Alpha-1 Antitrypsin Disease Cohort: Longitudinal Biomarker Study of Disease (A1BC)
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- STATUS
- Recruiting
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- End date
- Feb 28, 2026
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- participants needed
- 270
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- sponsor
- Columbia University
Summary
Alpha-1 Anti-trypsin Deficiency (AATD) is a genetic disease with lung and liver disease presentations. The purpose of this study is to examine the density of the lung as measured by chest computed tomography (CT) and determine if existing emphysema predicts changes in the rate of subsequent emphysema or changes in CT, serum or plasma biomarkers of interest. The overarching goal is to develop biomarkers that can be used in interventional trials since lung function changes do not typically inform disease progression in AATD.
Description
Progression of lung disease in patients with Alpha-1 Anti-trypsin deficiency is variable and while some patients may have stable lung function over many years, some progress and deteriorate rapidly. Currently there are no predictors that would help identify patient at risk of rapid deterioration. The aim of this study is to identify markers and features in CT imaging that may allow identification of these patients early before deterioration. To achieve this, the study will follow a cohort of patients with confirmed Alpha-1 Anti-trypsin deficiency and lung disease and measure a number of biomarkers in blood and sputum and obtain high resolution CT scans at baseline and again three years later. If the study is able to determine markers that allow the identification of patients at risk early, the investigator may be able to study early interventions in later studies and possibly find ways to avoid serious complications. Patients will be followed longitudinally to assess deterioration of lung function.
Study procedures include: Review of medical history and medication history, blood draw, complete Pulmonary Function Test (PFT), induced sputum (at some sites), completion of questionnaires and CT Chest scan. All of the mentioned procedures above will be performed on enrollment and repeated at 18 months and 36 months, with the exception of monthly Alpha- net exacerbation questionnaires.
Details
| Condition | Alpha 1-Antitrypsin Deficiency, Genetic Disease |
|---|---|
| Clinical Study Identifier | NCT05297812 |
| Sponsor | Columbia University |
| Last Modified on | 4 October 2022 |
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