Development and Evaluation of a Patient-Participatory Medication Review Support System

Development and Evaluation of a Nudge-Based Patient-Participatory Polypharmacy Intervention: Construction and Assessment of the MPEG Plus Clinical Decision Support System - MPEG Plus Phase 3

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000061685

Enrollment

Registered

2026-05-25

Start date

2026-06-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Polypharmacy

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: [Patients] Hospitalized patients aged 65 years or older at Kawasaki Municipal Tama Hospital Patients taking five or more regular oral medications continuously for at least 4 weeks Patients who provide written informed consent [Healthcare professionals] Physicians, pharmacists, or nurses working at Kawasaki Municipal Tama Hospital Healthcare professionals routinely involved in medication management for older adults Individuals who provide written informed consent

Exclusion criteria

Exclusion criteria: [Patients] Patients with severe cognitive impairment, severe psychiatric illness, acute illness, or other conditions causing serious communication difficulties Patients judged by the principal investigator to have excessive burden or disadvantage associated with study participation Patients otherwise judged inappropriate for participation by the principal investigator [Healthcare professionals] Individuals considered unable to adequately participate in study evaluation procedures Individuals otherwise judged inappropriate for participation by the principal investigator

Design outcomes

Primary

Measure	Time frame
Japanese version of the System Usability Scale (SUS) score assessed immediately after use of the MPEG Plus prototype system	—

Secondary

Measure	Time frame
Free-text feedback regarding usability, understandability, and utility assessed immediately after use of the MPEG Plus prototype system. Five-point self-assessment of reference frequency and perceived usefulness of OPT and D-Aid information assessed immediately after use of the MPEG Plus prototype system. Changes in medication review decisions and details of modifications assessed during the field evaluation period. Reference frequency of OPT, D-Aid information, and nudge messages assessed during the field evaluation period. Time required for medication review decision-making assessed during the field evaluation period. Qualitative evaluation of feasibility, acceptability, and operational challenges based on focus group interviews conducted after completion of the field evaluation period.	—

Measure

Time frame

Free-text feedback regarding usability, understandability, and utility assessed immediately after use of the MPEG Plus prototype system. Five-point self-assessment of reference frequency and perceived usefulness of OPT and D-Aid information assessed immediately after use of the MPEG Plus prototype system. Changes in medication review decisions and details of modifications assessed during the field evaluation period. Reference frequency of OPT, D-Aid information, and nudge messages assessed during the field evaluation period. Time required for medication review decision-making assessed during the field evaluation period. Qualitative evaluation of feasibility, acceptability, and operational challenges based on focus group interviews conducted after completion of the field evaluation period.

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Countries

Japan

Contacts

Public ContactAyano Takagai

St. Marianna University School of Medicine Department of General Internal Medicine

ayama123.work@gmail.com0570-028-111

Outcome results