Active clinical trials for "Asthma"

To identify genetic factors that influence the development of asthma in Hispanics.

This study will evaluate the usefulness of a new procedure for evaluating asthma in children. The method measures the pH (a measure of acidity and alkalinity) of exhaled breath condensate (water vapor created by the lungs). The condensate contains products of the lungs that may be associated with lung inflammation. Investigators will determine if the pH of the exhaled breath condensate correlates well with known asthma indicators, such as number of hospitalizations, school absenteeism, use of rescue medication, and others. Test results will be compared with findings from healthy normal volunteers. No experimental treatments or medicines are used in this study. Patients who require treatment for their asthma will receive standard care with medicines approved by the Food and Drug Administration and used widely in the United States. Children with asthma and healthy normal volunteers between 6 and 17 years of age may be eligible for this study. You must complete the study before your 18th birthday. Candidates are screened with a medical history and physical examination. Children with asthma undergo the following tests and procedures over six clinic visits, including an initial visit and follow-up visits at 4-8 weeks, 3, 6, 9, and 12 months: Blood draw in children over 6 years of age. Medications are available to decrease the pain associated with blood drawing.(initial visit) Allergen skin testing: Drops of up to 16 allergens are placed on the arm. The skin under each drop is scratched and the area is observed for an allergic reaction. (4- 8-week follow-up visit) Expired nitric oxide testing: The child breathes into a balloon to collect a portion of the gases exhaled form the lungs. This test measures the amount of nitric oxide, which correlates with bronchial inflammation. (all visits) Exhaled breath condensate: The child breathes into a plastic tube surrounded by a cold metal sleeve for 10 to 15 minutes. The water vapor created by the lungs (the same vapor that forms when breathing outside on a cold day) is collected and the pH measured. (all visits) Pulmonary (lung) function test: The child blows very hard into a tube attached to a machine to measure the airflow from the child's lungs. This test measures airflow from the lungs. (all visits) The children are given small plastic device called a peak flow meter - a device used to measure lung function - to use at home. Children whose lung function is less than 80% of the predicted value for their age may be given medicine to see if their lung function improves. Review of the patient's symptoms, sick days, medicines or actions taken to get over the illness; review of peak flow reports; and review of action plan. (3-, 6-, 9-, and 12-month visits) Healthy controls will have the expired nitric oxide test, exhaled breath condensate test, and pulmonary function test at each visit at the initial and over two additional visits scheduled 6 months apart.

BACKGROUND Asthma is a prevalent and troublesome pediatric condition. In 2013, Emergency Department (ED) providers treated over 3,500 cases of asthma-related complaints at Children's Hospitals and Clinics of Minnesota. Pediatric ED visits for asthma exceeds billions of dollars annually when including direct cost and lost productivity. Many of these visits and resultant costs are avoidable. Patients with well-controlled asthma do not typically exhibit these patterns, while patients with poorly controlled asthma show patterns of increased utilization of healthcare resources and lower quality of life. Evidence suggests that a text message reminder and educational program might positively influence pediatric asthma care practices. RESEARCH QUESTION Does a targeted ED based text message intervention program improve outpatient follow-up and routine preventive care in pediatric asthma patients? METHODS Study subjects will be block randomized based on age and insurance group. The experimental group will receive text messages with guidance towards follow-up care with their PCP and the importance of the flu vaccine for children with asthma. The control group will receive a series of educational self-care and health based text messages unrelated to asthma or the flu vaccine. Some self-report of behaviors will be captured via text message response. ANALYSIS Primary outcomes for the educational versus targeted text message groups will be compared use Chi-square tests. Additional adjustments may be applied for missing data or if, despite randomization, there is substantial imbalance between group in key covariates (eg race/ethnicity, insurance type or asthma severity.)

The purpose of this cross-sectional, observational study is to evaluate the site and mechanism(s) for expiratory airflow limitation in chronic, treated, current or former smokers (>15 pack years) with COPD, Emphysema, and Asthma-COPD Overlap with mild to severe expiratory airflow limitation. Treatment may include short and long acting inhaled beta2agonists, short and long acting inhaled muscarinic receptor antagonists, inhaled and or oral corticosteroid, oral antibiotic, supplemental oxygen, and PDE type 4 inhibitor. In some cases, the patient may have had a history of asthma preceding the development of COPD (Asthma COPD Overlap).

The purpose of this study is effects of Omalizumab compared to non-Omalizumab treatment in the propensity-matched group on asthma exacerbation in asthma patients in Korea: a retrospective cohort in real world. Omalizumab was approved 2007 in Korea and has been used in this center. We would like to collect and analyze the data and exacerbation outcomes of these patients on Omalizumab; no Korean real world data available.

Asthma affects over 10 million children in the U.S., and poses a significant health and cost burden. Metered dose inhaler (MDI) is the most common method of treatment. Studies show that up to 80% of patients demonstrate incorrect use of MDIs, which results in suboptimal medication delivery to the lungs. Asthma control can be followed by symptoms, rescue medication usage and measures of airflow obstruction. Current options to monitor control include an asthma diary (relies on consistent use by the patient), pharmacy records of medication dispensing (dispensing does not equal usage), and peak expiratory flow (PEF) meters (significant variability in technique leading to inconsistent results). CapMedic is a smart inhaler and home spirometer device which aims to assist with correct MDI usage and to monitor asthma control. CapMedic fits on top of the MDI inhaler and provides live audio-visual-haptic cues to guide the patient for correctly using their inhaler. CapMedic includes a built-in forced expiratory flow in 1 second (FEV1, a measure of airflow) and PEF meter. It will utilize the same audio-visual-haptic hardware to implement live cues that encourage patient's effort in performing accurate at-home FEV1/PEF test. Cap will also be able to log medication usage and Medic application will allow patients to keep an asthma symptom diary.

Develop new real-world evidence indicators of worsening and improving asthma. Scientists will measure (1) steps per day, (2) duration and intensity of exercise per day, (3) sleep duration and the number of awakenings per night using Fitbit activity trackers. Scientists will measure asthma symptoms using a once-monthly custom survey delivered to participant smartphones via Twilio. Scientists may measure rescue medication use and adherence to maintenance medications using digital inhaler devices. Scientists will correlate the above measures to participant-reported significant asthma exacerbations (SAEs), lung function (FEV1), and standardized surveys (i.e. the asthma control test (ACT) and global evaluation of treatment effectiveness (GETE)(4)) collected in clinic every 3 months. Coordinators will record any medication changes or reported medication side effects. Determine response to omalizumab therapy. After participants are placed on omalizumab therapy as part of standard medical care, scientists will determine whether and how real-world evidence can be used to gauge responses to omalizumab. Then, scientists will determine which features, or combination of features, are the best indicators of disease control in the real world.

Feilike HeJi is produced by Guizhou Jianxing Pharmaceutical Co. LTD. For the treatment of phlegm heat caused by lung cough phlegm yellow, bronchial asthma, bronchitis, see the syndrome of proprietary Chinese medicine (approval number: Z20025136) approved by the state and the drug from radix scutellariae, radix peucedani, radix stemonae, red gentian root of deal, phoenix tree, spreading hedyotis herb, red tube 7 flavour, with qingrejiedu, antitussive expectorant effect. In order to fully understand the safety of Feilike HeJi in clinical practice and fulfill the responsibility of production enterprises for patients, the production enterprises initiated this study to further evaluate the safety and understanding of the function characteristics of Feilike HeJi in a wide range of people, so as to guide the clinical rational drug use.

The GINA 2020 guidelines suggest that asthma affects approximately 300 million persons worldwide. Even if there is a specific drug treatment for each stage of disease (From mild to severe) in some patients it is not efficacy and it culd be reated to the gender difference Polymorphisms seems to be involved in asthma (allergic or not) even if no data have been published concerning the role of gender in this clinical manifestation. The aim of this study is to assess whether genetic variations involved in the genes encoding the two key leukotriene enzymes, ALOX5 and LTC4S, and CysLTR1 are implicated in the sex difference of allergic asthma in a well-characterized patient cohort.

Annually, asthma is responsible for 1 million emergency room visits, 400,000 hospitalizations, and 5000 deaths according to the NHLBI. In addition, 10 million missed school-days per year and 100 million days of restricted activity are attributed to this disease. While there is no known cause or cure for asthma, recent studies have shown that hospitalizations and emergency room visits can be reduced by as much as 78% and 73%, respectively, when the disease is properly managed. According to the EPA, the occurance of children with asthma more than doubled the rate of two decades ago; in 2001 the percentage of asthmatic children was 8.7% (6.3 million children). Properly managing asthma is nontrivial and can often require an asthma specialist. The difficulty in diagnosing and managing asthma lies primarily in the lack of available clinical technologies capable of assessing airway inflammation, an early and persistent component of asthma. Accordingly, the National Institutes of Health (NIH) guidelines for the diagnosis and management of asthma strongly recommend long term anti-inflammatory therapies, such as oral or inhaled corticosteroids, to reverse airway inflammation in an effort to prevent irreversible airway damage, termed "airway remodeling". The medical community has expressed the need for more objective and noninvasive measures of airway inflammation for diagnosing asthma and monitoring the effectiveness and compliance of anti-inflammatory therapies. The clinical research plan is designed to evaluate airway inflammation associated with asthma. In this human subjects study, a non-invasive exhaled breath analysis sensor, called the Breathmeter, will be used to measure eNO concentrations in children and adults (ages 4-65) with a broad range of respiratory disorders as well as those with no known respiratory disorders. Breath donations will be simple and straightforward presenting little to no discomfort to volunteers.