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InterTAN: Integrated Dual Screw Design Improve Biomechanics/Function Following Fixation Surgery

Does an Integrated Dual Screw Design Improve Biomechanics and Function Following Fixation of Unstable Intertrochanteric Femur Fractures: A Randomized Pilot Trial (InterTAN)

Who can join

Ages 55 and older · All sexes

Inclusion Criteria:

* Non-pathologic fractures
* OTA/AO classification 31A2, 31A3 fractures
* Ability to participate in 4-MET equivalent activities without ambulatory assistance prior to injury

Exclusion Criteria:

* Inability to consent
* Inability to participate in follow-up activities
* History of chronic pain / current opioid treatment
* Pre-injury ambulatory status requiring assistance device
* Neurological condition altering gait or sensation (e.g. History of stroke with altered gait, peripheral neuropathy).

About the study

The goal of this pilot, patient blinded randomized trial is to develop a mechanistic understanding of gait following fixation of unstable intertrochanteric hip fractures and return to function and pain control. The guiding hypothesis that will be tested in a subsequent clinical trial is that the InterTAN when compared to standard lag-screw cephalomedullary nails will have decreased post operative pain, earlier return to symmetric weight bearing, and quicker return to pre-injury functioning levels.

What is being tested

• Synthes TFNA (device)
• Trigen InterTAN (device)

Sponsor: Paul E. Matuszewski · Participants: 30 · Started: Apr 18, 2025

Contact the study team

• Paul E Matuszewski, MD · Phone: (859) 323-5533
• Matthew Eubank · Phone: (859) 323-5533

Official record on ClinicalTrials.gov — NCT06024304

Locations in the U.S.

Conditions

• Hip Injuries and Disorders

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.