Active clinical trials for "Cystic Fibrosis"

Pharmacokinetics of colimycin will be assessed during 12 hours after administration of 2M UI colimycin either as an aerosol or after IV injection, the administration being separated by 5 to 10 days intervals

Hypothesis: The addition of a series of musculoskeletal techniques to normal optimal care for the treatment of a respiratory exacerbation in inpatient adults with cystic fibrosis, will lead to further improvements in pain, posture, sputum clearance, lung function and quality of life.

The objective of this overall project is to develop a new aerosol-based technique for quantifying liquid absorption in the airways of subjects with cystic fibrosis(CF) that can be used to help develop new therapies. In CF, mutations in the CF gene result in dysfunction of the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) ion channel on the cells that line the airway epithelium, causing improper fluxes of ions such as sodium, chloride, and bicarbonate. The so called "low volume" hypothesis of CF pathogenesis contends that abnormal absorption of ions from the airways causes excessive absorption of liquid, resulting in an airway surface liquid layer that is dehydrated and difficult to clear. Here we are measuring the absorption rate of a radiolabeled small molecule (DTPA) from the lungs of cystic fibrosis patients and healthy controls. We hypothesize that the molecule will absorb more quickly in cystic fibrosis patients. Further studies will be performed to determine if DTPA absorption is related to liquid absorption in the airways.

In this research, we will use established surveys to look at the relationship between various styles of coping with a disease, religious coping styles, treatment compliance, locus of control, broad measures of mental health and adjustment, and basic health data (e.g., PFTs, recent hospitalizations or antibiotics within the past year, lung microbiology, CFTR mutations, and co-morbid conditions such as diabetes, depression, and liver disease). While the research is correlational, it should suggest relationships (both positive and negative) between various coping styles and desired outcomes (compliance and well-being).

The purpose of the study is to investigate the relationship between hypoxemia achieved during Hypoxia Altitude Simulation test and sea level values of pulmonary function, arterial blood gases, pulse oximetry and cardiopulmonary exercise test variables. In addition, to study the effect of slow walk in a hypoxic environment, comparable to slow walking along the aisle.

The aim is to evaluate the impact of a 3-week lasting residential rehabilitation program for patients with cystic fibrosis on their nutritional status measured as BMI and body composition and pulmonary function.

The purpose of this research is to determine if an investigational device called the 13C-Spirulina Gastric Emptying Breath Test (GEBT), can accurately diagnose gastroparesis (delayed emptying of the stomach) in patients with Cystic Fibrosis (CF).

The present application proposes to study the role the composition of the pediatric CF airway microbiota plays in frequent pulmonary exacerbations in pediatric CF patients. In order to accomplish this goal the dynamics of the composition of the CF airway microbiota in two distinct subsets of pediatric patients with CF will be characterized, those with frequent pulmonary exacerbations and clinically stable children. Clinical measures of pulmonary function, patient reported symptoms, sleep quality, and antibiotic usage will be recorded, and these findings will be correlated with the lung microbiota data. This strategy promises to identify the key characteristics of the pediatric CF microbiota, which can in turn be used as noninvasive markers to identify those patients at a higher risk for experiencing repeated pulmonary exacerbations.

The objective of the study is to implement a new method of performing chest CT imaging in young children with cystic fibrosis at Packard Children's Hospital. This technique will be used to evaluate early lung disease comparing quantitative chest CT air trapping and airway measurements with lung function measurements in infants, toddlers, and young children with chronic lung disease.

The aim of the study is identify biological parameters reflecting proteolytic activity in the exhaled condenstaes which might be useful to follow up pulmonary inflammation in various conditions including cystic fibrosis, COPD, asthma, tobacco exposure. Three proteases will be analyzed, i.e. elastase, proteinase 3 and cathepsin G. Results in the condensates will be compared to those obtained in sputum.