Clinical trial NCT05554211: Tranexamic Acid Usage in Bilateral Mastectomy to Reduce Post-surgical Drainage
Official title: Tranexamic Acid Usage in Bilateral Mastectomy to Reduce Post-surgical Drainage
Study type: INTERVENTIONAL
Overall status: WITHDRAWN
Phase: PHASE2
Conditions: Breast Cancer
BRCA Mutation
Keywords: mastectomy
tranexamic acid
Lead sponsor: Northwestern University
Sponsor class: OTHER
Collaborators: name: Saint Joseph Hospital, Chicago, Illinois
name: Northwestern Memorial Hospital
First posted: 2022-09-26
Enrollment: 0
Sex: FEMALE
Minimum age (years): 18
Maximum age (years): 80
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: PARALLEL
Intervention model description: In a within-subjects design, one breast will receive normal saline control and the contralateral breast will receive tranexamic acid.
Primary purpose: TREATMENT

Brief summary: Tranexamic acid (TxA) is a drug that was approved by the FDA in 1986. It is an antifibrinolytic drug - this means that it is used to promote blood clotting by preventing the breakdown of blood clots that the participant's body naturally forms. TxA is very commonly used to control bleeding in a variety of surgeries, such as orthopedic and gynecologic procedures, and is available in both the injectable (delivering the drug through the veins) and oral forms. However, its use is still not commonplace in the setting of elective breast surgery, because it hasn't been extensively studied in this field. Because it is not currently FDA-approved for use in elective breast surgery, this would make the drug "investigational" for this study. Because of its current use in other fields, TxA seems to have a great deal of potential in reducing the amount of post-operative time that breast drains need to be kept in place, the frequency of adverse events during wound healing such as bleeding and fluid accumulation, and overall fluid drainage amount. This would serve to improve the overall process of post-operative healing following a mastectomy procedure. Currently, the use of TxA is approved through the injectable route at Northwestern, but it is not approved for administration by the topical route. Previous studies have shown that TxA given through the topical route of administration in breast reduction surgery reduced post-surgical drainage and fluid accumulation. In this study, the use of 3% (3 grams of TxA in 100 ml of saline) TxA through the topical route by applying it to the breast wound of one breast as a direct fluid irrigation will be investigated. This will be done as a fluid wash, where the TxA will be in a syringe, and just before wound closure the TxA will be sprayed onto the wound site. The other breast will undergo the same procedure, but will receive normal saline solution instead of TxA. The procedure of interest here is a prophylactic bilateral mastectomy, which is a mastectomy that is performed to prevent the occurrence of breast cancer. The purpose of this study is to test whether applying TxA topically during wound closure in mastectomy procedures will affect the quantity of fluid accumulation and bleeding, and the amount of time that post-operative drains need to be kept in place.

Detailed description: Breast cancer is the second most common cancer among women in the United States. Mastectomy procedures are often performed to treat breast cancer, and may either be done prophylactically or therapeutically. Women with either a strong family history of breast cancer and/or a positive mutation for the breast cancer susceptibility genes BRCA1 or BRCA2 may elect to undergo a prophylactic mastectomy, in which one or both breasts are removed. Such procedures have been found to reduce the risk of developing breast cancer in these individuals by 90-95%. This process often begins with an individual who has a family member or relative that has tested positive for a BRCA mutation or developed breast cancer. Female family members may then choose to undergo screening to identify whether they carry such a genetic mutation themselves, and if any family member screens positive for the mutation, one may solicit a plastic surgeon for the mastectomy to prevent future breast cancer occurrence. Additionally, women may elect to undergo a mastectomy after the development of cancer in one or both breasts. In the event of cancer development in one breast, patients may choose to undergo a bilateral mastectomy therapeutically in the breast with cancer and prophylactically in the breast without cancer to prevent future cancer development in the non-cancer breast.

During mastectomy procedures, tumescent solution is commonly used for regional anesthesia and reduction of blood loss through potent vasoconstriction. Tumescent solution is an infiltration solution (a formula consisting of epinephrine, lidocaine in Lactated Ringer's solution diluted in saline) that usually contains 0.05% lidocaine and 1:1,000,000 epinephrine. While there are several studies investigating various modified recipe of tumescent solution during bilateral risk-reducing mastectomy (BRRM) with the goal of reducing perioperative bleeding, the results remain inconsistent.

In this study, the use of TxA in bilateral mastectomy in a cohort of female patients will be investigated. TxA is an anti-fibrinolytic agent commonly used to control trauma and menstrual bleeding, as well as in routine surgical procedures. In prior studies, TxA has been shown to reduce mortality due to adverse bleeding events by one-third1. In addition, TxA mechanism-of-action has been shown to exert an immunomodulatory effect that results in reduced infection rates independent of its effect on reduction of blood loss4. Because of this, TxA has become an attractive agent for use in surgery to control bleeding during procedures and post-surgical fluid accumulation at the wound site. However, its use is still not commonplace in the setting of elective breast surgery.

During breast surgery, agents such as tumescent solution are commonly administered to reduce peri-operative bleeding and post-surgical blood and fluid accumulation. Following surgery, drainage systems such as Jackson-Pratt drains are placed within the breast to allow for fluid removal and prevent the incidence of infection, hematoma, and seroma. To date, few studies have investigated the perioperative use of TxA during breast surgery to reduce post-surgical fluid drainage and reduction of corresponding adverse events - as a result, the investigators believe that there is a great deal of potential in this investigation to inform future surgical practices in this field and to improve patients' quality-of-life. In this study, the investigators will conduct a prospective study of female patients undergoing bilateral mastectomy to determine the effect of TxA administration in reducing post-surgical breast drainage and indwelling time and preventing adverse fluid accumulation-related events.

Eligibility criteria: Inclusion Criteria:

* Female aged 18 years or older
* Scheduled or plans to schedule a bilateral mastectomy
* Able to understand informed consent and sign it voluntarily

Exclusion Criteria:

* Male without breasts
* Females who have previously undergone either unilateral or bilateral mastectomy as they do not have breasts on which the drug could be tested
* Patients with a hypersensitive or allergic reaction to TxA
* Patients with an active clotting disorder
* Patients with a subarachnoid hemorrhage within the past 3 months of screening
* Patients on chronic, extracorporeal renal replacement therapy

Primary outcomes:
measure: Drain output
timeFrame: Approximately 1 month post-operatively
Secondary outcomes:
measure: Safety evaluation
timeFrame: Approximately 1 month post-operatively
Other outcomes:
Locations:
city: Chicago
country: United States
facility: Northwestern Memorial Hospital
state: Illinois
city: Chicago
country: United States
facility: AMITA Health Saint Joseph Chicago
state: Illinois
Study officials:
affiliation: Northwestern Feinberg School of Medicine
name: Robert L Walton, MD
role: PRINCIPAL_INVESTIGATOR
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