NCT04429997

Brief Summary

The purpose of this study is to compare the incidence of patellar crepitus complication and the clinical outcome between remove and not remove fibrosynovial tissue at the border of the superior pole of the patellar in posterior stabilized total knee arthroplasty.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
138

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jun 2020

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

First Submitted

Initial submission to the registry

June 10, 2020

Completed
Same day until next milestone

Study Start

First participant enrolled

June 10, 2020

Completed
2 days until next milestone

First Posted

Study publicly available on registry

June 12, 2020

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2022

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2022

Completed
Last Updated

August 31, 2021

Status Verified

August 1, 2021

Enrollment Period

2.1 years

First QC Date

June 10, 2020

Last Update Submit

August 30, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Incidence of patellar crepitus complication

    Incidence of patellar crepitus complication (present, absent)

    Change from baseline patellar crepitus complication 3 months, 6 months, and 12 months after surgery

Secondary Outcomes (4)

  • Knee Society and Knee Society function score

    Change from baseline Knee Society and Knee Society function score at 3 months, 6 months, and 12 months after surgery

  • New patellar score

    Change from baseline new patellar score at 3 months, 6 months, and 12 months after surgery

  • Oxford knee score

    Change from baseline Oxford knee score 3 months, 6 months, and 12 months after surgery

  • Change of post-operative anterior knee pain

    Change from baseline Visual Analog Scale for anterior knee pain at 3 months, 6 months, and 12 months after surgery

Study Arms (2)

Removal of fibrosynovial tissue

EXPERIMENTAL

Removal of fibrosynovial tissue in patellar non-resurfacing TKA

Procedure: Removal of fibrosynovial tissue

Non-removal of fibrosynovial tissue

EXPERIMENTAL

Non-removal of fibrosynovial tissue in patellar non-resurfacing TKA

Procedure: Non-removal of fibrosynovial tissue

Interventions

Remove of fibrosynovial tissue at the superior border of patella

Removal of fibrosynovial tissue

Do not remove of fibrosynovial tissue at the superior border of patella

Non-removal of fibrosynovial tissue

Eligibility Criteria

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

You may qualify if:

  • Primary osteoarthritis of knee who were scheduled for a primary total knee arthroplasty

You may not qualify if:

  • Valgus deformity
  • History of inflammatory arthroplathy
  • Previous fracture or open surgery on the same knee
  • History of patellar instability

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Navamindradhiraj University

Dusit, Bangkok, 10300, Thailand

Location

Study Officials

  • Satit Thiengwittayaporn, M.D.

    Department of Orthopaedics, Faculty of Medicine Vajira Hospital, Navamindradhiraj University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

June 10, 2020

First Posted

June 12, 2020

Study Start

June 10, 2020

Primary Completion

July 1, 2022

Study Completion

December 1, 2022

Last Updated

August 31, 2021

Record last verified: 2021-08

Locations