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Use of Tranexamic Acid in Reduction of Post-Op Complications in Mohs Micrographic Surgery

R

Riley McLean

Status and phase

Terminated
Early Phase 1

Conditions

Skin Neoplasms

Treatments

Drug: Lidocaine Epinephrine
Drug: Tranexamic acid injection

Study type

Interventional

Funder types

Other

Identifiers

NCT04630886
H00019337

Details and patient eligibility

About

The purpose of this study is to evaluate the use of locally injected tranexamic acid (TXA) under the skin during Mohs micrographic surgery for removal of skin cancers in patients on anticoagulation. TXA may be helpful in reducing bleeding and pain during surgery, and may also lead to fewer post-operative complications following surgery such as graft loss, specifically in patients on blood-thinners.

Full description

The primary objective of this study is to evaluate the efficacy of subcutaneous infiltration of tranexamic acid (TXA) in the reduction of peri- and post-operative complications including bleeding, infections, flap and graft loss in anticoagulated patients undergoing Mohs micrographic surgery. A secondary objective is to evaluate the ability of TXA to increase the pH of lidocaine with epinephrine, and whether it causes less pain than the alternative during injection of local anesthetic.

TXA may serve as an effective local antifibrinolytic agent to decrease perioperative and postoperative bleeding while also causing less injection pain in patients undergoing Mohs surgery.

Background:

TXA is a well-established antifibrinolytic agent used in many surgical fields to effectively reduce post-operative bleeding. TXA is a synthetic lysine analogue that prevents the lysis of polymerized fibrin in blood clots. It has been used intravenously, orally, and subcutaneously to reduce bleeding during orthopedic procedures, to manage postpartum bleeding, and in trauma patients to control significant hemorrhage. It has also been used intravenously to reduce the need for blood transfusions in cardiac and liver transplantation.The safety of TXA has been verified in numerous publications across multiple medical specialties. Additionally, the pH of TXA ranges from 6-8, indicating that it may serve as an effective buffering agent and cause less pain with injection of anesthetic agents.

Many institutions have begun to use tranexamic acid to reduce postoperative bleeding. The medication is now readily available in the Pyxis of the investigators. The use of TXA within the wound bed and underlying undermined edges of flaps performed in patients who are anticoagulated is becoming the standard of care. Anecdotally, this has been quite successful in reducing post operative bruising and post operative bleeding requiring an emergency visit. In this protocol, the study arm involving the use of TXA and the study arm without the use of TXA are currently standard of care and are currently routinely used intraoperatively in clinical practice.

The investigators are performing this study to examine the efficacy of TXA as a safe, local antifibrinolytic agent in dermatologic surgeries and will analyze postoperative bleeding as well as other postoperative complications.

Enrollment

34 patients

Sex

All

Ages

18 to 99 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Must be on systemic anticoagulation therapy (indirect or direct anticoagulants or anti-platelet agents)
  • Must be scheduled for Mohs surgery at the University of Massachusetts Department of Dermatology

Exclusion criteria

  • History of hypercoaguable disorder (e.g. Factor V Leiden Deficiency)
  • History of deep vein thrombosis or pulmonary embolism
  • Systolic blood pressure greater than 200 on day of surgery
  • Known allergy to TXA
  • Currently taking systemic retinoids
  • Unable to consent
  • Pregnant women
  • Prisoners

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

34 participants in 2 patient groups

Tranexamic acid
Experimental group
Description:
The TXA group will receive 2% lidocaine with 1:100,000 epinephrine mixed 50/50 with 50mg/ml TXA (with 50% dilution, this will yield 1% lidocaine with 1:200,000 epi).
Treatment:
Drug: Tranexamic acid injection
Drug: Lidocaine Epinephrine
Control
Active Comparator group
Description:
The control group will use the routine local anesthetic of buffered 1% lidocaine with 1:200,000 epinephrine.
Treatment:
Drug: Lidocaine Epinephrine

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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