Clinical trials: Plethysmography
Prader-Willi Syndrome
Respiratory Restriction in Prader-Willi Syndrome
The main aim of this study is therefore to evaluate the impact of Prader Willi Syndrome (PWS) on lung and thoracoabdominal volumes, respiratory muscle strength and awake ventilatory pattern, and to quantify and localize the…
- Trial name
- RESPIPWS (NCT06851351)
- Testing
- Spirometry and optoelectronic plethysmography
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
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)
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers
Impairment of the heart's pumping capacity (heart failure) remains a major clinical problem with a poor prognosis and the search for novel treatments remains an important area of research.
- Trial name
- NCT01049542
- Testing
- Astressin 2B
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
COPD, Healthy Smoker
SLP Model Development in the Diagnosis of COPD Patients
This is an observational, comparative, multicentre study to develop a model for the Thora3Di™ against standard practice in patients who are undergoing investigation for COPD.
- Trial name
- SLPCOPD (NCT04584801)
- Testing
- Structured Light Plethysmography
- Where
- 7 sites in United Kingdom
- Volunteers
- 201 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Lipodystrophy
Carotid Doppler Peak Velocity Variation in Liposuction Fluid Management
This study aims to compare the hemodynamic parameters, postoperative plethysmography variability index, the total amount of postoperative intravenous fluid administration needed, and the urine output of two methods of fluid…
- Trial name
- NCT05930106
- Testing
- Intraoperative fluid ratio, Carotid Artery Doppler Peak Velocity Variation
- Where
- Mexico
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- TJ Plast Advanced Center for Plastic Surgery
Respiratory Failure With Hypoxia
Clinical Comparison of Flow Regulated Nasal Oxygen Delivery System (FRNDS) Cannula and Plethysmography Belts
SUMMARY: This is a quantitative, non-inferiority study using healthy participants to compare tidal volumes at rest measured by both a standard RIP belt and a flow-regulated nasal oxygen delivery system FRNDS cannula.
- Trial name
- FRNDS (NCT06713213)
- Testing
- Flow-regulated nasal oxygen delivery system (FRNDS)
- Where
- 2 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Virginia Polytechnic Institute and State University