The Effects of Intraoperative Tranexamic Acid on Perioperative Bleeding In Craniotomies

S

Stephen Lownie

Status and phase

Enrolling
Phase 3

Conditions

Brain Tumor
Bleeding

Treatments

Other: Placebo
Drug: TRANEXAMIC ACID 1 G in 10 mL INTRAVENOUS INJECTION, SOLUTION

Study type

Interventional

Funder types

Other

Identifiers

NCT06229483
TXA-2024-01

Details and patient eligibility

About

The goal of this clinical trial is to test the effect of a drug called tranexamic acid (TXA) on reducing blood loss in participants undergoing surgery to remove brain tumors. The main questions it aims to answer are: 1. Does TXA 20 mg/kg IV bolus of TXA, and 1 mg/kg/hr infusion of TXA reduce the amount of estimated blood loss during surgery? 2. Does TXA 20 mg/kg IV bolus of TXA, and 1 mg/kg/hr infusion of TXA prevent re-operation, disability or death related to bleeding inside the head during and after surgery? Participants are randomized to receive 20 mg/kg IV bolus of TXA or matching placebo within 30 minutes of start of surger, and then 1 mg/kg/hr infusion of TXA or matching from the start of surgery to end of surgery. Treatment allocation is blinded. Investigator will compare the two treatment arms to see whether there are differences in the amount of blood loss during surgery and bleeding-related complications. Investigators will also monitor for any side effects of TXA.

Full description

Excessive blood loss during and after a neurosurgical procedure may increase illness and cause death. The surgeons and their team put in a lot of effort during surgery to and prevent excessive bleeding during and after surgery. One of the medications that may help is tranexamic acid (TXA). TXA is a medication that is widely used in cardiac, orthopedic and trauma surgery to prevent heavy bleeding, the need for blood transfusion and reduce death. During neurosurgery, there is not enough proof whether giving TXA to participants reduces blood loss, and there are no clear guidelines regarding the use of TXA. Investigators are interested in studying the effect of TXA on blood loss in participants undergoing craniotomy to remove a brain tumor. A craniotomy is an operation where a piece of the skull is removed to show part of the brain to remove a brain tumor. One of the risks associated with this procedure is bleeding. Currently, some participants undergoing this type of surgery receive TXA and others do not, as the decision to administer TXA is based on an investigator's preference. Therefore, a study investigating the impact of TXA on bleeding during or following craniotomy, as well as its safety, is needed to better inform practice and potentially improve outcomes of surgery.

Enrollment

102 estimated patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria are the following:

  1. Adult male or female, between 18-80 years of age.
  2. Patients are scheduled to undergo a craniotomy for tumor resection.
  3. Patients/ Substitute Decision Maker have given written consent to participate.

Exclusion Criteria are the following: Patients who meet any of the following exclusion criteria will not be eligible.

  1. Patients with known active or previous history of thromboembolic disease or deep venous thrombosis.
  2. Patients with known pre-existing coagulopathy such as hemophilia, Von Willebrand disease, and clotting factor deficiencies.
  3. Patients with renal impairment and eGFR <60 ml/min/1.73 m2 as determined by the lab or calculated by using the Cockcroft Gault formula or end stage renal disease currently on dialysis.
  4. Female subjects who are pregnant or currently breastfeeding.
  5. Patients with Class 3 (high-risk) obesity BMI ≥ to 40.
  6. Patients undergoing emergency craniotomy or mini craniotomy or craniectomies.
  7. Patients who received embolization prior to surgery.

Trial design

Primary purpose

Prevention

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

102 participants in 2 patient groups, including a placebo group

Tranexamic Acid
Experimental group
Description:
Participants will be randomized in a 1:1 ratio to receive tranexamic acid 20 mg/kg IV bolus or identical volume of placebo 0.9 % NaCl within 30 minutes prior to the skin incision followed by a 1 mg/kg/hr infusion of TXA, or identical volume of placebo 0.9 % NaCl, for the duration of surgery. Treatment is blinded.
Treatment:
Drug: TRANEXAMIC ACID 1 G in 10 mL INTRAVENOUS INJECTION, SOLUTION
Matching Placebo
Placebo Comparator group
Description:
Participants will be randomized in a 1:1 ratio to receive tranexamic acid 20 mg/kg IV bolus or identical volume of placebo 0.9 % NaCl within 30 minutes prior to the skin incision followed by a 1 mg/kg/hr infusion of TXA, or identical volume of placebo 0.9 % NaCl, for the duration of surgery. Treatment is blinded.
Treatment:
Other: Placebo

Trial contacts and locations

1

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Central trial contact

Lisa Julien, RN BScN; Stephen Lownie, MD

Data sourced from clinicaltrials.gov

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