- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00323232
Comparison of Treatment Outcomes in Hip Fractures Surgically Fixed With Either a Two or Four Hole Device.
Two-Hole Versus Four-Hole Dynamic Hip Screw (DHS) for the Treatment of Intertrochanteric Fractures: A Prospective Randomized Trial
Study Overview
Detailed Description
This study has been designed to prospectively evaluate the clinical results of a two-hole versus four-hole dynamic hip screw in the treatment of intertrochanteric fractures.
It is estimated that over 27,000 hip fractures occur in Canada each year, at an estimated cost of $10,000 per patient per hospitalization. Intertrochanteric hip fractures account for approximately half of all hip fractures. While many surgical treatment options exist, the accepted standard fixation device for the treatment of both stable and unstable intertrochanteric hip fractures is the dynamic hip screw.
No consensus exists regarding the optimal number of screws required for adequate side plate fixation for the treatment of intertrochanteric fractures. The most commonly used device is the 135-degree four-hole side plate, however, decreasing the length of the side plate would theoretically allow for a smaller incision site, minimal soft-tissue dissection, shortened operating time, and reduced operative blood loss. This in turn would reduce post-operative pain, blood loss, and length of hospital stay. With the majority of hip fractures occurring in the frail, elderly population, a less invasive procedure potentially decreases overall patient mortality.
Biomechanical studies simulating stable and unstable intertrochanteric fractures have suggested that fewer screws are adequate for good side plate fixation. Two clinical trials have reviewed series of fractures treated with a two-hole DHS and have reported favorable results. No prospective randomized study to date, however, has directly compared the clinical results of the standard four-hole plate with that of the two-hole plate. We propose a study is to evaluate the clinical results of the two-hole versus four-hole plate for the treatment of intertrochanteric fractures with a minimum 6-month follow-up.
This study's aim is to develop clinical outcome data which can be used (a) determine range of expected clinical outcomes resulting from current standard management of these injuries, and (b) as the basis of reporting on the clinical outcomes of these injuries in the peer-reviewed literature.
Patients over the age of 65 who have sustained an isolated 2-, 3-, and 4-part intertrochanteric hip fractures will be included in this study.
Patients who have Pathological, subtrochanteric, reverse obliquity fractures, multiple injuries, and patients whose time to the operating room exceeds 48 hours will be excluded.
The primary outcome measure to be assessed is mechanical failure of fixation. Secondary variables to be assessed during the hospital stay are: length of incision, post-operative pain, analgesic use, operative time, and mean hemoglobin drop. Length of hospital stay and medical complications will also be assessed.
They will subsequently be followed at six weeks, 3 months, and six months post-operatively in clinic with a physical exam and a pelvis and hip radiograph, and an inquiry will be made as to their general medical condition and any significant medical complications since discharge. A functional inquiry and quality of life score will be administered pre-operatively and at each subsequent clinic visit.
Study Type
Enrollment (Anticipated)
Phase
- Phase 4
Contacts and Locations
Study Locations
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British Columbia
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Vancouver, British Columbia, Canada
- Vancouver General Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Consenting patients over the age of 65 with an isolated 2-, 3-, and 4-part intertrochanteric hip fractures will be included in this study.
Exclusion Criteria:
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Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Mechanical failure of fixation (up to 6 months)
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Secondary Outcome Measures
Outcome Measure |
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Length of incision, post-operative pain, analgesic use, operative time, and mean hemoglobin drop. Length of hospital stay and medical complications will also be assessed while hospitalized
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: P J O'Brien, MD, The University of British Columbia
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- C05-0441
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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