Study of Genotype and Phenotype in Patients With Alpha 1-Antitrypsin Deficiency
Sponsor: National Center for Research Resources (NCRR)
Terminated
This trial was terminated. No reason was provided.
A observational or N/A phase clinical study on Alpha 1-Antitrypsin Deficiency, this trial is terminated or withdrawn. The trial is conducted by National Center for Research Resources (NCRR) and has accumulated 8 data snapshots since 1999. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Study Description(click to expand)PROTOCOL OUTLINE:
Patients undergo blood draw and skin biopsy. Cells are isolated from patients' blood and skin, cell lines are established, and genetic traits are examined.
PROTOCOL OUTLINE:
Patients undergo blood draw and skin biopsy. Cells are isolated from patients' blood and skin, cell lines are established, and genetic traits are examined.
Status Flow
Change History
8 versions recorded-
Jan 2026 — Present [monthly]
Terminated
-
Sep 2024 — Present [monthly]
Terminated
-
Jul 2024 — Sep 2024 [monthly]
Terminated
-
Jan 2021 — Jul 2024 [monthly]
Terminated
-
Jun 2018 — Jan 2021 [monthly]
Terminated
▶ Show 3 earlier versions
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Apr 2018 — Jun 2018 [monthly]
Terminated
Phase: NA → None
-
Feb 2018 — Apr 2018 [monthly]
Terminated NA
-
Jan 2017 — Feb 2018 [monthly]
Terminated NA
First recorded
Mar 1999
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- National Center for Research Resources (NCRR)
- University of Pittsburgh
For direct contact, visit the study record on ClinicalTrials.gov .