Clinical trials: Variability
Diabetes Related Complications
QT Interval Abnormalities in Sulfonylurea Treated Type 2 Diabetes: Relationship to Treatment Induced Hypoglycaemia
Hypoglycaemia is the most common acute complication of diabetes and can limit therapeutic efforts to improve glycaemic control. It is a potential side effect of drugs used to treat diabetes, particularly with the use of…
- Trial name
- NCT02298803
- Testing
- Holter and Glucose monitoring
- Volunteers
- 30 people
- Sponsor
- Royal Prince Alfred Hospital, Sydney, Australia
Congestive Heart Failure, Diabetes Mellitus
Glycemic Control and Variability for Congestive Heart Failure Exacerbation
High glucose as well as fluctuations (rapid swings) in blood glucose can contribute to severe hospital complications and even death.
- Trial name
- NCT00812487
- Testing
- Intravenous insulin, Subcutaneous insulin
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Kathleen Dungan
Cardiac Arrest, Fear
The Care After Life-threatening Medical Events Study
This study tests the feasibility of a home-based heart rate variability biofeedback (HRVB) intervention in survivors of cardiac arrest (CA).
- Trial name
- CALME (NCT04589559)
- Testing
- Heart Rate Variability Biofeedback Training
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Columbia University
Multiple Sclerosis
Cognitive Markers in Prodromal MS
The focus of this work is the evaluation of a measure of cognitive functioning- intra-individual variability (IIV) - derived from a computer-based continuous reaction time (RT) task (Cogstate) as an early marker of prodromal MS.
- Trial name
- NCT05543915
- Testing
- Active tDCS
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- NYU Langone Health
Spinal Cord Injuries, Slow Breathing
Slow Yogic-Derived Breathing and Respiration and Cardiovascular Variability in Spinal Cord Injury Patients
This research will aid in understanding of slow-breathing and its effect on heart rate and blood pressure in people with a spinal cord injury (SCI).
- Trial name
- SCOGA (NCT05480618)
- Testing
- Slow Breathing
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- Spaulding Rehabilitation Hospital
Type 1 Diabetes Mellitus
A Cognitive Behavioral Therapy (CBT) Intervention to Reduce Fear of Hypoglycemia in Type 1 Diabetes
All persons with type 1 diabetes are at risk for developing hypoglycemia (low blood sugar). This is a life-threatening condition that leads to profound fear of hypoglycemia and reduced quality of life.
- Trial name
- CBT (NCT03549104)
- Testing
- Fear Reduction Intervention, Attention Control
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- University of Illinois Chicago
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
Prostate Cancer
Vitamin D in Treating Patients With Prostate Cancer
RATIONALE: Vitamin D may be effective in treating patients with prostate cancer. PURPOSE: This randomized phase II trial is studying how well 4 different doses of vitamin D works in treating patients with prostate cancer.
- Trial name
- NCT00524680
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 148 people
- Sponsor
- Roswell Park Cancer Institute
Menopause, Irritable Mood
Estrogen Variability and Irritability During the Menopause Transition
Women in the menopause transition (perimenopause) experience substantial day-to-day variability in estradiol and have a 2-4-fold increase in major depression risk.
- Trial name
- NCT05388656
- Testing
- Estradiol Patch, 0.1 mg/24 Hours Weekly Transdermal Film, Extended Release, Progesterone 200 mg
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Type 1 Diabetes Mellitus
Insulin Sensitivity, Impaired Counterregulation, and Glucose Variability
This protocol will investigate physiological parameters including insulin sensitivity and counterregulatory function using a mixed meal test and induced hypoglycemia in subjects with type I diabetes.
- Trial name
- BPK005 (NCT01439672)
- Testing
- Mixed meal and insulin challenge
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University of Virginia
Substance Use Disorders
Heart Rate Variability Biofeedback for Substance Use Disorder: A Randomized Clinical Trial
Heart rate variability biofeedback (HRVB) is an biobehavioral intervention involving rhythmic breathing at resonance frequency that stimulates cardiovascular regulatory systems to help individuals better regulate affect and…
- Trial name
- NCT05454657
- Testing
- Heart rate variability biofeedback + treatment as usual, Treatment as usual only
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Massachusetts General Hospital
PreDiabetes, Prehypertension
Effect of Dapagliflozin on Blood Pressure Variability in Prediabetes and Prehypertension
Prediabetes is defined as an intermediate metabolic state that leads to the development of type 2 diabetes mellitus (DM2) and the prehypertension is a category assigned to identify patients who are at risk of developing…
- Trial name
- NCT03006471
- Testing
- Dapagliflozin
- Where
- Mexico
- Volunteers
- 30 people
- Sponsor
- University of Guadalajara
Academic Performance, Anxiety
Mindful Minds: Mindfulness-Based Neurofeedback for Underrepresented College Students
The study examines the efficacy of a mindfulness-based neurofeedback protocol designed to improve academic performance and reduce performance anxiety in racial and ethnic minority college students.
- Trial name
- NCT06784934
- Testing
- NeuroSky Mindfulness-Based Neurofeedback
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Florida International University
Chronic Low Back Pain
Transcranial Alternating Current Stimulation in Back Pain- Pilot Sudy
Chronic pain is a severe disabling problem within society, affecting 25-30% of the United States population.. Transcranial alternating current stimulation (tACS) has the potential to provide a treatment option that is safe…
- Trial name
- BPS (NCT03243084)
- Testing
- XCSITE100 Stimulator tACS
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of North Carolina, Chapel Hill
Mitral Regurgitation
Pleth Variability Index (PVI) as a Measure of Volume Status During Transcatheter Mitral Valve Repair
Transcatheter mitral valve repair in the form of MitraClip® is a safe and effective alternative to surgical mitral valve repair/replacement in patients with high operative morbidity and mortality risk.
- Trial name
- NCT03993938
- Testing
- PVI measurement
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Henry Ford Health System
Speech
Behavioral and Neural Responses to External Alterations of Speech Variability
The purpose of this research study is to understand how the brain processes and controls speech in healthy people. The investigators are doing this research because it will help identify the mechanisms that allow people to…
- Trial name
- NCT05286658
- Testing
- MEG/EEG, MRI, Speaking Tasks
- Where
- 2 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Diabetes Mellitus, Non-Insulin-Dependent, Hypertensive Disease
To Evaluate the Effect of Liraglutide on Ambulatory Blood Pressure-A Pilot Study
The investigators are conducting this research to study the effect of Liraglutide on blood pressure. Several studies have shown increased cardiovascular complications and deaths in diabetics with hypertension.
- Trial name
- NCT02299388
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Tulane University School of Medicine
Depression, Major Depressive Disorder
Single Session of tACS in a Depressive Episode
Purpose: Investigating the effects of non-invasive transcranial alternating current stimulation (tACS) on healthy participants and participants with mood disorders.
- Conditions
- Depression, Major Depressive Disorder, Premenstrual Dysphoric Disorder, Depressive Episode
- Trial name
- SSDE (NCT03449979)
- Testing
- XCSITE100 Stimulator tACS
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Stroke, Caregiver Burden
Mindfulness After Stroke
The purpose of this study is to test the relevance, satisfaction and ease-of-use of an online mindfulness intervention among stroke survivors and their caregivers.
- Trial name
- NCT04553679
- Testing
- Mindfulness online intervention
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- University of Southern California
Type 1 Diabetes
New Strategies for Postprandial Glycemic Control Using Insulin Pump Therapy
Achieving near-normoglycemia has been established as the main objective for most patients with type 1 diabetes (T1DM). However, insulin dosing is an empirical process and its success is highly dependent on the patients' and…
- Trial name
- NCT01550809
- Testing
- iBolus, tBolus (traditional bolus)
- Where
- Spain
- Volunteers
- 12 people
- Sponsor
- Fundación para la Investigación del Hospital Clínico de Valencia