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NCT Number: NCT07747025

Nurse-Led Motivational Interviewing for Blood Pressure Control

Hypertension is one of the most important risk factors for cardiovascular morbidity and mortality. Effective hypertension management requires medication adherence, lifestyle modification, regular blood pressure monitoring, and self-management behaviors. Motivational interviewing is a counseling approach that may support behavior change and improve hypertension management.

This study aims to evaluate the effects of nurse-led individual motivational interviewing and family-involved motivational interviewing on blood pressure control in patients with hypertension. The study will be conducted as a single-center, three-arm, parallel-group, randomized controlled trial. A total of 180 patients with hypertension will be randomly assigned to one of three groups: usual care, individual motivational interviewing, or family-involved motivational interviewing.

Participants in the intervention groups will receive a 6-week nurse-led motivational interviewing program. In the family-involved motivational interviewing group, a family member who supports hypertension management will also participate in the sessions. Data will be collected at baseline, 6 weeks, and 18 weeks. The primary outcome is systolic blood pressure. Secondary outcomes include diastolic blood pressure, hypertension knowledge level, treatment adherence, and hypertension self-efficacy.

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Key information

Conditions

Hypertension Cardiovascular Diseases Vascular Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Simav Doc. Dr. Ismail Karakuyu State Hospital

Simav, Turkey (Türkiye)

About this study

The study intervention is a non-invasive, education- and counseling-based behavioral nursing intervention. Participants in the control group will continue to receive routine hypertension care and will be given a standard hypertension information brochure. Participants in the individual motivational interviewing group will receive nurse-led individual motivational interviewing sessions. Participants in the family-involved motivational interviewing group will receive the same intervention, with the participation of a family member who supports the patient's hypertension management.

The intervention content includes hypertension awareness, individual risk factors, readiness for change, hypertension knowledge, misconceptions and complications, medication adherence, treatment barriers, salt reduction, nutrition behaviors, home blood pressure monitoring, physical activity, weight control, stress management, self-efficacy, problem solving, motivation maintenance, and individualized goal evaluation. Intervention fidelity will be monitored using a session checklist.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Aged 18 years or older
  • Diagnosed with hypertension for at least 6 months
  • Using antihypertensive medication
  • Able to read and understand Turkish
  • Conscious and able to communicate
  • Providing written informed consent
  • Having at least one family member who can support hypertension management and participate in sessions when needed

Exclusion criteria

  • Advanced cognitive impairment
  • Active psychiatric crisis
  • History of a serious cardiovascular event within the last 3 months
  • Terminal illness
  • Serious physical condition that may prevent regular participation in intervention sessions
  • Concurrent participation in another structured education program

Treatment and study plan

Individual Motivational Interviewing

Behavioral

The intervention is a structured 6-week nurse-led individual motivational interviewing program. Sessions will focus on hypertension awareness, individual risk factors, readiness for change, hypertension knowledge, misconceptions and complications, medication adherence, treatment barriers, salt reduction, nutrition behaviors, home blood pressure monitoring, physical activity, weight control, stress management, self-efficacy, problem solving, motivation maintenance, and individualized goal evaluation.

Family-Involved Motivational Interviewing

Behavioral

The intervention is a structured 6-week nurse-led motivational interviewing program delivered with the participation of a family member who supports the patient's hypertension management. The intervention content is the same as the individual motivational interviewing program. The family member will be included to support medication adherence, salt reduction, nutrition behaviors, home blood pressure monitoring, and achievement of weekly goals.

Usual Hypertension Care With Information Brochure

Behavioral

Participants will continue to receive routine hypertension care and will be given a standard hypertension information brochure. No structured motivational interviewing session will be provided.

Primary outcomes

  1. Systolic Blood Pressure

    Time frame: Baseline, 6 weeks, and 18 weeks

    Systolic blood pressure will be measured in mmHg using a standard blood pressure measurement procedure. Measurements will be taken after at least 5 minutes of rest using an appropriate cuff. At each assessment, at least two measurements will be taken from the same arm, and the average value will be used in the analysis. Lower systolic blood pressure values indicate better blood pressure control.

Secondary outcomes

  1. Diastolic Blood Pressure

    Time frame: Baseline, 6 weeks, and 18 weeks

    Diastolic blood pressure will be measured in mmHg using a standard blood pressure measurement procedure. Measurements will be taken after at least 5 minutes of rest using an appropriate cuff. At each assessment, at least two measurements will be taken from the same arm, and the average value will be used in the analysis. Lower diastolic blood pressure values indicate better blood pressure control.

  2. Hypertension Knowledge Level Assessed by the Hypertension Knowledge-Level Scale

    Time frame: Baseline, 6 weeks, and 18 weeks

    Hypertension knowledge level will be assessed using the Hypertension Knowledge-Level Scale. The scale includes 22 items. Total scores range from 0 to 22. Higher scores indicate a higher level of hypertension-related knowledge.

  3. Treatment Adherence Assessed by the Hill-Bone Hypertension Treatment Adherence Scale

    Time frame: Baseline, 6 weeks, and 18 weeks

    Treatment adherence will be assessed using the Hill-Bone Hypertension Treatment Adherence Scale. The scale includes 12 items. Total scores range from 12 to 48. Higher scores indicate poorer adherence to hypertension treatment, while lower scores indicate better treatment adherence.

  4. Hypertension Self-Efficacy Assessed by the Hypertension Self-Efficacy Scale

    Time frame: Baseline, 6 weeks, and 18 weeks

    Hypertension self-efficacy will be assessed using the Hypertension Self-Efficacy Scale. The scale includes 20 items. Total scores range from 20 to 80. Higher scores indicate higher hypertension self-efficacy.

Study contacts

Contact information is provided by the study sponsor or research team.

Serkan Budak, PhD / RN

CONTACT

[email protected]

+905385430616

Sponsors and collaborators

Lead sponsor

Kutahya Health Sciences University

Other

Registry information

Official study title

The Effect of Nurse-Led Individual and Family-Involved Motivational Interviewing on Blood Pressure Control in Patients With Hypertension: A Three-Arm Randomized Controlled Trial

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Aug 5, 2026
Registry last updated
Aug 5, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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