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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01066936
Other study ID # 2090SMFH131
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 14, 2009
Est. completion date April 18, 2016

Study information

Verified date February 2020
Source Smith & Nephew, Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The objective of this study is to evaluate the bone ingrowth after implantation of the study device. This study will also document any device-related surgical complications or adverse radiographic observations. Improvement in pain, function, and health economic data will be compared with improvements documented with other joint systems.


Description:

The purpose of the current investigation is to assess the bone ingrowth after implantation with a modular, short hip stem using Dual Energy X-ray Absorptiometry (DEXA). The intended use of this product is for patients with non-inflammatory and inflammatory degenerative joint disease who require a primary total hip replacement.


Recruitment information / eligibility

Status Completed
Enrollment 20
Est. completion date April 18, 2016
Est. primary completion date April 18, 2016
Accepts healthy volunteers No
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- Patient has hip disease that requires a total hip arthroplasty.

- Patient is willing to consent to participate in the study.

- Patient plans to be available for the study duration.

- Patient is in stable health and is free of or treated and stabilized for cardiac, pulmonary, hematological, or other conditions that would pose excessive operative risk.

Exclusion Criteria:

- Patient known to have insufficient bone stock.

- Patient has had major non-arthroscopic surgery to the study hip.

- Patient has physical, emotional or neurological conditions that would compromise the patient's compliance with postoperative rehabilitation and follow-up.

- Patient has a known sensitivity to materials in the device.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Australia Malabar Orthopaedic Clinic Windsor

Sponsors (1)

Lead Sponsor Collaborator
Smith & Nephew, Inc.

Country where clinical trial is conducted

Australia, 

Outcome

Type Measure Description Time frame Safety issue
Primary DEXA Analysis of BMD at Preoperative Visit DEXA=Dual Energy X-Ray Absorptiometry; BMD=Bone Mineral Density; The proximal femur was divided into 7 regions relative to the length of the stem. Lateral portions = region 1, region 2 and region 3; The entire bone mass immediately distal to the stem tip = region 4; Medial portions = region 5, region 6, and region 7. Mean BMD was calculated for each femoral region. BMD values were adjusted peri-prosthetically to account for stem area. Preoperative
Primary DEXA Analysis of BMD at 3 Months DEXA=Dual Energy X-Ray Absorptiometry; BMD=Bone Mineral Density; The proximal femur was divided into 7 regions relative to the length of the stem. Lateral portions = region 1, region 2 and region 3; The entire bone mass immediately distal to the stem tip = region 4; Medial portions = region 5, region 6, and region 7. Mean BMD was calculated for each femoral region. BMD values were adjusted peri-prosthetically to account for stem area. 3 Months
Primary DEXA Analysis of BMD at 6 Months DEXA=Dual Energy X-Ray Absorptiometry; BMD=Bone Mineral Density; The proximal femur was divided into 7 regions relative to the length of the stem. Lateral portions = region 1, region 2 and region 3; The entire bone mass immediately distal to the stem tip = region 4; Medial portions = region 5, region 6, and region 7. Mean BMD was calculated for each femoral region. BMD values were adjusted peri-prosthetically to account for stem area. 6 Months
Primary DEXA Analysis of BMD at 1 Year DEXA=Dual Energy X-Ray Absorptiometry; BMD=Bone Mineral Density; The proximal femur was divided into 7 regions relative to the length of the stem. Lateral portions = region 1, region 2 and region 3; The entire bone mass immediately distal to the stem tip = region 4; Medial portions = region 5, region 6, and region 7. Mean BMD was calculated for each femoral region. BMD values were adjusted peri-prosthetically to account for stem area. 1 Year
Primary DEXA Analysis of BMD at 2 Years DEXA=Dual Energy X-Ray Absorptiometry; BMD=Bone Mineral Density; The proximal femur was divided into 7 regions relative to the length of the stem. Lateral portions = region 1, region 2 and region 3; The entire bone mass immediately distal to the stem tip = region 4; Medial portions = region 5, region 6, and region 7. Mean BMD was calculated for each femoral region. BMD values were adjusted peri-prosthetically to account for stem area. 2 Year
Secondary Baseline Harris Hip Score (HHS) at Preoperative Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
Preoperative
Secondary Harris Hip Score (HHS) at 3 Month Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
3 Month
Secondary Harris Hip Score (HHS) at 6 Month Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
6 Months
Secondary Harris Hip Score (HHS) at 1 Year Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
1 Year
Secondary Harris Hip Score (HHS) at 2 Year Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
2 Years
Secondary Harris Hip Score (HHS) at 5 Year Visit The HHS is a physician tool to measure how a subject is doing following hip replacement surgery using the following scale:
Total Scale Ranges:
Excellent: 90 - 100 Good: 80 - 89 Fair: 70 - 79 Poor: 60 - 69 Very Poor: <60
Subscore Ranges:
Pain: 0 - 44 Function: 0 - 47 Absence of Deformity: 0 - 4 Range of Motion: 0 - 5
The score ranges from 0 to 100, where, the higher the score, the better the subject outcome. Lower scores indicate a higher level of dysfunction due to hip problems.
5 Year
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at Preoperative Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
Preoperative
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at 3 Month Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
3 Months
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at 6 Month Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
6 Months
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at 1 Year Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
1 Year
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at 2 Year Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
2 Years
Secondary Hip Injury Osteoarthritis Outcome Score (HOOS) at 5 Year Visit The HOOS is a questionnaire that the subject completes focusing on hip pain, stiffness, and function relating to osteoarthritis of the hip. The HOOS consists of 40 items assessing 5 subscales. The 5 separate patient-relevant dimensions are Symptoms and Stiffness, Pain, Function in Daily Living, Function in Sport and Recreation, and Hip-Related Quality of Life (QoL).
Pain includes 10 items with a total score of 0 - 100 points Symptoms includes 5 items with a total score of 0 - 100 points Function in Daily Living includes 17 items with a total score of 0 - 100 points Function in Sport and Recreation and Hip-Related QoL each include 4 items with a total score of 0 - 100 points.
Each sub-score was transformed in a worst to best scale (0-100), where 100 indicates no symptoms and 0 indicates extreme symptoms.
5 Years
Secondary Radiographic Assessment at Preoperative Visit (Yes/No Components) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. The span of the bone-prosthesis interface for each component was broken down into zone systems. The scoring system was based on the measurement of radiolucent lines (in millimeters) in each zone. The checklist reviewed radiolucencies, migration, osteolysis, and stress shielding.
The Brooker Classification was defined as:
Class 0 - absence of radiographic heterotopic ossification Class 1 - islands of bone within soft tissues Class 2 - bone spurs originating from pelvis or proximal end of femur with at least 1 cm between opposing bone surfaces Class 3 - bone spurs originating from pelvis or proximal end of femur reduced to <1 cm Class 4 - apparent bone ankyloses of the hip
Discharge
Secondary Radiographic Assessment at 3 Month Visit (Yes/No Components) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. The span of the bone-prosthesis interface for each component was broken down into zone systems. The scoring system was based on the measurement of radiolucent lines (in millimeters) in each zone. The checklist reviewed radiolucencies, migration, osteolysis, and stress shielding.
The Brooker Classification was defined as:
Class 0 - absence of radiographic heterotopic ossification Class 1 - islands of bone within soft tissues Class 2 - bone spurs originating from pelvis or proximal end of femur with at least 1 cm between opposing bone surfaces Class 3 - bone spurs originating from pelvis or proximal end of femur reduced to <1 cm Class 4 - apparent bone ankyloses of the hip
3 Months
Secondary Radiographic Assessment at 1 Year Visit (Yes/No Components) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. The span of the bone-prosthesis interface for each component was broken down into zone systems. The scoring system was based on the measurement of radiolucent lines (in millimeters) in each zone. The checklist reviewed radiolucencies, migration, osteolysis, and stress shielding.
The Brooker Classification was defined as:
Class 0 - absence of radiographic heterotopic ossification Class 1 - islands of bone within soft tissues Class 2 - bone spurs originating from pelvis or proximal end of femur with at least 1 cm between opposing bone surfaces Class 3 - bone spurs originating from pelvis or proximal end of femur reduced to <1 cm Class 4 - apparent bone ankyloses of the hip
1 Year
Secondary Radiographic Assessment at 5 Year Visit (Yes/No Components) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. The span of the bone-prosthesis interface for each component was broken down into zone systems. The scoring system was based on the measurement of radiolucent lines (in millimeters) in each zone. The checklist reviewed radiolucencies, migration, osteolysis, and stress shielding.
The Brooker Classification was defined as:
Class 0 - absence of radiographic heterotopic ossification Class 1 - islands of bone within soft tissues Class 2 - bone spurs originating from pelvis or proximal end of femur with at least 1 cm between opposing bone surfaces Class 3 - bone spurs originating from pelvis or proximal end of femur reduced to <1 cm Class 4 - apparent bone ankyloses of the hip
5 Year
Secondary Radiographic Assessment at Discharge Visit Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. Discharge
Secondary Radiographic Assessment at 3 Month Visit Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 3 Months
Secondary Radiographic Assessment at 1 Year Visit Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 1 Year
Secondary Radiographic Assessment at 5 Year Visit Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 5 Year
Secondary Radiographic Assessment at Discharge Visit (Neutral/Valgus Component) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. Discharge
Secondary Radiographic Assessment at 3 Month Visit (Neutral/Valgus Component) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 3 Months
Secondary Radiographic Assessment at 1 Year Visit (Neutral/Valgus Component) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 1 Year
Secondary Radiographic Assessment at 5 Year Visit (Neutral/Valgus Component) Radiographs were obtained from the anteroposterior (AP) view as well as the lateral view. 5 Years
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