Clinical trials: Mechanism
Velopharyngeal Insufficiency
Effect of Adenotonsillectomy on Velopharyngeal Valve Mechanism
1. To assess safety of tonsillectomy, adenoidectomy or adenotonsillectomy result toVelopharyngeal Valve Mechanism. 2. To predict and prevent post adenotonsillectomy velopharyngeal dysfunction.
- Trial name
- NCT05820529
- Testing
- adenotonsillectomy, adenoidectomy, tonsillectomy
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Assiut University
Autism Spectrum Disorder, Intellectual Disability
TMS for the Investigation of Brain Plasticity in Autism Spectrum Disorders
The main purpose is to study brain plasticity (the changes that occur in the brain through experience) in individuals with autism spectrum disorder (ASD).
- Trial name
- NCT02836405
- Testing
- Transcranial Magnetic Stimulation
- Where
- 2 sites in United States
- Volunteers
- 164 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Healthy
Pain Inhibitory Effects of Other Pain Induced by Mechanical Pressure at Different Intensities
The objective is to estimate the effects on pain thresholds of a painful mechanical stimulus on the upper trapezius at moderate intensity compared to mild intensity or non-painful.
- Trial name
- NCT05730166
- Testing
- Mechanical Conditioning stimulus
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Josue Fernandez Carnero
Scleroderma, Systemic, Fibrosis; Skin
Western Sweden Systemic Sclerosis Project
The main aim of the project is to identify key-factors involved in the development and progression of Systemic Sclerosis (SSc), a chronic invalidating rheumatic disease characterized by high mortality and insufficient treatment…
- Conditions
- Scleroderma, Systemic, Fibrosis; Skin, Fibrosis Lung, Interstitial Lung Disease Due to Systemic Disease
- Trial name
- WESST (NCT07345052)
- Testing
- No Intervention: Observational Cohort
- Where
- Sweden
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sahlgrenska University Hospital
Healthy
To Study the Mechanisms of Acupuncture Through Functional Magnetic Resonance Imaging and Peripheral Neurosensory Testing
Acupuncture may affect nerve functions. This study assesses the effect of acupuncture on both the peripheral and the central nerve systems
- Trial name
- NCT00521547
- Testing
- Electroacupuncture
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Cough, Upper Respiratory Tract Infections
Effect of Over-the-counter NSAIDS on Cough Reflex Sensitivity in Patients with Upper Respiratory Tract Infections
The goal of this mechanism of disease study is to investigate the effect of flurbiprofen, a non-steroidal anti-inflammatory drug (NSAID), on the cough hypersensitivity associated with upper respiratory tract infections (URTI).
- Trial name
- NCT05955885
- Testing
- Flurbiprofen Oral Lozenge, Difflam, Flurbiprofen 8.75 MG
- Where
- Australia
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University of Melbourne
Social Anxiety Disorder, Social Anxiety
Assessing Mechanisms of Anxiety Reduction in Animal-assisted Interventions
Adolescence and young adulthood is a critical period for the development of social anxiety, which is often linked to other mental health challenges such as depression, mood disorders, and substance abuse.
- Conditions
- Social Anxiety Disorder, Social Anxiety, Social Anxiety Disorder of Childhood
- Trial name
- NCT03249116
- Testing
- animal-assisted intervention, active control
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Tufts University
Muscle; Injury, Quadriceps (Thigh), Tendon Strain
Mechanisms of Tissue Repair After Muscle Injury and Tendon Strain
The study is a 5-week human study including 24 18-35 year old healthy men. Each participant will have muscle injury and tendon strain induced in one leg using neuromuscular electrical stimulation in conjunction with forced…
- Trial name
- NCT05809947
- Testing
- Neuromuscular electrical stimulation
- Where
- Denmark
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Phenylketonuria, Behavior and Behavior Mechanisms
Evaluation of Behavior, Executive Function, Neurotransmitter Function and Genomic Expression Kuvan Nonresponders
This observational study seeks to establish evidence: 1. that physiologic changes, unrelated to effect on the Phenylalanine Hydroxylase (PAH) enzyme, occur in Phenylketonuria (PKU) patients who are treated with sapropterin…
- Conditions
- Phenylketonuria, Behavior and Behavior Mechanisms, PAH Gene Expression
- Trial name
- IST (NCT01274026)
- Testing
- sapropterin dihydrochloride
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Tulane University School of Medicine
Math Learning Disability, Child Development
Interventions in Mathematics and Cognitive Skills
The purpose of this study is to investigate neurocognitive mechanisms underlying response to intervention aimed at enhancing, and remediating weaknesses in, numerical skills in children, including those with mathematical learning…
- Conditions
- Math Learning Disability, Child Development, Developmental Disability, Learning Disabilities
- Trial name
- NCT05201534
- Testing
- Interventions in Mathematics and Cognitive Skills - Experimental, Interventions in Mathematics and Cognitive Skills - Active Comparator
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Stanford University
Depression
Mechanisms of Behavioral Activation (BA)
The investigators will be comparing brain (neural) activation of depressed adolescent patients before, during and after a course of Behavioral Activation (BA) therapy using functional magnetic resonance imaging (fMRI).
- Trial name
- NCT05548244
- Testing
- Behavioral Activation Therapy, Baseline assessment procedures
- Where
- 3 sites in United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Emory University
Psychosis, Schizophrenia
Neurobehavioral Mechanisms of Social Isolation and Loneliness in Serious Mental Illness
The proposed research will test the hypothesis that objective social isolation and loneliness are linked to neurobehavioral mechanisms involved in social perception and motivation in individuals with and without serious mental…
- Trial name
- NCT04940663
- Testing
- EMA
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Neurodevelopmental Disorders
Motor Development Assessment and Support for Children With Neurodevelopmental Disorders
On the one hand, it helps to understand the motor development of preschool children, so as to provide early intervention means for the prevention of motor retardation and promote the healthy development of preschool children, and…
- Trial name
- CAMD-NDD (NCT07323004)
- Testing
- Characteristic Exercise Intervention, Traditional Rehabilitation
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Aiyoudong Children and Youth Sports Health Research Institute
Behavior and Behavior Mechanisms
Translational Research to Inform Interventions for Challenging Behavior
This project is meant to identify relations between the reinforcement histories of 80 adults with intellectual and developmental disabilities (IDD) and the prevalence of extinction bursts.
- Trial name
- NCT04842500
- Testing
- Demand Informed Moderator Analysis
- Where
- 5 sites in United States
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Cigarette Smoking
Mechanisms of the Nicotine Metabolism Effect on Tobacco Dependence
The purpose of the study is to learn more about tobacco dependence and nicotine metabolism in African-Americans and whites, by studying to see if how fast a person metabolizes nicotine (how the body breaks down nicotine into…
- Trial name
- NMR (NCT01627392)
- Testing
- Smoking abstinence
- Where
- United States
- Volunteers
- 305 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
COVID, Coronavirus Infection
Mechanisms for Covid-19 Disease Complications
Covid-19 is associated with a wide range of symptoms and clinical trajectories, and early identification of patients at risk for developing severe disease is desirable.
- Trial name
- COVID MECH (NCT04314232)
- Where
- Norway
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital, Akershus
OSA
Pharyngeal Muscle Control Mechanisms of Atomoxetine-plus-oxybutynin in Obstructive Sleep Apnea
Current therapies available for obstructive sleep apnea (OSA) have varying degrees of efficacy due to the complex nature of the disorder.
- Trial name
- NCT05944965
- Testing
- Atomoxetine 80 mg plus Oxybutynin 5 mg, Atomoxetine 80 MG
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Neurological Injury, Motor Disorders
Transcutaneous Auricular Vagus Nerve Stimulation to Enhance Motor Learning
Vagus nerve stimulation (VNS) activates neural pathways leading to the release of chemicals that promote plasticity and learning.
- Conditions
- Neurological Injury, Motor Disorders, Paresis
- Trial name
- NCT05316519
- Testing
- Transcutaneous Vagus Nerve Stimulation
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- VA Pittsburgh Healthcare System
Stress, Behavior
Brain and Meditation (BAM) Study
This study is a randomized controlled trial to test the impact of an app-based meditation program on perceived stress and behavioral correlates of stress with known neurobiological correlates.
- Trial name
- NCT05215314
- Testing
- mHealth Meditation
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
H-reflex, Spinal Reflexes
H-Reflex Suppression by Bone Myoregulation Reflex During Mechanical Loading in Standing Humans
This study aims to investigate how standing posture and mechanical loading affect reflex responses in the lower limb. Specifically, it focuses on the H-reflex-a type of spinal cord reflex-and how it changes during quiet standing…
- Conditions
- H-reflex, Spinal Reflexes, Posture, Weight-Bearing
- Trial name
- BMR-HREF (NCT07043595)
- Testing
- Whole-Body Vibration (WBV)
- Where
- Turkey (Türkiye)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Istanbul Physical Medicine Rehabilitation Training and Research Hospital
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