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24 studies
Recruiting now, in plain language. Every study is watched over by an independent ethics board.
- COPD (chronic lung disease)
Genetic Variation in IgG in Alpha 1 Antitrypsin Deficiency
Testing how a genetic change in alpha-1 antitrypsin affects immune and lung responses to a pneumonia
📍 University of Alabama at Birmingham · Birmingham, AL · Get directions →
The goal of this study is to learn whether patients who have a genetic mutation in the genes that cause alpha 1 antitrypsin deficiency also have genetic variation in nearby genes that can increase risk for reduced immune function and respiratory infections. To investigate this hypothesis, we will compare immune responses to the 20-valent pneumococcal conjugate vaccine (PCV20, Pfizer) between participants who have one abnormal copy of the SERPINA1 gene and either no COPD exacerbations, vs those with 2 or more COPD exacerbations in the past year.
- COPD (chronic lung disease)Asthma
The Effects of Positive Airway Pressure on the Mucolytic Effects of NAC (TEAM)
Testing whether positive airway pressure helps a lung medicine (NAC) reach mucus plugs in asthma or
📍 UCSF Airway Clinical Research Center · San Francisco, CA · Get directions →
The goal of this clinical trial is to determine if positive pressure during inspiration will improve penetration of aerosolized N-Acetylcysteine (NAC) into airway mucus plugs in the lungs of patients with asthma or Chronic Obstructive Pulmonary Disease (COPD). The main questions it aims to answer are: * Does delivery of aerosolized NAC with positive inspiratory pressure have a greater effect on mucus plug burden in the lungs than delivery of NAC without positive pressure.
- Asthma
Mechanism(s) of Airflow Limitation During Exacerbation of Asthma
Studying what causes breathing out to get harder during asthma flare-ups
📍 Arthur F Gelb Medical Corporation · Lakewood, CA · Get directions →
The purpose of this study is to evaluate the site and mechanisms responsible for expiratory airflow limitation in chronic, treated, non-smoking, stable asthmatics with moderate to severe persistent expiratory airflow obstruction. Treatment will include inhaled corticosteroids and long acting beta2agonists.
- Asthma
45th Multicenter Airway Research Collaboration
Testing an emergency department treatment to prevent asthma attacks from coming back
📍 MetroHealth · Cleveland, OH · Get directions →
The study is a randomized controlled trial on the effect of emergency department initiation of Airsupra on acute asthma "recurrence" at 3 months and other related outcomes (acute asthma relapse, asthma control).
- Asthma
Leveraging Pharmacogenomics in Asthma for Predication, Mechanism and Endotyping
Testing a new way to match asthma patients to biologic treatments using genetic and lab measures
📍 Mayo Clinic · Scottsdale, AZ · +2 more US sites · Get directions →
In this study, a new method will be used to evaluate response to 2 approved biologic therapies, and assess how well each patient responds to each asthma treatment. This study will measure the response to these treatments using genomic and biologic measurements obtained from participants biosamples.
- Asthma
CHEST: A Collaboration With Community HEalth Centers to Implement SmarT for Asthma
Helping community health clinic clinicians prescribe recommended asthma care
📍 Affinia healthcare, 2220 Lemp Ave · St Louis, MO · +6 more US sites · Get directions →
Purpose: This study aims to improve asthma care by helping clinicians at community health centers prescribe a guideline-recommended treatment called SMART (Single Maintenance and Reliever Therapy). The investigators will provide training and resources to clinicians, give feedback on prescribing patterns, and offer educational tools for patients and providers.
- Sickle cell disease
Prophylactic Transfusion In Pregnant in Women With Sickle Cell Disease
Testing whether routine red blood cell transfusions in pregnancy reduce sickle cell flare-ups or
📍 Grady Health System · Atlanta, GA · Get directions →
The goal of this study is to determine if there is a positive effect of prophylactic red blood cell (RBC) transfusion of leukoreduced, ABO, Rh (D/Cc/Ee) and Kell matched blood compared to standard of care on the number of episodes of acute sickle cell disease (SCD) manifestations or pregnancy-related complications requiring acute health care encounters (acute care/ER/Hospital visits) or resulting in death over the entirety of pregnancy until 2 months post-partum in women with SCD. RBC transfusion is the only disease-modifying therapy for pregnant women with SCD, and it is considered a standard treatment option however, there exists no consensus on the role of transfusion therapy in preventing SCD-related pregnancy complications.
- COPD (chronic lung disease)💵 May compensate
Effect of the Inhaled Triple Therapies Over the Small Airway in Biomass Exposure
Comparing inhaled triple versus double medicines for COPD lung airways after wood smoke exposure
📍 Insituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas" · Mexico City, Tlalpan · Get directions →
This phase IV randomized controlled clinical trial intend to compare the effect of three close standard inhaled triple therapies and one close standard inhaled double therapy on the small airway in patients with Chronic Obstructive Pulmonary Disease (COPD-B) and chronic bronchitis without obstruction (BCNO) exposed to wood smoke. The treatment phase duration is of 3 months.
- COPD (chronic lung disease)
Compare the Effects of Nebulizer Versus Inhaler Based Therapy for COPD Using Long-acting Bronchodilators
Comparing nebulizer and inhaler treatments for COPD symptoms
📍 The University of Tennessee Graduate School of Medicine · Knoxville, TN · Get directions →
The purpose of this study is to compare the effectiveness of inhaled bronchodilators delivered via nebulizers vs. dry powder inhalers (DPIs) in symptomatic participants with Chronic Obstructive Pulmonary Disease (COPD) who have airflow obstruction (FEV1/FVC ≤ 70%) and show significant air trapping (RV ≥ 120% of predicted).
- Asthma
Ventilation and Perfusion in Asthmatics
Testing how inhaled asthma medicines change breathing and blood flow in adults
📍 University of Miami - Converge Miami · Miami, FL · Get directions →
Assess regional changes to perfusion and ventilation from inhaled corticosteroid (ICS) and Fast-acting beta-antagonist (FABA) among adult asthmatics using radiographically derived estimates of regional ventilation (V-distribution), ventilation defect percentage (VDP), and ventilation heterogeneity (VH).
- Sickle cell disease
Effectiveness of Nontraditional Hydroxyurea Algorithms: Novel and Clinical Evaluations (ENHANCE)
Testing different ways to use hydroxyurea for treating sickle cell anemia
📍 Cincinnati Children's Hospital Medical Center · Cincinnati, OH · Get directions →
The main reason for this research study is to learn more about hydroxyurea and the treatment of sickle cell anemia (SCA). Hydroxyurea is a medication that has been studied for many years and has been shown to provide benefits for people with SCA.
- Sickle cell disease
Clinical and Biomarker Effects of Depot Medroxyprogesterone Acetate in Females With Sickle Cell Disease
Testing an injectable birth control shot to reduce pain in women with sickle cell disease
📍 Emory University · Atlanta, GA · +1 more US site · Get directions →
This research is being conducted to see if using an injectable contraception, Depot Medroxyprogesterone Acetate (Depo-Provera), can reduce the pain experienced by women with sickle cell disease. Participants in this study will be adult women with sickle cell disease who regularly experience sickle cell pain.
- Obesity / overweightType 2 diabetesHeart / cardiovascular disease
Pioglitazone on Heart Failure in Type-2 Diabetes Mellitus Participants
Testing the diabetes medicine pioglitazone in people with type 2 diabetes, obesity, and heart
📍 Texas Diabetes Institute/UH · San Antonio, TX · Get directions →
Our goal of the study is to learn the effects of the diabetes medication named Pioglitazone, in type-2 diabetic obese participants with Heart failure. The main question it aims to answer are: 1.
- Asthma
Sensory-Mechanical Responses to Eucapneic Voluntary Hyperventilation and Mannitol
Testing how breathing tests and mannitol affect cough-related airway reactions in people with asthma
📍 Kingston Health Sciences Centre · Kingston, Ontario · Get directions →
The objectives of this study are to determine the sensory-mechanical responses to Eucapneic Voluntary Hyperventilation (EVH) and Mannitol in individuals with cough variant asthma (CVA) and methacholine-induced cough with normal airway sensitivity (COUGH) and compare these responses to a control group of healthy individuals without asthma or chronic cough. We hypothesize: 1.
- Heart / cardiovascular diseaseDementia / Alzheimer's
Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults
Testing whether lowering cholesterol in older adults affects heart and memory outcomes
📍 University of Alabama at Birmingham · Birmingham, AL · +37 more US sites · Get directions →
PREVENTABLE is a multi-center, randomized, parallel group, placebo-controlled superiority study. Participants will be randomized 1:1 to atorvastatin 40 mg or placebo.
- Asthma
Viral Infection in Asthma (VIA) Study
Testing whether dupilumab can prevent asthma symptom worsening after a cold virus exposure
📍 University of Virginia · Charlottesville, VA · Get directions →
Often when people with asthma get a virus caused by the common cold (rhinovirus), they also experience an increase or worsening of their asthma symptoms. The purpose of this study is to see if the study medication dupilumab helps prevent those with mild to moderate asthma from having increased asthma symptoms, after being exposed to an experimental rhinovirus inoculation.
- COPD (chronic lung disease)💵 May compensate
Feasibility, Safety and Efficacy of Nebulized Long-Acting Bronchodilators (Formoterol and Revefenacin) vs. Short-Acting Bronchodilators (Albuterol and Ipratropium) in Hospitalized Patients With AECOPD
Testing nebulized long-acting breathing medicines vs usual short-acting ones in hospitalized COPD
📍 University of Tennessee Medical Center · Knoxville, TN · Get directions →
The purpose of this study is to assess the feasibility, safety and efficacy of a combination of nebulized Formoterol and Revefenacin among patients hospitalized for AECOPD compared with standard-of-care therapy with nebulized Albuterol and Ipratropium.
- Sickle cell disease
Rollover Study for Patients With Sickle Cell Disease Who Have Completed a Prior Novartis-Sponsored Crizanlizumab Study
Study allowing people with sickle cell disease who finished a prior treatment study to keep getting
📍 University Of Alabama · Birmingham, AL · +6 more US sites · Get directions →
This is a multi-center multi-national rollover study to allow continued access to crizanlizumab for patients with sickle cell disease (SCD) who are on crizanlizumab treatment in a Novartis-sponsored study (parent study) and are benefiting from the treatment as judged by the investigator.
- Asthma
Measuring the Effect of Dupilumab Treatment on Mucociliary Clearance (MCC) in Subjects With Moderate to Severe Asthma
Testing how dupilumab or placebo changes mucus-clearing in people with moderate to severe asthma
📍 The University of Pittsburgh Asthma Institute at UPMC · Pittsburgh, PA · Get directions →
Single center, randomized, placebo- controlled study to assess change in mucociliary clearance of moderate to severe asthma patients after treatment with dupilumab or placebo.
- Type 2 diabetesHeart / cardiovascular disease
Effect of Tirzepatide on Progression of Coronary Atherosclerosis Using MDCT
Testing tirzepatide to see if it slows plaque buildup in heart arteries in people with type 2
📍 Lundquist Institute for Biomedical Innovation at Harbor UCLA Medical Center (The Lundquist Institute) · Torrance, CA · Get directions →
A multi-center, randomized, double-blind, placebo-controlled, parallel-group phase IV Study evaluating the effects of tirzepatide on atherosclerotic plaque progression assessed by coronary computed tomography angiography (CCTA) in participants with a diagnosis of type II Diabetes (T2DM) and atherosclerosis.
- COPD (chronic lung disease)
Bronchodilators and Lung Mechanics During Exercise in COPD
Studying how breathing medicines affect lung function during exercise in people with COPD
📍 Respiratory Investigation Unit, Kingston Health Sciences Center · Kingston, Ontario · Get directions →
Bronchodilators are medications that open the bronchi to help patients with COPD to breathe better. It is still not known exactly how this effect improves shortness of breath in people with COPD.
- Asthma
Therapeutic Relevance of Abnormal Airway Morphology in Asthma
Studying how abnormal airway shape in asthma relates to symptoms and attacks
📍 St. Joseph's Healthcare Hamilton · Hamilton, Ontario · Get directions →
Most individuals with asthma can effectively manage their symptoms and maintain normal lung function using inhaled medications, unfortunately, there is a subset of asthma sufferers whose symptoms, lung function, and risk of asthma attacks remain unimproved despite conventional inhaled medications. There could be several reasons for this.
- Asthma
Individualizing Treatment for Asthma in Primary Care (Full Study)
Testing how to personalize asthma treatment in primary care
📍 DARTNet Institute · Aurora, CO · +12 more US sites · Get directions →
While asthma therapy is becoming more individualized based on asthma phenotypes, more research is needed to tailor newer therapies to individuals. Inhaled corticosteroid (ICS) medications are the foundation of care for all individuals with persistent asthma.
- COPD (chronic lung disease)
A Study to Investigate Airway Inflammation With Dupilumab Subcutaneously in Participants Aged ≥40 to ≤85 Years With Chronic Obstructive Pulmonary Disease.
Testing dupilumab for airway inflammation in older adults with COPD
📍 University of Alabama at Birmingham - School of Medicine- Site Number : 8400003 · Birmingham, AL · +9 more US sites · Get directions →
LPS18583 is a multinational, randomized, double-blind, placebo-controlled, parallel-group, Phase 4 study with 2 treatment groups. The purpose of this study is to assess the effect of dupilumab compared with placebo on airway inflammation, resistance, and remodeling including mucus plugging and its association with improvement on lung function, exacerbations, and quality of life improvement in participants aged 40 years of age up to 85 years of age (inclusive).