Metrics of Osteochondral Allografts (MOCA) Registry of the Knee


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. 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:

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 the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Aaron Krych, M.D.

Closed for enrollment

Contact information:

Jennifer Krogman

(507) 538-3562

More information


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