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CompletedNCT05212090Updated Mar 17, 2025

Variability in Spinopelvic Parameters Among Patients Undergoing Total Hip Arthroplasty

An interventional study of EOS X-Ray in Osteoarthritis, Hip, sponsored by Mayo Clinic. Completed at 1 site in United States. Open to participants aged 18 Years to 99 Years. Per ClinicalTrials.gov, last updated 2025-03-17.

Sponsored by Mayo Clinic · Not applicable, Interventional, and Health services research

Phase
Not applicable
Study type
Interventional
Enrollment
40
Allocation
Non-randomized
Ages
18 Years to 99 Years
Sex
All
01

Study summary

This research is being conducted to assess measurement correlations on different X-ray views on patients who have undergone or will undergo hip reconstruction surgery.

02

Conditions studied

  • Osteoarthritis, Hip

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03

In context

Osteoarthritis, Hip

628 studies on the registry are indexed under Osteoarthritis, Hip; 121 are open to participants now.

This study's enrollment of 40 is below the median of 90 across 450 interventional studies indexed under Osteoarthritis, Hip.

Browse Osteoarthritis, Hip studies →

Lead sponsor

Mayo Clinic is the lead sponsor of 3,218 studies on the registry; 670 are open to participants now.

Of its 445 completed or terminated interventional studies of FDA-regulated products, 313 (70%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 99 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Ability to provide informed consent.
  • 40 patients: 20 preoperative THA, 20 postoperative THA;
  • Sex: 20 men, 20 women;
  • Age: 20 patients ≥ 70 years, 10 patients 50-70 years, 10 patients 18-50 years.

Exclusion criteria

Exclusion Criteria:

  • Patients with lumbosacral hardware, contralateral THA.
05

Study design

Phase
Not applicable
Primary purpose
Health services research
Allocation
Non-randomized
Intervention model
Single group
Masking
None (open label)
Enrollment
40 participants (actual)

Study arms

  • Other
    Pre-THA

    Subjects will be receiving EOS imaging prior to Total Hip Arthroplasty (THA)

    Diagnostic Test: EOS X-Ray

  • Other
    Post-THA

    Subjects will be receiving EOS imaging after Total Hip Arthroplasty (THA)

    Diagnostic Test: EOS X-Ray

Interventions

  • Diagnostic testEOS X-Ray

    Repeated Anteroposterior (AP) Pelvis x-ray and Lateral Lumbar EOS x-ray

06

What researchers measure

Primary outcomes

  1. Change in pelvic incidence (PI)

    Measured from EOS imaging and AP x-ray, reported in degrees

    Time frame: Baseline, 8 hours, 4 weeks

  2. Change in symphysis to sacrococcygeal junction distance (PSCD)

    Measured from EOS imaging and AP x-ray, reported in millimeters (mm)

    Time frame: Baseline, 8 hours, 4 weeks

  3. Change in pelvic tilt (PT)

    Measured from EOS imaging and AP x-ray, reported in degrees

    Time frame: Baseline, 8 hours, 4 weeks

  4. Change in sacral slope (SS)

    Measured from EOS imaging and AP x-ray, reported in degrees

    Time frame: Baseline, 8 hours, 4 weeks

  5. Change in lumbar lordosis (LL)

    Measured from EOS imaging and AP x-ray, reported in degrees

    Time frame: Baseline, 8 hours, 4 weeks

07

Study locations

1 site
  • Mayo Clinic Rochester
    Rochester, Minnesota 55905, United States
08

References and documents

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 17, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05212090
Lead sponsor
Mayo Clinic
Responsible party
Matthew P. Abdel, M.D. (Principal Investigator, Mayo Clinic) — Principal investigator
First posted
Jan 27, 2022
Start date
Feb 1, 2022
Primary completion
Mar 12, 2025
Completion
Mar 12, 2025
Last update
Mar 17, 2025

Study contacts

Matthew Abdel, MD
principal investigator · Mayo Clinic

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2025. You cannot join it, but the record below documents what was studied.

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