Accuracy of Patient-Specific Implants and Instrumentation in Total Hip Arthroplasty


About this study

This is a prospective clinical trial examining only subjects who undergo THA with PSI. The purpose of this study is to compare the alignment accuracy of patient-specific implants versus traditional off-the-shelf implants in total hip arthroplasty using prior literature-derived data as controls.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Age ≥ 18 years.
  • Primary total hip arthroplasty.
  • Patient preference for patient-specific implants (PSI).
  • Preoperative plan to use Conformis Total Hip Implant.

Exclusion Criteria:

  • Under 18 years of age.
  • Previous total hip arthroplasty.
  • Inability to obtain preoperative or postoperative CT scan.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Robert Trousdale, M.D.

Open for enrollment

Contact information:

Lauren Dittman M.D.

More information


Publications are currently not available

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