Underdosed non-vitamin K antagonist oral anticoagulants in very elderly patients with atrial fibrillatoin

Underdosed non-vitamin K antagonist oral anticoagulants in very elderly patients with atrial fibrillatoin - UNOAC-VEAF

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300076161

Enrollment

Unknown

Registered

2023-09-26

Start date

2023-10-01

Completion date

Unknown

Last updated

2023-10-03

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

Conditions

atrial fibrillation

Interventions

nonrecommended low dosing NOAC group:None

recommended dosing NOAC group:None

Eligibility

Sex/Gender

All

Age

80 Years to 110 Years

Inclusion criteria

Inclusion criteria: Eligibility criteria (Patients had to meet all of the following criteria to be eligible) : ? age =80 years old; ? Non-valvular atrial fibrillation (NVAF) diagnosed in hospital records, including newly diagnosed and previously diagnosed; ? receiving NOAC treatment; ? hospitalized patients; ? signed informed consent form.

Exclusion criteria

Exclusion criteria: Exclusion Criteria (patients were excluded if they met any of the following criteria) : ? Valvular atrial fibrillation (after mechanical valve implantation and moderate to severe mitral valve stenosis) ? NOAC=3d; ? life expectancy less than one year; ? Refusal to sign informed consent.

Design outcomes

Primary

Measure	Time frame
all-cause mortality;massive haemorrhage;stroke;system embolism;	—

Secondary

Measure	Time frame
NOAC be changed;NOAC withdrawal;Dose adjustment of NOAC;	—

Countries

china

Contacts

Public ContactJun-Peng Liu

Beijing Hospital

ebull2000@163.com+86 138 1032 3577

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 9, 2026