Clinical trials: Airway Obstruction
Nasal Obstruction
The Effect of Nasal Hair on Nasal Obstruction
Nasal obstruction is a common complaint prompting presentation to an otolaryngologist. Many studies have been performed quantifying and describing the impact of a number of factors on symptoms of nasal obstruction, including…
- Trial name
- NCT01850511
- Testing
- Vibrissae trimming, Application of oxymetazoline
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Airway Obstruction, Dyspnea
Heliox in Experimental Upper Airway Obstruction
Currently it is common medical wisdom that HELIOX (mixture of Helium in Oxygen) with a fraction of Helium below 60% is not effective in reducing airway obstruction.
- Trial name
- NCT00788788
- Testing
- HELIOX
- Where
- Germany
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Witten/Herdecke
Overjet, Dental
Sleep, Upper Airway and Dental Occlusion in Children With Large Overjet
This project examines sleep (e.g. prevalence of obstructive sleep apnea(OSA)), dimension of upper airway, jaw function, well-being and quality of life in children with large overjet compared to a control group.
- Trial name
- NCT04964830
- Testing
- Orthodontic treatment with functional appliance (MAD)
- Where
- Denmark
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Airway Obstruction
Maxillary Expansion Effects in Children With Upper Airway Obstruction
The most frequent causes of mouth breathers are the adenotonsillar hypertrophy. Adenotonsillectomy is the main choice for the elimination of the obstruction.
- Trial name
- NCT03004300
- Testing
- Rapid maxillary expansion, Adenotonsillectomy
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Goias
Oxygen Desaturation, Apnea (Central and Obstructive)
Supplemental Oxygen and Oxygen Desaturations in Colonoscopies
This study will compare apnea and oxygen desaturation events among various methods of supplemental oxygen delivery during procedural sedation in colonoscopy patients.
- Conditions
- Oxygen Desaturation, Apnea (Central and Obstructive), Airway Obstruction
- Trial name
- NCT07515755
- Testing
- Breath-synchronized oxygen, CPAP, Control
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Utah
Nasal Congestion
Bioequivalence of Single Dose Phenylephrine Extended Release Tablets and Phenylephrine HCl Immediate Release Tablets Dosed Every Four Hours (P08340)(COMPLETED)
This study will assess the food-effect bioavailability of an extended release formulation of phenylephrine HCl and its bioequivalence to the marketed immediate release phenylephrine HCl product.
- Trial name
- NCT01354418
- Testing
- Phenylephrine HCl Extended Release, Phenylephrine HCl Immediate Release
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Bayer
Airway Obstruction
Scoring System to Predict Depth of Cricothyroid Membrane
This study looks to devise a scoring system that can be used to predict difficult front of neck access due to increased depth of cricothyroid membrane.
- Trial name
- NCT03656315
- Testing
- Airway Assessment
- Where
- United Kingdom
- Volunteers
- 2,600 people, healthy volunteers welcome
- Sponsor
- University Hospitals Coventry and Warwickshire NHS Trust
Obstructive Sleep Apnea
Use of High-resolution Manometry to Detect Upper Airway Obstruction During Sleep
Obstructive sleep apnea (OSA) is a major public health issue in both children and adults, present in 1-5% of children and 10-30% of adults.
- Trial name
- NCT04139499
- Testing
- Drug-induced sleep endoscopy (DISE), High-resolution manometry (HRM):
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Airway Obstruction, Pain
Dental Isolation Systems Among Pediatric Patients With Different Airway Patency
This randomized clinical trial will aim to evaluate the effect of DryShield isolation (DSI) and Rubber Dam isolation (RDI) systems on arterial oxygen saturation (SpO2), heart rate (HR), blood pressure (BP), behavior, subjective…
- Conditions
- Airway Obstruction, Pain, Behavior
- Trial name
- NCT06128811
- Testing
- Rubber Dam Isolation, DryShieled isolation, fissure sealant
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Nasal Obstruction, Septoplasty Surgeries
Effects of Surgical Correction of Nasal Obstruction on Oxygen Uptake and Ventilation Volume
This retrospective study aims to evaluate the effect of surgical correction of nasal obstruction on aerobic performance parameters in male athletes aged 20-32 years.
- Conditions
- Nasal Obstruction, Septoplasty Surgeries, Athletic Performance
- Trial name
- NCT06957262
- Testing
- Surgical correction of nasal obstruction
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Tuba Melekoğlu
Pulmonary Disease, Chronic Obstructive, Bronchitis, Chronic
Airway Macrophages and Sputum Milieu in Adult Subjects With Airflow Obstruction
Airway macrophage impairment is a central feature in the immunopathogenesis of chronic obstructive pulmonary disease, regardless of smoking status.
- Conditions
- Pulmonary Disease, Chronic Obstructive, Bronchitis, Chronic, Occupational Diseases, Tobacco Use Disorder
- Trial name
- NCT00871637
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Lung Cancer, Malignant Airway Obstruction
Narrow Band Imaging (NBI) Under Electronic Bronchoscope in Lung Cancer
Narrow-Band Imaging (NBI) is useful to better demarcate the superficial extent of central type of lung cancer, but its sensitivity and specificity in clinical practice were little studied.
- Trial name
- NCT04676815
- Testing
- NBI and interventional bronchoscopy
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Shanghai Pulmonary Hospital, Shanghai, China
Airway Obstruction
Ultrasonography Versus Palpation for Identification of the Cricothyroid Membrane
After a structured teaching program anaesthetists are educated in identifying the cricothyroid membrane with ultrasonography. Thereafter their ability to do so is compared with their ability to do so with palpation.
- Trial name
- NCT02975791
- Testing
- Marking the cricothyroid membrane after ultrasound, Marking of the cricothyroid membrane after Palpation
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Nasal Obstruction
Design and Application of Vitamin D Films for Burn Healing After Cauterizing Surgery
One of this method's drawbacks is the healing of cauterized cartilage after processing. It was reported that the healing is so slow as no dosage form can reach this place in addition to the scares produced from healing is very…
- Trial name
- NCT05142072
- Testing
- Vitamin D3
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Deraya University
Nonallergic Irritant Rhinitis
Intranasal Capsaicin Treatment for Non-Allergic Irritant Rhinitis
The proposed study seeks to investigate the effect of intranasal capsaicin treatment in patient with Non-allergic irritant rhinitis (NAIR), as well as evaluate optical rhinometry (ORM) as a means to quantify symptomatic…
- Trial name
- NCT02493257
- Testing
- Capsaicin
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Airway Obstruction
Video Game Training on Intervention in Adult Airway Obstruction
Foreign body aspiration occurs as a result of partial or complete airway obstruction. In the case of complete obstruction, mechanical asphyxia can lead to insufficient ventilation and oxygenation, leading to death.
- Trial name
- NCT06843694
- Testing
- video game
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Kahramanmaras Sutcu Imam University
Alpha 1-antitrypsin Deficiency (AATD)
Screening for Alpha-1 Antitrypsin Deficiency in Patients With Airway Obstruction
Brief Summary: This study aims to find out if a genetic condition called Alpha-1 Antitrypsin Deficiency (AATD) is more common in people who have shortness of breath and signs of airway obstruction on their breathing tests.
- Trial name
- AATD-SAO (NCT07152834)
- Testing
- Blood Sampling
- Where
- Turkey (Türkiye)
- Volunteers
- 734 people, healthy volunteers welcome
- Sponsor
- Muğla Sıtkı Koçman University
Asthma
Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma
This study is a longitudinal single-center pilot study designed to describe changes in lung function and levels of noninvasive biomarkers of airway inflammation in children ages 6-18 years over two months following…
- Trial name
- NCT01227070
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Seattle Children's Hospital
Asthma
The Effect of Single Dose Paracetamol on the Lower Airways of Asthmatic and Healthy Children
Asthma is a common inflammatory airway disease. Several researches have demonstrated a possible connection between asthma and exposure to paracetamol.
- Trial name
- NCT01073748
- Testing
- paracetamol
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center
Airway Obstruction
Airflow Perturbation Device (APD) for the Evaluation of Pulmonary and Sleep Disorders
In a prospective, observational study the investigators compared resistance values measured using the airway perturbation device (APD) to impulse oscillometry and spirometry.
- Trial name
- NCT03054116
- Testing
- Airflow pertubation device
- Volunteers
- 199 people, healthy volunteers welcome
- Sponsor
- Walter Reed National Military Medical Center