Clinical trials: Hyperventilation
Pulmonary Arterial Hypertension
Prevalence of the Hyperventilation Syndrome in Pulmonary Arterial Hypertension
Dyspnea is a major symptom in pulmonary arterial hypertension and people with the same haemodynamic have generally different degree of dyspnea in pulmonary arterial hypertension.
- Trial name
- HYPER2 (NCT03810443)
- Testing
- Hyperventilation test
- Where
- France
- Volunteers
- 50 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Depression
Hyperventilation Combined With Etomidate or Ketamine Anesthesia in ECT Treatment of Major Depression
This is a randomized controlled study assessing the effect of pre-emptive hyperventilation on ECT seizure duration, cerebral desaturation and remission of depressive symptoms in patients with Major Depressive Disorder.
- Trial name
- NCT02924090
- Testing
- Etomidate, Ketamine, Hyperventilation
- Where
- Canada
- Volunteers
- 48 people
- Sponsor
- University of Manitoba
Respiration Disorder, Hyperventilation Syndrome
Dysfunctional Breathing: Characterisation and Assessment
Dysfunctional breathing (DB) is a respiratory condition characterised by an abnormal breathing pattern, among other complaints, that can occur either in the absence of other pathophysiology (primary DB), e.g.
- Conditions
- Respiration Disorder, Hyperventilation Syndrome, Breathlessness, Breath Shortness
- Trial name
- NCT03043469
- Testing
- Short-form survey instrument, Demographic data, Hospital Anxiety and Depression Scale
- Where
- United Kingdom
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Brunel University
Stroke, Hyperventilation Syndrome
Symptomatic Hyperventilation in Individuals Living With Stroke
This study will investigate the effects of hyperventilation syndrome on respiratory muscle strength, respiratory muscle endurance, pulmonary functions, and functional capacity in individuals living with stroke, and in this…
- Trial name
- NCT07840703
- Testing
- Respiratory Function, Respiratory Muscle Strength, and Functional Capacity Assessments
- Volunteers
- 92 people
- Sponsor
- Istinye University
Hyperventilation Syndrome
Turkish Version of Nijmegen Questionnaire
The study aims to provide Turkish version of Nijmegen Questionnaire for the evaluation of respiratory dysfunction in asthmatic subjects.
- Trial name
- NCT04254952
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people
- Sponsor
- Hacettepe University
Post COVID-19 Condition (PCC), Dysfunctional Breathing
Dysfunctional Breathing in Post COVID-19 Condition.
The goal of this observational study with a cross-sectional design is to investigate what signs, symptoms and assessment which can describe and explain dysfunctional breathing in patients with post COVID-19 condition.
- Conditions
- Post COVID-19 Condition (PCC), Dysfunctional Breathing, Breathing Pattern Disorder, Post-Acute COVID-19 Syndrome
- Trial name
- DB-PCC (NCT06776263)
- Where
- 2 sites in Sweden
- Volunteers
- 200 people
- Sponsor
- Karolinska Institutet
MRI, MRI Image Enhancement
Optimizing Liver MRI Using Breath-Holding With and Without Oxygen
The goal of this interventional study (clinical trial) is to learn if different breath-holding techniques, with and without extra oxygen, can improve the quality of abdominal Magnetic Resonance Imaging (MRI) images in healthy…
- Trial name
- NCT07135401
- Testing
- Breath-hold conditions
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Autoimmune Diseases
Increasing Plasma Adrenaline Levels Through Breathing Techniques - an Explorative Study
Inflammatory cytokines play a pivotal role in rheumatoid arthritis (RA) and innovative non-pharmacological therapies aimed at limiting cytokine production are highly warranted.
- Trial name
- INADRI (NCT02417155)
- Testing
- Hyper/hypoventilation, Strength ventilation
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Hyperventilation Syndrome
Nasal Ventilation Versus Voluntary Hypoventilation in the Rehabilitation of Hyperventilation Syndrome
The main objective of this study is to measure the effect (at 3 months) of dyspnea control rehabilitation with nasal ventilation versus standard rehabilitation, in dyspneic patients with hyperventilation syndrome.
- Trial name
- RehabSHV (NCT03159429)
- Testing
- Standard rehabilitation, Nasal breathing rehabilitation
- Where
- France
- Volunteers
- 19 people
- Sponsor
- University Hospital, Montpellier
Obesity
Hyperventilation and Physical Performance in Obesity
Obesity has become a major public health concern worldwide due to its rapidly increasing prevalence. It is defined as an abnormal or excessive accumulation of body fat that may impair health.
- Trial name
- NCT07122804
- Testing
- Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 44 people
- Sponsor
- Istinye University
Severe Traumatic Brain Injury
Approaches and Decisions for Acute Pediatric TBI Trial
Approaches and Decisions in Acute Pediatric TBI Trial (ADAPT) is an international research study designed to evaluate the impact of interventions on the outcomes of children with severe traumatic brain injury.
- Trial name
- ADAPT (NCT04077411)
- Testing
- Observational
- Where
- 48 sites in United States, Australia and 6 more
- Volunteers
- 1,000 people
- Sponsor
- University of Pittsburgh
Coronary Artery Disease
Breathing-Induced Myocardial Oxygenation Reserve
This is a clinical trial to test the clinical feasibility and safety of a novel CMR protocol, combined with a specific breathing maneuver to identify myocardial regions exposed to severe coronary artery stenosis.
- Trial name
- B-MORE-Pilot (NCT03050346)
- Where
- 6 sites in United States, Canada and 3 more
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Acid-Base Imbalance, Respiratory Alkalosis
Cerebrospinal Acid-base in Pregnant and Non-pregnant Fertile Women
The third trimester of pregnancy is typically characterized by the development of a marked respiratory alkalosis. The possible role of pregnancy-induced variations of cerebrospinal fluid (CSF) acid-base characteristics on the…
- Conditions
- Acid-Base Imbalance, Respiratory Alkalosis, Cerebrospinal Fluid, Pregnancy
- Trial name
- NCT03496311
- Testing
- Acid - Base characterization
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Fibromyalgia, Respiratory Alkalosis and Metabolic Acidosis
Evaluation of Respiratory Function in Fibromyalgia
This study will evaluate respiratory function in people with fibromyalgia and whether or not breathing patterns in this patient group can be explained by stress, emotional or biomechanical variables.
- Conditions
- Fibromyalgia, Respiratory Alkalosis and Metabolic Acidosis, Chronic Hyperventilation
- Trial name
- NCT04098731
- Where
- Sweden
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Acid-Base Imbalance, Respiratory Acidosis
Non Carbonic Buffer Power of Critical Ill Patients With Sepsis
Alterations of acid-base equilibrium are very common in critically ill patients and understanding their pathophysiology can be important to improve clinical treatment.
- Conditions
- Acid-Base Imbalance, Respiratory Acidosis, Respiratory Alkalosis
- Trial name
- NCT03503214
- Testing
- In vitro determination of non-carbonic buffer power, Classic description of acid-base status
- Where
- Italy
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Asthma, Cough
Sensory-Mechanical Responses to Eucapneic Voluntary Hyperventilation and Mannitol
The objectives of this study are to determine the sensory-mechanical responses to Eucapneic Voluntary Hyperventilation (EVH) and Mannitol in individuals with cough variant asthma (CVA) and methacholine-induced cough with normal…
- Conditions
- Asthma, Cough, Cough Variant Asthma
- Trial name
- NCT03105843
- Testing
- Methacholine (MCh) Challenge Testing, Eucapneic Voluntary Hyperventilation (EVH), Mannitol Inhalation Kit
- Where
- Canada
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Dr. Diane Lougheed
Epilepsy
The Effect of Child Position on the Results of Hyperventilation During Routine Electroencephalography
Electroencephalograhy (EEG) is used as a tool for diagnosing epilepsy/convulsions. During the recording, especially for childen who are suspected of having abbcence epilepsy the investigators will perform an EEG recording…
- Trial name
- NCT02851199
- Testing
- Electroencephalography
- Where
- Israel
- Volunteers
- 30 people
- Sponsor
- Hillel Yaffe Medical Center
Hyperventilation
Physiotherapy and Dysfunctional Breathing
Traditionally, the physiotherapy management of people with dysfunctional breathing or hyperventilation syndrome is breathing re-training.
- Trial name
- HVS (NCT00895219)
- Testing
- Breathing re-training, Breathing re-training and musculoskeletal techniques
- Where
- United Kingdom
- Volunteers
- 60 people
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Difficult Asthma, Severe Persistent Asthma
Prevalence of Hyperventilation Syndrome in Difficult Asthma
Most of asthmatics patients remain uncontrolled despite an inhaled steroids treatment. Chronic hyperventilation syndrome (also called Idiopathic Hyperventilation) occurs in 20 to 40% of asthmatic patients.
- Conditions
- Difficult Asthma, Severe Persistent Asthma, Hyperventilation Syndrome
- Trial name
- PRESH (NCT01862289)
- Testing
- Diagnostic of chronic hyperventilation syndrome
- Where
- France
- Volunteers
- 151 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Neonatal Disorder
Inadvertent Hyperventilation During Intraoperative Care in Neonates
In order to evaluate current anesthetic practice in the care of preterm infants and neonates, the investigators will retrospectively review surgical procedures in infants who are less than 60 weeks post-conceptual age in which an…
- Trial name
- NCT03823716
- Where
- United States
- Volunteers
- 112 people
- Sponsor
- Nationwide Children's Hospital