Randomized Controlled Trial of Tranexamic Acid in Total Knee Arthroplasty: Intravenous vs. Topical


About this study

The purpose of this study is to determine whether topical or intravenous administration of tranexamic acid during unilateral total knee replacement is more effective at reducing bleeding in the first 24 hours following surgery. Tranexamic acid is a synthetic drug that has been shown to reduce blood drain output and the need for blood transfusions in both its topical and intravenous forms and is commonly used in orthopedic surgery. We hypothesize that IV and topical administration of tranexamic acid will be equally good at reducing the loss of blood and the need for transfusion immediately following total knee replacement.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Primary total knee replacmeent
  • Osteoarthritis
  • Unilateral

Exclusion Criteria:

  • Revision surgery
  • Donated preoperative autologous blood
  • On chronic anticoagulation medication such as Coumadin, Xarelto, Plavix, or Aspirin (other than 81mg)
  • Preoperative hepatic or renal dysfunction
  • Diagnosis of inflammatory disease
  • Diagnosis of inflammatory arthritis
  • Pregnant
  • Breastfeeding
  • Preoperative hemoglobin <10g/dL
  • International Normalized Ratio>1.4
  • Abnormal Partial Thromboplastin Time
  • Preoperative platelet count of <150,000mm^3
  • Creatinine > 1.4

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status

Rochester, Minn.

Mayo Clinic principal investigator

Matthew Abdel, M.D.

Closed for enrollment

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