Metrics of Osteochondral Allografts (MOCA) Registry of the Knee


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 17-005328
    Sponsor Protocol Number: OCA-001

About this study

The primary objective of this registry is to obtain long-term survivorship data for the use of fresh OCAs in cartilage repair and reconstruction procedures.

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. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

Patients must meet the following inclusion criteria to participate in this registry.

  1. Patient is between the ages of 12 and 65 years old at the time of surgery
  2. Has at least one cartilage defect present in the knee joint
  3. Has a defect as determined by a medical professional
  4. Is a candidate for the surgical use of fresh osteochondral allografts for a primary or revision procedure
  5. Has the ability to understand the requirements of the registry, to provide written informed consent and to comply with the registry protocol

Exclusion Criteria:

Patients must not meet any of the following criteria to be considered for this clinical trial.

  1. None

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Aaron Krych, M.D.

Open for enrollment

Contact information:

Jennifer Krogman


More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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