NCT06251349

Brief Summary

Aim of this study is to proof the efficacy of in Jena established prophylaxis of new bone formation aside the skeleton with irradiation and compare it with the common literature. Furthermore we want to compare irradiation treatment with the alternative prophylaxis with analgetics from the NSAID type.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
512

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2013

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2013

Completed
11 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
22 days until next milestone

First Submitted

Initial submission to the registry

January 22, 2024

Completed
18 days until next milestone

First Posted

Study publicly available on registry

February 9, 2024

Completed
Last Updated

February 9, 2024

Status Verified

February 1, 2024

Enrollment Period

11 years

First QC Date

January 22, 2024

Last Update Submit

February 1, 2024

Conditions

Keywords

Heterotopic OssificationTotal Hip ArthroplastyIrradiation HipDiclofenacPrevention of HONSAIDBrooker Classification

Outcome Measures

Primary Outcomes (1)

  • Presence of heterotopic ossification (HO)

    X-ray controlled HO diagnostics with the Brooker classification

    at least 365 days postoperative

Study Arms (2)

Intervention group with prophylactic irradiation

Patients with total hip arthroplasty and irradiation (preoperative on the day before the operation (\>24h preoperative)) Quantity: 128 Period: 01.01.2013 - 31.12.2023

Radiation: Radiation

Control group with prophylactic NSAID-treatment

Patients with total hip arthroplasty and diclofenac treatment Quantity: 384 Period: 01.01.2013 - 31.12.2023

Drug: Diclofenac

Interventions

RadiationRADIATION

Single dose radiation with 7-8 Gy

Intervention group with prophylactic irradiation

postoperative treatment with diclofenac to prevent HO

Also known as: NSAID-Treatment
Control group with prophylactic NSAID-treatment

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All participants of the study are patients at the Universitätsklinikum Jena or the Waldkrankenhaus Eisenberg. Irradiation was performed in Jena. Total hip arthoplasty and following inpatient stay, inclusive NSAID therapy was performed in Eisenberg

You may qualify if:

  • Patients with total hip arthroplasty performed at Eisenberg Patients with preoperative irradiation (24h pre-op) or postoperative diclofenac treatment Patients with x-ray images immediately (3-5 days postoperative) postoperative and at least 365 days postoperative

You may not qualify if:

  • Patients with missing follow up image

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Radiooncology, Jena

Jena, 07743, Germany

Location

MeSH Terms

Conditions

Ossification, Heterotopic

Interventions

RadiationDiclofenac

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Physical PhenomenaPhenylacetatesAcids, CarbocyclicCarboxylic AcidsOrganic Chemicals

Study Officials

  • Matthias Mäurer, Dr.

    Klinik für Strahlentherapie und Radioonkologie des Universitätsklinikums Jena

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

January 22, 2024

First Posted

February 9, 2024

Study Start

January 1, 2013

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

February 9, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Locations