The goal of this clinical trial is to learn if extended post-operative oral tranexamic acid (TXA) - a medication that reduces bleeding by slowing the breakdown of blood clots - can improve functional recovery following surgery in adults undergoing primary total knee or hip arthroplasty for osteoarthritis. The main question it aims to answer is: Does extended post-operative oral TXA improve functional outcomes at 6 weeks post-operatively compared to standard perioperative TXA alone? Researchers will compare patients receiving extended oral TXA to patients receiving matching placebo capsules on the same schedule to see if the extended TXA regimen reduces blood loss, improves early functional outcomes, and reduces pain without increasing complication rates. Participants will receive standard perioperative oral TXA (1.95 g) prior to surgical incision, along with standard VTE prophylaxis. They will be randomly assigned to receive either oral TXA or matching placebo capsules once daily on post-operative days 1, 2, and 3. Participants will attend follow-up visits at 2, 6, and 12 weeks post-operatively to complete functional outcome questionnaires, pain assessments, and - for knee replacement patients - range of motion measurements.
Age range
18 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
6-week Knee injury and Osteoarthritis Outcome Score for Joint Replacement (KOOS JR) or Hip injury and Osteoarthritis Outcome Score for Joint Replacement (HOOS JR) score
Timeframe: At 6 weeks from timing of surgical intervention