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Intertrochanteric Femur FracturesNCT02190435

Computer-Assisted Navigation for Intramedullary Nail Fixation of Intertrochanteric Femur Fractures

A study testing Stryker ADAPT computer-assisted navigation and Conventional technique in people with Intertrochanteric Femur Fractures, run by Corewell Health East at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

There are approximately 250,000 hip fractures in the US every year, and intertrochanteric (IT) fractures (fractures that occur just below the femoral head) account for nearly half of these fractures. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Intertrochanteric Femur Fractures
What is being tested?
Stryker ADAPT computer-assisted navigation and Conventional technique
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
65 participants
Where
1 siteUnited States
Study dates
Jul 2014to Jan 2016
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients undergoing hip fracture fixation with a Gamma Nail by one of four orthopaedic trauma surgeons at William Beaumont Hospital Royal Oak
  • Diagnosis of an intertrochanteric femur fracture (AO Classification 31-A1,A2)
  • Low energy mechanism of injury (i.e. fall, twist)

Who cannot join

  • Minors (less than 18 years)
  • Pregnant
  • Have a high energy mechanism of injury (e.g. motor vehicle accident, fall from height)
  • Have an open fracture (i.e. the skin is broken at the fracture site), or
  • Present with multiple injuries to the ipsilateral lower extremity

Trial locations and contacts

1 site in 1 country.

United States1 site
  • William Beaumont Hospital

    Royal Oak, Michigan, 48073

Other trials in United States

About this study

There are approximately 250,000 hip fractures in the US every year, and intertrochanteric (IT) fractures (fractures that occur just below the femoral head) account for nearly half of these fractures. The use of intramedullary (IM) nails for fixation of IT femur fractures has become a well-accepted and increasingly more common procedure among orthopaedic traumatologists, and is standard of care at our institution.

While advancements in intramedullary nail fixation have made it a relatively efficient procedure, the placement of the lag screw into the femoral head still remains a challenging step in the procedure. Inaccurate placement can lead to screw cut-out, one of the most commonly reported complications with IM nail fixation. Previous work has shown that the lag screw position is an important factor in reducing screw cut-out. This step of the procedure can be time demanding and often requires several intraoperative radiographs for accurate placement. Recently developed computer-assisted navigation systems provide surgeons with the ability to track screw placement in real-time. This could allow for improved screw placement and potentially reduce radiation exposure to the patient and surgeon. To date, the potential advantages of computer-assisted navigation have not been examined.

The primary objective of this study is to examine whether the use of Stryker's ADAPT computer-assisted navigation for Gamma nail fixation can result in improved lag screw placement. The secondary objective is to examine whether the use of the ADAPT for Gamma nail fixation can reduce intraoperative radiation exposure.Our hypothesis is that there is a difference in the lag screw placement (i.e. tip to apex distance measurement) between procedures using the ADAPT system versus the conventional technique for Gamma nail fixation. Additionally, we hypothesize that there is a difference in radiation exposure (i.e. fluoroscopy time) between procedures using the ADAPT system versus the conventional technique for Gamma nail fixation.

Being tested
Stryker ADAPT computer-assisted navigation, Conventional technique
Keywords
Computer-assisted navigation, ADAPT, Intramedullary nail, Intertrochanteric femur fracture

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Stryker ADAPT computer-assisted navigationDevice

    Adaptive Positioning Technology for Gamma 3

  • Conventional techniqueDevice

    Conventional Technique

Study groups in NCT02190435
Study groupRoleWhat they receive
ADAPTExperimentalPatients that receive intramedullary nail fixation with use of the Stryker ADAPT computer-assisted navigation system
Receives: Device: Stryker ADAPT computer-assisted navigation
ControlActive comparatorPatients that receive conventional technique intramedullary nail fixation without use of the Stryker ADAPT computer-assisted navigation system
Receives: Device: Conventional technique

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Tip-to-apex Distance

    Distance between lag screw tip and head surface as measured on the ADAPT system

    Measured: Intraoperative

Secondary outcomes (1)
  1. Radiation Exposure

    Intraoperative fluoroscopy exposure time for lag screw placement (seconds)

    Measured: Intraoperative

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Jul 2014 (estimated)
  2. Study startJul 2014
  3. Primary completionJan 2016
  4. Study completionJan 2016

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
65 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02190435
Sponsor's protocol ID
2014-111
Status last verified
Apr 2017
First submitted
11 Jul 2014
Last updated
24 May 2017
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
Yes
Individual data sharing
No

Publications

  • Baumgaertner MR, Curtin SL, Lindskog DM, Keggi JM. The value of the tip-apex distance in predicting failure of fixation of peritrochanteric fractures of the hip. J Bone Joint Surg Am. 1995 Jul;77(7):1058-64. doi: 10.2106/00004623-199507000-00012.

    PubMed 7608228
  • Lobo-Escolar A, Joven E, Iglesias D, Herrera A. Predictive factors for cutting-out in femoral intramedullary nailing. Injury. 2010 Dec;41(12):1312-6. doi: 10.1016/j.injury.2010.08.009. Epub 2010 Sep 15.

    PubMed 20832795
  • Geller JA, Saifi C, Morrison TA, Macaulay W. Tip-apex distance of intramedullary devices as a predictor of cut-out failure in the treatment of peritrochanteric elderly hip fractures. Int Orthop. 2010 Jun;34(5):719-22. doi: 10.1007/s00264-009-0837-7. Epub 2009 Jul 18.

    PubMed 19618186
  • De Bruijn K, den Hartog D, Tuinebreijer W, Roukema G. Reliability of predictors for screw cutout in intertrochanteric hip fractures. J Bone Joint Surg Am. 2012 Jul 18;94(14):1266-72. doi: 10.2106/JBJS.K.00357.

    PubMed 22810396

Questions about this trial

What is this clinical trial studying?

A study testing Stryker ADAPT computer-assisted navigation and Conventional technique in people with Intertrochanteric Femur Fractures, run by Corewell Health East at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 May 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 24 May 2017). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Tip-to-apex Distance (time frame: Intraoperative). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02190435, which also lists 4 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 May 2017.

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