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Gait After THA: Direct Anterior vs Manual Posterior vs Robotic Posterior

A Prospective, Single-Blinded, Partially Randomized Three-Cohort Study Comparing Manual Direct Anterior and Manual Posterior Approaches to a Non-Randomized Robotic Posterior Cohort for Total Hip Arthroplasty Using Gait Analysis

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Adults aged \>18 undergoing primary elective THA for osteoarthritis
* BMI \<35
* Ability to walk unassisted (cane, walker, wheelchair, ect) for \> 150 feet preoperatively

Exclusion Criteria:

* Previous hip surgery on the affected side
* Neurological disorders affecting gait
* Contraindication to either DAA or PA

About the study

The purpose of this study is to evaluate the gait biomechanics following THA on 3 groups of subjects undergoing DAA (manual) and PA (manual and robotic) surgical approaches.

What is being tested

• Total hip arthroplasty via direct anterior approach (manual, non-robotic) (procedure)
• Total hip arthroplasty via posterior approach (manual, non-robotic) (procedure)
• Robotic-assisted total hip arthroplasty via posterior approach (procedure)

Sponsor: Ochsner Health System · Participants: 48 · Started: Oct 9, 2025

Contact the study team

• George Chimento, MD · Phone: 504-736-4800
• Ken Bode · Phone: 504-842-1936

Official record on ClinicalTrials.gov — NCT07226973

Locations in the U.S.

Conditions

• Osteoarthritis

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.