NCT06815445

Brief Summary

Postoperative pain and blood loss of non-use compared to partial-use of a tourniquet in bilateral total knee replacement: A Randomized- Control Trial This study aimed to compare the effects of non-use (NTU) and partial-use (before osteotomy to skin closure; BOO) of a tourniquet in bilateral total knee arthroplasty (TKA) on postoperative pain and complications.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2022

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2022

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2024

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 30, 2024

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

February 3, 2025

Completed
4 days until next milestone

First Posted

Study publicly available on registry

February 7, 2025

Completed
Last Updated

June 13, 2025

Status Verified

June 1, 2025

Enrollment Period

1.8 years

First QC Date

February 3, 2025

Last Update Submit

June 10, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Postoperative pain

    Morphine consumption and Visual analog scale for pain minimum 0, maximum 10

    At postoperative Day1,2,3,4

Secondary Outcomes (1)

  • Blood loss

    At postoperative Day1,2,3,4

Study Arms (2)

Non-use of a tourniquet (NTU)

EXPERIMENTAL

No tourniquet is used throughout the surgery.

Procedure: None tourniquet

Partial-use of a tourniquet

ACTIVE COMPARATOR

Partial use of a tourniquet is throughout the surgery.

Procedure: None tourniquet

Interventions

No tourniquet is used throughout the surgery.

Non-use of a tourniquet (NTU)Partial-use of a tourniquet

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • patients with over 50 years of age and diagnosed with bilateral severe knee osteoarthritis undergoing bilateral TKA

You may not qualify if:

  • patients having undergone previous knee surgery
  • patients being subject to uncontrolled hypertension, coagulopathy, or recent knee sepsis
  • patients with an ASA physical status grade \> 2,
  • inability to use patient-controlled analgesia (PCA), such as communication, or cognitive issues, or those patients who were allergic to medications used in the treatment process.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Thada Wipatasinlapin

Chon Buri, Sriracha, 20110, Thailand

Location

MeSH Terms

Conditions

Pain, Postoperative

Condition Hierarchy (Ancestors)

Postoperative ComplicationsPathologic ProcessesPathological Conditions, Signs and SymptomsPainNeurologic ManifestationsSigns and Symptoms

Study Officials

  • Thada Wipatasinlapin, MD

    Queen Savang Vadhana Memorial Hospital, Thailand

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Outcome assessor will not know whether which group are using tourniquet.
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: This study divided into 2 groups. This study was designed to compare the effect of NTU vs BOO in the patients underwent bilateral TKA. It is a crossover design to compare each knee in each group.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 3, 2025

First Posted

February 7, 2025

Study Start

November 1, 2022

Primary Completion

August 1, 2024

Study Completion

October 30, 2024

Last Updated

June 13, 2025

Record last verified: 2025-06

Locations