Clinical trials: Plethysmography
Bronchiolitis
Pneumacare SLP Validation in Infants and in Clinical Bronchiolitis
A cohort observational study to characterise baseline Structured Light Plethysmography (SLP) outputs in infants with bronchiolitis and examine response to treatment using the Thora3DiTM
- Trial name
- NCT02881632
- Testing
- Structured Light Plethysmography (SLP) - Pneumscan
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospitals of North Midlands NHS Trust
Asthma
Bronchial Dilation Test in Wheezy Infants
The purpose of the study is to establish the methodology of bronchial dilation test by salbutamol MDI with Spacer in wheezy infants with asthma and to evaluate the effects of atopy on the exacerbation of wheeze in wheezy infants.
- Trial name
- NCT03467776
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Guangzhou Institute of Respiratory Disease
Mesothelioma, Lung Neoplasms
Chest Wall Motion Analysis in Disease
Breathing movements, called chest wall motion, are very complex. The investigators are studying how movement of the abdomen, ribs and diaphragm contribute to breathing and how this differs with different diseases in the chest.
- Conditions
- Mesothelioma, Lung Neoplasms, Surgery, Cystic Fibrosis
- Trial name
- CWM (NCT02958683)
- Testing
- Chest wall motion analysis
- Where
- United Kingdom
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Heart of England NHS Trust
Neonates
Body Composition Assessment in Healthy Full-term Neonates by Anthropometry, Air Displacement Plethysmography and Multiple-frequency Bio-impedance Analysis
Low birth weight and prematurity are associated with adverse metabolic outcome in adult life. Yet it remains to be determined whether this outcome is the consequence of the low birth weight per se, or of the catch up growth…
- Trial name
- NCT00890344
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Hypertension
Role of Endothelin in the Regulation of Vascular Tone in Patients With Essential Hypertension
Endothelin-1 (ET-1) is a powerful vasoconstricting peptide produced predominantly by vascular endothelial cells, that exerts its effect through the interaction with specific receptors, ETA and ETB, on the underlying smooth muscle…
- Trial name
- NCT00001527
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Pregnancy
Therapeutic Omegas for Triglyceride Suppression
This study plans to learn more about how an omega-3 fatty acid supplement effects triglyceride levels in pregnancy. Triglycerides are a type of fat found in your blood.
- Trial name
- TOTS (NCT04349475)
- Testing
- Intervention Omega 3 Supplementation
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Univentricular Heart, Lymphatic Abnormalities
Lymphatic Function in Patients With a Fontan Circulation From Brazil
It is suggested that the elevated central venous pressure in patients with a Fontan circulation can provoke manifestation of lymphatic dysfunction, met as plastic bronchitis, peripheral oedema and most feared protein-losing…
- Conditions
- Univentricular Heart, Lymphatic Abnormalities, Lymphatic Edema
- Trial name
- NCT04394507
- Testing
- Near-Infrared Fluorescence imaging, Strain Gauge Plethysmography
- Where
- 2 sites in Denmark
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Asthma
Validation of Structured Light Plethysmography: Asthma
Validation of Structured Light Plethysmography (SLP) in patients with asthma, in patients with acute asthma; an observational study in healthy participants and during patients' clinical investigation of broncho-reversibility in…
- Trial name
- SLPBD (NCT02543333)
- Where
- 2 sites in United Kingdom
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Chronic Obstructive Pulmonary Disease (COPD)
Validation of Structured Light Plethysmography - Health and Disease
Validation of Structured Light Plethysmography (SLP) in patients with conditions such as Chronic Obstructive Pulmonary Disease (COPD) that effect breathing and in healthy participants.
- Trial name
- SLP-RespDis (NCT02626468)
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Hyperinsulinemia
Effect of Insulin on Endothelin-Dependent Vascular Tone in the Forearm Circulation
Previous studies have shown that insulin may stimulate the release of endothelin (ET) from endothelial cells. This mechanism may contribute to the adverse vascular effects determined by chronic hyperinsulinemia.
- Trial name
- NCT00001624
- Testing
- Insulin
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Endothelial Dysfunction, Obesity
Leptin Infusion and Endothelial Vasomotor Response
Adipose tissue is an active endocrine organ producing several hormones with circulatory and metabolic effects. In 1994, the hormone leptin was discovered.
- Conditions
- Endothelial Dysfunction, Obesity, Vasodilation, Venous Occlusion Plethysmography
- Trial name
- LIVARM (NCT04374500)
- Testing
- Leptin infusion plus vasodilators in healthy men, Leptin infusion in healthy men, Vasodilators in CAD patients
- Where
- 2 sites in Sweden, United Kingdom
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Stefan Soderberg
Dysfunctional Breathing
Structured Light Plethysmography Against Standard of Care in the Diagnosis and Monitoring of Dysfunctional Breathing
This is an observational, controlled, single-centre study to validate the Thora3Di™ against standard practice in patients who are undergoing investigation for disproportionate breathlessness.
- Trial name
- SLPDB (NCT04255446)
- Testing
- Thora3DiTM
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Lung Disease
A Clinical Study Aiming to Validate the Equipment: VoluSense Pediatrics (VSP)
This is a cross-sectional observational study, aiming to validate the accuracy of tidal breathing measurements in infants made by VoluSense Pediatrics, a lung function method based on electromagnetic inductance plethysmography…
- Trial name
- NCT02699268
- Testing
- Lung function measurement
- Where
- Norway
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Haukeland University Hospital
Limb Volume, Measuring Edema
Measuring Volume Using a 3D Scanner and iPad to Grade the Swelling of Legs
We used a new and easy-to-measure iPad 3D scanner to measure swelling in lower limbs because current technology is not easily available or affordable.
- Trial name
- NCT06944041
- Testing
- STO3 sensor (Structure Inc., Boulder, CO)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The RANE Center for Venous and Lymphatic Diseases at St. Dominic's Hospital
Neuromuscular Diseases in Children, Respiratory Function Impaired
Respiratory Functions, Thoracoabdominal Movements and Exercise Capacity in Neuromuscular Diseases
The clinical trial titled "Investigation of Respiratory Functions, Thoracoabdominal Movements, and Exercise Capacity in Neuromuscular Diseases" aims to evaluate the respiratory functions, thoracoabdominal movements, and exercise…
- Conditions
- Neuromuscular Diseases in Children, Respiratory Function Impaired, Respiratory Insufficiency, Duchenne Muscular Dystrophy
- Trial name
- NCT06756633
- Testing
- Respiratory Function Test, Structured light plethysmography, 6 Minute Walking Test
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Lokman Hekim University
Premature Birth
Preterm Lung Function and Exercise Response Measured by OEP
This study will explore lung function and respiratory health in school-aged children who were born prematurely at <32 weeks gestation.
- Trial name
- NCT04239287
- Testing
- Lung function + exercise tests
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Breathing Pattern
Respiratory Pattern Change in Runners by Respiratory Tract Restriction Using a Respirator
This study involves 20 race runners (10 girls and 10 boys) aged 16-26. The investigators looked at the effect of the respirator on their respiratory function and the involvement of individual breath sectors.
- Trial name
- NCT07032740
- Testing
- Bruce test
- Where
- 2 sites in Czechia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of South Bohemia
Pulmonary Disease
Validation of Structured Light Plethysmography
Measurements of Structured Light Plethysmography (SLP) using a chest wall movement based method will be compared to those obtained by spirometry using a flow based pneumotachograph method.
- Trial name
- SLPvsPNT (NCT02598336)
- Testing
- Structured Light Plethysmography, Pneumotachograph Spirometry
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Pregnancy
The Early and Late Contribution of Fasting and Postprandial Triglycerides on Newborn Subcutaneous and Intrahepatic Fat in Pregnancy
This study plans to learn more about how triglyceride levels in pregnancy affect newborn fat mass. Obesity in pregnancy, in the absence of gestational diabetes, is now the most common cause of large-for-gestational-age infants…
- Trial name
- NCT04394806
- Where
- United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Healthy
Effects of Miconazole on Blood Flow
This study will investigate the effect of the drug miconazole on blood vessel dilation. Miconazole stops production of EDHF, a substance that causes arteries to dilate. EDHF is produced by the cells that line blood vessels.
- Trial name
- NCT00004575
- Testing
- Miconazole, L-NMMA, Bradykinin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)