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RecruitingNCT05178277Updated Jan 5, 2022

Czech AATD Registry

An observational study in Alpha-1-antitrypsin Deficiency, sponsored by Thomayer University Hospital. Recruiting at 1 site in Czechia. Per ClinicalTrials.gov, last updated 2022-01-05.

Sponsored by Thomayer University Hospital · Observational

From the registry’s dates

  • Started Jan 2018; still recruiting 8 years 10 months later.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
300
Sex
All
01

Study summary

Alpha-1-antitrypsin deficiency is the most common congenital disease of the respiratory system, leading to early pulmonary emphysema or bronchiectasis. Pulmonary involvement significantly accelerates active cigarette smoking. Patients with alpha-1-antitrypsin deficiency may also have liver cirrhosis, vasculitis, skin or intestinal disorders.

The AATD Registry is a non-interventional multicenter retrospective prospective longitudinal follow-up of patients with alpha-1-antitrypsin deficiency.

The aim of the AATD National Registry is to collect and analyze clinical data in patients with alpha-1 antitrypsin deficiency.

Read the detailed description

Alpha-1 antitrypsin deficiency is a genetic disorder that may result in lung disease or liver disease. It is assume that it affects 1 person from a cohort of 2,000-5,000 people of the general population. Among patients with COPD, the incidence of the disorder is significantly higher. The prognosis of these patients is incomparably worse compared to classic COPD, because it affects younger patients and the rate of lung tissue loss is faster. The diagnosis is made in patients with pre-existing COPD by examination of the plasma concentration of AAT. In case of its reduction, genetic examination is added. The progression of the disease is rapid and has been shown to be slowed by lifelong augmentation treatment with human AAT. However, in routine clinical practice, it is very difficult to assess the effectiveness of treatment, the progression of lung disease or the prognosis of the disease.

The AATD registry is a non-interventional multicenter retrospective prospective longitudinal follow-up of patients with alpha-1-antitrypsin deficiency. The national registry collects data from all patients with severe or rare AAT deficiency, regardless of the type of organ impairment and age, and thus provides a view of this genetic variation in the Czech population.

The aim of the AATD Registry is to collect and analyse clinical data of patients with alpha-1 antitrypsin deficiency and increase the professional awareness of this hereditary disease.

02

Conditions studied

  • Alpha-1-antitrypsin Deficiency

Keywords

  • Alpha-1-antitrypsin deficiency
  • AATD
  • national registry
03

In context

alpha 1-Antitrypsin Deficiency

142 studies on the registry are indexed under alpha 1-Antitrypsin Deficiency; 32 are open to participants now.

This study's planned enrollment of 300 is above the median of 160 across 46 observational studies indexed under alpha 1-Antitrypsin Deficiency.

Browse alpha 1-Antitrypsin Deficiency studies →

Lead sponsor

Thomayer University Hospital is the lead sponsor of 5 studies on the registry; 1 is open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

Patients with alpha-1-antitrypsin deficiency

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Patients with alpha-1-antitrypsin deficiency

Exclusion criteria

Exclusion Criteria:

  • Patient disagreement with inclusion in the study
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
300 participants (estimated)
Target follow-up
20 Years
Patient registry
Yes
06

What researchers measure

Primary outcomes

  1. Changes of lung function parameters over time

    assessement of the rate of decline of FEV1 (ml, %predicted), measured annually

    Time frame: within one year after completion

  2. Changes of exercise tolerance tolerance over time

    assessment of changes of peak oxygen consumption (peakVO2, ml/kg/min) measured every two years

    Time frame: within one year after completion

  3. Changes of respiratory function over time

    assessement of the rate of decline of TLco (mol/min/kPa, %predicted), measured annually

    Time frame: within one year after completion

  4. Changes of quality of life over time

    assessement of the rate of decline of COPD assessment test (CAT, points), measured annually

    Time frame: within one year after completion

  5. Relationship of pulmonary function and lung CT densitometry to better determine phenotypes of COPD due to AAT deficiency

    Assessement of any possible relationship of primary outcomes 1-3 using LAA (low attenuation area, %) and distribution of emphysema (craniocaudal distribution of emhysema, points)

    Time frame: within one year after completion

Secondary outcomes

  1. Behavior of individuals with no or minimal lung involvement

    Assessement of prognosis of deficient non-smokers by monitoring primary outcome parameters 1-3

    Time frame: within one year after completion

  2. Progression of other organ disorders, namely liver

    Laboratory detection of changes in liver tests (ALT, AST, ALP, GGT, ukat/l)

    Time frame: within one year after completion

07

Study locations

1 of 1 sites recruiting
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 5, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT05178277
Lead sponsor
Thomayer University Hospital
Collaborators
Masaryk University
Responsible party
Jan Chlumsky, M.D. (Principal Investigator, Thomayer University Hospital) — Principal investigator
First posted
Jan 5, 2022
Start date
Jan 1, 2018
Primary completion
Dec 31, 2033 (estimated)
Completion
Dec 31, 2035 (estimated)
Last update
Jan 5, 2022

Study contacts

Katerina Kusalova, Ing
Contact
kusalova@biostatistika.cz
+420723949465
Jan MD Chlumsky, PhD
principal investigator · Thomayer University Hospital

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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