Blood Collection From Individuals With Lung Disease for Genetic Studies (Qatar)
AsthmaCOPD3 moreThis is a research study where researchers are collecting blood to evaluate the genetic characteristics of individuals with chronic lung diseases, including asthma, COPD (chronic obstructive pulmonary disease), interstitial lung disease, cystic fibrosis, and lung cancer. The investigators hope to be able to identify an association between a genetic make-up in the blood samples and the risks of developing a particular lung disease, or severity of a lung disease. The findings of this study might be important to develop future preventative methods and potential treatments for the management of lung disease.
Study of Hepatic Glucose Production and De Novo Lipogenesis in Patients With Cystic Fibrosis
Cystic FibrosisOBJECTIVES: I. Determine the amount of hepatic glucose production derived from gluconeogenesis and glycogenolysis in the post-absorptive state in patients with cystic fibrosis. II. Determine de novo lipogenesis in relationship to resting energy expenditure in this patient population.
Multicenter Study of Nontuberculous Mycobacteria in Cystic Fibrosis Patients
Cystic FibrosisAtypical Mycobacterium InfectionOBJECTIVES: I. Determine the prevalence of nontuberculous mycobacteria in sputum cultures from patients with cystic fibrosis. II. Compare the clinical course of patients with negative versus positive cultures.
Lung Disease Associated With Rheumatoid Arthritis
Pulmonary FibrosisPulmonary fibrosis (PF) is a condition in which the lungs of a patient become scarred and fibrous. It has been known to occur in as many as 40% of patients diagnosed with rheumatoid arthritis (RA). The cause of the pulmonary fibrosis in patients with RA is unknown. Patients participating in this study will undergo a series of tests and examinations before and throughout the study. The tests include blood and urine tests, electrical measures of heart function (ECG), chest x-rays, CAT scans, nuclear medicine scans, breathing tests, exercise tests, and fiberoptic bronchoscopy. The goals of this study are to: Estimate how common pulmonary fibrosis is in patients with rheumatoid arthritis, Describe the natural course of pulmonary fibrosis in patients with rheumatoid arthritis, Estimate the survival rate of patients with pulmonary fibrosis and rheumatoid arthritis, and Learn more about the factors that contribute to the development or progression fibrotic lung disease....
Segmental Bronchoalveolar Lavage
AsthmaPulmonary FibrosisBronchoalveolar lavage (BAL) is a diagnostic and therapeutic procedure conducted by placing a small fiberoptic scope into the lung of a patient, and injecting sterile water (saline) into the lung and removing the fluid. The sterile solution removed contains secretions, cells, and protein from the lower respiratory tract. This sample can be analyzed to provide more information about possible disease processes going on in the lungs. This protocol will be used to perform BAL, bronchial brushing, and bronchial wall biopsy in normal volunteers and patients with pulmonary disease. The samples collected during the study will be used to examine biochemical processes in the lung that may contribute to lung disease
Compositional Shift of Gut Microbiome According to the Complications in Patients With Liver Cirrhosis...
Liver CirrhosisChange in gut microbiome is closely associated with liver cirrhosis diseases initiation, progression, establishment, and severity. Nevertheless, compositional alterations in gut microbiome during cirrhosis development still not been evaluated, comprehensively. Here, investigators compared the gut microbial composition in cirrhosis patients to encompassing the gut microbial role in whole spectrum of disease.
Cystic Fibrosis and Frailtyh What's in Common?
Frailty SyndromeCystic FibrosisThe goal of this observational study is to assess the main clinical and anamnestic characteristics, and frailty syndrome in an adult Cystic Fibrosis population. The main question it aims to answer is the possible association of the frailty status with the main clinical, therapeutical characteristics, including the genotyping classification of Cystic Fibrosis patients.
New Markers of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Function in Sweat
Cystic FibrosisBiomarkersThe aim of the study is to identify new biomarkers of CFTR function in sweat and in sweat gland.
Respiratory Function, Exercise Capacity and Peripheral Muscle Strength Among Patients With CF, PCD...
Primary Ciliary DyskinesiaCystic FibrosisThe aim of this study is to compare pulmonary function, respiratory muscle strength, exercise capacity and peripheral muscle strength of patients with CF, PCD and healthy childrens.
Mucoid Staphylococcus Aureus in Cystic Fibrosis Airways
Staphylococcus Aureus PneumoniaLung Diseases2 moreRecently, the investigators described a new mucoid phenotype of Staphylococcus aureus cultured from the airways of cystic fibrosis (CF) patients.In this observational study, the investigators plan to determine the prevalence of mucoid S. aureus in respiratory specimens of CF patients and a possible impact of mucoid S. aureus on lung disease severity.