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Hva betyr noe for pasienter med alvorlig hofte- eller kneartrose? (PATI-Project)

23. september 2026 oppdatert av: Vejle Hospital

Hva betyr noe for pasienter med alvorlig hofte- eller kneartrose? Beslutningskvalitet, pasientinvolvering og helseutfall

This clinical trial aims to investigate if shared decision-making, and the use of an in-consultation patient decision aid (PtDA), increases the decisional quality and therefore treatment satisfaction and outcome of patients with severe hip or knee osteoarthritis.

Finally, an evaluation will be conducted on patient-reported outcomes on pain, physical function, quality of life (QoL), and patient satisfaction, up to one year after surgery.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Osteoarthritis (OA) is the most common joint disease and a major cause of disability worldwide. The condition typically affects the hip or knee, and as the condition progresses it frequently causes debilitating pain and stiffness in the affected joints; thus impairing mobility, and decreasing function and quality of life(QoL).

Approximately 10,300 primary hip arthroplasties (THA) and 10,000 primary knee arthroplasties (TKA/UKA) were performed in Denmark in 2021.

For the majority of patients with severe osteoarthritis, evidence shows that joint replacement surgery is life-changing. Despite this documented effect, not all patients achieve optimal results. Patient dissatisfaction following THA and TKA has been reported as 7 % and 11-18%, respectively.

It is hypothesized that a lack of adequate information and patient involvement in the decision process might lead to the misalignment of patients' expectations and subsequent dissatisfaction. Considerable evidence shows that patients prefer more information and greater involvement. This strongly supports the concept that patients need to be actively involved in treatment decisions.

Accordingly, increasing patient involvement in healthcare decisions may be beneficial. Shared decision-making (SDM) supports patients' active involvement in the process and improves the quality of decisions. SDM can be facilitated using a PtDA, which has shown significant benefits in a range of patient groups. However, research on SDM and PtDAs in patients with severe hip or knee OA is lacking.

The overall aim of this project is to investigate if an in-consultation PtDA increases the decision quality for patients with severe OA of the hip or knee.

Studietype

Intervensjonell

Registrering (Faktiske)

615

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Danmark
      • Odense, Danmark, 5000
        • Odense University Hospital, OUH
      • Svendborg, Danmark, 5700
        • Odense University Hospital, OUH
      • Vejle, Danmark, 7100
        • Lillebaelt Hospital - Vejle

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år og eldre (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Severe primary osteoarthritis eligible for primary total hip arthroplasty (THA) / primary total knee arthroplasty (TKA) / primary partial knee arthroplasty (UKA)
  • Able to understand and read Danish
  • Informed consent

Exclusion Criteria:

  • Previous THA, TKA, or UKA on the contralateral side
  • Cognitive impairment
  • Non-OA-related reason for the visit
  • No digital mailbox (E-boks)

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Støttende omsorg
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Enkelt

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Shared decision-making (SDM)

Patients will be informed by a nurse before being consulted by the surgeon randomized to SDM and use the in-consultation PtDA during the consultation on patients with severe hip or knee osteoarthritis
Atferdsmessig: Shared decision-making supported by an in-consultation PtDA to patients with severe osteoarthritis in their hip or knee

The intervention group has been involved in the development process of the PtDA. After receiving a training course in SDM and the use of a PtDA, the surgeons will practice SDM supported by an in-consultation PtDA during the consultations with the participant.
Ingen inngripen: Usual practice

Patients will be informed by a nurse before being consulted by the surgeon randomized to usual practice during the consultation on patients with severe hip or knee osteoarthritis

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
The participant's decisional quality according to The Hip/Knee Osteoarthritis Decision Quality Instrument (HK-DQI).
Tidsramme: Within one week after inclusion in the consultation

Informed Patient-Centered (IPC) decision is calculated as the percentage of patients who are well-informed and received their preferred treatment.
Within one week after inclusion in the consultation

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Participant's engagement in the decision-making process as measured by the CollaboRATE questionnaire
Tidsramme: Within one week after inclusion in the consultation

Minimum value: 0. Maximum value: 100. The higher the value the more shared decision-making
Within one week after inclusion in the consultation
Participant's involvement in the decision-making process as measured by the HK-DQI questionnaire
Tidsramme: Within one week after inclusion in the consultation

HK-DQI, section 3, decision-making process: Minimum value: 0. Maximum value: 100. The higher the value the more shared decision-making
Within one week after inclusion in the consultation
The duration of consultation when PtDA is used compared to standard consultation without the use of PtDA.
Tidsramme: Through study completion, an average of 1 year

The time duration will be documented by the surgeons
Through study completion, an average of 1 year

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Participant's Qol when undergoing hip or knee replacement surgery as measured by EuroQol (EQ-5D)
Tidsramme: Three months and one year following surgery.

QoL: EuroQol (EQ-5D): Measuring the health-related quality of life. Presenting in three levels; Level 1: Indicating no problem, to Level 3: Indicating extreme problems
Three months and one year following surgery.
The participant's pain and physical function after undergoing hip replacement surgery as measured by the Oxford Hip Score (OHS) questionnaire
Tidsramme: Three months and one year following surgery

Oxford Hip Score (OHS): Measuring function and pain with patients undergoing hip replacement surgery. Total scores range from 0 (poorest function) to 48 (maximal function).
Three months and one year following surgery
The participant's pain and physical function after undergoing knee replacement surgery as measured by the Oxford Knee Score (OKS) questionnaire
Tidsramme: Three months and one year following surgery

Oxford Knee Score (OKS): Measuring function and pain with patients undergoing knee replacement surgery. Total scores range from 0 (poorest function) to 48 (maximal function).
Three months and one year following surgery
The participant's physical function after undergoing hip or knee replacement surgery as measured by Forgotten Joint Score (FJS) questionnaire
Tidsramme: Three months and one year following surgery.

Forgotten joint score (FJS): Measuring the participants' awareness of their artificial joint during activity of daily living (ADL). Minimum value: 0. Maximum value: 100. The higher score, the less the patient is aware of their affected joint.
Three months and one year following surgery.
Participant's regret of the treatment decision as measured by the Decision Regret Scale questionnaire.
Tidsramme: Three months and one year following surgery.

The Decision Regret Scale: Minimum value: 0. Maximum value: 100. The higher the value the more regret.
Three months and one year following surgery.
Participant's satisfaction after undergoing hip or knee replacement surgery as measured by the patient satisfaction questionnaire (PSQ)
Tidsramme: Three months and one year following surgery.

The patient satisfaction questionnaire (PSQ): The higher the value the more satisfaction.
Three months and one year following surgery.

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Vejle Hospital

Samarbeidspartnere

Odense University Hospital

Etterforskere

  • Hovedetterforsker: Trine Ahlmann, PhD stud, Vejle Hospital
  • Studiestol: Claus Varnum, Ass.Prof.MD, Vejle Hospital
  • Studiestol: Martin Lindberg-Larsen, Ass.Prof.MD., Odense University Hospital
  • Studiestol: Charlotte Myhre Jensen, Ass.Prof.RN, Odense University Hospital
  • Studiestol: Karina Dahl Steffensen, Prof.MD., Vejle Hospital

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Generelle publikasjoner

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

11. oktober 2023

Primær fullføring (Faktiske)

29. november 2024

Studiet fullført (Faktiske)

11. juli 2026

Datoer for studieregistrering

Først innsendt

8. juni 2023

Først innsendt som oppfylte QC-kriteriene

24. juli 2023

Først lagt ut (Faktiske)

2. august 2023

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

24. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

23. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • S-20200137

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

All data of the outcome measures will be available in an anonymized form if required by the scientific journal, in which the results of the trial will be published.

IPD-delingstidsramme

Data will be available after the publication of the trial

Tilgangskriterier for IPD-deling

Data access will be reviewed by the author's group

IPD-deling Støtteinformasjonstype

  • STUDY_PROTOCOL
  • SEVJE
  • ICF
  • ANALYTIC_CODE

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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