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Effect of an Information- and Self-management App for People With Knee Osteoarthritis (OA-AID)

17. května 2026 aktualizováno: Anne Therese Tveter, Diakonhjemmet Hospital

The primary aim of the trial is to assess if an information- and self-management app provided in the period between referral and consultation in specialist healthcare can improve knowledge about osteoarthritis and decision quality during consultation in patients with knee osteoarthritis.

204 patients will be randomized to either being on the waiting list for consultation, accessing publically available information about osteoarthritis (control group) or getting access to an 8-week information- and self-management intervention delivered through the Genus app prior to consultation.

Pasients with answer questionnaires at baseline, 4 weeks (intervention group only), 8 weeks, post consultation and 1 and 2 years after consultation.

The Genus app contains information videos, exercise videos, quizzes, feedback and questionnaires provided in a progressive order over an 8 week period.

Přehled studie

Postavení

Nábor

Podmínky

Intervence / Léčba

Typ studie

Intervenční

Zápis (Odhadovaný)

204

Fáze

  • Nelze použít

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní kontakt

Studijní místa

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

  • Dospělý
  • Starší dospělý

Přijímá zdravé dobrovolníky

Ne

Popis

Inclusion Criteria:

  • Men and women > 50 years referred to specialist healthcare for knee OA management

Exclusion Criteria:

  • Received joint replacement or are under consideration for revision in the referred joint
  • Have undergone joint replacement surgery in opposite knee
  • Have uncontrolled serious comorbidities
  • Have cognitive deficits
  • Are seeking care for recent knee trauma conditions (less than 6 months after trauma) or mainly psoriatic/rheumatoid arthritis
  • Unable to understand Norwegian
  • Do not possess a smartphone

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Léčba
  • Přidělení: Randomizované
  • Intervenční model: Paralelní přiřazení
  • Maskování: Žádné (otevřený štítek)

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Experimentální: Intervention group
Getting access to an information- and self-management app in the waiting period from referral to consultation in specialist healthcare
Přístroj: Information- and self-management app
An information- and self-management intervention delivered through the Genus app, including information videos, exercise videos, questionnaires, quizzes and feedback provided over an 8 week period prior to consultation in specialist healthcare
Aktivní komparátor: Control group
Getting access to publicly available information in the waiting period from referral to consultation in specialist healthcare
Jiný: Control
Information on where to access publically available information about knee osteoarthritis

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Knee Osteoathritis Knowlegde Scale (KOAKS)
Časové okno: Baseline, 8 weeks, approx. 2-4 months after baseline (1 day after consultation (post consultation))
11 statements about osteoarthritis and treatment options, answered on a 5-point scale from 1 (=true) to 5 (=not true), summed up to a scale from 11 to 55
Baseline, 8 weeks, approx. 2-4 months after baseline (1 day after consultation (post consultation))
Decision Conflict Scale (DCS)
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
16 statements with 5 response categories about the patients uncertainty with treatment options. The total score range from 0 (no decisional conflict) to 100 (extreme decisional conflict). The DCS also has five subscales (all 0-100): 1) uncertainty, 2) informed, 3) values clarity, 4) support, and 5) effective decision.
approx. 2-4 months after baseline (1 day after consultation (post consultation))

Sekundární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Concordance between preferences and treatment decision
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured with one qustion form the Decision Conflict Scale (DSC), 5 response options.
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Decisional quality
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured with section 3 (decision process scale) in the Decision Quality Index for Knee Osteoarthritis (K-DQI) which consists of 5 questions. Four of these questions are summed to a 0-4 score with higher score indicating more shared decision-making.
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Level of shared decision-making
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Mesured with the CollaboRATE questionnaire, comprising 3 questions measured on a 0-9 scale, with a higher score indicating better experience. Scores are calculated using the top score method indicating the percentage of patients scoring top score for all three questions, or
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Satisfaction with treatment choice
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured on a numeric rating scale (0-10, with higher score indicating more satisfaction)
approx. 2-4 months after baseline (1 day after consultation (post consultation))

Další výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Motivation for exercise
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks
Measured on a numeric rating scale from 0 to 10 with higher score indicating higher motivation
Baseline, 4 weeks (only intervention group), 8 weeks
Motivation for surgery
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks
Measured on a numeric rating scale from 0 to 10 with higher score indicating higher motivation
Baseline, 4 weeks (only intervention group), 8 weeks
Assessment of knee-related pain
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Measured with the Knee Injury and Osteoarthritis Outcome Score (pain section), comprising 9 questions scored on a 5-point scale and calculated to a 0-100 score with higher score indicating less pain
Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Assessment of knee-related function
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Measured with the Knee Injury and Osteoarthritis Outcome Score (function section), comprising 17 questions scored on a 5-point scale and calculated to a 0-100 score with higher score indicating less pain
Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Assessment of knee-related quality of life
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Measured with the Knee Injury and Osteoarthritis Outcome Score (quality of life section), comprising 4 questions scored on a 5-point scale and calculated to a 0-100 score with higher score indicating less pain
Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Health-related quality of life
Časové okno: Baseline, 1 and 2 years
Mesured with EQ-5D-5L, comprising 5 questions with 5 response options. Summed to an utility index from 1 to 0, with 1 being best health-related quality of life. Additionally a visual analog scale from 0 to 100 with 100 indicating best health.
Baseline, 1 and 2 years
Level of shared decision-making therapist
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured with 7 statements from the MAPPIN'SDM Therapist, measured on a 5-point scale
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Preferred decision-making role
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured with the Control Preference Scale, comprising a question with 5 statements about roles, corresponding to active role, collaborative role and passive role
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Illness perception
Časové okno: Baseline, 8 weeks
Measured with the Brief Illness Perception Questionnaire (B-IPQ) comprising 8 questions scored on a 0-10 scale, summed to a 0 to 80 score with higher score indicating poorer illness perception
Baseline, 8 weeks
Pain self-efficacy
Časové okno: Baseline, 8 weeks
Measured with the Pain Self-Efficacy Questionnaire (PSEQ-2) comprising 2 questions about pain self-efficacy, answered on a 0 (not at all confident) to 6 (completely confident) scale.
Baseline, 8 weeks
Pain catastrophizing
Časové okno: Baseline, 8 weeks
Measured with one question about consern about pain, measured on a 0 (not at all) to 4 (all the time) scale.
Baseline, 8 weeks
Pain intensity
Časové okno: Baseline, 8 weeks
Measured with four questions from the Brief Pain Inventory, assessed on numeric rating scales from 0 (no pain) to 10 (worst possible pain).
Baseline, 8 weeks
Pain intensity now
Časové okno: Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Measured with one question about pain intensity now on a numeric rating scale from 0 (no pain) to 10 (worst possible pain).
Baseline, 4 weeks (only intervention group), 8 weeks, 1 and 2 years
Disease activity
Časové okno: Baseline, 8 weeks, 1 and 2 years
Measured with a numeric rating scale from 0 (no disease activity) to 10 (worst disease activity)
Baseline, 8 weeks, 1 and 2 years
Fatigue
Časové okno: Baseline, 8 weeks, 1 and 2 years
Measured on a numeric rating scale from 0 (no fatigue) to 10 (worst possible fatigue)
Baseline, 8 weeks, 1 and 2 years
Importance of treatment options
Časové okno: Baseline, 8 weeks
Measured with five questions from Dicision Quality Index for Knee Osteoarthritis (section 1). Assessed on numeric rating scales from 0 (not at all important) to 10 (extremely important)
Baseline, 8 weeks
Preferred treatment
Časové okno: Baseline, 8 weeks
Measured with a question about if they prefer surgery or non-surgical treatment
Baseline, 8 weeks
Health literacy
Časové okno: Baseline
Measured with the HLS19-Q12 comprising 12 questions about health literacy answered on a 4-point likert scale from 1 (very difficult) to 4 (very easy). Calculated as percentage (0-100) of items with valid responses that were answered with very easy or easy
Baseline
Self-efficacy of digital solutions
Časové okno: Baseline
Measured with six questions about the self-efficacy of using different digital solutions (mobile phone, tablet, computer, apps, identification portal, helsenorge.no), assessed on a 6-point scale from never tried to manage very well
Baseline
Previous treatment
Časové okno: Baseline
Assessment of previous treatment, answered with yes/no on questions related to previous physiotherapy treatment, previous osteoarthritis school,
Baseline
Health problems impact on daily living
Časové okno: Baseline, 8 weeks, 1 and 2 years
Measured with one question from the Work Productivity and Activity Impairment questionnaire (WPAI) (question 6), anwered on a numeric rating scale from 0 (no effect on daily activities) to 10 (completely prevent from doing daily activities)
Baseline, 8 weeks, 1 and 2 years
Decision regret
Časové okno: approx. 2-4 months after baseline (1 day after consultation (post consultation))
Measured with item 2 from the Decision regret scale, answered on a 5-point scale from totally agree to totally disagree
approx. 2-4 months after baseline (1 day after consultation (post consultation))
Use of pain medication
Časové okno: Baseline, 8 weeks, 1 and 2 years
Assessed with an open-ended question about the use of pain medication last three months (type and dosage)
Baseline, 8 weeks, 1 and 2 years
Demographics
Časové okno: Baseline
Measured with questions about gender, age, education level, working status, smoking, living arrangements, sosioeconomic status, and support
Baseline
Antropometrics
Časové okno: Baseline
Measured as self-reported hight and weight
Baseline
Joint-spesific information
Časové okno: Baseline
Measured with questions about most trouble some knee, duration of complaints, other joints with complaints
Baseline
Exercise level
Časové okno: Baseline, 8 weeks, 1 and 2 years
Measured with one question about exercise level answered on a 5-point scale from do not exercise to exercise 3 or more times per week
Baseline, 8 weeks, 1 and 2 years
Comorbidities
Časové okno: Baseline
Assessed with 15 questions about the presens of different diseases (yes/no)
Baseline
Usability of the app
Časové okno: 8 weeks (only intervention group)
Measured with System Usability Scale (SUS) comprising 10 statements answered on a 5-point scale from strongly disagree to strongly agree, converted to a 0 to 100 score with higher score indicating better usability
8 weeks (only intervention group)
Satisfaction with the app
Časové okno: 8 weeks (only the intervention group)
Measured with two questions about the satisfaction with the information videos and exercise videos in the app, answered on numeric rating scales from 0 (not statisfied) to 10 (very satisfied)
8 weeks (only the intervention group)
Suitability of the app
Časové okno: 8 weeks (only the intervention group)
Measured with two questions about the suitability of providing information and exercises through an app, answered on numeric rating scales from 0 (not suitable) to 10 (very suitable)
8 weeks (only the intervention group)
Surgical treatment
Časové okno: 1 and 2 years
Measured with a question about whether the patient has undergone surgical treatment (yes/no) and for those answering yes; five questions about the improvement/satisfaction with the surgical treatment, measured on a 5-point scale from very satisfied to very dissatisfied
1 and 2 years

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Sponzor

Diakonhjemmet Hospital

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia (Aktuální)

30. října 2025

Primární dokončení (Odhadovaný)

1. října 2028

Dokončení studie (Odhadovaný)

31. prosince 2035

Termíny zápisu do studia

První předloženo

11. prosince 2025

První předloženo, které splnilo kritéria kontroly kvality

17. května 2026

První zveřejněno (Aktuální)

22. května 2026

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Aktuální)

22. května 2026

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

17. května 2026

Naposledy ověřeno

1. května 2026

Více informací

Termíny související s touto studií

Klíčová slova

Další relevantní podmínky MeSH

Další identifikační čísla studie

  • DS-00926
  • 938916 (Jiný identifikátor: Regional committees for medical and health research ethics (REK))
  • CIV-25-08-053975 (Jiný identifikátor: Eudamed CIV ID)

Plán pro data jednotlivých účastníků (IPD)

Plánujete sdílet data jednotlivých účastníků (IPD)?

NE

Popis plánu IPD

IPD will not be shared due to GDPR regulations

Informace o lécích a zařízeních, studijní dokumenty

Studuje lékový produkt regulovaný americkým FDA

Ne

Studuje produkt zařízení regulovaný americkým úřadem FDA

Ne

Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .

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