A Study Comparing the Results of Using Irradiated versus Non-Irradiated Grafts for ACL (Knee Ligament) Reconstruction


  • 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: 15-008264
    Sponsor Protocol Number: 15-008264

About this study

The purpose of this study is to compare the clinical results from knee  reconstruction surgery with an irradiated versus a non-irradiated ligament graft.

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

  • >18 years
  • Underwent primary ACL reconstruction between January 31, 2000 and January 31, 2011 at the Mayo Clinic in Rochester Minnesota 
  • Surgery utilized either irradiated or non-irradiated allografts 


Exclusion Criteria

  • Prior ipsilateral knee surgery
  • Prior ligament reconstruction
  • Multi-ligament knee injury 
  • Have associated ipsilateral fractures

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Diane Dahm, M.D.

Closed for enrollment

Contact information:

Diane Dahm M.D.