Clinical trials: Hyperventilation
Hypoventilation, Hyperventilation
Investigating the Effect of Yoga-based Breathing Styles on the Human Brain, With a Focus on Memory
The goal of this clinical trial is to learn if yoga-based breathing styles could improve memory performance in adult persons without relevant prior experience in yoga, meditation or similar disciplines and without existing health…
- Trial name
- NCT05846425
- Testing
- Nose-breathing training, Mouth-breathing training
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Universität des Saarlandes
Altitude Sickness
Controlled Hyperventilation as Prophylaxis for Acute Mountain Sickness
This study evaluates the safety and efficacy of the voluntary ventilatory response as prophylaxis for acute mountain sickness, measured by the Lake Louise Self-Report Score, comparing to a group using acetazolamide.
- Trial name
- NCT02972411
- Testing
- Voluntary ventilatory response, Acetazolamide
- Where
- Chile
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hospital del Trabajador de Santiago
Breast Cancer
Hyperventilation and Oxygenation to Prolong Breath Hold in Breast Cancer Irradiation Treatment
With the HOBBIT trial, the investigators want to develop a technology that allows volunteers to hold their breath for a long time.
- Trial name
- HOBBIT (NCT04091542)
- Testing
- Optiflow/Ventilator
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
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
Postural Orthostatic Tachycardia Syndrome, Hypocapnia
Chemoreflex and Baroreflex Alterations Causing Postural Tachycardia Syndrome With Orthostatic Hyperpnea and Hypocapnia
Postural tachycardia syndrome (POTS) is the most common chronic cause of postural lightheadedness, and upright confusion afflicting many Americans, mostly young women.
- Conditions
- Postural Orthostatic Tachycardia Syndrome, Hypocapnia, Hyperventilation
- Trial name
- NCT05923840
- Testing
- Chemoreflex Testing, Baroreflex testing, Orthostatic stress testing
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- New York Medical College
Epilepsy, Absence
Does Body Positioning Affect the Yield of Hyperventilation in Routine Pediatric Electroencephalography - EEG Studies?
Children referred for routine EEG studies for suspected absence seizures will be asked, upon caregiver's informed consent, to perform 3 minutes of hyperventilation both in the supine position and while sitting up.
- Trial name
- NCT02766595
- Testing
- hyperventilation while sitting up during routine EEG
- Volunteers
- 50 people
- Sponsor
- Meir Medical Center
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 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
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
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
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
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
Febrile Seizure
Carbon Dioxide (Carbogen) for the Treatment of Febrile Seizures
The aim of this clinical trail is to evaluate the efficacy of a Carbogen inhalation in patients with febrile seizures compared to a placebo-inhalation.
- Trial name
- CARDIF (NCT01370044)
- Testing
- Carbogen
- Where
- Germany
- Volunteers
- 96 people
- Sponsor
- Charite University, Berlin, Germany
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
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
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.
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
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
Hypercapnia
Improved Patient Recovery After Anesthesia With Hypercapnia Hyperpnoea
The proposed study will measure the time from the end of surgery until the time patients meet the discharge criteria from the postoperative anesthesia care unit and the time from the end of surgery until the patients regained…
- Trial name
- NCT00708526
- Testing
- standard of care for phase one anesthesia care, Quick Emergence Device
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of Utah