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Radiographic evaluation of the Paragon femoral stem over 2 years post hip replacement surgery

Prospective clinical trial assessing subsidence and rotation after Paragon hip stem arthroplasty in patients with a primary diagnosis of non-inflammatory degenerative joint disease

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12615000060549
Acronym
RSA Paragon_RS-11
Enrollment
51
Registered
2015-01-23
Start date
2014-12-12
Completion date
2015-12-10
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

Radiographic evaluation using RSA method to measure migration and stability of the Paragon femoral stem over 2 years post-surgery. Functional evaluation using the Oxford Hip Score. Health related quality of life evaluation using the EQ-5D questionnaire.

Interventions

Patients undergoing primary total hip replacement and suitable for the cementless Paragon hip stem will be selected. Radiographic visible tantalum beads are inserted around the hip prosthesis during surgery. The procedure adds approx 10 minutes to the standard total hip replacment surgery time.

Sponsors

Global Orthopaedic Technology Pty Ltd
Lead SponsorCommercial sector/Industry

Study design

Allocation
Non-randomised trial
Intervention model
Single group
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
21 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

The individual clinically qualifies for a primary total hip replacment using the Paragon cementless hip stem study prosthesis. The individual has a primary diagnosis of non-inflammatory degenerative joint disease. The individual has signed a study specifc informed consent. The individual is physically and mentally willing and able to comply with pre-operative and post-operative assessments and procedures.

Exclusion criteria

The individual has an active infection within the affected hip joint. The individual has had a previous total hip replacement or hip fusion to the affected hip joint. The individual has a neuromuscular or neurosensory deficit which limits the ability to assess the performance of the prosthesis.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026