Bone Study: LRTI in patients with Thumb MP Hyperextension 

Thumb metacarpophalangeal hyperextension in an arthritic population

In this second phase of this prospective observational study we will enroll patients with MP hyperextension (backward extension of the thumb joint) preoperatively that their surgeon does not plan to treat surgically. We plan to assess a postoperative change in the control of the untreated thumb joint and collect data on the function of the thumb after surgery.

Are you eligible to participate in this study?

Inclusion Criteria:

  • Adults (18 years of age or older)
  • Patients presenting with symptomatic thumb arthritis
  • Patients who plan to undergo a ligament reconstruction and tendon interposition (LRTI) or thumb suspensionplasty procedure within 6 months of enrolling to study

Exclusion criteria:

  • Prior LRTI or other thumb arthroplasty surgery
  • Inflammatory arthritis
  • Arthritis caused by a traumatic injury to the thumb
  • Ehler-Danlos Syndrome

What do you need to know?

Participation in research is entirely voluntary. If you think you qualify to be part of this study, ask your doctor about participation.

Contact us if you are eligible and interested in this study

Please contact Lexie Reissaus, Clinical Research Manager at

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