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Cost-effectiveness of a RE-AIM-Informed Autonomy-Competence Intervention to Improve Medication Adherence and Quality of Life Among Patients With Heart Failure

6. maj 2026 opdateret af: Arshed Muhammad, Universiti Putra Malaysia

Cost-effectiveness of a RE-AIM-Informed Autonomy-Competence Intervention to Improve Medication Adherence, Health-related Quality of Life, and Implementation Outcomes Among Patients With Heart Failure: a Hybrid Effectiveness-implementation Randomized Controlled Trial

Medication non-adherence leads to recurrent admissions, worsening symptoms, poor quality of life, and increased healthcare costs in an already overburdened health system. Existing adherence interventions in Pakistan are limited, mostly educational, and rarely guided by behavioural theory, implementation science, or economic evaluation.

Therefore, a culturally appropriate, RE-AIM-informed autonomy-competence intervention is needed to improve medication adherence and quality of life among heart failure patients in Pakistan, while also assessing implementation feasibility and cost-effectiveness for future scale-up.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study will employ a type 1 hybrid effectiveness-implementation randomized controlled trial to evaluate the clinical effectiveness, implementation outcomes, and cost-effectiveness of a RE-AIM-informed autonomy-competence intervention designed to improve medication adherence and quality of life among patients with heart failure. A parallel two-arm superiority trial design with a 1:1 allocation ratio will be used, in which participants will be randomly assigned to either the intervention group or the usual care group. The trial is theoretically grounded in the Self-Determination Theory, particularly the constructs of autonomy support and competence enhancement, while implementation evaluation will be guided by the RE-AIM framework (Reach, Effectiveness, Adoption, Implementation, and Maintenance).

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

870

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

  • Pakistan
      • Karachi, Pakistan, 74600
        • Civil Hospital Karachi, Dr. Ruth K. M. Pfau Civil Hospital Karachi
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Age ≥18 years

    • Diagnosed heart failure for at least 6 months
    • Prescribed ≥2 heart failure medications
    • Documented medication non-adherence
    • Able to provide informed consent
    • Access to a smartphone

Exclusion Criteria:

  • Severe psychiatric illness
  • Terminal illness
  • Severe cognitive impairment
  • End-stage renal disease
  • Participation in another intervention trial

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Sundhedstjenesteforskning
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Intervention arm
Participants in the intervention arm will receive a digital RE-AIM-informed autonomy-competence intervention over four months. The intervention will aim to improve medication adherence by enhancing patients' autonomy, motivation, self-management confidence, and treatment competence.
Adfærdsmæssigt: RE-AIM-informed autonomy-competence intervention
Participants in the intervention arm will receive a digital RE-AIM-informed autonomy-competence intervention over four months. The intervention will aim to improve medication adherence by enhancing patients' autonomy, motivation, self-management confidence, and treatment competence. It will include individualized medication planning, shared decision-making, motivational counselling, adherence goal setting, structured medication education, pill-management support, symptom-monitoring guidance, problem-solving for adherence barriers, WhatsApp reminders, monthly telephonic follow-up, and reinforcement counselling. Family involvement will be encouraged where appropriate. Intervention fidelity will be monitored using delivery checklists, supervision, and periodic review.
Ingen indgriben: Control arm
Participants in the control group will receive standard routine cardiology care, including physician consultation, medication prescription, and usual counselling, without additional digital adherence support

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Medication adherence (self-efficacy) in heart failure patients
Tidsramme: 3 months
The first primary outcome will be medication adherence (self-efficacy) in heart failure patients, measured using the Self-Efficacy for Appropriate Medication Use Scale Urdu version (SEAMS-U) and pill count adherence assessment. The Self-Efficacy for Appropriate Medication Use Scale (SEAMS) is a 13-item tool measuring patient confidence in medication adherence. It typically uses a 3-point Likert scale (1=not confident, 2=fairly confident, 3=extremely confident). Scores range from 13 to 39, with higher scores indicating higher self-efficacy.
3 months
Medication adherence (objective adherence rate)
Tidsramme: 3 months
The second primary outcome is medication adherence (objective adherence rate), will also be assessed using pill count methodology. Adherence rate will be calculated as the proportion of pills taken divided by the number of pills prescribed over the previous 30 days, expressed as a percentage. An adherence rate ≥80% will be considered adequate adherence.
3 months

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Heart Failure (HF)-specific Health-Related Quality of Life (HRQoL)
Tidsramme: 3 months
The Minnesota Living with Heart Failure Questionnaire (MLHFQ) will be used. It consists of 21 items, each scored on a 6-point Likert scale ranging from 0 to 5, where 0 indicates no impact, and 5 indicates a very severe impact of heart failure on the patient's life. The total score ranges from 0 to 105, with higher scores indicating poorer health-related quality of life. The questionnaire also includes two major subscales: the physical dimension (8 items; score range 0-40) and the emotional dimension (5 items; score range 0-25), with higher scores indicating poorer HRQoL.
3 months
Implementation outcomes (RE-AIM domains)
Tidsramme: 3 months

Measured under the RE-AIM framework:

Reach (% participants enrolled) Effectiveness (clinical + adherence outcomes) Adoption (provider uptake) Implementation (fidelity, dose, acceptability, feasibility)

Validated tools:

Acceptability of Intervention Measure (AIM) Feasibility of Intervention Measure (FIM) Intervention Appropriateness Measure (IAM). Higher scores indicate better measures
3 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Universiti Putra Malaysia

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

15. maj 2026

Primær færdiggørelse (Anslået)

24. august 2026

Studieafslutning (Anslået)

15. september 2026

Datoer for studieregistrering

Først indsendt

28. april 2026

Først indsendt, der opfyldte QC-kriterier

6. maj 2026

Først opslået (Faktiske)

12. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

12. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

6. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • BMUUU

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

The study protocol, statistical plan, and results will be disseminated through publications in peer-reviewed Journals.

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