Comparison of aspirin for the prevention of venous thrombosis after knee and pelvic orthoplasty

Comparison of low and high dose aspirin in prevention of venous thromboembolism after hip and knee arthroplasty

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200118046174N2

Enrollment

540

Registered

2021-01-09

Start date

2020-05-21

Completion date

Unknown

Last updated

2021-02-22

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

Conditions

deep vein thrombosis. Acute embolism and thrombosis of deep veins of lower extremity

Interventions

Intervention 1: Intervention group: patients who underwent total knee or hip arthroplasty receive 80 mg aspirin twice a day for 4-6 weeks. Intervention 2: Intervention group2 : patients who underwent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: patients candidate for hip and knee arthroplasty

Exclusion criteria

Exclusion criteria: liver dysfunction any contrandication for anticoagulant therapy indication for enoxaparin therapy as anticoagulant history of deep vein thrombosis active cancer

Design outcomes

Primary

Measure	Time frame
Pulmonary thromboembolism. Timepoint: operative day, 6 weeks after surgery. Method of measurement: physical examination and history.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Mohammad Rastegar

Tehran University of Medical Sciences

Drmrastegar2342@gmail.com+98 21 6312 1417

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026