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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06301204
Other study ID # 21.06.2022-E.67046
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date March 1, 2022
Est. completion date November 1, 2023

Study information

Verified date March 2024
Source Bezmialem Vakif University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this clinical study conducted in accordance with the information in the literature is to compare the effects of administering tranexamic acid during orthognathic surgery, at different doses. Specifically, investigators aim to compare the effects of administering 1 ampoule IV (approximately 3 mg/kg) and 2 ampoules IV (approximately 6 mg/kg), and evaluate their impact on intraoperative bleeding (ml), surgical duration (min), postoperative swelling, and intraoperative surgical field evaluation (Fromme Scale), by comparing them with control group (applying no drug administration) patient data.


Description:

This prospective double blind clinical study was approved by the Bezmialem Vakif University Clinical Research Ethics Committee (2022-E.6706). All patients were provided detailed explanations of the surgical procedure and potential adverse events, underwent preoperative anesthesia assessments, and provided informed consent. A total of 60 patients were included in the study and were randomly assigned to three groups: Study Group 1 (N=20), Study Group 2 (N=20), and Control Group (N=20). In Study Group 1, patients received local anesthesia prior to bimaxillary osteotomy, followed by intravenous administration of 250 mg / 2.5 mL tranexamic acid before starting with the incision. In Study Group 2, patients also received local anesthesia before bimaxillary osteotomy, followed by intravenous administration of 250 mg / 2.5 mL tranexamic acid for le fort 1 and, a second dose of 250 mg / 2.5 mL tranexamic acid was administered for beginning of the sagittal split osteotomy. The Control Group, Group 3, did not receive any medication before or after surgery. All patients underwent bimaxillary surgery using the same surgical technique and same surgical team.


Recruitment information / eligibility

Status Completed
Enrollment 60
Est. completion date November 1, 2023
Est. primary completion date November 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. Patients with class 2 or class 3 dentofacial malformation who are planned to undergo bimaxillary orthognathic surgery. 2. Patients who have not had orthognathic surgery before 3. Patients without cleft lip and palate 4. Patients without systemic bleeding diets Exclusion Criteria: 1. Having a systemic disease that affects general health status 2. Presence of a malignant disease in the head and neck region 3. Patients who have previously undergone orthognathic surgery 4. Patients with any bleeding disorders

Study Design


Intervention

Drug:
Tranexamic acid injection
tranexamic acid administration 250mg or 500 mg
Saline
onyl iv saline (NaCl 0.09%)

Locations

Country Name City State
Turkey Bezmialem Vakif Universty Istanbul Fatih

Sponsors (1)

Lead Sponsor Collaborator
Bezmialem Vakif University

Country where clinical trial is conducted

Turkey, 

Outcome

Type Measure Description Time frame Safety issue
Primary intraoperative bleeding during the surgery (ml) the primary outcome is this study is assessment of the intraoperative bleeding: Intraoperative bleeding will be calculated by subtracting the total amount of iv fluid and the amount of irrigation solutions used during surgery from the total amount of aspirate volume. during the operation time (hour)
Secondary postoperative edema calculation for the first 1-3 and 7 day (cm) the first secondary outcome of this study is post operative edema: Prior to anesthesia induction, Tragus (Tra) and Gonion (Go) points were marked with methylene blue, and distances including Lateral Canthus - Gonion, Tragus-Commissure, and interincisal distances were measured with a paper ruler and recorded as preoperative measurements.Measurements of Lateral Canthus - Gonion, Tragus-Commissure, and Interincisal distances were repeated on postoperative days 1, 3, and 7 for evaluating postoperative edema. post operative 1-3-7 days
Secondary intraoperative surgical site evaluation (Fromme Scale) the second secondary outcome is surgical site evaluation during the surgery. Surgeon evaluate the surgical site according to Fromme Scale per every one hour.
0 = No bleeding, virtually bloodless field
= Bleeding so mild it is not even a surgical nuisance
= Moderate bleeding, a nuisance but without interference with accurate dissection
= Moderate bleeding that moderately compromises surgical dissection
= Heavy but controllable that significantly interferes with dissection
= Massive uncontrollable bleeding
during the surgical time (hour)
Secondary Hemoglobin (Hgb) and Hematocrit (Hct) values alteration preoperative and postoperative 2. day Hemoglobin (Hgb) and Hematocrit (Hct) values were recorded preoperatively and second postoperative day. during the preoperative and post operative 2. day
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