardless of age or social role. Stress does not always have negative effects; in fact, it is a necessary response for survival, known as the stress response.
- Trial name
- NCT07089537
- Testing
- progressive muscle relaxaiton, Rest
- Where
- Taiwan
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University
Metabolic Disease, Diabetes
Dietary Protein Sources and Glycemic Variability
This goal of trial is to evaluate the effects of plant-based vs. animal-based diets on glycemic variability in overweight or obese adults through a 3-week dietary intervention.
- Conditions
- Metabolic Disease, Diabetes, Overweight, Obesity
- Trial name
- ProG (NCT06525441)
- Testing
- Plant-based Diet, Animal-based Diet
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Guangdong Provincial People's Hospital
Chronic Low Back Pain
Spinal Kinematics Variability
This study will test the within and between day variability of spinal kinematics and trunk muscle activity in healthy subjects and chronic low back pain patients during various daily-life activities.
- Trial name
- NCT03507296
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Haute Ecole de Santé Vaud
Pressor Response, Baroreflex Sensitivity
High Resolution Phenotyping in Healthy Humans
Baroreflex sensitivity is integral to blood pressure regulation, and varies among healthy, normotensive individuals. A reduced compensatory ability of baroreflex buffering in patients with carotid denervation results in blood…
- Conditions
- Pressor Response, Baroreflex Sensitivity, Blood Pressure Variability, Heart Rate Variability
- Trial name
- NCT00943774
- Testing
- Physiological maneuvers
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Fibromyalgia
Effect of Qigong on Sleep Quality in Fibromyalgia
This study aims to determine any significant efficacy of qigong exercise on sleep quality and heart rate variability in patients with fibromyalgia.
- Trial name
- NCT06347042
- Testing
- qigong exercise + routine medical treatment +Anti-inflammatory diet, routine medical treatment +Anti-inflammatory diet only
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University