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PRODIAP - Patient-reported Outcomes in General Practice Among People With Type 2 Diabetes (PRODIAP)

14 augustus 2026 bijgewerkt door: University of Aarhus

PRODIAP - Patient-Reported Outcomes in General Practice Among People With Type 2 Diabetes

In Denmark, around 327,000 diabetes consultations take place annually in general practice, but these often fail to fully include patients' experiences, values, and needs. Research, mainly among people with type 1 diabetes, suggests that the use of Patient Reported Outcomes (PROs) can enhance patient engagement and consultation quality. Yet, little is known about the effect of using PROs in type 2 diabetes (T2D) care in general practice. This project, PRODIAP (Patient-reported outcomes in general practice among people with type 2 diabetes) aims to investigate whether the use of a diabetes-specific PRO questionnaire can improve care quality and support more individualised consultations for people with T2D. PRODIAP is tailored to general practice, adapted from hospital PRO tools, and pilot testing showed promising feasibility and acceptability.

This project applies a mixed-methods design with two sub-studies:

  1. A pragmatic, cluster-randomised controlled trial in 30 general practices (N≈2000 patients) evaluating PRODIAP's effect on perceived care quality with patient perceived quality of care (PACIC) as primary outcome.
  2. A qualitative study using observations and interviews to explore how PRODIAP shapes the consultation from both patient and professional perspectives.

The project group has established a national collaboration with general practitioners, researchers and stakeholders from all five Danish region, supporting the feasibility of this study. Findings are expected to improve diabetes care in general practice and inform management of other chronic conditions. Findings are expected to improve diabetes care in general practice and provide transferable knowledge for other chronic conditions.

Studie Overzicht

Toestand

Werving

Conditie

Interventie / Behandeling

Studietype

Ingrijpend

Inschrijving (Geschat)

2000

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Contact Back-up

  • Naam: Katrine B Bonnén, MSc in Public Health
  • E-mail: KATBON@rm.dk

Studie Locaties

      • Aarhus, Denemarken, 8200
        • Werving
        • steno diabetes center Aarhus
        • Contact:

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen
  • Oudere volwassene

Accepteert gezonde vrijwilligers

Nee

Beschrijving

Inclusion Criteria:

  • type 2 diabetes
  • able to understand and answer a Danish questionnaire

Exclusion Criteria:

  • none

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Ondersteunende zorg
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Parallelle opdracht
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: Type 2 diabetes patients_intervention
Patients with type 2 diabetes in general practices randomised to the intervention group will answer a diabetes-specific PRO questionnaire (PRODIAP) in the annual consultations
Participants are people with type 2 diabetes, receiving treatment in GP. 30 GPs will be recruited from the Regions of Central Jutland, Zealand, and Southern Denmark, and from here, about 2,000 people (+18) with T2D are recruited. The 30 participating GPs will be randomly assigned to either the intervention (15 GPs) or control (15 GPs) group. The annual consultations in the intervention group will be based on responses to a diabetes-specific PRO questionnaire (PRODIAP) from the persons with T2D, while the control group will follow the usual process without PRODIAP.
Geen tussenkomst: Type 2 diabetes patients_control
Patients in general practices randomised to the control group

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Patient Assessment Chronic Illness Care (PACIC)
Tijdsspanne: "Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2
Patient Assessment of Chronic Illness Care (PACIC) assesses patient-perceived quality of care among individuals with T2D. PACIC consists of 20 items divided into five subscales with the following themes: patient activation, decision support, goal setting, problem-solving, and coordination/follow-up. PACIC is scored on a 5-point scale ranging from 1 (never) to 5 (always). The total PACIC score is calculated as the mean of all items and as the mean of the five subscales
"Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Hemoglobin A1C (HbA1c)
Tijdsspanne: "Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2
Average level of blood glucose over the past two to three months. Collected from laboratory data base
"Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2

Andere uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Health related quality of live (EQ-5D-5L)
Tijdsspanne: "Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2
Health related quality of live is measured using the EQ-5D-5L which in turn is used to estimate quality-adjusted life year (QALY). EQ-5D-5L comprises five dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 5 levels: no problems, slight problems, moderate problems, severe problems and extreme problems. The patient is asked to indicate his/her health state by ticking the box next to the most appropriate statement in each of the five dimensions. This decision results in a 1-digit number that expresses the level selected for that dimension. The digits for the five dimensions can be combined into a 5-digit number that describes the patient's health state.
"Baseline" - up to 2 weeks before the patients attend their yearly check-up at the general practitioner at year 1 "Endpoint" - up to 2 weeks after the patients attended their yearly check-up at the general practitioner at year 2
Resource use (costs)
Tijdsspanne: "through study completion, an average of 1½ year"
Resource use associated with the intervention and derived costs in the health care sector. Measured in DKK.
"through study completion, an average of 1½ year"

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Medewerkers

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

1 maart 2026

Primaire voltooiing (Geschat)

1 februari 2028

Studie voltooiing (Geschat)

1 februari 2028

Studieregistratiedata

Eerst ingediend

4 december 2025

Eerst ingediend dat voldeed aan de QC-criteria

14 augustus 2026

Eerst geplaatst (Werkelijk)

17 augustus 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

17 augustus 2026

Laatste update ingediend die voldeed aan QC-criteria

14 augustus 2026

Laatst geverifieerd

1 december 2025

Meer informatie

Termen gerelateerd aan deze studie

Andere studie-ID-nummers

  • PRODIAP

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

ONBESLIST

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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