Clinical Trial Comparing Tranexamic Acid (TXA) With Aquamantys Sealer in

Status Completed

Clinical Trial Summary

The aim of the study is to determine if the use of iv TXA or Aquamantys system improve the postoperative hemoglobin and hematocrit after primary TKA and what is the effect of the simultaneous use of iv TXA and Aquamantys on the postoperative hemoglobin and hematocrit. The assumption is that the combination of iv TXA and Aquamantys system will enable an improvement in the postoperative hemoglobin and hematocrit equal or larger than the improvement generated by the use of Aquamantys system alone.

Clinical Trial Description

The study is randomized, placebo controlled. The study population includes patients older than 18 years of age undergoing elective total primary knee replacement under spinal anesthesia. All patients enrolled in the study will undergo TKA performed by the same orthopedic surgeon. Since controversies exist regarding the effect of different types of anesthesia (general anesthesia versus spinal or epidural anesthesia) on intraoperative blood loss, in order to eliminate an important confounding variable we decided to exclusively enroll for our study patients that qualify for and agree with spinal anesthesia to be used as the main anesthetic technique for their TKA.

All clinical trial procedures will be performed by personnel blinded to study treatment assignment. Unblinding is only allowed for safety concerns in an emergency situation.The only other exception is represented by the surgeon, who can't be blinded in regards to using Aquamantys system and the bipolar sealer. Once a subject becomes eligible for the trial, the investigator or the designee will access the randomization system.

Enrolled subjects will be assigned to one of the 4 groups by block randomization of alternating 4 and 8 and 12 patients per block. The Pharmacy Department will provide the iv placebo or the iv TXA according to the randomization process.

This clinical trial will be conducted in accordance to this protocol, Good Clinical Practice and applicable regulatory requirements ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02374398
Study type	Interventional
Source	Eastern Maine Medical Center
Contact
Status	Completed
Phase	Phase 4
Start date	March 2011
Completion date	November 2014

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Clinical Trial Comparing Tranexamic Acid (TXA) With Aquamantys Sealer in Total Knee Arthroplasty (TKA)

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms