Trial Outcomes & Findings for Retrospective Study on Radiological Factors Predictive of Psoas Impingement (NCT NCT05893823)
NCT ID: NCT05893823
Last Updated: 2025-07-01
Results Overview
The angle between the tangent to the cup opening and the tangent to the posterior ischial spines in the axial plane
Recruitment status
COMPLETED
Target enrollment
52 participants
Primary outcome timeframe
at baseline (day 0)
Results posted on
2025-07-01
Participant Flow
Participant milestones
| Measure |
Cases
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Overall Study
STARTED
|
35
|
17
|
|
Overall Study
COMPLETED
|
35
|
17
|
|
Overall Study
NOT COMPLETED
|
0
|
0
|
Reasons for withdrawal
Withdrawal data not reported
Baseline Characteristics
Race and Ethnicity were not collected from any participant.
Baseline characteristics by cohort
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
Total
n=52 Participants
Total of all reporting groups
|
|---|---|---|---|
|
Age, Continuous
|
53.5 years
STANDARD_DEVIATION 11.8 • n=35 Participants
|
54.1 years
STANDARD_DEVIATION 15.3 • n=17 Participants
|
53.7 years
STANDARD_DEVIATION 12.9 • n=52 Participants
|
|
Sex: Female, Male
Female
|
20 Participants
n=35 Participants
|
9 Participants
n=17 Participants
|
29 Participants
n=52 Participants
|
|
Sex: Female, Male
Male
|
15 Participants
n=35 Participants
|
8 Participants
n=17 Participants
|
23 Participants
n=52 Participants
|
|
Race and Ethnicity Not Collected
|
—
|
—
|
0 Participants
Race and Ethnicity were not collected from any participant.
|
|
Cup protrusion
Cup protrusion on sagital plane
|
12.8 millimeters
STANDARD_DEVIATION 5.6 • n=35 Participants
|
14.9 millimeters
STANDARD_DEVIATION 5.4 • n=17 Participants
|
13.5 millimeters
STANDARD_DEVIATION 5.6 • n=52 Participants
|
|
Cup protrusion
Cup protrusion on frontal plane
|
5.9 millimeters
STANDARD_DEVIATION 4.8 • n=35 Participants
|
7.6 millimeters
STANDARD_DEVIATION 3.4 • n=17 Participants
|
6.4 millimeters
STANDARD_DEVIATION 4.5 • n=52 Participants
|
PRIMARY outcome
Timeframe: at baseline (day 0)The angle between the tangent to the cup opening and the tangent to the posterior ischial spines in the axial plane
Outcome measures
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Acetabular Cup Antiversion
|
19.8 degree
Standard Deviation 9.5
|
11.5 degree
Standard Deviation 9.4
|
PRIMARY outcome
Timeframe: at baseline (day 0)The angle between the tangent to the cup opening and the interteardrop line in the frontal plane
Outcome measures
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Acetabular Cup Inclination
|
41.8 degree
Standard Deviation 6.9
|
43.5 degree
Standard Deviation 5.8
|
PRIMARY outcome
Timeframe: at baseline (day 0)The distance between the center of rotation and the femoral axis in the frontal plane
Outcome measures
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Femoral Offset
|
40.2 millimeters
Standard Deviation 5.8
|
38.4 millimeters
Standard Deviation 7.7
|
PRIMARY outcome
Timeframe: at baseline (day 0)The distance between the center of rotation and the Kohler line in the frontal plane
Outcome measures
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Acetabular Offset
|
32.0 millimeters
Standard Deviation 4.5
|
33.8 millimeters
Standard Deviation 5.6
|
PRIMARY outcome
Timeframe: at baseline (day 0)The distance between the native hip center of rotation and the acetabular cup center of rotation in the axial plane
Outcome measures
| Measure |
Cases
n=35 Participants
Patients that have symptomatic psoas impingement in a protruding acetabular cup documented by a Pelvis CT scan
|
Controls
n=17 Participants
Asymptomatic patients with a protruding acetabular cup documented by a Pelvis CT scan
|
|---|---|---|
|
Eccentric Reaming
|
1.8 millimeters
Standard Deviation 4.0
|
0.8 millimeters
Standard Deviation 3.7
|
Adverse Events
Cases
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
Controls
Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place