Polypharmacy, Safety, and Medication Adherence in Patients With Chronic Heart Failure With Reduced and Mildly Reduced Ejection Fraction (FARAON)

June 5, 2026 updated by: National Medical Research Center for Therapy and Preventive Medicine

Prospective Observational Study of Polypharmacy, Safety, and Medication Adherence in Patients With HFrEF and HFmrEF: Data From the FARAON Registry

This prospective registry study (FARAON) aims to assess the prevalence, structure, safety profile, and dynamics of polypharmacy, as well as its association with medication adherence, quality of life, and clinical outcomes in multimorbid patients with HFrEF and HFmrEF, aiming to identify potentially inappropriate prescribing (over/mis/underprescribing) and determine factors linked to low adherence and adverse events.

Study Overview

Status

Active, not recruiting

Conditions

Study Type

Observational

Enrollment (Estimated)

130

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Russia
      • Moscow, Russia
        • National Medical Research Centre for Therapy and Preventive Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

The study included patients with a confirmed diagnosis of chronic heart failure with reduced or mildly reduced ejection fraction (HFrEF/HFmrEF), verified by echocardiography within 3 months before enrollment. All participants provided written informed consent. Patients with documented mental disorders or severe cognitive impairment were excluded

Description

Inclusion Criteria:

  1. Patients with a confirmed diagnosis of chronic heart failure with reduced or mildly reduced ejection fraction (HFrEF / HFmrEF).
  2. Diagnosis of HFrEF or HFmrEF confirmed by echocardiography within 3 months prior to enrollment.
  3. Signed informed consent.

Exclusion Criteria:

  1. Documented mental disorders.
  2. Severe cognitive impairment

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Primary Outcome Measure
Time Frame: 12 months

Composite clinical endpoint (MACE and emergency medical care):

Incidence of all cause death, emergency hospitalization for heart failure decompensation, acute myocardial infarction, stroke, or emergency calls for underlying CHF
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Medication adherence assessed by the National Society of Evidence-Based Pharmacotherapy Scale
Time Frame: Baseline, 3 months, 6 months, and 12 months
Medication adherence will be assessed using the National Society of Evidence-Based Pharmacotherapy Scale. Scores range from 0 to 4 points, with lower scores indicating better treatment adherence
Baseline, 3 months, 6 months, and 12 months
Quality of life assessed by the Kansas City Cardiomyopathy Questionnaire (KCCQ)
Time Frame: Baseline and 12 months
Quality of life will be assessed using the Kansas City Cardiomyopathy Questionnaire (KCCQ). Scores range from 0 to 100 points, with higher scores indicating better health status and quality of life.
Baseline and 12 months
Health literacy assessed by the Single Item Literacy Screener (SILS)
Time Frame: Baseline
Health literacy will be assessed using the Single Item Literacy Screener (SILS). Scores range from 1 to 5 points, with higher scores indicating lower health literacy and a greater need for assistance when reading medical materials
Baseline
Social desirability bias assessed by the Modified Express Module for Declarative Adherence Detection
Time Frame: Baseline
Social desirability bias will be assessed using the Modified Express Module for Declarative Adherence Detection. Scores range from 0 to 3 points, with higher scores indicating greater social desirability bias and a higher likelihood of overreporting medication adherence. Scores of 0-1 suggest reliable self-reports, whereas scores of 2-3 indicate declarative adherence and possible overreporting of medication adherence
Baseline

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Medical Research Center for Therapy and Preventive Medicine

Investigators

  • Study Director: Sergey Martsevich, M.D., Professor, National Medical Research Centre for Therapy and Preventive Medicine, Moscow, Russia

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 20, 2026

Primary Completion (Estimated)

January 1, 2027

Study Completion (Estimated)

January 1, 2027

Study Registration Dates

First Submitted

May 18, 2026

First Submitted That Met QC Criteria

June 5, 2026

First Posted (Actual)

June 11, 2026

Study Record Updates

Last Update Posted (Actual)

June 11, 2026

Last Update Submitted That Met QC Criteria

June 5, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 09-08/25

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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