Variability in Spinopelvic Parameters Among Patients Undergoing Total Hip Arthroplasty
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05212090 |
Recruitment Status :
Enrolling by invitation
First Posted : January 27, 2022
Last Update Posted : March 23, 2022
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Osteoarthritis, Hip | Diagnostic Test: EOS X-Ray | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 40 participants |
Allocation: | Non-Randomized |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Health Services Research |
Official Title: | Study-Dependent Variability in Spinopelvic Parameters Among Patients Undergoing Total Hip Arthroplasty |
Actual Study Start Date : | February 1, 2022 |
Estimated Primary Completion Date : | February 2023 |
Estimated Study Completion Date : | February 2023 |

Arm | Intervention/treatment |
---|---|
Pre-THA
Subjects will be receiving EOS imaging prior to Total Hip Arthoplasty
|
Diagnostic Test: EOS X-Ray
Repeated AP Pelvis x-ray and Lateral Lumbar EOS x-ray |
Post-THA
Subjects will be receiving EOS imaging after Total Hip Arthroplasty
|
Diagnostic Test: EOS X-Ray
Repeated AP Pelvis x-ray and Lateral Lumbar EOS x-ray |
- Change in pelvic incidence (PI) [ Time Frame: Baseline, 8 hours, 4 weeks ]Measured from EOS imaging and AP x-ray, reported in degrees
- Change in symphysis to sacrococcygeal junction distance (PSCD) [ Time Frame: Baseline, 8 hours, 4 weeks ]Measured from EOS imaging and AP x-ray, reported in millimeters (mm)
- Change in pelvic tilt (PT) [ Time Frame: Baseline, 8 hours, 4 weeks ]Measured from EOS imaging and AP x-ray, reported in degrees
- Change in sacral slope (SS) [ Time Frame: Baseline, 8 hours, 4 weeks ]Measured from EOS imaging and AP x-ray, reported in degrees
- Change in lumbar lordosis (LL) [ Time Frame: Baseline, 8 hours, 4 weeks ]Measured from EOS imaging and AP x-ray, reported in degrees

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 99 Years (Adult, Older Adult) |
Sexes Eligible for Study: | 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:
- Patients with lumbosacral hardware, contralateral THA.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05212090
United States, Minnesota | |
Mayo Clinic Rochester | |
Rochester, Minnesota, United States, 55905 |
Principal Investigator: | Matthew Abdel, MD | Mayo Clinic |
Responsible Party: | Matthew P. Abdel, M.D., Principal Investigator, Mayo Clinic |
ClinicalTrials.gov Identifier: | NCT05212090 |
Other Study ID Numbers: |
21-011655 |
First Posted: | January 27, 2022 Key Record Dates |
Last Update Posted: | March 23, 2022 |
Last Verified: | March 2022 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Osteoarthritis, Hip Osteoarthritis Arthritis |
Joint Diseases Musculoskeletal Diseases Rheumatic Diseases |