Clinical trials: Variability
Recovery of Function (G11.427.698.620), Athletic Performance
Effects of Magnesium L-Threonate on Sleep, Recovery, and Athletic Performance in Collegiate Athletes
This study is testing whether a special form of magnesium called magnesium L-threonate can help improve sleep quality, recovery, and physical performance in college athletes.
- Conditions
- Recovery of Function (G11.427.698.620), Athletic Performance, Heart Rate Variability (HRV)
- Trial name
- MgT-Athletes (NCT07015047)
- Testing
- Magnesium L-Threonate
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
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
Ischemic Preconditioning, Autonomic Nervous System (ANS) Functioning and Mood State
The Impact of Ischemic Preconditioning on Exercise Performance and Physiological Function
Ischemic Preconditioning has been confirmed to prevent long-term ischemic damage to tissues, among which the improvement of autonomic nerve system function may be one of its mechanisms of action.
- Trial name
- NCT07146399
- Testing
- Ischemic Preconditioning
- Where
- China
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Ziyue Ou
Obesity
Factors Associated With Obesity in Adult Women: Respiratory Exchange Ratio, Heart Rate Variation and Body Image
The prevalence of obesity all over the world has increased year by year, and how to effectively prevent and treat obesity has become an important health care issue.
- Trial name
- NCT04029532
- Testing
- Respiratory exchange ratio, Heart rate variability, Body composition
- Where
- Taiwan
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Sleep, Sleep Restriction
Performance, Mood, and Brain and Metabolic Functions During Different Sleep Schedules
This proposed project will investigate whether a variable or a stable sleep schedule will be more effective in minimizing neurobehavioural and metabolic deficits when total sleep opportunity across two weeks is below the…
- Trial name
- STAVAR (NCT04731662)
- Testing
- Short sleep, Variable short sleep
- Where
- Singapore
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Colonoscopy
Implementation of Evidence Based Practices for Colonoscopy: The Strategies to Improve Colonoscopy Study
The purpose of this study is to compare the effect of physician education about evidence based practices for colonoscopy alone, versus physician education plus a multi-component staff implementation strategy to improve adequacy…
- Trial name
- STIC (NCT02723370)
- Testing
- Staff multi-component implementation strategy
- Volunteers
- 46,184 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Healthy
Heart Rate Variability Augmentation With RR2 Neuromodulation Device
Brief Summary: A randomized double-blinded, sham-controlled, crossover study Condition or Disease: impaired autonomic balance measured by heart rate variability
- Trial name
- NCT03771794
- Testing
- ReguRate neurostimulation
- Where
- 2 sites in Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Obesity
Evaluation of the Effect of Moderate-intensity Physical Activity on Glycemic Variability
Obesity is a major public health problem on the world and Mexico too, in addition the obesity develops chronic non-communicable diseases (NCD) such as type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD).
- Trial name
- NCT02620670
- Testing
- Physical activity of moderate intensity for 3 days
- Where
- Mexico
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Guadalajara
Healthy, Blood Pressure
The Effectiveness of the Wim Hof Method
The Wim Hof Method is a multi-disciplinary approach to physical and mental well-being combining cold exposure, breathing exercises, and meditation.
- Conditions
- Healthy, Blood Pressure, Cold Exposure, Stress
- Trial name
- NCT05894031
- Testing
- Wim Hof Method
- Where
- Switzerland
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Bern
Dietary Habits, Lead Poisoning
Dietry Pattern and Lead Levels in Pregnancy
During pregnancy lead crosses the placenta freely and can have adverse effects on the fetus, with the potential for life-long impact on the child.
- Conditions
- Dietary Habits, Lead Poisoning, Pregnancy Related
- Trial name
- NCT03408275
- Testing
- None - observational
- Volunteers
- 2,167 people, healthy volunteers welcome
- Sponsor
- University of Bristol
Intraoperative Hypotension
Phenylephrine and Pulse Pressure Variability
The purpose of this research study is to determine how vasopressors affect a measure of how intravenous fluid is administered in people undergoing surgery who have low blood pressure called Pulse Pressure Variability (PPV).
- Trial name
- NCT05011357
- Testing
- Phenylephrine, Saline Control
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 2 of 7)
NOTE: This is the second of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02882529
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Periodontitis, Cardiac Electrophysiology
Effects of Periodontitis on Heart Rate Variability
Periodontitis is a chronic inflammatory disease associated with systemic inflammatory burden and possible alterations in autonomic nervous system regulation.
- Trial name
- NCT07735312
- Testing
- Non-surgical periodontal therapy
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Overweight and Obesity
Diet-Induced Variability in Appetite (DIVA)
The aim of this study is to test the hypothesis that dietary weight loss (WL) through alternate day fasting (ADF) will enhance appetite control, health markers and wellbeing following WL compared to standard daily calorie…
- Trial name
- DIVA (NCT03447600)
- Testing
- Alternate Day Fasting, Continuous dietary restriction
- Where
- United Kingdom
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of Leeds
Nervous System Diseases, Dehydration
Assessment of Heart Rate Variability, Performance and Dehydration in Muay Thai Athletes
Known as "Thai boxing," Muay Thai utilizes a combination of upper limb strikes (such as punches and elbow strikes) as well as lower limb strikes (such as kicks and knee strikes), and is thus referred to as the "art of eight…
- Trial name
- NCT06338501
- Testing
- Specifical Functional Training Exercises
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Centro Universitário Augusto Motta
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
Exercise, Cardiorespiratory Fitness
Addressing Individual Variability in Response 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
- NCT04304092
- Testing
- Exercise
- Volunteers
- healthy volunteers welcome
- Sponsor
- Dr. Robert Ross
Hypertension
L-citrulline Supplementation, Cold Exposure, & Post-Exercise Muscle Ischemia
Cardiovascular disease (CVD) continues to be the major cause of morbidity and mortality in western countries. It has been shown that CVD events are known to be higher in the winter than in the summer.
- Trial name
- NCT02104375
- Testing
- L-citrulline
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Florida State University
Postprandial Glucose, Glucose Levels
Ultra-processed Food-reducing Intervention and Continuous Glucose Monitoring
The goal of this trial is to investigate whether reduction in ultra-processed food intake through dietary counseling and education can improve postprandial glucose responses and glycemic variability compared with a usual diet in…
- Conditions
- Postprandial Glucose, Glucose Levels, Hyperglycemias
- Trial name
- ULTRA-CGM (NCT07175701)
- Testing
- 40-minute one-on-one dietary counseling and nutrition education aimed at reducing ultra-processed food consumption, Standard dietary counseling and nutrition education based on national guidelines
- Where
- South Korea
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Korea University
Cystic Fibrosis
Glycemic Monitoring in Cystic Fibrosis
Current guidelines on the diagnoses and management of cystic fibrosis (CF) related diabetes recommend treatment for diabetes based on diagnostic criteria derived from adults with type 2 diabetes.
- Trial name
- GEM (NCT02211235)
- Where
- United States
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver