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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04543461
Other study ID # IRB00236497
Secondary ID U01HL146408
Status Recruiting
Phase
First received
Last updated
Start date October 29, 2021
Est. completion date September 2026

Study information

Verified date June 2024
Source Johns Hopkins University
Contact Elizabeth Sugar, PhD
Phone 443-287-3170
Email esugar2@jhu.edu
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The ALA-LHC is a longitudinal, multi-center cohort study that will enroll approximately 4,000 young adults between the ages of 25-35 who do not have severe lung disease. The overarching objective of the ALA-LHC is to establish a national cohort of young adults for the purpose of defining lung health and developing targets to intercept chronic lung disease at its earliest stages.


Description:

The scientific goal of the study is to establish the relationship between a variety of factors (lifetime environmental exposures, fitness and physical activity, biomarkers, nasal respiratory epithelial transcriptome) and ideal versus impaired peak lung health (reserve and markers of susceptibility in investigators' model) in young adulthood. In addition to the initial baseline assessment, remote contacts (e.g., via text message, email, mail, or phone) at regular intervals will allow for both the retention of the participants as well as the collection of additional short-term follow-up information, i.e., within 4.5 years of enrollment. If additional funding becomes available, investigators will extend the study for an additional period of time to study factors related to long-term changes in lung health over time, i.e., at 5 years and beyond. Recruitment of participants will be conducted by the participating study sites along with national and regional efforts from the American Lung Association. Recruitment efforts will be supported by the study web site www.lung.org/lung-study


Recruitment information / eligibility

Status Recruiting
Enrollment 4000
Est. completion date September 2026
Est. primary completion date September 2026
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 25 Years to 35 Years
Eligibility Inclusion Criteria: 1- Age 25-35 years at the time of the baseline examination 2- Able to read and understand English or Spanish 3 -Has a social security number 4- Resident (citizen or non-citizen) of the United States (US) for at least 12 months prior to examination. Note: Individuals who are residents of the US who have temporarily spent time living outside of the US during the last 12 months (e.g., student exchange program, military posting) are eligible for participation. 5- Willing to provide contact information for at least 2 proxies who are likely to know the whereabouts and vital status of the participant Exclusion Criteria: 1. Severe asthma, which is defined as any of the following: 1. Current (i.e. at the time of the visit) GINA Step 4 or higher therapy (medium dose ICS/LABA or high dose ICS or add-on LAMA; Medium dose = >250 fluticasone, propionate =100 fluticasone furoate, >200 beclomethasone, >400 budesonide, >220 mometasone). We will accept low-dose ICS/LABA or medium dose ICS. OR 2. 3 or more unscheduled healthcare visits (provider/urgent care/ER) for asthma in the past 12 months OR 3. One asthma hospitalization in the past 12 months 2. History of any chronic lung disease other than asthma including but not limited to COPD, cystic fibrosis, pulmonary fibrosis, pulmonary hypertension 3. Current pregnancy 4. History of cancer other than non-melanoma skin cancer 5. Diagnosed cardiovascular diseases (i.e., congenital heart disease, coronary heart disease) 6. Inability to comply with study procedures, including 1. Inability or unwillingness to provide informed consent 2. Inability to perform study measurements 3. Inability to be contacted by phone (via calls and/or text messaging) or email 7. Any condition in the opinion of the physician that puts the participant at risk by participating in the study (e.g., serious respiratory illness requiring antibiotics or steroids or severe fever at the time of the study visit). 8. Institutionalization

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States University of Michigan Ann Arbor Michigan
United States University of Colorado Aurora Colorado
United States Johns Hopkins University Baltimore Maryland
United States University Of Alabama Birmingham Alabama
United States Brigham and Women's Boston Massachusetts
United States Presbyterian Brooklyn Methodist Hospital Brooklyn New York
United States University of North Carolina Hospital Chapel Hill North Carolina
United States Medical University of South Carolina Charleston South Carolina
United States Northwestern University Chicago Illinois
United States Rush Universtiy Chicago Illinois
United States University of Chicago Chicago Illinois
United States University of Illinois at Chicago Chicago Illinois
United States University of Vermont Colchester Vermont
United States Ohio State University Columbus Ohio
United States National Jewish Health Denver Colorado
United States Duke University Durham North Carolina
United States New York Medical College Hawthorne New York
United States Baylor College of Medicine Houston Texas
United States St. Vincent's Health System Indianapolis Indiana
United States University of Iowa Iowa City Iowa
United States Nemours Children's Jacksonville Jacksonville Florida
United States University of Florida, Jacksonville Jacksonville Florida
United States University of Kansas Kansas City Kansas
United States University of California, Los Angeles Los Angeles California
United States University of Wisconsin Madison Madison Wisconsin
United States Vanderbilt University Medical Center Nashville Tennessee
United States Columbia University New York New York
United States Cornell University New York New York
United States Mt. Sinai, NYC New York New York
United States New York University New York New York
United States Temple University Philadelphia Pennsylvania
United States University of Pittsburg-Emphysema/COPD Research Center Pittsburgh Pennsylvania
United States University of Rochester Rochester New York
United States University of California, San Francisco San Francisco California
United States University of Washington Seattle Washington
United States University of Arizona-Tuscon Tucson Arizona
United States Wake Forest School of Medicine Winston-Salem North Carolina

Sponsors (4)

Lead Sponsor Collaborator
Johns Hopkins University American Lung Association, National Heart, Lung, and Blood Institute (NHLBI), Stanford University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Pre-bronchodilator measurement of Forced Expiratory Volume in one second (FEV1) Pre-bronchodilator measurements of FEV1 to determine bronchoconstriction. FEV1 is measured in liters of air. Severity of bronchoconstriction is based on predicted values published by National Health and Nutrition Examination Survey (NHANES III hankinson) for height, weight and age. Predicted values are reported as percent predicted with a result of 80% or greater considered normal Baseline
Primary Pre-bronchodilator measurements of Forced Vital Capacity (FVC) Pre-bronchodilator measurements FVC to determine lung volume. FVC is measured in liters of air. Participants predicted vital lung capacity is based on values published by National Health and Nutrition Examination Survey (NHANES III hankinson) for height, weight and age. Predicted values are reported as percent predicted with a result of 80% or greater considered normal Baseline
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