The Impact of Delayed Diagnosis of Alpha-1 Antitrypsin Deficiency

The objective of this study is to prospectively assess whether there is any interval between first symptom and initial diagnosis that is experienced by patients with newly diagnosed alpha-1 antitrypsin deficiency (AATD) and then to assess whether this diagnostic interval is associated with worsened clinical status at the time of initial diagnosis. Status: Recruitment Closed Identifier:NCT03039335