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Locally Administered Clodronate in the Prevention of Aseptic Implant Loosening

Hip Arthrosis Clinical Trial

Official title:
Could the Intra-operative Clodronate Rinsing Improve the Integration of the Femoral Stem in a Prospective, Double-blinded, Randomized, Placebo-controlled Clinical RSA-study

Clinical Trial Summary

Periprosthetic bone-loss after total hip arthroplasty (THA), detected as an early migration of the prosthesis, may predict later loosening. The investigators hypothesized that by reducing bone resorption after THA with bisphosphonates, it might be possible to achieve better early fixation of the implant.

Nineteen patients suffering arthrosis were recruited to a prospective, double-blinded, randomized, placebo-controlled clinical pilot trial. Patients were operated with an uncemented Bimetric stem with tantalum markers, the acetabular cup and liner were chosen by the surgeon. The femoral proximal intramedullary canal was rinsed with 1mM (millimole) clodronate, that was done by adding the clodronate to the 1000 ml 0.9% NaCl (sodium chloride) in nine patients and rinsing solution was the pure 0.9% NaCl for 10 patients. These rinsing packages were labeled only with the code from the pharmacy of the hospital. These patients were followed for two years using radiostereometric analysis (RSA), dual energy x-ray absorptiometry (DXA) and the Harris hip score (HHS).

The purpose of the investigator's study was to examine whether the local intraoperative administration of clodronate could reduce periprosthetic bone loss and further stem migration after primary THA.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03803839
Study type Interventional
Source University of Oulu
Contact
Status Completed
Phase Early Phase 1
Start date March 26, 2004
Completion date March 12, 2014
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