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)
1 other identifier
interventional
30
0 countries
N/A
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Aug 2025
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 13, 2022
CompletedFirst Posted
Study publicly available on registry
September 6, 2023
CompletedStudy Start
First participant enrolled
August 1, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2027
ExpectedMarch 10, 2025
March 1, 2025
5 months
April 13, 2022
March 5, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Change in self-reported physical function
Patient Reported Outcomes Measurement Information System (PROMIS) Physical Function Questionnaire is a 53 question survey with a five point Likert scale ranging from 1 to 5 where a higher number indicates less physical function.
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Change in self-reported pain
Patient Reported Outcomes Measurement Information System (PROMIS) Pain Interference Questionnaire is a 56 question survey with a five point Likert scale ranging from 1 to 5 where a higher number indicates increased interference due to pain.
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Secondary Outcomes (4)
Change in Functional Independence Measure
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Change in pain assessment
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Change in weight bearing
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Change in Visual Analog Pain Score
2 weeks, 6 weeks, 12 weeks, 26 weeks, 12 months
Study Arms (2)
Trigen InterTan
ACTIVE COMPARATORPatients in this arm will be implanted with the cephalomedullary nail Trigen InterTan manufactured by Smith \& Nephew.
Synthes TFNA
ACTIVE COMPARATORPatients in this arm will be implanted with the single-screw device TFNA manufactured by DePuy Synthes.
Interventions
Surgical fixation with single-screw device Synthes TFNA; Pelvic fractures will be repaired utilizing single-screw device Synthes TFNA.
Surgical fixation with Smith and Nephew Trigen InterTAN cephalomedullary long nail; Pelvic fractures will be repaired utilizing Smith and Nephew Trigen InterTAN.
Eligibility Criteria
You may qualify if:
- Non-pathologic fractures
- OTA/AO classification 31A2, 31A3 fractures
- Ability to participate in 4-MET equivalent activities without ambulatory assistance prior to injury
You may not qualify if:
- 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).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Paul Matuszewski, MD
University of Kentucky
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
April 13, 2022
First Posted
September 6, 2023
Study Start
August 1, 2025
Primary Completion
January 1, 2026
Study Completion (Estimated)
January 1, 2027
Last Updated
March 10, 2025
Record last verified: 2025-03
Data Sharing
- IPD Sharing
- Will not share