View clinical trials related to Lung Diseases.
Filter by:Brain oxygenation is determined by the product of CaO2 and the cerebral blood flow (CBF), the modification of one or the other can affect the neuronal O2 availability. Besides the effect of the PaO2, the CBF is also regulated by the PaCO2. During effort in state of hypoxia, the drop of the PaO2 associated to a potential decrease of the PaCO2 and therefore of the CBF, can create an important dizziness between the demand and the supply of cerebral O2. It seems that hypoxia can trouble in a significant way the response of central neurons, just as the production of a motor cortex generated motor command. Studies suggest that exercise in severe hypoxia condition can constitute a necessary threat for brain oxygenation and the motor command, with the consequence a decrease of the exercise performance. This projects aim to study effects of hypoxia on the brain function for patients suffering from chronic respiratory disease. Neurophysiologic responses of the brain while resting or exercising, including drip and cerebral oxygenation, cortical excitation and motor command resulting for hypoxic subjects before and after a treatment to correct abnormalities of gaz in blood. The study will use a multidisciplinary and supplementary methodological approach : the near-infrared spectroscopy (NIRS) to appreciate the drip and cerebral oxygenation, CBF, neurostimulation procedures and electromyography (EMG) to appreciate the cortical excitability, measure the level of central activation and motor command. The goals of this study will be : - Measure the drip and cerebral oxygenation, the cortical excitability, mechanisms of voluntary activation and central fatigue to the effort for the chronic hypoxemic patient compared to healthy control subjects. - Analyse disruptions of locomotion parameters and posturographyc, in simple and double task, involving different levels of cerebral task. - Analyse acute effects of an improvement of arterial oxygenation for patients suffering from chronic obstructive pulmonary disease (COPD) on drip and cerebral oxygenation, cortical excitability, mechanisms of voluntary activation and central fatigue. - Evaluate effects of a treatment by continuous positive airway pressure (CPAP) for patients suffering from obstructive sleep apnea (OSA) with the same parameters.
The primary objective of the present study is to evaluate the effect of tiotropium + olodaterol fixed dose combination (FDC) compared to tiotropium monotherapy on the intensity of breathlessness during the 3min constant speed shuttle test (CSST). A secondary objective is to explore the relationship between reductions in breathlessness during the 3min CSST and reductions in breathlessness during activities of everyday living as measured by the dyspnea domain of the Chronic Respiratory Questionnaire (CRQ) following bronchodilator therapy.
Study to assess the long-term safety and effectiveness of Spiolto in Japanese patients with Chronic Obstructive Pulmonary Disease (COPD) in real-world setting
The objective of this pivotal study is to evaluate the relative bioavailability of SYN010 HFA Inhaler and Symbicort 160/4.5μg in healthy volunteers with charcoal block.
The purpose of this study is to determine whether exercise can be prolonged in COPD can by the inhaled bronchodilator Stiolto Respimat. The study will identify whether any endurance benefit is due to reduction in fatigue that originates within the skeletal muscles and/or from effects on neural activation of the skeletal muscles.
The study aims to investigate the effect of dexmedetomidine on oxygenation and lung mechanics in morbidly obese patients
The purpose of this study is to determine, if it exists, a relation between plateau heart rate from the last 3 minutes of the 6-minute stepper test and heart rate from first ventilatory threshold from cardiopulmonary exercise testing in order to individualise pulmonary rehabilitation in patients with mild to moderate chronicle obstructive pulmonary disease.
To determine whether the COPD impairs the diaphragmatic mobility (DM), and verify improvements after an inpatient pulmonary rehabilitation (PR). Ultrasonography on M-mode will assess the diaphragmatic mobility at rest breathing and at slow deep inspiration. Lung functions test, arterial blood gas analyses, six minute walk test will be also performed, on COPD patients and healthy subjects.
This is an open-label study to evaluate the PK of FF/UMEC/VI in dose combinations of 100/62.5/25 mcg after single and repeat dose administration from a DPI in healthy Chinese subjects. This study will evaluate the systemic pharmacokinetics (PK), of FF/UMEC/VI in Chinese healthy population when administered using dry powder inhaler (DPI)as a blended combination of UMEC/VI in one strip and FF in the second strip in dose combinations of 100/62.5/25 mcg. The triple, fixed dose combination product Fluticasone furoate(FF)/ Vilanterol (VI) /Umeclidinium bromide (UMEC) with new configuration enables the delivery of inhaled long-acting muscarinic antagonist (LAMA), Long-acting beta2 agonist (LABA) and inhaled corticosteroid (ICS) from a single device. Approximately 16 subjects will be enrolled in the study. After taking into account the allowable time windows for screening, treatment and follow-up, a subject will be in the study for a maximum duration of 6-7 weeks.
Pulmonary rehabilitation exercise is beneficial for individuals with chronic obstructive pulmonary disease (COPD). However, merely 30% patients know how to do the exercise correctly. Therefore, it is worthy to investigate the applications in clinical practice. In addition, there are no relative research in Taiwan to see effects of an 8-week pulmonary rehabilitation exercise in home care for the non-invasive ventilator-dependent elderly with COPD.