Active clinical trials for "Pulmonary Disease, Chronic Obstructive"

Background : Long-term home non-invasive ventilation (NIV) can be proposed as treatment for acute respiratory failure with severe alveolar hypoventilation. The aim of NIV is to correct both daytime and night-time hypoventilation and associated symptoms and to provide the patient with adequate night-time oxygen saturation. The benefits of long-term NIV in the management of chronic obstructive pulmonary disease (COPD) patients in a stable state remain controversial. This highlights the importance of identifying the predictive factors for good compliance to the NIV, defined as a use of more than 4 hours per day. Aim of the study: The main objective is this observational study is to monitor the home NIV compliance over a period of 1 year under real conditions of treatment in patients with COPD newly initiated onto NIV (with telemonitoring or not) in order to specify the predictive criteria for good compliance. The secondary objectives are to assess the evolution of functional respiratory data, NIV parameters and changes in prescription, occurrence of acute exacerbations of COPD, hospitalizations and death, patient outcomes (quality of life and acceptability of NIV). Study design: a cohort of 120 patients with COPD newly initiated onto home-NIV (with telemonitoring or not), either in a stable state or following an acute exacerbation will be enrolled in the study and follow-up over 1 year. Data will be collected by lung specialists and home health care provider teams at 1-month post-initiation of NIV, 6 months and 1 year. The study is conduct in France.

Chronic Obstructive Pulmonary Disease (COPD) is a public health problem responsible for high mortality rate and significant costs for society. The disease evolution is punctuated by exacerbations worsening the health state of patients. Many guidelines of care procedures have been written but many disparities persist in medical practices. This pilot prospective observational study is an overview of current local practices in the university health center of Grenoble Alpes and it is the first step towards developing a regional observatory in order to standardize and improve patient cares. The primary outcome is to compare the international guidelines to the local practices regarding the prescription of key treatments of exacerbation, especially antibiotics.

Background: In non-invasive cardiopulmonary exercise testing (CPET), oxygen pulse (O2P) is defined as oxygen uptake divided by heart rate and is equal to the product of stroke volume and oxygen extraction by cells. As per, the O2P indicates the capability of oxygen consumption of whole body tissues and cells per heart beat. During exercise, the O2P changes can be deemed as the stroke volume changes as the oxygen extraction by muscle cells are normal. Hence, CPET-O2P can be non-invasively and continuously used to monitor the stroke volume changes during exercise. O2P value (i.e., % of predicted) is related to the severity and prognosis of heart failure and to the severity of constraint of the heart caused by exercise-induced hyperinflation or air trapping in patients with chronic obstructive pulmonary disease (COPD). However, O2P plateau pattern is not uncommonly encountered in the daily practice. Hypothesis and aims: O2P patterns during incremental exercise are seldom investigated although they have been hypothesized that the plateau or decreasing patterns are related to myocardial failure or ischemia. In this proposal, the O2P patterns are to be thoroughly investigated: (1) the patterns in norms, patients with heart failure and COPD, (2) the relationship between the O2P pattern and cardiac function and/or myocardial ischemia in patients with heart failure and COPD. As yet there are no relative reports on the O2P pattern and its possible mechanisms in the literature, the results of the proposal might tremendously impact the interpretation strategy of CPET reports. Methods: Multidisciplinary, prospective, comparative cross-sectional study is designed. Subjects aged from 40-85 years with the BMI of 18-28kg/m2 are to be enrolled: sample sizes of the norms, heart failure and COPD groups are 10, 20, and 20, respectively, equally distributed in two years. The definitions of COPD and heart failure with NYHA class I-III are according to the GOLD and ESC guidelines, respectively。All the three groups undergo CPET-NIRS, echocardiography, and the first pass and myocardial perfusion studies using Tc-99. The primary measurements are the O2P patterns and the cardiac function measured with echocardiography, the first pass and myocardial perfusion studies and air trapping in the lungs.。 Statistical analysis: For normal continuous data, t-test or ANOVA is used. For non-normal data, the Mann-Whitney test is used. The chi-square test or Fisher's exact test is used to compare the proportion of categorical variables between the two groups. A p value of less than .05 is considered to be statistically significant. Statistical procedures are performed using the SAS software package version 9.3.

During the COVID-19 epidemic, the medical treatment, disease status, and medication status of patients with chronic airway disease have not been studied. The purpose of this study is to investigate the management and healthcare utilization of patients with chronic airway disease and the influencing factors during the COVID-19 epidemic.

A pharmaco-epidemiological, observational study that aimed at assessing in a prospective manner the evolution of Quality of Life (QOL) in chronic obstructive pulmonary disease (COPD) patients treated with inhaled bronchodilators

The purpose of this study was to investigate the prevalence of chronic bronchitis in patients suffering from moderate to very severe chronic obstructive pulmonary disease (COPD), and to assess the difference in exacerbation rates in patients suffering from moderate to very severe COPD with chronic bronchitis vs. a population of patients without chronic bronchitis.

The aim of this study is to describe patient preferences on budesonide/formoterol fix dose combination for the treatment of their COPD, and to find those factors more strongly associated to a better attitude to medication.

VESALIO is a pilot study aimed at evaluating the feasibility and reliability (time stability and interobserver reliability) of healthcare quality standards in chronic obstructive pulmonary disease (COPD) recently outlined by SEPAR (Spanish Pneumology and Thoracic Surgery Society), and at establishing the foundation for a future validation (construct and criterion validation) of the aforementioned standards.

The primary objective of this observational study is to determine the incidence of medically attended (inpatient or outpatient) acute respiratory illnesses or events leading to worsening cardiorespiratory status (ie, acute exacerbations of chronic obstructive pulmonary disease [AECOPD] or worsening CHF) associated with RSV infections in high-risk adults (ie, those with severe COPD and/or advanced CHF) across multiple consecutive RSV seasons.

This is a prospective, observational, non-drug interventional, non-randomized study to compare the rate of moderate-severe COPD exacerbations in patients of all Chronic Obstructive Pulmonary Disease (COPD) severities with and without cardiovascular diseases. A total study population of 3330 subjects will be recruited by general practitioners (GPs) and assessed over a 27 month time frame.