View clinical trials related to Lung Diseases, Obstructive.
Filter by:Chronic obstructive pulmonary disease, including emphysema and chronic bronchitis, is the fourth most common cause of death and the second leading cause of disability in the United States. COPD is estimated to be responsible for more than 13.4 million physician visits and 13% of hospitalizations nationally. These hospitalizations are usually caused by acute exacerbations characterized by an increase in symptoms including dyspnea or shortness of breath (SOB), cough, wheezing, and sputum production. The significant disability for people with COPD is primarily due to the symptom of dyspnea (shortness of breath) that affects an individual's quality of life more than does the physiological impairment. Despite optimal medical and pharmacological therapy, most people with COPD continue to suffer from chronic and progressive dyspnea and other symptoms of cough and fatigue. We have previously shown that an individualized face-to-face dyspnea self-management program was effective in improving dyspnea with activities of daily living (ADL), physical functioning, and self-efficacy for managing dyspnea. Using an experimental longitudinal design, the i-DSMP will be compared to the Face-to-Face Dyspnea Self-Management Program (f-DSMP) and to an Attention Control (AC) intervention
Endorphins are naturally occurring narcotic substances that are released when individuals perform exercise. The hypothesis of the study is that endorphins reduce the severity of breathlessness during exercise in patients with chronic obstructive pulmonary disease (COPD). The initial five visits include familiarization and validation of a computerized system for patients to report dyspnea and leg discomfort continuously during exercise testing. At Visits 6 and 7 blood is drawn to measure serum endorphin levels pre-exercise, end exercise, and 30 minutes after exercise. Normal saline or naloxone is given intravenously 5 minutes prior to exercise in a double-blinded design. The primary outcome is the slope of oxygen consumption - dyspnea.
Pneumococcal disease is a serious bacterial infection that can affect different parts of the body, including the lungs. People with chronic illnesses, such as chronic obstructive pulmonary disease (COPD), have a greater risk of developing pneumonia and meningitis as a result of pneumococcal disease. This study will compare the immune response to two types of pneumococcal vaccines in adults with COPD.
The objective of this study is to assess the effects of using HRQL measures in the clinical care of pre- and post-lung transplant patients. The hypotheses are that the inclusion of HRQL measures, the Health Utilities Index System Mark 2(HUI2) and Mark 3 (HUI3), in routine clinical care of pre- and post-lung transplant patients, will: 1) improve patient-clinician communication;2) affect patient management; 3) improve patients' HRQL.
Lymphoid follicles, consisting of T-and B cells, are involved in the chronic inflammatory response in COPD. Foxp3 positive regulatory T cells (Tregs) are present in these follicles and may be involved in the suppression of this chronic inflammatory response. We hypothesise that a dysfunction of Tregs underlies the development of the inflammatory response in COPD. This could be either due to a decreased presence of Tregs in COPD, or to an altered function of Tregs possibly caused by a decreased HO-1 expression and/or an altered TGFβ regulation.
The objectives of the study are - to determine the prevalence of respiratory virus infections in COPD patients, during and outside acute exacerbation - to explore the impact of these viral infections on the outcome of these patients - to explore the association between blood procalcitonin levels and viral infections in this population.
This study aimed to assess airway inflammation in patients during the course of acute exacerbations of chronic obstructive pulmonary disease (AECOPD) by serial analyses of their exhaled breath condensates (EBC).
The effect of neuromuscular electrical stimulation on muscle atrophy in sedated patients on intensive care was studied. The aim of this study was to explore if electrical stimulation could prevent muscle atrophy.
The study does not involve testing of a drug (no treatment intervention). The study will will use spirometry (breathing tests) in subjects of 40 years of age and older with a history of cigarette smoking with chronic bronchitis to check their disease status and whether or not they have COPD. Also, study subjects will be asked to complete a questionnaire (to answer a list of questions on paper).
To assess the infectious etiology related to acute exacerbation of COPD in Hong Kong