NCT04779112

Brief Summary

This study mainly measures the orientation of acetabulum cup post total hip arthroplasty. Using "Liaw's Version", a new and accurate standardization method, investigators are trying to analyze acetabulum cup anterversion change postoperatively.

Trial Health

35
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
50

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Mar 2021

Shorter than P25 for all trials

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

February 22, 2021

Completed
7 days until next milestone

Study Start

First participant enrolled

March 1, 2021

Completed
2 days until next milestone

First Posted

Study publicly available on registry

March 3, 2021

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2022

Completed
Last Updated

March 3, 2021

Status Verified

March 1, 2021

Enrollment Period

10 months

First QC Date

February 22, 2021

Last Update Submit

March 2, 2021

Conditions

Orthopedics

Outcome Measures

Primary Outcomes (1)

  • Analyze acetabulum cup anterversion change postoperatively

    Using "Liaw's Version", a new and accurate standardization method developed, investigators are trying to analyze acetabulum cup anterversion change postoperatively.

    1 week

Eligibility Criteria

Age40 Years - 85 Years
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients of hospital

You may qualify if:

  • Patients undergone total hip arthroplasty
  • Patients undergone total hip arthroplasty with more than two postoperative X-ray plain films

You may not qualify if:

  • Patients with postoperative periprosthetic fracture(s)
  • Patients with postoperative infection
  • Patients undergone revision total hip arthroplasty

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Officials

  • Chen-Kun Liaw

    Taipei Medical University

    STUDY CHAIR

Central Study Contacts

Chen-Kun Liaw

CONTACT

+886963969162chenkunliaw@tmu.edu.tw

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 22, 2021

First Posted

March 3, 2021

Study Start

March 1, 2021

Primary Completion

January 1, 2022

Study Completion

January 1, 2022

Last Updated

March 3, 2021

Record last verified: 2021-03