Clinical trials: Hyperventilation
Exercise-Induced Bronchospasm
Effects of Montelukast on Occult Exercise-Induced Bronchospasm in Athletes
The purpose of this study is to determine if treatment of exercise-induced Bronchospasm with montelukast will help college athletes train more effectively and thus become more competitive in a non ergogenic manner.
- Trial name
- NCT00375232
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Indiana University
Asthma (Diagnosis)
The Effect of a Cold Air Eucapnic Hyperventilation Test on Lower Respiratory Airways in Healthy Volunteers and Patients With Asthma
In this study, we want to evaluate the feasibility and safety of a CAEH test in healthy volunteers and patients with asthma. We want to develop a CAEH test to differentiate patients with different types of asthma and…
- Trial name
- CLARINET (NCT07220928)
- Testing
- Cold air challenge
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- KU Leuven
HIV-positive Diagnosis
Massage Therapy for HIV-positive People : Effects on Anxiety, Depression, Hyperventilation and Quality of Life
Massage therapy during 1 month and evaluation of depression, hyperventilation, anxiety and quality of life
- Trial name
- NCT02535429
- Testing
- massage
- Where
- Belgium
- Volunteers
- 28 people
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Hyperventilation, Aneurysmal Subarachnoid Hemorrhage
Drug Intervention of Spontaneous Hyperventilation in Patients With Aneurysmal Subarachnoid Hemorrhage
Although spontaneous hyperventilation patients with aneurysmal subarachnoid hemorrhage closely associated with poor outcomes, the standard therapy remains unavailable.
- Conditions
- Hyperventilation, Aneurysmal Subarachnoid Hemorrhage, Cerebral Blood Flow
- Trial name
- NCT04940273
- Testing
- Remifentanil Injection [Ultiva]
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Capital Medical University
Coronary Artery Disease
Impact of Breathing Maneuvers on the Oxygenation Supply of the Heart Assessed With MRI in Patients With Coronary Artery Disease
Patients with an impaired blood supply of the heart routinely receive oxygen in order to improve or preserve the oxygen supply of the heart muscle in acute cardiac care.
- Trial name
- CADOS-CMR (NCT02233634)
- Testing
- Oxygen, Hyperventilation Breath-hold (HVBH), HVBH with Oxygen
- Where
- Switzerland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Exercise-Induced Bronchoconstriction
Influence of Cromones on Eucapnic Hyperventilation (EVH)-Test in Young (Elite) Athletes Who Tested Positive for EIB.
This is a randomized, double-blinded, placebo-controlled trial of nebulized Sodium Cromoglycate (SCG) (Lomudal®) versus NaCl0.9% in athletes (11-18 year) with exercise-induced bronchoconstriction (EIB).
- Trial name
- NCT04408664
- Testing
- Sodium Cromoglycate
- Where
- 2 sites in Belgium
- Volunteers
- 8 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Hyperventilation, Larynx
Vocal Cord Responses During Hyperventilation in Normal Individuals and in Mild and Severe Asthmatics.
The Investigators aim to: 1. Study the effect of hyperventilation on the development of paradoxical vocal cord movement (PVCM) in healthy individuals and in patients with mild and severe asthma, 2.
- Conditions
- Hyperventilation, Larynx, Asthma
- Trial name
- NCT05565430
- Testing
- Acute Hyperventilation, Chronic hyperventilation, Effects of anticholinergic medication
- Where
- Australia
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Monash Medical Centre
Anxiety, Claustrophobia
Evaluation of an MRI-compatible Vital Signs Sensor System
This study is to determine the possibility of assessing the level of anxiety in MRI patients by means of the respiration rate (RR) and heart rate (HR) indicators acquired by a fiber-optic sensor system.
- Conditions
- Anxiety, Claustrophobia, Hyperventilation, Stress
- Trial name
- OPTO-MRI (NCT03384849)
- Testing
- MRI examination
- Where
- Poland
- Volunteers
- 200 people
- Sponsor
- Military Institute of Aviation Medicine
Acute Mountain Sickness
Voluntary Isocapnic Hyperpnea in Hypoxia to Mitigate Acute Mountain Sickness
This study investigates the effects of a brief Voluntary Isocapnic Hyperpnoea (VIH) on Acute Mountain Sickness (AMS) symptoms, SpO₂, blood pressure, and blood gas homeostasis in normobaric hypoxia, to evaluate whether such…
- Trial name
- NCT07126834
- Testing
- VIH
- Where
- Poland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Institute of Sport - National Research Institute, Poland
Environmental Sleep Disorder, Cheyne-Stokes Respiration
Monitoring of the Cerebral Tissue Oxygenation and Perfusion in the Adapting Climber During Sleep in High Altitude
One of the major challenges in adapting to high altitudes is that with increasing altitude sleeping quality declines rapidly. Thus, the night sleep can only provide limited to none regeneration.
- Conditions
- Environmental Sleep Disorder, Cheyne-Stokes Respiration, Altitude Sickness
- Trial name
- PerOxySleep (NCT01465971)
- Where
- Germany
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Goethe University
Hyperventilation Syndrome, Hypocapnia
Comparison of Transcutaneous Vs End-tidal CO2 Pressure Measurements in Hyperventilation Syndrome Diagnosis
Hyper Ventilation Syndrome is a frequent disease affecting adults whose diagnosis is often belated or even unrecognized due to the lack of "gold standard" criteria.
- Conditions
- Hyperventilation Syndrome, Hypocapnia, Alkalosis, Respiratory, Hyperventilation
- Trial name
- TCvsPETCO2 (NCT03614806)
- Testing
- Simultaneous Transcutaneous and End-tidal CO2 measurements
- Where
- France
- Volunteers
- 14 people
- Sponsor
- University Hospital, Rouen
Interface, Mask, Continuous Positive Airway Pressure (CPAP)
CPAP and NIV Interfaces : Side-effects in Home Care Patients
Home ventilation techniques consist mainly of two techniques, Continuous Positive Airway Pressure or CPAP and Non Invasive Ventilation or NIV. Whether for CPAP or NIV, pressures are delivered to the patient via an interface.
- Conditions
- Interface, Mask, Continuous Positive Airway Pressure (CPAP), Non Invasive Ventilation (NIV), Hyperventilation Anxiety
- Trial name
- InterfaceVent (NCT03013283)
- Testing
- self questionnaire
- Where
- 2 sites in France
- Volunteers
- 6,000 people
- Sponsor
- University Hospital, Montpellier
Laparoscopic Cholecystectomy
The Effects of Hyperventilation Prior to CO2 Insufflation During Laparoscopic Cholecystectomy
The investigators postulated that the use of hyperventilation after induction of anesthesia before CO2 insufflation for laparoscopic surgery in Trendelenburg position would maintain normocapnia and reduce the hemodynamic…
- Trial name
- NCT01182545
- Testing
- Ventilation
- Where
- Saudi Arabia
- Volunteers
- 100 people
- Sponsor
- King Faisal University
Anesthesia
The Efficacy of Isocapnic Hyperpnoea to Accelerate Recovery After General Anesthesia With Sevoflurane
The twilight phase between being asleep and awake during recovery from anesthesia is a precarious time fraught with risks to the post-operative patient.
- Trial name
- NCT00242671
- Testing
- Isocapnic Hyperponea
- Where
- Canada
- Sponsor
- University Health Network, Toronto
COVID-19, Hyperventilation Syndrome
Relationship Between Hyperventilation Syndrome and SARS-CoV-2 Infection
Following an acute COVID-19 infection, many patients suffer from long lasting physical symptoms that may greatly impair quality of life.
- Trial name
- Hypercovid (NCT05224830)
- Testing
- Nijmegen questionnaire score
- Where
- France
- Volunteers
- 2,846 people
- Sponsor
- Central Hospital, Nancy, France
Exercise Induced Bronchospasm
Hyperventilation Versus Exercise Testing Sensitivity in Exercise Induced Asthma
The diagnosis of exercise-induced bronchospasm (EIB) is difficult. The metacholine challenge test is not enough specific for the diagnosis of EIB.
- Trial name
- HYVES (NCT03063424)
- Testing
- Eucapnic voluntary hyperventilation, Exercise challenge on a cycle ergometer
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Cold Exposure, Hyperventilation
Effects of Cold Exposure and Breathing Techniques on Immune Response
Inflammatory cytokines play a pivotal role in rheumatoid arthritis (RA) and innovative non-pharmacological therapies aimed at limiting cytokine production are highly warranted.
- Conditions
- Cold Exposure, Hyperventilation, Inflammation, Endotoxemia
- Trial name
- EXPOCOL (NCT03240497)
- Testing
- Cold Exposure, Strength Ventilation
- Where
- Netherlands
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Sepsis, Septic Shock
Determination of the Dissociation Constant (Ka) of Plasma and Whole Blood in Septic Patients
Alterations of acid-base equilibrium are very common in critically ill patients and understanding their pathophysiology can be important to improve clinical treatment.
- Conditions
- Sepsis, Septic Shock, Critical Illness, Respiratory Acidosis
- Trial name
- ENTERPRISE (NCT03966664)
- Testing
- In vitro determination the dissociation constant (Ka) and total amount of non-volatile buffers (Atot) in isolated plasma., In vitro determination the dissociation constant (Ka) and total amount of non-volatile buffers (Atot) in whole blood, Biomolecular analysis of plasma proteins.
- Where
- 2 sites in Czechia, Italy
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Persistent Physical Symptoms (PPS)
CBT Plus SMC Compared to SMC for Persistent Physical Symptoms in Secondary Care (PRINCE)
Brief Summary: Persistent Physical Symptoms (PPS), also known as medically unexplained symptoms (MUS) is a term used to describe a range of persistent bodily symptoms for which the exact cause is unclear.
- Trial name
- PRINCE (NCT02426788)
- Testing
- Cognitive behavioural therapy (CBT)
- Where
- 7 sites in United Kingdom
- Volunteers
- 324 people
- Sponsor
- King's College London
COPD
Dynamic Hyperinflation and Tiotropium
We will detect dynamic hyperinflation (DH) in 40 COPD (chronic obstructive pulmonary disease) patients with moderately severe disease using metronome paced hyperventilation (MPH) with inspiratory capacity as the primary end…
- Trial name
- NCT00569270
- Where
- 2 sites in United States, Canada
- Volunteers
- 30 people
- Sponsor
- Gelb, Arthur F., M.D.