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Patient specific biological responses to total joint replacements

Patient specific biological responses to total joint replacements

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN21046383
Enrollment
200
Registered
2010-06-24
Start date
2009-09-01
Completion date
Unknown
Last updated
2020-01-06

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

Conditions

Topic: Musculoskeletal

Interventions

Patients awaiting hip replacement will have an additional 30 ml of blood collection pre-operatively. Inclusion in the study will not affect patient care in any way, and the surgical procedure will be

Sponsors

University of Leeds (UK)
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients with a Charnley hip prosthesis that has been in situ for 10 years

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

MeasureTime frame
Cytokine released by primary human macrophages from individual patients in response to 100 cubic micrometers of polyethylene.

Secondary

MeasureTime frame
1. Correlation of genotype with clinical outcome of THR surgery 2. Correlation of phenotypic response to cytokine promoter polymorphism genotype 3. Number of patients that are low responders, intermediate responders and aggressive responders to wear particles

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026