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

14. august 2026 oppdatert av: 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.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

2000

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiekontakt

Studer Kontakt Backup

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

Studiesteder

      • Aarhus, Danmark, 8200
        • Rekruttering
        • steno diabetes center Aarhus
        • Ta kontakt med:

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

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

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

Exclusion Criteria:

  • none

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: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: 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.
Ingen inngripen: Type 2 diabetes patients_control
Patients in general practices randomised to the control group

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Patient Assessment Chronic Illness Care (PACIC)
Tidsramme: "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

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Hemoglobin A1C (HbA1c)
Tidsramme: "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

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Health related quality of live (EQ-5D-5L)
Tidsramme: "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)
Tidsramme: "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"

Samarbeidspartnere og etterforskere

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Sponsor

Samarbeidspartnere

Studierekorddatoer

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Studer hoveddatoer

Studiestart (Faktiske)

1. mars 2026

Primær fullføring (Antatt)

1. februar 2028

Studiet fullført (Antatt)

1. februar 2028

Datoer for studieregistrering

Først innsendt

4. desember 2025

Først innsendt som oppfylte QC-kriteriene

14. august 2026

Først lagt ut (Faktiske)

17. august 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

17. august 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

14. august 2026

Sist bekreftet

1. desember 2025

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • PRODIAP

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