Active clinical trials for "Lung Diseases, Obstructive"

This is a multi-center, prospective, non-interventional study that aims to evaluate in daily clinical practice, the possible corelation between patIent perception of the ability to perform morning activities and physician evaluation; patients with COPD, grade C and D.

This is a multi-center, prospective, non-interventional study that aims to evaluate in daily clinical practice the possible correlation between patient perception of the ability to perform morning activities and the physician's assessment during a regular physical exam in patients with Chronic Obstructive Pulmonary Disease (COPD), group C and D.

Patients with chronic obstructive pulmonary disease (COPD) have an increased risk of cardiovascular disease,osteoporosis, muscle wasting and diabetes mellitus. Cardiovascular disease is a major cause of death in such patients and it may be related to excess stiffening of the walls of major arteries, such as the aorta, and it has been suggested to represent premature aging. However, there is little known of the development of these problems, which were previously considered to be due to smoking and which is now known not to be the only factor. The investigators will study a large group of patients with mild to very severe airflow obstruction based on the NICE 2010 classification of severity and a matched comparator group free of COPD. This study involves three assessments of the development of the complications of COPD over a five year period. The key measure will be the rate of change in the aortic wall stiffness, an accepted indicator of the risk of heart disease. Changes in wall stiffness will be related to the severity of lung disease; other known cardiovascular risk factors, such as high blood pressure, increased blood cholesterol and to cardiovascular events including heart attacks and death; and to the presence of other complications, such as osteoporosis, muscle wasting and diabetes mellitus. These measures will be analysed in the context of changes in bodywide inflammation and metabolic function and the changes in the rate of ageing. This increased knowledge of interacting factors in the complications of COPD is likely to lead to studies of treatments to avoid their development.

This is a longitudinal observational study to identify and validate protein biomarkers for COPD (chronic obstructive pulmonary diseases) and cardiovascular disease in smokers and ex-smokers attending primary care. Special emphasize is to correlate biomarkers to different phases of COPD, to progression of the disease, and to treatment of the disease. Furthermore, linkage between COPD, cardiovascular disease, and lung cancer will be investigated by identifying protein biomarkers.

The purpose of this study is to investigate the role of endothelial dysfunction in chronic obstructive pulmonary disease.

The investigator will determine a compliance of two diagnostic techniques (EIT and Body plethysmography) in collective of children and teenagers with obstructive lung disease and a matched control group.

The overall hypotheses of this proposal are that discrete phenotypes of HIV Chronic Obstructive Pulmonary disease (COPD) differ in their trajectories, biomarkers, and risk factors and that persistent viral infection including residual HIV is linked to HIV COPD.

Patients with Chronic Obstructive Lung Disease (COPD) often develop muscle problems, particularly in their legs which makes them more limited in what they can do. The Short Physical Performance Battery (SPPB) is a simple test of standing balance, usual walking speed and ability to stand from a chair. The SPPB may be a useful measure to predict leg function. This study aims to evaluate whether the SPPB is comparable with current exercise tests used in COPD patients, and whether it is useful in predicting disability, death and health resource usage over time.

The sensitivity of a person's cough reflex can be measured by getting them to breathe in (inhale) irritant chemicals. There are different methods by which subjects are asked to inhale these chemicals, either by taking one deep breath in, or by asking them to just continue to take a number of breaths. The purpose of this clinical research study is to see if the coughing responses are different in healthy people and people with respiratory problems that make them cough when they are given these chemicals in these two methods.

Many studies have evaluated the viability of measuring the pulmonary vascular resistance (PVR) by non-invasive methods in patients with pulmonary hypertension, pulmonary thromboembolism, ischemic cardiopathy and valvular disease. The investigators have not found other studies which evaluate the PVR in elderly patients with COPD. The hypothesis is that in patients with COPD, the severity of obstruction, expressed by GOLD class, is associated with an increase of PVR.