NCT03656445

Brief Summary

Multiple intravenous Tranexamic Acid doses can reduce postoperative blood loss and improve the functional outcome in total knee arthroplasty without tourniquet: a randomized controlled study.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
180

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Oct 2015

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2015

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2017

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

August 30, 2018

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 4, 2018

Completed
Last Updated

September 5, 2018

Status Verified

August 1, 2018

Enrollment Period

1.5 years

First QC Date

August 30, 2018

Last Update Submit

August 31, 2018

Conditions

Keywords

total knee arthroplastytranexamic acidwithout tourniquetblood lossfunctionmultiple doses

Outcome Measures

Primary Outcomes (8)

  • hemoglobin change

    Hemoglobin decrease/change during the four post-operative days

    1st,2nd and 4th post-operative day

  • Blood loss

    calculated total blood loss (TBL) the 1st post-op day

    24 hours

  • Blood loss

    calculated total blood loss (TBL) the 2nd post-op day

    48 hours

  • Blood loss

    calculated total blood loss (TBL) the 4th post-op day

    96 hours

  • Platelet count change

    Platelet count increase/decrease/change during the 1st,2nd and 4th day

    24 hours, 48 hours, 96 hours

  • Need for trasfussion

    Transfussion rate/quantity in 1st post-op day

    24 hours

  • Need for trasfussion

    Transfussion rate/quantity in 2nd post-op day

    48 hours

  • Need for trasfussion

    Transfussion rate/quantity in 3rd post-op day

    96 hours

Secondary Outcomes (4)

  • Knee Society Score (KSS) KSS

    2nd and 4th post op days + 6th week and 12th week

  • Function Knee Society Score

    2nd and 4th post op days + 6th week and 12th week

  • EuroQol

    2nd and 4th post op days + 6th week and 12th week

  • VAS pain (analogue pain scale)

    2nd and 4th post op days + 6th week and 12th week

Study Arms (3)

Group A - Tranexamic Acid

ACTIVE COMPARATOR

1 dose of IV TXA (15mg/kg) in 100-ml normal saline, 10 minutes before incision, administered during the induction of the anesthesia

Drug: Tranexamic Acid

Group B - Tranexamic Acid

ACTIVE COMPARATOR

1 dose of IV TXA (15mg/kg) in 100-ml normal saline, 10 minutes before incision and an additional dose of IV TXA (15mg/kg) in 100-ml normal saline 3 hours after skin incision

Drug: Tranexamic Acid

Group C - Tranexamic Acid

ACTIVE COMPARATOR

1 dose of IV TXA (15mg/kg) in 100-ml normal saline, before incision and two additional doses of IV TXA (15mg/kg) in 100-ml normal saline 3 and 6 hours after skin incision respectively

Drug: Tranexamic Acid

Interventions

1 dose of IV TXA (15mg/kg) in 100-ml normal saline, 10 minutes before incision, administered during the induction of the anesthesia

Also known as: Transamin, Cyklokapron
Group A - Tranexamic Acid

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • varus deformity less than 10o
  • lack of extension not more than 10o
  • flexion of at least 90o.

You may not qualify if:

  • uncontrolled medical diseases/comorbidities
  • allergy and/or hypersensitivity to TXA
  • a known history of thromboembolic disease, cardiovascular disease
  • coronary or vascular stent placed within the past 12 months
  • cerebral vascular disease (a history of stroke)
  • subarachnoid hemorrhage
  • preoperative coagulopathy (a platelet \[PLT\] count \<150,000/mm3 or an international normalized ratio greater than 1.5
  • preoperative renal or hepatic dysfunction
  • retinal vein or artery occlusion
  • patients with anemia (\<12 g/dL for female, \<13 g/dL for male)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Zhang Y, Jordan JM. Epidemiology of osteoarthritis. Clinics in geriatric medicine. Aug 2010;26(3):355-369. 2. Litwic A, Edwards MH, Dennison EM, Cooper C. Epidemiology and burden of osteoarthritis. British medical bulletin. 2013;105:185-199. 3. Kurtz S, Ong K, Lau E, Mowat F, Halpern M. Projections of primary and revision hip and knee arthroplasty in the United States from 2005 to 2030. The Journal of bone and joint surgery. American volume. Apr 2007;89(4):780-785. 4. Bourne RB, McCalden RW, MacDonald SJ, Mokete L, Guerin J. Influence of patient factors on TKA outcomes at 5 to 11 years followup. Clinical orthopaedics and related research. Nov 2007;464:27-31. 5. Anderson JG, Wixson RL, Tsai D, Stulberg SD, Chang RW. Functional outcome and patient satisfaction in total knee patients over the age of 75. The Journal of arthroplasty. Oct 1996;11(7):831-840. 6. Mulhall KJ, Ghomrawi HM, Bershadsky B, Saleh KJ. Functional improvement after total knee arthroplasty revision: new observations on the dimensional nature of outcome. Journal of orthopaedic surgery and research. Dec 07 2007;2:25. 7. Saleh KJ, Dykes DC, Tweedie RL, et al. Functional outcome after total knee arthroplasty revision: a meta-analysis. The Journal of arthroplasty. Dec 2002;17(8):967-977. 8. Sikorski JM. Alignment in total knee replacement. The Journal of bone and joint surgery. British volume. Sep 2008;90(9):1121-1127. 9. Blumberg N. Allogeneic transfusion and infection: economic and clinical implications. Semin Hematol. 1997/07// 1997;34(3 Suppl 2):34-40. 10. Vamvakas EC, Blajchman MA. Transfusion-related mortality: the ongoing risks of allogeneic blood transfusion and the available strategies for their prevention. Blood. Apr 09 2009;113(15):3406-3417. 11. Berry DJ, Bozic KJ. Current practice patterns in primary hip and knee arthroplasty among members of the American Association of Hip and Knee Surgeons. The Journal of arthroplasty. Sep 2010;25(6 Suppl):2-4. 12. Themistoklis T, Theodosia V, Konstantinos K, Georgios DI. Perioperative blood management strategies for patients undergoing total knee replacement: Where do we stand now? World journal of orthopedics. Jun 18 2017;8(6):441-454. 13. Zhang W, Li N, Chen S, Tan Y, Al-Aidaros M, Chen L. The effects of a tourniquet used in total knee arthroplasty: a meta-analysis. Journal of orthopaedic surgery and research. 2014;9:13-13. 14. Zhang Q, Dong J, Gong K, Li X, Zheng S, Wen T. [Effects of Tourniquet Use on Perioperative Outcome in Total Knee Arthroplasty]. Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery. Apr 2016;30(4):421-425. 15. Du Z, Liu P, Zhang Y, Li D, Li M. [Effect of tourniquet on perioperative blood loss and short-term effectiveness in total knee arthroplasty]. Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery. Nov 2013;27(11):1318-1323. 16. Li X, Yin L, Chen ZY, et al. The effect of tourniquet use in total knee arthroplasty: grading the evidence through an updated meta-analysis of randomized, controlled trials. European journal of orthopaedic surgery & traumatology : orthopedie traumatologie. Aug 2014;24(6):973-986. 17. Tetro AM, Rudan JF. The effects of a pneumatic tourniquet on blood loss in total knee arthroplasty. Canadian journal of surgery. Journal canadien de chirurgie. Feb 2001;44(1):33-38.

    BACKGROUND

MeSH Terms

Conditions

Hemorrhage

Interventions

Tranexamic Acid

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Cyclohexanecarboxylic AcidsAcids, CarbocyclicCarboxylic AcidsOrganic Chemicals

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator Dr. Tzatzairis Themistoklis

Study Record Dates

First Submitted

August 30, 2018

First Posted

September 4, 2018

Study Start

October 1, 2015

Primary Completion

March 31, 2017

Study Completion

March 31, 2017

Last Updated

September 5, 2018

Record last verified: 2018-08