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NCT Number: NCT07501741

Comparison of the Direct Anterior Approach (DAA) and the Direct Lateral Approach (DLA) in Patients Treated With Partial Hip Replacement for Femoral Neck Fracture Based on Postoperative Functional Status

The goal of this clinical trial is to learn whether the surgical approach used for hemiarthroplasty can improve clinical and functional outcomes in adults with displaced femoral neck fractures.

The main questions it aims to answer are:

* Does the direct anterior approach (DAA) result in superior postoperative functional recovery compared with the direct lateral approach (DLA)? * Are mortality, complications, hospital utilization, and readmission rates different between the two surgical approaches? Researchers will compare hemiarthroplasty performed using the direct anterior approach to hemiarthroplasty performed using the direct lateral approach to determine whether surgical approach influences postoperative function, complications, and survival.

Participants will:

* Undergo hemiarthroplasty for displaced femoral neck fracture using a randomly assigned surgical approach (DAA or DLA) * Complete a baseline functional assessment using the Activities of Daily Living (ADL) questionnaire before surgery * Have perioperative data collected during hospitalization, including laboratory values, operative details, blood loss, transfusions, analgesic use, complications, length of stay, and in-hospital mortality * Attend follow-up clinic visits at 6 weeks and 3 months after surgery * Complete postoperative functional assessment using the Harris Hip Score at both follow-up visits * Have demographic data, complications, readmissions, and mortality monitored through review of electronic medical records

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Adults aged 18 years or older Patients undergoing hemiarthroplasty (partial hip replacement) during the study period at Meir Medical Center Ability to provide informed consent for participation in the study

Exclusion criteria

Revision surgery performed during the index hospitalization Inability to complete postoperative follow-up Inability to provide informed consent (e.g., dementia or presence of a legal guardian) Pre-injury mobility status of bedbound or wheelchair-bound Polytrauma patients Prior fixation or arthroplasty of the contralateral hip within the previous year

Treatment and study plan

Primary outcomes

  1. Harris Hip Score (HHS) - Postoperative Functional Outcome at 6 Weeks and 3 Months Following Hemiarthroplasty

    Time frame: 6 weeks and 3 months post-surgery

    Functional outcome will be assessed using the Harris Hip Score (HHS), a validated 100-point scale evaluating pain, function, deformity, and range of motion, collected at 6 weeks and 3 months postoperatively.

Secondary outcomes

  1. Incidence of Treatment-Related Complications Following Hemiarthroplasty

    Time frame: During hospitalization and up to 3 months post-surgery

    Number of participants with one or more complications- Including intraoperative blood loss, blood transfusions, implant dislocation, implant failure, surgical site infection, and other adverse events.

Sponsors and collaborators

Lead sponsor

Meir Medical Center

Other

Registry information

Official study title

Impact of Surgical Approach on Post-Fracture Function: A Prospective Hemiarthroplasty Study

Important dates

Study start
2026
Primary completion
2028
Study completion
2028
First posted
Mar 30, 2026
Registry last updated
Mar 30, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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