N/A
Completed N=20
Retrospective Observational Cohort Study of SYMBOL CUP DM 2
Revision Total Hip Arthroplasty · Primary Total Hip Arthroplasty
Source: ClinicalTrials.gov NCT04209426 ↗
Enrolled (actual)
20
Serious AEs
35.0%
Results posted
Apr 2025
Primary outcomePrimary: Implant Survival: Acetabular Cup Survival at 2-year Follow-up — 94.7; 100 percentage of implants survival
Summary
This is a single-center retrospective observational cohort study of consecutively operated patients who underwent total hip arthroplasty (THA) with a SYMBOL CUP DMR HA or a SYMBOL CUP DM CEM hemispherical dual mobility acetabular implant. The purpose of this study is to estimate the safety and efficacy of those two implants at two-year follow-up.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Implant Survival: Acetabular Cup Survival at 2-year Follow-up |
94.7; 100 | — |
| SECONDARY Number of Patients With One or Several Post-operative Adverse Events and Count of Each Serious Adverse Event and Aggregate Count of Adverse Events |
10; 0 | — |
| SECONDARY Harris Hip Score (HHS) at Baseline and 1-year Follow-up |
34; 58; 89; 86 | — |
| SECONDARY The Modified Harris Hip Score (Modified HHS) at Baseline, 1-year and 2-year Follow-up |
29; 49; 80; 77; 87; 80 | — |
Eligibility Criteria
Inclusion Criteria
- All patients with total hip implant using hemispheric dual-mobility SYMBOL CUP DMR HA or SYMBOL CUP DM CEM
- Operation performed by the primary investigator
- Delay between index operation and March 1 2018 has reached 2 years
Exclusion Criteria
- patient refusal to participate in the study
- minors (age < 18 years)
- patients under guardianship
Data sourced from ClinicalTrials.gov (NCT04209426). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.