Clinical and Laboratory Features of 123 Patients with Factor XII Deficiency: Results from Thailand

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20250703003

Enrollment

150

Registered

2025-07-03

Start date

2007-01-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

FXII deficiency Factor XII deficiency, Clinical

Interventions

Patients who have already been confirmed to have Factor XII deficiency.

Diagnostic

Factor XII deficiency patients

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients with documented FXII activity <50%

Exclusion criteria

Exclusion criteria: Patients who have missing data on clinical baseline characteristics

Design outcomes

Primary

Measure	Time frame
Factor XII activity level At baseline (retrospective data collection point) Actin FS. Manufacturer, Siemens	—

Secondary

Measure	Time frame
age, sex, etiology, aPTT level At baseline (retrospective data collection point) medical records	—

Countries

Thailand

Contacts

Public ContactNatthaporn Sasijareonrat

Department of Medicine, BMA general hospital

lee_oil@hotmail.com0870625452

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026